Approval sheet

Page 6 of 7

ASC_WF10H_V01

Jan.2010

TEST

PROCEDURE

REQUIREMENT

Load life (endurance)

Clause 4.25

70±2ºC, 1000 hours, loaded with RCWV or Vmax,1.5 hours

on and 0.5 hours off

∆R/R max. ± (3%+0.1Ω)

Load life in Humidity

Clause 4.24

1000 hours, at rated continuous working voltage in humidity

chamber

controller

at 40

°C±2°C and 90~95% relative

humidity, 1.5hours on and 0.5 hours off

∆R/R max. ± (3%+0.1Ω)

Bending strength

Clause 4.33

Resistors mounted on a 90mm glass epoxy resin PCB(FR4);

bending : 3 mm, once for 10 seconds

∆R/R max. ±(1%+0.05Ω)

Adhesion

Clause 4.32

Pressurizing force: 5N, Test time: 10±1sec.

No remarkable damage or

removal of the terminations

Insulation Resistance

Clause 4.6

Apply the maximum overload voltage (DC) for 1minute

R≧10GΩ

Dielectric Withstand

Voltage

Clause 4.7

Apply the maximum overload voltage (AC) for 1 minute

No breakdown or flashover