RoHS: yes. Component family: screw-on insulating washer (grommet). Manufacturer's product group: IB. Configuration: insulating washer for transistor. Outside diameter [mm]: 7.1mm. External thickness [mm]: 4.7mm. Breakdown voltage: 30 kV/mm. Recommendation: TO-3, TO-66, SOT-9. Color: black. Material: Polyamide with glass fiber reinforcement. Fire resistance: UL94V-0. Operating temperature range min (°C): -40°C. Operating temperature range max (°C): +250°C