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Sep. 27, 2023 V.1

Molded Resistors

4

7

Product Specification

LCR

Through Hole Resistors

TEST AND REQUIRMENTS

TEST

TEST METHOD

PROCEDURE

APPRAISE

Short Time Overload

IEC 60115-1 4.13

At 5 times of the rated power for 5 sec

±(0.5%+0.0005

Ω)

Voltage Proof on

Insulation

IEC 60115-1 4.7

In V-Block for 60 sec. test voltage as

above table

No Breakdown

Temperature Coefficient

IEC 60115-1 4.8

Between -55°C to +155°C

By Type

Insulation Resistance

IEC 60115-1 4.6

In V-Block for 60 sec.

>10,000M

Ω

Solderability

IEC 60115-1 4.17

245±5°C for 3±0.5 Sec.

95% Min. coverage

Damp Heat Steady State

IEC 60115-1 4.24

40±2°C,90-95% RH for 1000 Hr., loaded

with 0.1 times RCWV (1.5 Hr.on,0.5 Hr.

off)

±(1.0%+0.0005

Ω)

Endurance at 70°C

IEC 60115-1 4.25

70±2°C at RCWV(or Umax., whichever

less) for 2,000 Hr.(1.5 Hr.on,0.5 Hr. off)

±(2.0%+0.0005

Ω)

Temperature Cycling

IEC 60115-1 4.19

-55°C

➔ Room Temp. ➔ +125°C

➔Room Temp.(5 cycles)

±(0.2%+0.0005

Ω)

Endurance at upper

category temperature

275 ±3°C (+175±3°C for LCR100) for 250

hours

±(2.0%+0.0005

Ω)

Endurance at lower

category temperature

-65 ± 3°C for 24 hours

±(2.0%+0.0005

Ω)

Note:.

RCWV (Rated Continuous Working Voltage ):

The DC or AC (rms) continuous working voltage corresponding to the rated power is determined by the following

formula:

V=√(P X R)

or max. working voltage whichever is less

Where

V=Continuous rated DC or

AC (rms) working voltage (V)

P=Rated power (W)

R=Resistance value (Ω)