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
R5540K004D-TR Nisshinbo Micro Devices Power Distribution Switches DFN1010-4F 800mV~3.6V1
RN5RF13BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A1.35V
RN5RF15AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A1.5V
RN5RF16BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A1.6V
RN5RF20BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A2V
RN5RF24AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A2.4V
RN5RF27AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A2.7V
RN5RF28AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A2.85V
RN5RF29AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A2.9V
RN5RF29BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A2.9V
RN5RF30AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3V
RN5RF31BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3.1V
RN5RF32AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A1.2V~6V
RN5RF33AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3.3V
RN5RF33BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3.3V
RN5RF35BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3.5V
RN5RF36AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3.6V
RN5RF37AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3.7V
RN5RF37BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3.7V
RN5RF38AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A3.8V
RN5RF45AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A4.5V
RN5RF51AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A5.1V
RN5RF52AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 1A5.2V
RN5RK391A-TR-FE Nisshinbo Micro Devices DC-DC Converters SOT-23-5 100kHz3.9V
RN5RK551A-TR-FE Nisshinbo Micro Devices DC-DC Converters SOT-23-5 100kHz5.5V
RN5RL21AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 25mA2.1V
RN5RL22AA-TL-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 35mA2.2V
RN5RL29AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 25mA2.9V
RN5RL30AA-TL-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA3V
RN5RL30AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA3V
RN5RL31AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 35mA3.1V
RN5RL33AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 35mA3.3V
RN5RL37AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA3.7V
RN5RL40AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 65mA4V
RN5RL42AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 45mA4.2V
RN5RL46AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 65mA4.6V
RN5RL52AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 55mA5.2V
RN5RZ20BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA2V
RN5RZ25AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA2.5V
RN5RZ25BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA2.5V
RN5RZ29BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA2.9V
RN5RZ30AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3V
RN5RZ30BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3V
RN5RZ32AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3.2V
RN5RZ32BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3.2V
RN5RZ33BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3.3V
RN5RZ37BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3.75V
RN5RZ40AA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA4V
RN5RZ42BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA4.25V
RN5RZ44BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA4.4V
RN5RZ50BA-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA5V
RN5VD19AA-TR-FE Nisshinbo Micro Devices Supervisor And Reset ICs SOT-23-5 1-40°C~+85°C
RN5VD31AA-TR-FE Nisshinbo Micro Devices Supervisor And Reset ICs SOT-23-5 1-40°C~+85°C
RN5VD32AA-TR-FE Nisshinbo Micro Devices Supervisor And Reset ICs SOT-23-5 1-40°C~+85°C
RP100K121D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1612-4 200mA1.2V
RP100K191B-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1612-4 200mA1.9V
RP100K191D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1612-4 200mA1.9V
RP100K201B-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1612-4 200mA2V
RP100K201D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1612-4 200mA2V
RP100K211D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1612-4 200mA2.1V

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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.