Approval sheet
REQUIREMENT
TEST
PROCEDURE / TEST METHOD
Resistor
R/R max. (1.0%+0.05)
No visible damage
Board Flex
Resistors mounted on a 90mm glass epoxy resin
PCB(FR4),bending once 2mm for 60sec.
AEC-Q200-005
Terminal strength
Pressurizing force: 1Kg, Test time: 60±1sec.
No remarkable damage or
removal of the terminations
AEC-Q200-006
Thermal shock
MIL-STD-202
method 107
ESD
Test –55 to 155℃/ dwell time 15min/ Max transfer time
R/R max. (1.0%+0.05)
20sec 300cycles
No visible damage
Test contact 1.0KV (0.5KV for 0402 only)
R/R max. (1.0%+0.05)
AEC-Q200-002
No visible damage
Test ½ Sine Pulse, Peak value: 100g, normal duration:
6ms, Velocity change:12.3ft/sec. Three shocks in each
direction, total 18 shocks.
Mechanical Shock
MIL-STD-202
method 213
Vibration
Within product specification
tolerance and no visible damage.
Test 5g’s for 20 min., 12 cycles each of 3 orientations.
△R/R max. ±(1%+0.05Ω) and
MIL-STD-202
method 204
no visible damage
Solvent is Isopropyl alcohol, immersion 3mins at 25℃
No superficial defect on marking,
encapsulation, coating,
Resistance to Solvents :
MIL-STD-202
and brush 10 strokes with a toothbrush with a handle
made of a non-reactive material (wet bristle), immersion appearance. Electrical
and brush 3 times and then air blow dry.
characteristics within products
Method 215
specification and tolerance.
Inspect at 3X max. for marking,
inspect at 10X for part damage.
Electrical test not required. Inspect device construction,
marking and workmanship
External Visual
MIL-STD-883
method 2009
Physical Dimension
JESD22
No visual damage and refer
WTC marking code.
Verify physical dimensions(L, W, T, Tb, Tt)
ASTM B-809 60’C 480hrs
Within the specified tolerance for
WTC.
method JB-100
Sulfuration test
ASTM B-809-95
R/R max. (2%+0.10)
No visible damage
Page 8 of 9
ASC_WFxxP_V_V03
Mar – 2023