Thick and thin film chip resistors are classified as ESD sensitive devices by MIL-HDBK-263. ESD precautions should be taken when handling these devices. Tested in accordance with MIL-STD-883, Method 3015, thick and thin film resistors are Class 1(< 2000 V), Class 2(< 4000 V), or Class 3( > 4000 V) per MIL-STD-1686. ESD sensitivity depends on the manufacturing technology, the case length, and the resistance value.

Thick Film Resistors: Resistors with a case length less than 0.055" are Class 1. Resistors with a case length between 0.055" and 0.135 are Class 2. Resistors with a case length greater than 0.135" are Class 3.

Thin Film Resistors: Resistors with a case length of less than 0.090" are Class 2. Resistors with a length greater than 0.090" are Class 3. Please contact the factory for additional information.


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