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
RP173K331A-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1010-4 150mA3.3V
RP173K551A-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1010-4 150mA5.5V
RP173N251B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA2.5V
RP173N251D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA2.5V
RP173N361B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA3.6V
RP173N381D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA30dB@(1kHz)
RP173N401D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA4V
RP173N501A-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA5V
RP173N501D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA5V
RP173N551B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA5.5V
RP173N551D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA5.5V
RP173Q122D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SC-88A 150mA1.2V
RP173Q332B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SC-88A 150mA3.3V
RP173Q502B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SC-88A 150mA5V
RP173Q552A-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SC-88A 150mA5.5V
RP173Q552B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SC-88A 150mA5.5V
RP200K121B-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1212-6 300mA1.2V
RP200K121D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1212-6 300mA1.2V
RP200K211D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1212-6 300mA2.1V
RP200K351D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1212-6 300mA3.5V
RP200N281D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 300mA2.8V
RP200N311B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 300mA3.1V
RP200N331B-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 300mA3.3V
RP201K111D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1212-6 150mA1.1V
RP201K261D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1212-6 150mA2.6V
RP201K281D5-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1212-6 150mA2.8V
RP201K291D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1212-6 150mA2.9V
RP201K311B-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1212-6 150mA3.1V
RP201K311D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1212-6 150mA3.1V
RP202K121B-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1010-4 200mA1.2V
RP202K181B-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1010-4 200mA1.8V
RP202K191D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1010-4 200mA1.9V
RP202K291D5-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1010-4 200mA2.9V
RP202K311B-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1010-4 200mA3.1V
RP202K321D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1010-4 200mA3.2V
RP202K331D-TR Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DFN1010-4 200mA3.3V
RP202N121D5-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 200mA1.2V
RP202N181D-TR-FE Nisshinbo Micro Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 200mA1.8V
RP300K46DC-TR Nisshinbo Micro Devices Supervisor And Reset ICs DFN1010-4B 1-40°C~+85°C@(TA)
RP300N23DA2-TR-FE Nisshinbo Micro Devices Supervisor And Reset ICs SOT-23-5 1-40°C~+85°C@(TA)
RP300N27AC-TR-FE Nisshinbo Micro Devices Supervisor And Reset ICs SOT-23-5 1-40°C~+85°C@(TA)
RP300N30AC8-TR-FE Nisshinbo Micro Devices Supervisor And Reset ICs SOT-23-5 1-40°C~+85°C@(TA)
RP300N30DC8-TR-FE Nisshinbo Micro Devices Supervisor And Reset ICs SOT-23-5 1-40°C~+85°C@(TA)
RP300N46AA-TR-FE Nisshinbo Micro Devices Supervisor And Reset ICs SOT-23-5 1-40°C~+85°C@(TA)
RP400N181A-TR-FE Nisshinbo Micro Devices DC-DC Converters SOT-23-5 700kHz200mA
RP400N251B-TR-FE Nisshinbo Micro Devices DC-DC Converters SOT-23-5 700kHz600mA
RP400N331C-TR-FE Nisshinbo Micro Devices DC-DC Converters SOT-23-5 700kHz600mA
RP400N341B-TR-FE Nisshinbo Micro Devices DC-DC Converters SOT-23-5 700kHz600mA
RP401K501B-TR Nisshinbo Micro Devices DC-DC Converters DFN1820-6 1.2MHz500mA
RP401K521B-TR Nisshinbo Micro Devices DC-DC Converters DFN1820-6 1.2MHz500mA
RP401N551D-TR-FE Nisshinbo Micro Devices DC-DC Converters SOT-23-5 1.2MHz500mA
RP402K382A-TR Nisshinbo Micro Devices DC-DC Converters DFN2020-8 1.2MHz800mA
RP402N391E-TR-FE Nisshinbo Micro Devices DC-DC Converters SOT-23-5 1.2MHz800mA
RP500K284A-TR Nisshinbo Micro Devices DC-DC Converters DFN1820-6 1.2MHz900mA
RP500N141A-TR-FE Nisshinbo Micro Devices DC-DC Converters SOT-23-6W 1.2MHz900mA
RP503L121A-TR Nisshinbo Micro Devices DC-DC Converters DFN1616-6 2MHz600mA
RP504K111D-E2 Nisshinbo Micro Devices DC-DC Converters SOT-23-5 2.25MHz600mA
RP504K121D-TR Nisshinbo Micro Devices DC-DC Converters SOT-23-5 2.25MHz600mA
RP504N081C-TR-FE Nisshinbo Micro Devices DC-DC Converters SOT-23-5 2.25MHz600mA
RP505K111B-TR Nisshinbo Micro Devices DC-DC Converters DFN2020-8 2.25MHz1A

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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.