- EF2-4.5SNU
- Nec Electronics
- Ultra-low power, compact and lightweight, High breakdown voltage, Surface mounting type
- EF2-4.5SNUH
- Nec Electronics
- Ultra-low power, compact and lightweight, High breakdown voltage, Surface mounting type
- EF2-4.5SNUN
- Nec Electronics
- Ultra-low power, compact and lightweight, High breakdown voltage, Surface mounting type
- EF2-4.5SNUX
- Nec Electronics
- Ultra-low power, compact and lightweight, High breakdown voltage, Surface mounting type