features shielded construction carbonyl powder core high saturation current inductance range: 1 to 100 ? aec-q200 quali ed rohs compliant* and halogen free** applications automotive systems: - driver assistant - information - entertainment - lighting dc/dc converters power supplies SRP1770TA series - shielded power inductors * rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. **bourns considers a product to be ?alogen free?if (a) the bromine (br) content is 900 ppm or less; (b) the chlorine (cl) content is 900 ppm or less; and (c) the total bromine (br) and chlorine (cl) content is 1500 ppm or less. speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. operating temperature ................................-40 c to +150 c (temperature rise included) storage temperature ................................-40 c to +125 c rated current ......... inductance drops 20 % at isat1, 30 % at isat2 temperature rise .....40 c at rated irms electrical speci cations @ 25 c general speci cations core .............................carbonyl powder wire ............................enameled copper terminal finish ...................................sn packaging ....... 300 pcs. per 13-inch reel materials product dimensions schematic how to order SRP1770TA - 220 m model value code (see table) tolerance code soldering pro le dimensions: mm (inches) recommended layout *rohs compliant & **halogen free bourns part number inductance @ 100 khz / 1 v q (min.) @100 khz / 1 v srf (mhz) typ. dcr (m) typ. dcr (m) max. irms (a) isat1 (a) isat2 (a) terminal type l ( h) tol. (%) SRP1770TA-1r0m 1 20 20 35 1.6 2 52 60 70 lead frame SRP1770TA-1r5m 1.5 20 20 30 2 2.5 47 52 65 SRP1770TA-2r2m 2.2 20 20 22 2.4 2.7 43.5 47 62 SRP1770TA-3r3m 3.3 20 20 17 3.5 3.9 28 45 54 SRP1770TA-4r7m 4.7 20 20 15 4.8 5.5 25 41 50 SRP1770TA-5r6m 5.6 20 20 12 5.8 7.05 21 40 45 SRP1770TA-6r8m 6.8 20 20 11 8.4 9.2 19 32 39 SRP1770TA-8r2m 8.2 20 20 10 9.6 10.8 18 25 31 SRP1770TA-100m 10 20 20 8 11.8 13 16.5 24 29 SRP1770TA-150m 15 20 20 7 17.8 20.5 12.5 23 27 SRP1770TA-220m 22 20 20 5 25.1 26.5 12 18 23 SRP1770TA-330m 33 20 20 4 38 44 10.7 15 20 SRP1770TA-390m 39 20 20 4 40 48 9.2 11 18 SRP1770TA-470m 47 20 20 3 48 55 8.7 9.5 16 SRP1770TA-560m 56 20 20 3 54 62 7.8 9 15 SRP1770TA-680m 68 20 20 2 68 80 7 8 13 SRP1770TA-101m 100 20 20 2 102 118 5.3 6.5 12 16.9 ?0.3 (.666 ?.012) 17.6 ?0.4 (.693 ?.016) 6.7 ?0.3 (.264 ?.012) 16.9 ?0.3 (.666 ?.012) 11.9 ?0.3 (.469 ?.012) 2.1 ?0.3 (.083 ?.012) 2.3 ?0.3 (.091 ?.012) 101 1510 0 ~+ 0.25 (0 ~+ .010) 18.5 (.728) 12.2 (.480) 12.5 (.492) 25 temperature (c) time (seconds) reflow times: 3 times max. preheating soldering natural cooling 217 c t p (245 c, 20~40 sec.) 200 c 150c 60~180 sec. 480 sec. max. 60~150 sec. t p (260 c / 10 sec. max.) lead frame terminal
speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. SRP1770TA series - shielded power inductors l vs. i charts 0 016 64 32 48 80 0.3 0.6 1.2 1.5 0 inductance ( h) dc current (a) SRP1770TA-1r0m temperature rise (c) 30 120 150 60 90 0.9 0 014 56 28 42 70 0.6 1.2 2.4 3.0 0 inductance ( h) dc current (a) SRP1770TA-1r5m temperature rise (c) 24 96 120 48 72 1.8 0 0 12.4 49.6 24.8 37.2 62.0 0.7 1.4 2.8 3.5 0 inductance ( h) dc current (a) SRP1770TA-2r2m temperature rise (c) 24 96 120 48 72 2.1 0 0 10.8 43.2 21.6 32.4 54.0 1 2 4 5 inductance ( h) dc current (a) SRP1770TA-3r3m temperature rise (c) 3 0 010 40 20 30 50 1.6 3.2 6.4 8.0 0 inductance ( h) dc current (a) SRP1770TA-4r7m temperature rise (c) 4.8 0 0 9.2 36.8 18.4 27.6 46.0 2 4 8 10 0 inductance ( h) dc current (a) SRP1770TA-5r6m temperature rise (c) 24 96 120 48 72 6 0 08 32 16 24 40 2.4 4.8 9.6 12.0 0 inductance ( h) dc current (a) SRP1770TA-6r8m temperature rise (c) 24 96 120 48 72 7.2 0 0 6.8 27.2 13.6 20.4 34.0 3 6 12 15 0 inductance ( h) dc current (a) SRP1770TA-8r2m temperature rise (c) 24 96 120 48 72 9 0 0 5.8 23.2 11.6 17.4 29.0 3 6 12 15 0 inductance ( h) dc current (a) SRP1770TA-100m temperature rise (c) 20 80 100 40 60 9 0 0 5.4 21.6 10.8 16.2 27.0 5 10 20 25 0 inductance ( h) dc current (a) SRP1770TA-150m temperature rise (c) 20 80 100 40 60 15 0 0 4.2 16.8 8.4 12.6 21.0 7 14 28 35 0 inductance ( h) dc current (a) SRP1770TA-220m temperature rise (c) 24 96 120 48 72 21 0 04 16 812 20 10 20 40 50 0 inductance ( h) dc current (a) SRP1770TA-330m temperature rise (c) 24 96 120 48 72 30 0 0 3.6 14.4 7.2 10.8 18 12 24 48 60 0 inductance ( h) dc current (a) SRP1770TA-390m temperature rise (c) 24 96 120 48 72 36 0 0 3.2 12.8 6.4 9.6 16.0 12 24 48 60 0 inductance ( h) dc current (a) SRP1770TA-470m temperature rise (c) 24 96 120 48 72 36 0 0 1.8 7.2 3.6 5.4 9.0 16 32 64 80 0 inductance ( h) dc current (a) SRP1770TA-560m temperature rise (c) 12 48 60 24 36 48 0 24 96 120 48 72 24 96 120 48 72
3312 - 2 mm smd trimming potentiometer speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. SRP1770TA series - shielded power inductors rev. 09/16 dimensions: mm (inches) qty: 300 pcs. per reel 12.0 (.472) 32.0 ?0.5 (1.260 ?.020) 2.0 0.5 (.079 .020) 100 ?2 (3.937 ?.079) 330 (12.992) dia. 13.5 ?0.5 (.531 ?.020) dia. l vs. i charts (continued) 0 0 2.6 10.4 5.2 7.8 13.0 20 40 80 100 0 inductance ( h) dc current (a) SRP1770TA-680m temperature rise (c) 14 56 70 28 42 60 0 0 2.4 9.6 4.8 7.2 12.0 30 60 120 150 0 inductance ( h) dc current (a) SRP1770TA-101m temperature rise (c) 24 96 120 48 72 90 user direction of feed 4.0 0.1 (.157 .004) 2.0 0.05 (.079 .002) 7.5 0.1 (.295 .004) 0.5 0.05 (.020 .002) 1.5 0.1 (.059 .004) dia. 1.75 0.1 (.069 .004) 24.0 0.1 (.945 .004) 101 1510 101 1510 101 1510 101 1510 101 1510 28.4 0.10 (1.118 .004) 32.0 0.3 (1.260 .112) 14.2 0.1 (.559 .004) 12.6 0.1 (.496 .004) 17.5 0.1 (.689 .004) 18.5 0.1 (.728 .004) 17.5 0.1 (.689 .004) packaging speci cations
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