document number: 31524 revision 20-feb-03 www.vishay.com 50 MDRC vishay dale for technical questions, contact: ff2aresistors@vishay.com features ? 0.190" [4.83mm] maximum seated height ? rugged molded case construction ? highly stable thick film ? reduces total assembly cost ? low temperature coefficient (- 30 c to + 85 c) 100ppm/ c ? compatible with automatic insertion equipment ? reduces pc board space resistor/capacitor networks, dual-in-line, molded dip, 16 pin example: MDRC-1641-500g = a 16 pin dual-in-line resistor network with eleven 50 ohm resistors and a .01 microfarad decoupling capacitor. first 2 digits are significant figures. last digit specifies number of zeros to follow. first 2 digits are significant figures. last digit specifies number of zeros to follow. g= 2% j= 5% ordering information MDRC model g tolerance MDRC model 500 resistance value g= 2% MDRC-1643 16 number of pins 41 schematic 43 schematic 750 impedance value in ohms (zo) MDRC-1641 and MDRC-1642 g tolerance 16 number of pins standard electrical specifications model schematic power resistor characteristics capacitor characteristics rating package resistance temperature t .c.r. capacitance capacitance power tolerance coefficient tracking tolerance voltage p 25 c rating (- 20 c to + 85 c) rating w w @ + 70 c % typical ppm/ c v max. MDRC 1641 0.15 max 2.0 max. 2, or 2 ? * 100ppm/ c 50 0.1 f + 40%, - 20% 25 MDRC 1642 0.15 max. 2.0 max. 2, or 2 ? * 100ppm/ c 50 0.1 f + 40%, - 20% 25 MDRC 1643 0.20 max. 2.0 max. 2, or 2 ? * 100ppm/ c 50 0.1 f + 40%, - 20% 25 thevenin equivalent terminator the MDRC-1643 contains four pair of series resistors. the circuit is compatible with ecl pin configurations. each terminator section (series pair) contains a voltage divider between v cc (0 volt) and v ee (- 5.2 volt) providing a thevenin equivalent voltage of - 2.0 volts. a .01 microfarad decoupling capacitor bypasses the v ee buss. - 2.0 and - 5.2 volt ecl terminator the MDRC-1641 circuit contains 11 resistors of nominally equal value and a .01 microfarad decoupling capacitor. the MDRC-1641 is designed for ecl line termination to a - 2.0 volt buss. the .01 microfarad decoupling capacitor is for bypassing transients between supply voltages. the MDRC-1642 circuit contains 12 resistors of 510 ohm each and a .01 microfarad decoupling capacitor. the MDRC-1642 is designed for ecl pull-down to a - 5.2 volt buss. the .01 microfarad decoupling capacitor is for bypassing voltage transients on the voltage buss. 16 1 9 8 16 1 9 8 r2 r2 r2 r2 line 1 line 2 v cc v ee v cc v ee line 3 line 2 r1 r1 r1 r1 v cc v cc v ee v ee v ee v ee v cc v ee c 16 1 MDRC-1642 schematic MDRC-1641 schematic MDRC-1643 schematic circuit applications * whichever is greater
www.vishay.com 51 MDRC vishay dale document number: 31524 revision 20-feb-03 for technical questions, contact: ff2aresistors@vishay.com dimensions in inches [millimeters] pin #1 0.310 0.010 [7.87 0.254] 0.250 0.005 [6.35 0.127] 0.700 0.010 [17.78 0.254] 0.100 0.010 [2.54 0.254] non-accumulative tol. 7 spaces 0.850 0.010 [21.59 0.254] 0.018 0.003 [0.457 0.076] 0.030 [0.762] typ. 0.050 0.005 [1.27 0.127] 0.075 0.015 [1.90 0.381] 0.010 + 0.005 - 0.002 [0.254 + 0.127 - 0.051] 0.150 0.005 [3.81 0.127] 0.130 + 0.015 - 0.010 [3.30 + 0.381 - 0.254] 0.290 [7.37] min. 0.320 [8.13] nom. 0.360 [9.14] max. max. ? r (typical test lots) 0.50% ? r 0.25% ? r 0.25% ? r 0.50% ? r 0.25% ? r 0.25% ? r 0.25% ? r 0.50% ? r 0.25% ? r test thermal shock short time overload low temperature operation moisture resistance resistance to soldering heat shock vibration load life terminal strength insulation resistance dielectric withstanding voltage conditions MDRC-1641 and MDRC-1642, 5 cycles between - 30 c and + 85 c MDRC-1643, 5 cycles between - 65 c and + 125 c 2.5 x rated working voltage 5 seconds MDRC-1641 and MDRC-1642, 45 minutes at full rated working voltage at - 30 c MDRC-1643, 45 minutes at full rated working voltage at - 65 c 240 hours with humidity ranging from 80% rh to 98% rh leads immersed in + 350 c solder to within 1/16" of device body for 3 seconds total of 18 shocks at 100 g's 12 hours at maximum of 20 g's between 10 and 2,000 hz 1000 hours at + 70 c, rated power applied 1.5 hours on, 0.5 hour off for full 1000 hour period. derated according to the curve. 4.5 pound pull for 30 seconds 10,000 megohm (minimum) (200 v rms for 1 minute) performance derating - 50 - 30 + 25 + 85 + 150 power rating (watts) ambient temperature c MDRC-1643 MDRC-1641 and MDRC-1642 MDRC-1641 MDRC-1642 package single resistor single resistor MDRC-1643 package resistor/capacitor networks, dual-in-line, molded dip, 16 pin - 50 - 30 + 25 + 85 + 150 parameter unit cs206 operating voltage (at + 25 c) vac 50 maximum capacitor dissipation factor % < 3 voltage coefficient of resistance (typical) ppm/v < 50 operating temperature range c - 30 to + 85 c storage temperature range c - 30 to + 85 c technical specifications MDRC-1641 50, 68, 75, 100 resistance value in ohms (g tolerance) MDRC-1643 r 1 81 121 162 r 2 130 195 260 zo 50 75 100 marking resistance to solvents: permanency testing per mil-std-202, method 215. solderability: per mil-std-202, method 208e. terminals: copper alloy, tin-lead plated. body: molded epoxy. weight: 1.5 grams. mechanical specifications derating power rating (watts) ambient temperature c 0.20 1.00 2.00 0.15 1.00 2.00 pin #1 identification MDRC-1642 510
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