138d www.vishay.com vishay revision: 21-mar-13 1 document number: 40025 for technical ques tions, contact: tantalum@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 wet tantalum capacitors silver case t antalex ? capacitors hermetically-sealed features ? terminations: axial, st andard tin/lead (snpb), 100 % tin (rohs-compliant) available ? model 138d is the commercial equivalents of tansitor styles wt, uwt, mallory-nacc styles tlx, txx and military styles cl66, cl67, clr65, and clr69, designed to meet the performance requirements of military specification mil-prf-39006/09/21. capacitors in accordance with military specifications should be ordered by thei r military part numbers. ? mounting: through-hole ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 note * lead (pb)-containing terminations are not rohs-compliant. exemptions may apply. performance characteristics operating temperature: - 55 c to + 85 c (to + 125 c with voltage derating) capacitance tolerance: at 120 hz, + 25 c. 20 % standard. 10 %, 5 % available as special. dc leakage current (dcl max.): at + 25 c, + 85 c and + 125 c: leakage current shall not exceed the values listed in the standard ratings tables. life test: capacitors are capable of withstanding a 2000 h life test at a temperature of + 85 c or + 125 c at the applicable rated dc working voltage. following the life test: 1. dcl shall not exceed 125 % of the original requirement. 2. the esr shall not exceed 200 % of the initial requirement. 3. change in capacitance value shall not exceed the percentages below. a) 6 v dc units: + 10 % to - 25 % of initial measurement. b) 8 v dc and 10 v dc units: + 10 % to - 20 % of initial measurement. c) 15 v dc units: + 10 % to - 15 % of initial measurement. d) 20 v dc and above: 10 % of initial measurement. note ? packaging: the use of formed plastic trays for packaging these axial lead components is standard. tape and reel is not availab le due to the unit weight. ordering information 138d 306 x0 006 c 2 e3 model capacitance capacitance tolerance dc voltage rating at + 85 c case code termination rohs compliant this is expressed in picofarads. the first two di gits are the significant figures. the third is the number of zeros to follow x0 = 20 % x9 = 10 % x5 = 5 % special order this is expressed in volts. to complete the three-digit block, zeros precede the voltage rating. a decimal point is indicated by an r (6r3 = 6.3 v) see ratings and case codes table 0 = no outer sleeve 2 = outer plastic film insulation e3 = 100 % tin termination (rohs compliant) blank = snpb termination (standard design)
138d www.vishay.com vishay revision: 21-mar-13 2 document number: 40025 for technical ques tions, contact: tantalum@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 dimensions in inches [millimeters] case code bare tube with outer plastic - film insulation lead length max. weight (oz./g) d l d (max.) l (max.) c 0.188 0.016 [4.78 0.41] 0.453 + 0.031/- 0.016 [11.51 + 0.79/- 0.41] 0.219 [5.56] 0.608 [15.45] 1.500 0.250 [38.10 6.35] 0.07 [2.0] f 0.281 0.016 [7.14 0.41] 0.641 + 