specifications are subject to change without notice. 4A12P-516-500 - surge line protection module electrical characteristics resistance value..........................................................................50 ? resistance tolerance ..................................................................? % tcr ..................................................................................100 ppm/? ratio tolerance ........................................................................?.5 % temperature range...................................................-40 ? to +85 ? physical characteristics body style ...........................................dual in line smd - twin pack substrate material ........................................................96 % alumina lead frame material........................................copper, solder coated flammability .....................................................conforms to ul94v-0 processability................unit is only suitable for no-clean processing convection reflow...................unit will withstand 260 ? 20 seconds packaging .................16 ?diameter reels, 44 mm tape, 250 pcs./reel functional characteristics (per bellcore gr-1089) first level lightning surge - resistors will remain within tolerance after testing. 1000 volts peak, 100 amp peak current, max. rise/min. decay time 10x1000 ?, 60 seconds between pulses: number of pulses ..............................25 each resistor each polarity 2500 volts peak, 500 amp peak current, max. rise/min. decay time 2x10 ?, 60 seconds between pulses: number of pulses .............................10 simultaneous each polarity first level ac power fault - resistors will remain within tolerance after testing. 50 vrms, 0.33 amp short circuit current: duration...........................................................................15 minutes 100 vrms, 0.17 amp short circuit current: duration...........................................................................15 minutes 600 vrms, 1.00 amp short circuit current: duration ........................................................60 one-second pulses second level lightning surge - resistor package must fail safely causing no fire, electrical, or framentation hazard. 5000 volts peak, 500 amp peak current, max. rise/min. decay time 2x10 ?: number of pulses ...............................1 simultaneous each polarity second level ac power fault - resistor package must fail safely causing no fire, electrical, or framentation hazard. device will fail prior to bussman mdq 1-6/10 a fuse in series. 100 vrms, 2.2 amp short circuit current: duration...........................................................................15 minutes 600 vrms, 7 amp short circuit current: duration............................................................................5 seconds 250 vrms, 25 amp short circuit current: duration...........................................................................15 minutes 600 vrms, 60 amp short circuit current: duration............................................................................5 seconds features overcurrent/lightning protection to bellcore gr-1089 typical application is secondary protection on telecom line cards ul497a recognition thermal fuse links 4 2 1 8 10 11 32.81 (1.292) 3.72 (.146) max. 10.16 .13 (.400 .005) 2.54 .13 (.100 .005) 12.70 (.500) 14.59 (.575) f1a f2b f2a f1b r1a r1b r2b r2a 1 2 4 8 10 11 22 21 19 15 13 12 product dimensions electrical schematic dimensions: millimeters (inches) copyright? 2002, bourns, inc. litho in u.s.a. 09/02 e/l0211 reliable electronic solutions asia-pacific: tel +886- (0)2 25624117 ?fax +886- (0)2 25624116 europe: tel +41-41 7685555 ?fax +41-41 7685510 north america: tel +1-909 781-5500 ?fax +1-909 781-5700 bourns.com 09/02 how to order 4a 12 p - 516 - 500 model (4a = surface mount) number of pins physical configuration electrical configuration 516 = matched pair of resistors plus thermal fuse resistance code ?500 = 50 ? max. 4.07 .25 (.160 .010) 2.80 (.110) 7.87 (.310)
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