片式電阻器可靠性試驗(yàn)條件與方法要求

1、片式電阻器 TESTS AND REQUIREMENTSTest condition, procedure and requirementsTESTTEST METHODPROCEDUREREQUIREMENTSHigh Temperature ExposureAEC-Q200 Test 3MIL-STD-202 Method 1081,000 hours at T= 155C, unpowered(1.0%+0.05) for D/F tol (2.0%+0059 forJtol 50 mfor JjmperMoistureResistanceAEC-Q200 Test 6MIL-STD-2

2、02Method106Each temperature/humidity cycle is defined at 8 hours (method 106F), 3 cycles / 24 hours for 10d. with 25C / 65C 95% R.H, without steps 7a&7b,unpowered士 (0.5%+0.05。) for D/F tol 士 (2.0%+0.05 二)forJtol 100 =-for JumperBiasedHumidityAEC-Q200 Test 7MIL-STD-202 Method 1031,000 hours; 85C / 85

3、% RH10% of operating powerMeasurement at 24 hours after tesconclusion.士 (1.0%+0.05 二)for D/F tol 士(3.0%+0.05 =)forJtol 100 ：-for JumperOperational LifeAEC-Q200 Test 8MIL-STD-202 Method1081,000hoursat125 C, derated voltageapplied for1.5 hours on,0.5 houroff, still-airrequired士(1.0%+0.05二)for D/F tol

4、士 (3.0%+0.05二)forJtol 100 Tor JumperResistance toSoldering HeatAEC-Q200 Test15MIL-STD-202Method210Condition B, no pre-heat of samplesLead-free solder, 20 C, 10t1 seconds immersion timeProcedure 2 for SMD: devices fluxed and cleaned withBopropanol士 (0.5%+00安-)for D/F tol 士 (1.0%+O05-) forJtol 50 m=fo

5、r Jjmper No visible damageThermalShockAEC-Q200 Test16MIL-STD-202Method107-55/+125CNumber of cycles is 300. Devices mountedMaximum transfer time is 20 seconds.Dwell time is 15 minutes. Air Air士 (0.5%+O05-) for D/F tol 士 (1.0%+O05-) forJtol 50 mfor JjmperESDAEC-Q200 Test17AEC-Q200-002Human Body Model,

6、-1pos+ Leg.discharges 0201: 500V士(3.0%+0.05-)50 m for Jjmper0402/06031KV0805 and above2KVSolderability-WettingAEC-Q200 Test 18J-STD-002Electrical Test not required MagnificatiOOXWell tinned (-95%covered)SMD conditions:No visibledamageMethodB, aging 4 hours atl55C dry heat, dippingat2353 Cfor50.5seco

7、nds.Method B, steam aging 8 hours, dipping at 2153 C for50.5 seconds.MethodD,steamaging8hours,dippingat 2603 Cfor70.5seconds.Board FlexAEC-Q200 Test 21AEC-Q200-005Chips mounted on a 90mm glass epoxy resin (1.0%+O05)PCB (FR4)50 m：for jLimperBendingfor0201/0402:5mm0603/0805: 3 mm1206 and above:2 mmHol

8、ding time: minimum 60 secondsTemperatureCoefficient of Resistance (T.C.R.)MIL-STD-202 Method 304At +25/ -55 C and +25/+125 CFormula:Refer to table 2TESTTEST METHODPROCEDUREREQUIREMENTSR2 R1W-Jx106 (ppm/C)Wheret1=+25 C or specified room temperaturet2=55 Cor+125 C test temperatureR1=resistance at reference temperature in ohms =resistance at test temperature in ohmsShort Time OverloadIEC60115-1 4.132.5timesofratedvoltageormaximumoverload voltage whichever is less for 5itsomtemp