0.031/- 0.016 [16.28 + 0.79/- 0.41] 0.312 [7.92] 0.796 [20.22] 2.250 0.250 [57.15 6.35] 0.18 [5.1] t 0.375 0.016 [9.53 0.41] 0.766 + 0.031/- 0.016 [19.46 + 0.79/- 0.41] 0.406 [10.31] 0.921 [23.40] 2.250 0.250 [57.15 6.35] 0.36 [10.2] k 0.375 0.016 [9.53 0.41] 1.062 + 0.031/- 0.023 [26.97 + 0.79/- 0.58] 0.406 [10.31] 1.127 [30.91] 2.250 0.250 [57.15 6.35] 0.49 [13.9] standard ratings capacitance (f) case code part number (1) max. esr at + 25 c 120 hz ( ? ) max. imp. at - 55 c 120 hz ( ? ) max. dcl (a) at max. capacitance change (%) at max. rms ripple current 120 hz (ma) + 25 c + 85 c + 125 c - 55 c + 85 c + 125 c 6 v dc at + 85 c; 4 v dc at + 125 c 30 c 138d306x0006c2 4 100 1 2 - 40 + 10.5 + 12 140 68 c 138d686x0006c2 4 60 1 2 - 40 + 14 + 16 160 140 f 138d147x0006f2 2 40 1 3 - 40 + 14 + 16 330 270 f 138d277x0006f2 4 25 1 6.5 - 44 + 17.5 + 20 330 330 t 138d337x0006t2 2 20 2 7.9 - 44 + 14 + 16 410 560 t 138d567x0006t2 3 25 2 13 - 64 + 17.5 + 20 410 1200 k 138d128x0006k2 1.6 20 3 14 - 80 + 25 + 25 530 8 v dc at + 85 c; 5 v dc at + 125 c 25 c 138d256x0008c2 4 100 1 2 - 40 + 10.5 + 12 140 56 c 138d566x0008c2 4 59 1 2 - 40 + 14 + 16 160 220 f 138d227x0008f2 4 30 1 7 - 44 + 17.5 + 20 270 430 t 138d437x0008t2 3 25 2 14 - 64 + 17.5 + 20 410 850 k 138d857x0008k2 1 22 4 16 - 80 + 25 + 25 670 10 v dc at + 85 c; 7 v dc at + 125 c 20 c 138d206x0010c2 4 175 1 2 - 32 + 10.5 + 12 140 47 c 138d476x0010c2 5 100 1 2 - 36 + 14 + 16 160 100 f 138d107x0010f2 2 60 1 4 - 36 + 14 + 16 270 180 f 138d187x0010f2 4 40 1 7 - 36 + 14 + 16 270 250 t 138d257x0010t2 2 30 2 10 - 40 + 14 + 16 410 390 t 138d397x0010t2 3 25 2 16 - 64 + 17.5 + 20 410 750 k 138d757x0010k2 1 23 4 16 - 80 + 25 + 25 670 15 v dc at + 85 c; 10 v dc at + 125 c 15 c 138d156x0015c2 5 155 1 2 - 24 + 10.5 + 12 130 33 c 138d336x0015c2 5 90 1 2 - 28 + 14 + 16 160 70 f 138d706x0015f2 4 75 1 4 - 28 + 14 + 16 270 120 f 138d127x0015f2 4 50 1 7 - 28 + 17.5 + 20 270 170 t 138d177x0015t2 2 35 2 10 - 32 + 14 + 16 410 270 t 138d277x0015t2 3 30 2 16 - 56 + 17.5 + 20 410 540 k 138d547x0015k2 1.0 23 6 24 - 80 + 25 + 25 610 20 v dc at + 85 c; 13 v dc at + 125 c 27 c 138d276x0020c2 5 100 1 2 - 20 + 11 + 14 160 220 t 138d227x0020t2 4 30 2 16 - 48 + 13 + 15 410 note (1) part numbers listed are for units with outer plastic-film insulation and a capacitance tolerance of 20 %. for bare case units , substitute 0 for 2 at the end of the part number. for capacitors with 10 % to lerance, change the digit fo llowing the letter x to 9. for rohs compliant add e3. l weld 0.250 [6.35] max. 0.0253 0.002 [0.64 0.05] dia. (no. 22 awg) tinned solderable leads tantalum d
138d www.vishay.com vishay revision: 21-mar-13 3 document number: 40025 for technical ques tions, contact: tantalum@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 25 v dc at + 85 c; 15 v dc at + 125 c 10 c 138d106x0025c2 6 220 1 2 - 16 + 8 + 9 130 22 c 138d226x0025c2 5 140 1 2 - 20 + 10.5 + 12 160 27 c 138d276x0025c2 4.3 110 2 9 - 35 + 12 + 15 160 50 f 138d506x0025f2 4 70 1 5 - 28 + 13 + 15 270 100 f 138d107x0025f2 4 50 1 10 - 28 + 13 + 15 270 180 t 138d187x0025t2 4 