TAI ELECTRONIC CO., LTD.
No.133, Nan-Kann Road.Sec 1, Lu-Jwu, Taoyuan, Taiwan, R.O.C.
TEL: 886-03-3221988, 3221989 3222717, 3223799 FAX: 866-03-3524879

FRN  Fusible Resistors:

 

 

2.Features:
Raw materials used for fusible resistors are that of Metal Film Resistor;

Ideal circuit opening controller , disconnecting units from overload rating specified;

Too low or too high ohm value can be supplied on a case to case basis;

Standard gleen color for Normal Size Sky blue cdor for Small Size Product;


3.Explanation On Specifications

Style

 

 

Power rating at 70

Dimension Dielectric

withstanding

V.

Resistance

range

D Max L Max +0.02 d     

-0.05

H ±3

Normal Size

FRN1/4W FRN25 1/4W 2.5 6.8 0.52 28 300V  

1Ω~10kΩ

FRN1/2W FRN50 1/2W 3 9 0.6 28 350V
FRN1W FRN1W 1W 4 10 0.8 28 350V
FRN2W FRN2W 2W 5 12 0.8 38 600V
FRN3W FRN3W 3W 5.5 16 0.8 38 600V

Small Size

FRN1/2WS FRN50S 1/2W 2.5 6.8 0.52 28 350V  

1Ω~10kΩ

FRN1WS FRN1WS 1W 3 9 0.6 28 350V
FRN2WS FRN2WS 2W 4 10 0.8 28 600V
FRN3WS FRN3WS 3W 5 12 0.8 38 600V
FRN5WS FRN5WS 5W 5.5 16 0.8 38 600V

FUSING Characteristics
TEST POWER:

16 × Power Rating ..................≦ 60 seconds

20 × Power Rating ..................≦ 40 seconds

25 × Power Rating ..................≦ 30 seconds

32 × Power Rating ..................≦ 10 seconds

 

4.Explanation On Part Numbers

FRN

Fusible

Resistors

 

  25[S]

Series

 

16-1/8W (1/6W)

 25-1/4W

50-1/2W

[S]-miniature size

 

 

H

Forming and 

packaging

T5-T52

T2-T26

H-H Type

F-F Type

 

100

Nominal

Resistance

 

10Ω

J

Resistance

Tolerance

 

J- ±5%

G- ±2%

          

   5.Performance Specifications:

  Temperature coefficient  ±350PPM/℃  

 Short-time overload   △R/R ≦ ±(2%+0.05Ω),with no evidence of mechanical damage

 Dielectric withstanding voltage  No evidence of flashover,

                                                                    mechanical damage,arcing or insulation leakage.

 Terminal strength  No evidence of mechanical damage

 Resistance to soldering heat △R/R ≦ ±(1%+0.05Ω),with no evidence of mechanical damage

 Solderability Min.95% coverage.

 Temperature cycling △R/R ≦ ±(2%+0.05Ω),with no evidence of mechanical damage

 Load life in humidity  △R/R ≦ ±(5%+0.05Ω),with no evidence of mechanical damage

 Load life     △R/R ≦ ±(5%+0.05Ω),with no evidence of mechanical damage

 

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