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List of Model Selection and Online Purchase Address for LiZ Wide Electrode Surge Thick Film Chip Resistor RW: click on the image to enter


This article focuses on the introduction of the wide electrode thick film resistor RW series parameters of Lizhi (LIZ) brand:




Characteristics of the Lizhi LIZ wide electrode thick film resistor RW series:



Suitable for mounting machine assembly

Complies with RoHS and halogen-free standards

Wide electrode


Application of Lizhi LIZ wide electrode thick film patch resistor RW series:


Power supply unit

Switching Mode Power Supply

Voltage regulator


Lizhi LIZ wide electrode thick film patch resistor RW series Naming convention:

RW 1225 J A 0101 G
Type Size Tolerance Rated Power Resistance Value Packing Code



The core parameters of the Lizhi LIZ wide electrode thick film patch resistor RW series include volume, resistance value, accuracy, temperature coefficient, rated power, maximum working voltage, maximum overload voltage, insulation voltage, operating temperature, and other parameters. Below is an introduction to the Lizhi (LIZ) brand thick film patch resistor based on the above parameters

Type RW0612 RW1210 RW1225
70℃ Rated Power at 70℃ 3/4W 1W 2W
Max Working Voltage    200V 200V 200V
Max Overload Voltage    400V 500V 500V
Dielectric WithStanding Voltage    570V 710V 710V
Resistance Volue of Jumper <50mΩ <50mΩ <50mΩ
Rated Current of Jumper 2.0A 2.0A 2.0A
Max Current of Jumper 10.0A 10.0A 10.0A
Operating Temperature -55~125℃ -55~125℃ -55~125℃
Resistance Range of 1% 1Ω~1MΩ 1Ω~1MΩ 1Ω~1MΩ
Resistance Range of  2% 1Ω~1MΩ 1Ω~1MΩ 1Ω~1MΩ
Resistance Range of  5% 1Ω~1MΩ 1Ω~1MΩ 1Ω~1MΩ

Overall dimensions:

Type RW0612 RW1210 RW1225
size L(mm) 1.60±0.20 2.50±0.15 3.10±0.15
W(mm) 3.20±0.20 5.00±0.15 6.30±0.15
T(mm) 0.60±0.10 0.60±0.10 0.60±0.10
E(mm) 0.30±0.20 0.4±0.20 0.45±0.20
e(mm) 0.45±0.15 0.75±0.15 0.75±0.15


CRPerformance parameters of thick film patch resistors:

Item Test Methods Specification
Temperature Coefficient JIS C5201 4.8




Solderability JIS C5201 4.17 Min 95% coverage
Insulation Resistance JIS C5201 4.6 >10GΩ
Dielectric Withstanding Voltage JIS C5201 4.7 No evidence of flashover,mechanical damage arcing or insulation breakdown
Short-Time Overload JIS C5201 4.13 ±(1.0%+0.05Ω) Max 
Terminal Bending JIS C5201 4.33 ±(1.0%+0.05Ω) Max 
Resist to Soldering Heat JIS C5201 4.18 ±(1.0%+0.05Ω) Max 
Load Life JIS C5201 4.25.1 0201~2512 Size:±(2.0%+0.05Ω)Max 
Humidity JIS C5201 4.24 ±(2.0%+0.05Ω) Max 
Temperture Cycling JIS C5201 4.19 ±(2.0%+0.05Ω) Max 
Moisture Resistance



 ±(2.0%+0.05Ω) Max 
High Temperature Expousure(Storage)



±(1.0%+0.05Ω) Max

IEC 60115-1 4.27

±(2.0%+0.05Ω) Max



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