32 2 18 - 48 + 13 + 15 340 350 k 138d357x0025k2 1.3 24 7 28 - 70 + 25 + 25 580 30 v dc at + 85 c; 20 v dc at + 125 c 8.0 c 138d805x0030c2 7.5 275 1 2 - 16 + 8 + 12 130 15 c 138d156x0030c2 8 175 1 2 - 20 + 10.5 + 12 160 40 f 138d406x0030f2 4 65 1 5 - 24 + 10.5 + 12 270 100 t 138d107x0030t2 6 40 2 12 - 28 + 10.5 + 12 410 150 t 138d157x0030t2 2.5 35 2 16 - 48 + 13 + 15 340 300 k 138d307x0030k2 1.6 25 8 32 - 60 + 25 + 25 550 35 v dc at + 85 c; 22 v dc at + 125 c 68 f 138d686x0035f2 6 60 1 8 - 24 + 12 + 15 270 120 t 138d127x0035t2 4 38 2 16 - 30 + 13 + 15 410 270 k 138d277x0035k2 2.2 23 8 32 - 45 + 20 + 25 500 50 v dc c at + 85 c; 30 v dc at + 125 c 5.0 c 138d505x0050c2 9 400 1 2 - 16 + 5 + 6 130 10 c 138d106x0050c2 8 250 1 2 - 24 + 8 + 9 160 25 f 138d256x0050f2 6 95 1 5 - 20 + 10.5 + 12 270 47 f 138d476x0050f2 6 70 1 9 - 28 + 10.5 + 15 270 60 t 138d606x0050t2 3 45 2 12 - 16 + 10.5 + 12 410 82 t 138d826x0050t2 4 45 2 16 - 32 + 13 + 15 410 160 k 138d167x0050k2 2.2 27 8 32 - 50 + 25 + 25 460 60 v dc at + 85 c; 40 v dc at + 125 c 4.0 c 138d405x0060c2 10 550 1 2 - 16 + 5 + 6 110 8.2 c 138d825x0060c2 8 275 1 2 - 24 + 8 + 9 140 20 f 138d206x0060f2 5 105 1 5 - 16 + 10.5 + 12 270 39 f 138d396x0060f2 7 90 1 9 - 28 + 10.5 + 12 330 50 t 138d506x0060t2 4 50 2 12 - 16 + 10.5 + 12 410 68 t 138d686x0060t2 6 50 2 16 - 32 + 10.5 + 12 410 140 k 138d147x0060k2 2.4 28 8 32 - 40 + 20 + 20 430 75 v dc at + 85 c; 50 v dc at + 125 c 3.5 c 138d355x0075c2 10 650 1 2 - 16 + 5 + 6 110 6.8 c 138d685x0075c2 8 300 1 2 - 20 + 8 + 9 140 15 f 138d156x0075f2 6.5 150 1 5 - 16 + 8 + 9 270 33 f 138d336x0075f2 7 90 1 10 - 24 + 10.5 + 15 270 40 t 138d406x0075t2 5 60 2 12 - 16 + 10.5 + 12 410 56 t 138d566x0075t2 6 60 2 17 - 28 + 10.5 + 15 410 110 k 138d117x0075k2 3.1 29 9 36 - 35 + 20 + 20 110 100 v dc at + 85 c; 65 v dc at + 125 c 2.5 c 138d255x0100c2 26.5 950 1 2 - 16 + 7 + 8 100 4.7 c 138d475x0100c2 10 500 1 2 - 16 + 7 + 8 130 11 f 138d116x0100f2 6 200 1 4 - 16 + 7 + 8 230 22 f 138d226x0100f2 7 100 1 9 - 16 + 7 + 8 230 30 t 138d306x0100t2 4 80 2 12 - 16 + 7 + 8 340 43 t 138d436x0100t2 6 70 2 17 - 20 + 7 + 8 340 86 k 138d866x0100k2 3.1 30 9 36 - 25 + 15 + 15 400 125 v dc at + 85 c; 85 v dc at + 125 c 1.7 c 138d175x0125c2 54.6 1250 1 2 - 16 + 7 + 8 100 3.6 c 138d365x0125c2 15 600 1 2 - 16 + 7 + 8 110 9.0 f 138d905x0125f2 15 240 1 5 - 16 + 7 + 8 210 14 f 138d146x0125f2 12 167 1 7 - 16 + 7 + 8 210 18 t 138d186x0125t2 11 129 2 9 - 16 + 7 + 8 340 25 t 138d256x0125t2 10 93 2 13 - 16 + 7 + 8 340 56 k 138d566x0125k2 4.1 32 10 40 - 25 + 15 + 15 400 standard ratings capacitance (f) case code part number (1) max. esr at + 25 c 120 hz ( ? ) max. imp. at - 55 c 120 hz ( ? ) max. dcl (a) at max. capacitance change (%) at max. rms ripple current 120 hz (ma) + 25 c + 85 c + 125 c - 55 c + 85 c + 125 c note (1) part numbers listed are for units with outer plastic-film insulation and a capacitance tolerance of 20 %. for bare case units , substitute 0 for 2 at the end of the part number. for capacitors with 10 % to lerance, change the digit fo llowing the letter x to 9. for rohs compliant add e3.
