SMD Varistor
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SMD Varistor

SMD varistor Applicable welding equipment: reflow soldering machine
Installation method: surface mount
Ceramic body composition: multi-layer and single-layer
Common Dimensions for Multiple Layers (inches):0603、0805、1206、1210、1808、1812、2020、2025
Single layer common size (inches):3225、4032
SMD varistor Unit conversion:
A、1 inch = 2.54cm
B、Take 1808 as an example
●1808 representatives: 0.18×0.08 inches
●Converted to: 0.46×0.20cm
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Description

Technical Parameters

Product Description

 

Advantages of SMD varistors:

Important prerequisites: comparisons should be made under the same surge capability, and the surge current waveform is 8/20μS

A, Low height

B,In the case of short circuit, the flame is slightly smaller

C, can use automatic placement machine, high efficiency

 

Disadvantages of SMD varistors:

A,Occupies a large area

B,The surge current is not large, the current surge current of 4032 size is only 2.5kA (15 times)

C,The amount of tin used has increased by 10%

 

Application area

 

1.Small appliances

2.LED driver circuit using aluminum substrate

3.Secondary protection of low-voltage electrical appliances. Plug-in varistors are still used between L-N.

 

Temperature requirements for reflow soldering machines

 

1,The highest temperature zone cannot exceed 265°C

2,The residence time in the highest temperature zone shall not exceed 1 minute

 

Our company has the production capacity of full series and full size of chip varistors. Welcome to purchase after putting forward quality requirements.

 

 

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