Ricoh Electronic Devices part numbers

Ricoh Electronic Devices (R1/R3/R5 LDOs, DC-DC converters and supervisors, RP/RN parts) merged with New Japan Radio in 2022 to form Nisshinbo Micro Devices.

Ricoh Electronic Devices is now Nisshinbo Micro Devices (2022). We quote Ricoh Electronic Devices parts — current, obsolete and end-of-life — and parts that carry older Ricoh Electronic Devices markings. See also all Nisshinbo Micro Devices part numbers.

1,338 Ricoh Electronic Devices heritage part numbers

Part-number families from Ricoh Electronic Devices, listed under their current manufacturer.

Part numberManufacturerTypePackageKey specs
R1171S181A-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1.5A1.8V
R1171S191B-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1.5A1.9V
R1171S261B-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1.5A2.6V
R1171S281B-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1.5A2.8V
R1171S451B-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1.5A4.5V
R1172D121A-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A1.2V
R1172D121B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A1.2V
R1172D251B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A2.5V
R1172D271D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A2.7V
R1172D281B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A2.8V
R1172D291B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A2.9V
R1172D331B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A3.3V
R1172D381D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A3.8V
R1172D401D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A4V
R1172D431B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A4.3V
R1172H101D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A1V
R1172H131D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A1.3V
R1172H161D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A1.6V
R1172H181D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A1.8V
R1172H331D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A3.3V
R1172H381D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A3.8V
R1172H501D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A5V
R1172N081D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A800mV
R1172N101B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A1V
R1172N101D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A1V
R1172N111D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A1.1V
R1172N291D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A2.9V
R1172N331A-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3.3V
R1172N331B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3.3V
R1172N401B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A4V
R1172N501B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A5V
R1172S121A-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A1.2V
R1172S121D5-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6-J 1A1.2V
R1172S151B-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A1.5V
R1172S161D-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A1.6V
R1172S301D-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A3V
R1172S321D-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6-J 1A3.2V
R1172S501B-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A5V
R1173D081D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A800mV
R1173D101B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A1V
R1173D181D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A1.8V
R1173D251B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A2.5V
R1173D281D5-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A2.8V
R1173D331B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A3.3V
R1173D451D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSON-6(2.8x2.9) 1A4.5V
R1173H001B-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A800mV~5V
R1173H081D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A800mV
R1173H101B-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A1V
R1173H181D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A1.8V
R1173H221D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A2.2V
R1173H251B-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A2.5V
R1173H331B-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A3.3V
R1173H331D-T1-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-89-5 1A3.3V
R1173S101B-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A1V
R1173S111D-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A1.1V
R1173S181D5-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A1.8V
R1173S181D-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A1.8V
R1173S261B-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A2.6V
R1173S301B-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A3V
R1173S301D-E2-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators HSOP-6J 1A3V

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Frequently asked questions

Is Ricoh Electronic Devices still in business?

Ricoh Electronic Devices (R1/R3/R5 LDOs, DC-DC converters and supervisors, RP/RN parts) merged with New Japan Radio in 2022 to form Nisshinbo Micro Devices.

Can I still buy Ricoh Electronic Devices parts?

Yes. PartnerSemi quotes Ricoh Electronic Devices part numbers, including obsolete and end-of-life parts and parts with old Ricoh Electronic Devices markings. Send the part number and quantity; we reply with price, lead time, date code and origin. We are an independent distributor, not an authorized Ricoh Electronic Devices or Nisshinbo Micro Devices distributor.

PartnerSemi is not affiliated with Ricoh Electronic Devices or Nisshinbo Micro Devices. Brand names are used to identify parts only.