138d www.vishay.com vishay revision: 21-mar-13 4 document number: 40025 for technical ques tions, contact: tantalum@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 extended ratings capacitance (f) case code part number (1) max. esr at + 25 c 120 hz ( ? ) max. imp. at - 55 c 120 hz ( ? ) max. dcl (a) at max. capacitance change (%) at max. rms ripple current 120 hz (ma) + 25 c + 85 c + 125 c - 55 c + 85 c + 125 c 6 v dc at + 85 c; 4 v dc at + 125 c 560 f 138d567x0006f2 2.5 20 3 14 - 80 + 16 + 20 300 820 f 138d827x0006f2 2.5 18 3 14 - 88 + 16 + 20 300 1500 t 138d158x0006t2 1.5 18 5 20 - 90 + 20 + 25 480 2200 k 138d228x0006k2 1 13 6 24 - 90 + 25 + 30 670 8 v dc at + 85 c; 5 v dc at + 125 c 180 c 138d187x0008c2 3 45 2 9 - 60 + 13 + 16 180 470 f 138d477x0008f2 2.5 25 3 14 - 75 + 16 + 20 300 680 f 138d687x0008f2 2.5 22 3 14 - 83 + 16 + 20 300 1800 k 138d188x0008k2 1 14 7 25 - 90 + 20 + 30 670 10 v dc at + 85 c; 7 v dc at + 125 c 100 c 138d107x0010c2 3 60 2 9 - 50 + 13 + 16 160 150 c 138d157x0010c2 3 54 2 9 - 55 + 13 + 16 180 390 f 138d397x0010f2 2.5 30 3 16 - 70 + 16 + 20 300 560 f 138d567x0010f2 2.5 27 3 16 - 77 + 16 + 20 300 1200 t 138d128x0010t2 1.5 18 5 20 - 88 + 20 + 25 480 1500 k 138d158x0010k2 1 15 7 25 - 88 + 25 + 30 670 15 v dc at + 85 c; 10 v dc at + 125 c 68 c 138d686x0015c2 4 80 2 9 - 40 + 13 + 16 140 100 c 138d107x0015c2 4 72 2 9 - 44 + 13 + 16 160 270 f 138d277x0015f2 2.5 35 3 16 - 60 + 16 + 20 300 390 f 138d397x0015f2 2.5 31 3 16 - 16 + 16 + 20 300 540 t 138d547x0015t2 1.8 25 6 24 - 70 + 20 + 25 440 820 t 138d827x0015t2 1.8 22 6 24 - 77 + 20 + 25 440 1000 k 138d108x0015k2 1.2 17 8 32 - 77 + 25 + 30 610 20 v dc at + 85 c; 13 v dc at + 125 c 56 c 138d566x0020c2 4.3 90 2 9 - 38 + 13 + 16 140 82 c 138d826x0020c2 4.3 81 2 9 - 43 + 13 + 16 160 220 f 138d227x0020f2 2.7 35 3 16 - 60 + 16 + 20 300 330 f 138d337x0020f2 2.7 31 3 16 - 66 + 16 + 20 300 25 v dc at + 85 c; 15 v dc at + 125 c 47 c 138d476x0025c2 4.3 100 2 9 - 35 + 12 + 15 140 68 c 138d686x0025c2 4.3 90 2 9 - 40 + 12 + 15 160 180 f 138d187x0025f2 2.7 37 3 16 - 55 + 13 + 16 300 270 f 138d277x0025f2 2.7 33 3 16 - 62 + 13 + 16 300 350 t 138d357x0025t2 1.8 27 7 28 - 60 + 20 + 25 440 30 v dc at + 85 c; 20 v dc at + 125 c 39 c 138d396x0030c2 5.2 110 2 9 - 32 + 12 + 15 140 56 c 138d566x0030c2 5.2 100 2 9 - 38 + 12 + 15 140 150 f 138d157x0030f2 2.5 40 3 16 - 50 + 13 + 16 300 220 f 138d227x0030f2 2.5 36 3 16 - 60 + 13 + 16 300 330 t 138d337x0030t2 1.8 28 8 32 - 50 + 20 + 25 440 470 t 138d477x0030t2 1.8 25 8 32 - 65 + 20 + 25 440 560 k 138d567x0030k2 1.3 20 9 36 - 65 + 25 + 30 590 note ? part numbers listed are for units with oute r plastic-film insulation and a capacitance tolerance of 20 %. for bare case unit s, substitute 0 for 2 at the end of the part number. for capacitors with 10 % tolera nce, change the digit follow ing the letter x to 9. for rohs compliant add e3.
