WS-3-4, Silicone insulating washer. Component family: Silicone insulating washer. Breakdown voltage: 10 KV. Color: gray. Configuration: oval. External thickness [mm]: 0.3mm. Manufacturer's product group: WS. Material: Silicone-based. Max temperature: +180°C.. Outer length [mm]: 42mm. Outer width [mm]: 28.2mm. Recommendation: TO-3. RoHS: yes. Thermal resistance (K/W): 0.4K/W. Original product from manufacturer: Fischer Elektronik. Quantity in stock updated on 11/02/2025, 19:19