- R1121N431B-TR-F
- Ricoh Corporation
- 4.3 V FIXED POSITIVE LDO REGULATOR, PDSO5
- R1121N431B-TR-FA
- Ricoh Corporation
- 4.3 V FIXED POSITIVE LDO REGULATOR, 0.26 V DROPOUT, PDSO5
- R1121N431B-TR-FB
- Ricoh Corporation
- 4.3 V FIXED POSITIVE LDO REGULATOR, 0.26 V DROPOUT, PDSO5
- R1121N431B-TR-FE
- Ricoh Corporation
- FIXED POSITIVE LDO REGULATOR, PDSO5