138d www.vishay.com vishay revision: 21-mar-13 5 document number: 40025 for technical ques tions, contact: tantalum@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 35 v dc at + 85 c; 22 v dc at + 125 c 33 c 138d336x0035c2 5.2 130 2 9 - 30 + 10 + 12 140 47 c 138d476x0035c2 5.2 115 2 9 - 35 + 10 + 12 140 120 f 138d127x0035f2 2.5 45 3 16 - 45 + 13 + 16 300 220 t 138d227x0035t2 1.8 30 8 32 - 45 + 20 + 25 440 390 t 138d397x0035t2 1.8 27 8 32 - 58 + 20 + 25 440 470 k 138d477x0035k2 1.3 21 9 36 - 58 + 25 + 30 590 50 v dc at + 85 c; 30 v dc at + 125 c 22 c 138d226x0050c2 5 150 2 9 - 24 + 10 + 12 140 33 c 138d336x0050c2 5 135 2 9 - 29 + 10 + 12 140 82 f 138d826x0050f2 2.5 55 4 24 - 35 + 10 + 15 300 120 f 138d127x0050f2 2.5 49 4 24 - 42 + 12 + 15 300 160 t 138d167x0050t2 1.8 32 6 32 - 35 + 20 + 25 420 270 t 138d277x0050t2 1.8 29 8 32 - 46 + 20 + 25 440 330 k 138d337x0050k2 1.5 22 9 36 - 46 + 25 + 30 550 60 v dc at + 85 c; 40 v dc at + 125 c 18 c 138d186x0060c2 5 160 3 12 - 20 + 10 + 12 140 27 c 138d276x0060c2 5 144 3 12 - 24 + 10 + 12 140 68 f 138d686x0060f2 3 60 4 20 - 30 + 12 + 15 270 100 f 138d107x0060f2 2.5 54 4 20 - 36 + 12 + 15 300 140 t 138d147x0060t2 2 32 8 32 - 30 + 16 + 20 420 220 t 138d227x0060t2 1.8 29 8 32 - 40 + 16 + 20 440 270 k 138d277x0060k2 1.5 23 9 36 - 45 + 20 + 25 550 75 v dc at + 85 c; 50 v dc at + 125 c 15 c 138d156x0075c2 5 175 3 12 - 16 + 10 + 12 140 22 c 138d226x0075c2 5 157 3 12 - 19 + 10 + 12 140 56 f 138d566x0075f2 3 70 4 24 - 25 + 12 + 15 270 82 f 138d826x0075f2 2.5 63 4 24 - 30 + 12 + 15 300 110 t 138d117x0075t2 2 33 9 36 - 25 + 16 + 20 420 180 t 138d187x0075t2 1.8 30 9 36 - 35 + 16 + 20 440 220 k 138d227x0075k2 2.2 24 10 40 - 40 + 20 + 25 450 100 v dc at + 85 c; 65 v dc at + 125 c 8.2 c 138d825x0100c2 6 250 3 12 - 12 + 10 + 12 130 10 c 138d106x0100c2 6 200 3 12 - 17 + 10 + 12 130 33 f 138d336x0100f2 3.5 85 5 24 - 18 + 12 + 15 250 39 f 138d396x0100f2 3.5 80 5 24 - 20 + 12 + 15 250 68 t 138d686x0100t2 2.2 40 10 40 - 30 + 14 + 16 400 120 k 138d127x0100k2 2.8 30 12 48 - 35 + 15 + 17 440 125 v dc at + 85 c; 85 v dc at + 125 c 6.8 c 138d685x0125c2 11.7 300 3 12 - 14 + 10 + 12 130 27 f 138d276x0125f2 3.5 90 5 24 - 18 + 12 + 15 250 39 t 138d396x0125t2 2.2 60 10 40 - 16 + 14 + 16 400 47 t 138d476x0125t2 2.2 50 10 40 - 26 + 14 + 16 400 82 k 138d826x0125k2 2.8 32 12 48 - 30 + 15 + 17 440 extended ratings capacitance (f) case code part number (1) max. esr at + 25 c 120 hz ( ? ) max. imp. at - 55 c 120 hz ( ? ) max. dcl (a) at max. capacitance change (%) at max. rms ripple current 120 hz (ma) + 25 c + 85 c + 125 c - 55 c + 85 c + 125 c note ? part numbers listed are for units with oute r plastic-film insulation and a capacitance tolerance of 20 %. for bare case unit s, substitute 0 for 2 at the end of the part number. for capacitors with 10 % tolera nce, change the digit follow ing the letter x to 9. for rohs compliant add e3.
138d www.vishay.com vishay revision: 21-mar-13 6 document number: 40025 for technical ques tions, contact: tantalum@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 performance characteristics 1. operating temperature: capacitors are designed to operate over the temperature range of - 55 c to + 125 c. 2. dc working voltage: the dc working voltage is the maximum operating voltage for continuous duty at the rated temperature. 