Datasheet > WF04K820RBGL

WF04K820RBGL

更新时间： 2022-05-14 22:13:23

品牌	Logo	应用领域
华新科技 - WALSIN		/
页数	文件大小	规格书
8页	489K
描述
SMD Thick film resistor

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WF04K820RBGL 数据手册

TEST AND REQUIREMENTS(JIS C 5201-1 : 1998)

REQUIREMENT

Resistor

TEST

PROCEDURE

DC resistance

DC resistance values measured

Within the specified tolerance

Clause 4.5

<10@0.1V, <100@0.3V, <1K@1.0V,

<10K@3V, <100K@10V,<1M@25V,

<10M@30V

Temperature

Natural resistance change per change in degree Refer to “QUICK REFERENCE DATA”

centigrade.

Coefficient of

Resistance(T.C.R)

R₂ R

₁t₂t₁

10⁶(ppm/C)

Clause 4.8

R₁: Resistance at reference temperature

R₂: Resistance at test temperature

t₁: 20°C+5°C-1°C

Short time overload

(S.T.O.L)

Permanent resistance change after a 5second

application of a voltage 2.5 times RCWV or the

maximum overload voltage specified in the above

list, whichever is less.

R/R max. ±(0.5%+0.05)

Clause 4.13

Resistance to soldering

heat(R.S.H)

Clause 4.18

Un-mounted chips completely immersed for no visible damage

10±1second in a SAC solder bath at 260℃±5ºC

 R/R max. ±(0.25%+0.05)

Solderability

Un-mounted chips completely immersed for 2±0.5 good tinning (>95% covered)

second in a SAC solder bath at 235℃±5℃

Clause 4.17

no visible damage

Temperature cycling

no visible damage

30 minutes at -55C3C, 2~3 minutes at

Clause 4.19

20°C+5°C-1°C, 30 minutes at +125C3C,

2~3 minutes at 20°C+5°C-1°C, total

continuous cycles

R/R max. ±(0.5%+0.05)

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. (1.0%+0.05)

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

Bending strength

Clause 4.33

Adhision

Resistors mounted on a 90mm glass epoxy resin

PCB(FR4); bending : 3 mm, once for 10 seconds.

R/R max. ±(0.5%+0.05)

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

No remarkable damage or removal of the

terminations.

Clause 4.32

Insulation Resistance

R≧10GΩ

Apply the maximum overload voltage (DC) for

1minute

Clause 4.6

Dielectric Withstand

Apply the maximum overload voltage (AC) for 1 No breakdown or flashover

minute

Voltage

Clause 4.7

Page 7 of 8

WFxxK_V02

Feb-2013

1...4 5 678

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