Micrel part numbers

Micrel (MIC power and LDO regulators, KSZ Ethernet switches and PHYs, SY clock and timing) was acquired by Microchip Technology in 2015.

Micrel is now Microchip Technology (2015). We quote Micrel parts — current, obsolete and end-of-life — and parts that carry older Micrel markings. See also all Microchip Technology part numbers.

5,038 Micrel heritage part numbers

Part-number families from Micrel, listed under their current manufacturer.

Part numberManufacturerTypePackageKey specs
MIC39501-2.5WT Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-220-5 5A2.5V
MIC39501-2.5WU Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-5 5A2.5V
MIC39501-2.5WU-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-5 5A2.5V
MIC3975-1.65YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA1.65V
MIC3975-1.65YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA1.65V
MIC3975-1.8YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA1.8V
MIC3975-1.8YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA1.8V
MIC3975-2.5YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA2.5V
MIC3975-2.5YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA2.5V
MIC3975-3.0BMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA3V
MIC3975-3.0YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA3V
MIC3975-3.0YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA3V
MIC3975-3.3YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA3.3V
MIC3975-3.3YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA3.3V
MIC3975-5.0BMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA5V
MIC3975-5.0YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA5V
MIC3975-5.0YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA5V
MIC3975YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA1.24V~16V
MIC3975YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 750mA1.24V~16V
MIC4043BM4 TR Microchip Technology Power Management - Specialized SOT-143
MIC4043YM4-TR Microchip Technology Voltage Reference SOT-143 35uA-40°C~+85°C
MIC4100YM Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4100YM-TR Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4101BM Microchip Technology Gate Drivers SOIC-8 9V~16V-40°C~+125°C
MIC4101BM-TR Microchip Technology Gate Drivers SOIC-8 9V~16V-40°C~+125°C
MIC4101YM Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4101YM-TR Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4102BM-TR Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4102YM Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4102YM-TR Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4103YM Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4103YM-TR Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4104YM Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4104YM-TR Microchip Technology Gate Drivers SOIC-8 9V~16V2A
MIC4120YME Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V6A
MIC4120YME-TR Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V6A
MIC4123YME Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V3A
MIC4123YME-TR Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V3A
MIC4123YML-TR Microchip Technology Gate Drive ICs VDFN-8-EP(4x4) 4.5V~20V3A
MIC4124YME Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V3A
MIC4124YME-TR Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V3A
MIC4124YML-TR Microchip Technology Gate Drivers MLF-8 4.5V~20V3A
MIC4125YME Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V3A
MIC4125YME-TR Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V3A
MIC4125YML-TR Microchip Technology Gate Drive ICs VDFN-8-EP(4x4) 4.5V~20V3A
MIC4126YME Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V1.5A
MIC4126YME-TR Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V1.5A
MIC4126YML-TR Microchip Technology Gate Drivers MLF-8 4.5V~20V1.5A
MIC4126YMME Microchip Technology Gate Drivers MSOP-8-EP 4.5V~20V1.5A
MIC4126YMME-TR Microchip Technology Gate Drivers MSOP-8-EP 4.5V~20V1.5A
MIC4127YME Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V1.5A
MIC4127YME-TR Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V1.5A
MIC4127YML-TR Microchip Technology Gate Drivers DFN-8-EP(3x3) 4.5V~20V1.5A
MIC4127YMME Microchip Technology Gate Drivers MSOP-8-EP 4.5V~20V1.5A
MIC4127YMME-TR Microchip Technology Gate Drivers MSOP-8-EP 4.5V~20V1.5A
MIC4128YME Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V1.5A
MIC4128YME-TR Microchip Technology Gate Drivers SOIC-8-EP 4.5V~20V1.5A
MIC4128YML-TR Microchip Technology Gate Drivers VDFN-8(3x3) 4.5V~20V1.5A
MIC4128YMME Microchip Technology Gate Drivers MSOP-8 4.5V~20V1.5A
MIC4128YMME-TR Microchip Technology Gate Drivers MSOP-8 4.5V~20V1.5A

Request a quote for Micrel parts

Not listed? Most older Micrel part numbers are not in any online catalog. Send them anyway.

We reply by email, usually within one business day. Your details are used only to handle this request (privacy).

Frequently asked questions

Is Micrel still in business?

Micrel (MIC power and LDO regulators, KSZ Ethernet switches and PHYs, SY clock and timing) was acquired by Microchip Technology in 2015.

Can I still buy Micrel parts?

Yes. PartnerSemi quotes Micrel part numbers, including obsolete and end-of-life parts and parts with old Micrel 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 Micrel or Microchip Technology distributor.

PartnerSemi is not affiliated with Micrel or Microchip Technology. Brand names are used to identify parts only.