3. surge voltage: the surge dc rating is the maximum voltage to which the capacitors should be subjected under any conditions. this includes transients and peak ripple at the highest line voltage. the surge voltage of capacitors rated below 150 v is 115 % of the rated dc working voltage. the surge voltage of capacitors rated at 150 v dc is 165 v. 3.1 surge voltage test: capacitors shal l withstand the surge voltage test applied through a 1000 ? 10 % resistor in series with the capacitor and voltage source at the rate of one-half min on, fo ur and one-half min. off, for 1000 successive test cycles at + 85 c or + 125 c. 4. capacitance tolerance: the capacitance of all capacitors shall be within the specified tolerance limits of the nominal rating. 4.1 capacitance measurements shall be made by the bridge method at or referred to, a frequency of 120 hz at a temperature of + 25 c. a polarizing voltage shall be used of such magnitude that there shall be no reversal of polarity due to the ac component. the maximum ac voltage will be 1 v rms applied during measurement. 5. capacitance change with temperature: the capacitance change with temperature shall not exceed the limits given in the standard and extended ratings table for each capacitor. 6. equivalent series resistance: measurements shall be made by the bridge method at or referred to, a frequency of 120 hz at a temperature of + 25 c. a polarizing voltage shall be used of such magnitude that there shall be no reversal of polarity due to the ac component. the maximum ac voltage will be 1 v rms applied during measurement. 6.1 the equivalent series resistance shall not exceed the maximum value in ohms li sted in the standard and extended ratings table for each capacitor. 6.2 the dissipation factor ma y be calculated from the equivalent series resistance and capacitance values as shown: where: df = dissipation factor in % r = esr in ? c = capacitance in f f = frequency in hz at 120 hz, the above equation becomes: for example, percent dissipation factor of a 30 f, 6 v capacitor, which ha s a maximum esr of 3.4 ? at + 25 c and 120 hz, would be calculated as shown: typical curves of impedance as a functio n of frequency at various temperatures - 55 - 40 - 20 + 25 + 85 impedance in ( ? ) 0.2 1.0 10 100 200 frequency in hz 100 1k 10k 100k 1m 10m k case 120 f , 25 v capacitors c c c c 125 c - 55 - 40 - 20 + 25 + 85 +125 frequency in hz impedance in ( ? ) 100 1k 10k 100k 1m 10m 0.2 1.0 10 100 200 c case 10 f. 100 v capacitors c c c c c c up to + 85 c working voltage (v) at + 125 c working voltage (v) up to + 85 c working voltage (v) at + 125 c working voltage (v) 6 4 35 22 8 5 50 30 10 7 60 40 15 10 75 50 20 13 100 70 25 15 125 85 30 20 150 100 df 2 ? frc 10 4 ----------------- - = df r x c 13.26 -------------- - = df 2 ? x 120 x 3.4 x 30 10 4 -------------------------------------------------- - 3.4 x 30 13.26 -------------------- - 7.7 % ===
138d www.vishay.com vishay revision: 21-mar-13 7 document number: 40025 for technical ques tions, contact: tantalum@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 performance characteristics (continued) 7. leakage current: measurements shall be made at the applicable rated working voltage at + 25 c 5 c through application of a st eady source of power, such as a regulated power supply. the total resistance in series with each capaci tor shall be between 1000 ? and 10 000 ? . the voltage shall be applied to the capacitor for 5 min before making the leakage current measurement. 