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
MIC5236-5.0YM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 150mA5V
MIC5236YM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 150mA1.24V~20V
MIC5236YMM Microchip Technology Power Management - Specialized MSOP-8 150mA2.3V~30V
MIC5236YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 150mA1.24V~20V
MIC5236YM-TR Microchip Technology Power Management - Specialized SOIC-8 150mA2.3V~30V
MIC5237-2.5YU Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 500mA2.5V
MIC5237-2.5YU-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 500mA2.5V
MIC5237-3.3BUTR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 500mA3.3V
MIC5237-3.3YU Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 500mA3.3V
MIC5237-3.3YU-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 500mA3.3V
MIC5237-5.0BUTR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 500mA5V
MIC5237-5.0YT Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-220 500mA5V
MIC5237-5.0YU Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 500mA5V
MIC5237-5.0YU-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 500mA5V
MIC5238-1.0YD5-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TSOT-23-5 150mA1V
MIC5238-1.1YD5-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TSOT-23-5 150mA1.1V
MIC5238-1.2YD5-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TSOT-23-5 150mA6V
MIC5238-1.3YD5-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TSOT-23-5 150mA1.3V
MIC5238-1.3YM5-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA1.3V
MIC5239-1.5YM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 500mA1.5V
MIC5239-1.5YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA1.5V
MIC5239-1.5YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA1.5V
MIC5239-1.5YM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SO-8 500mA1.5V
MIC5239-1.5YS Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 500mA1.5V
MIC5239-1.5YS-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 500mA1.24V~20V, 1.5V
MIC5239-1.8BMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA1.8V
MIC5239-1.8YM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 500mA1.8V
MIC5239-1.8YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA1.8V
MIC5239-1.8YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA1.8V
MIC5239-1.8YM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 500mA1.8V
MIC5239-1.8YS Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 500mA1.8V
MIC5239-1.8YS-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 500mA1.8V
MIC5239-2.5YM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 500mA2.5V
MIC5239-2.5YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA2.5V
MIC5239-2.5YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA2.5V
MIC5239-2.5YM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 500mA2.5V
MIC5239-2.5YS Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-3 500mA2.5V
MIC5239-2.5YS-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 500mA2.5V
MIC5239-3.0BMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA3V
MIC5239-3.0YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA3V
MIC5239-3.0YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA3V
MIC5239-3.0YS Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 500mA3V
MIC5239-3.0YS-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-3 500mA3V
MIC5239-3.3YM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 500mA3.3V
MIC5239-3.3YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA3.3V
MIC5239-3.3YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA3.3V
MIC5239-3.3YM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 500mA3.3V
MIC5239-3.3YS Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-3 500mA3.3V
MIC5239-3.3YS-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-3 500mA3.3V
MIC5239-5.0BS TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-3 500mA5V
MIC5239-5.0YM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 500mA5V
MIC5239-5.0YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA5V
MIC5239-5.0YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA5V
MIC5239-5.0YM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 500mA5V
MIC5239-5.0YS Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223-3 500mA5V
MIC5239-5.0YS-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 500mA5V
MIC5239YM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 500mA1.24V~20V
MIC5239YMM Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA1.24V~20V
MIC5239YMM-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators MSOP-8 500mA1.24V~20V
MIC5239YM-TR Microchip Technology Power Management - Specialized SOIC-8 500mA2.3V~30V

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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.