SMD Varistor
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
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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