7.1 the maximum leakage curre nt for any capacitor shall not exceed the value in mi croamperes listed in the standard and extended ratings table for each capacitor. note ? leakage current varies with applied voltage. see graph below for the appropriate adjustment factor. 8. low temperature impedance: the impedance of any capacitor at - 55 c at 120 hz, shall not exceed the values given in the standard and extended ratings tables. 9. life test: capacitors are capable of withstanding a 2000 h life test at a temperature of + 85 c or + 125 c at the applicable rated dc working voltage 10. high frequency vibration: capacitors shall with stand vibration from 10 hz to 2000 hz at 20 g when tested. 11. lead pull test: capacitors shall withstand a lead tensile stress of 3 pounds (13.2 n) for 30 s, applied axially 12. marking: capacitors shall be marked with sprague ? and/or the sprague tradem ark 2, the sprague type (138d); rated capacitance and tolerance (the tolerance shall be coded, using the li st shown in how to order); rated dc working voltage at + 85 c; the standard eia date code of manufacture. guide to application 1. ripple current: all capacitors will withstand rms ripple currents as listed for each capacitor. 1.1 the rms ripple current rating is independent of temperature or frequency within the following limitations: 1.1.1 at frequencies of less than 120 hz, the rated rms ripple current must be multiplied by the factors shown: 1.1.2 the sum of the peak ac voltage plus the dc voltage shall not exceed the dc working voltage of the capacitor. 1.1.3 the sum of the negative peak ac voltage, plus the applied dc voltage shall not allow a voltage reversal. 2. cleaning wiring boards wi th type 138d capacitors: customary cleaning solvents used in the electronics industry at present will not affect type 138d capacitors. however, the use of ultrasonic cleaning techniques is not recommended under any circumstances. 3. apparent capacitance: note that in timing circuit applications, the circuit designer must take into account two important variables which affect any electrolytic capacitor. these are the internal leakage resistance of the capacitor and its dielectric absorption, which will de pend on the elapsed time since the capacitor was last energized. in applications where electrolytic capacitors are subjected to dc energy, or in effect, extremely low frequencies, the value of the apparent capacitance will be somewhat higher than that which is measured at 120 hz. 4. no reverse voltage: the application of reverse voltage to these capacitors will cause internal damage. the resulting damage will lead to immediate or delayed failure of the unit. this will take the form of a catastrophic short circui t with possible expulsion of the electrolyte. leakage as a function of voltage and temperature 1.0 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.008 0.007 0.006 0.005 0.004 0.003 0.002 0.001 leakage current factor 0 percent of rated voltage 10 30 20 90 40 50 60 70 80 100 frequency in hz 25 50 60 100 0.36 0.59 0.65 0.88
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