IB-1, screw-on insulating washer (grommet). Component family: screw-on insulating washer (grommet). Breakdown voltage: 30 kV/mm. Color: black. Configuration: insulating washer for transistor. External thickness [mm]: 4.7mm. Fire resistance: UL94V-0. Manufacturer's product group: IB. Material: Polyamide with glass fiber reinforcement. Max temperature: +250°C.. Outside diameter [mm]: 7.1mm. Recommendation: TO-3, TO-66, SOT-9. RoHS: yes. Original product from manufacturer: Fischer Elektronik. Minimum quantity: 10. Quantity in stock updated on 13/11/2025, 15:56