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
MIC5398-P4YMX-T5 Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5398-P4YMX-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators X2DFN-8(1.2x1.6) 300mA1.2V, 3V
MIC5399-GMYMT-T5 Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-GMYMT-TR Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-GMYMX-T5 Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-GMYMX-TR Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-MMYMT-T5 Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-MMYMT-TR Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-MMYMX-T5 Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-MMYMX-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators X2DFN-8(1.2x1.6) 300mA2.8V
MIC5399-SGYMX-T5 Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-SGYMX-TR Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-SMYMT-T5 Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-SMYMT-TR Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-SMYMX-T5 Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators X2DFN-8(1.2x1.6) 300mA2.8V, 3.3V
MIC5399-SMYMX-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators X2DFN-8(1.2x1.6) 300mA2.8V, 3.3V
MIC5399-SSYMX-T5 Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5399-SSYMX-TR Microchip Technology Power Management - Specialized XDFN-8-EP(1.2x1.6)
MIC5400YWM Microchip Technology LED Drivers SOIC-28-300mil 30mA4.75V~5.5V
MIC5400YWM-TR Microchip Technology LED Drivers SOIC-28-300mil 30mA4.75V~5.5V
MIC5501-1.8YMT-T5 Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4-EP(1x1) 300mA1.8V
MIC5501-1.8YMT-TR Microchip Technology Linear Voltage Regulators (LDO) TDFN-4-EP(1x1) 300mA1.8V
MIC5501-1.8YMT-TZ Microchip Technology Linear Voltage Regulators (LDO) TDFN-4-EP(1x1) 1.8V5.5V
MIC5501-3.0YM5-T5 Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 300mA3V
MIC5501-3.0YM5-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 300mA3V
MIC5501-3.0YMT-T5 Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4-EP(1x1) 300mA3V
MIC5501-3.0YMT-TR Microchip Technology Linear Voltage Regulators (LDO) TDFN-4-EP(1x1) 3V5.5V
MIC5501-3.0YMT-TZ Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4-EP(1x1) 3V5.5V
MIC5502-1.8YMT-T5 Microchip Technology Power Management - Specialized UDFN-4(1x1)
MIC5502-1.8YMT-TR Microchip Technology Linear Voltage Regulators (LDO) TDFN-4-EP(1x1) 1.8V5.5V
MIC5502-1.8YMT-TZ Microchip Technology Linear Voltage Regulators (LDO) TDFN-4-EP(1x1) 1.8V5.5V
MIC5502-2.8YMT-T5 Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4-EP(1x1) 300mA2.8V
MIC5502-2.8YMT-TR Microchip Technology Linear Voltage Regulators (LDO) TDFN-4-EP(1x1) 2.8V5.5V
MIC5502-2.8YMT-TZ Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4-EP(1x1) 2.8V5.5V
MIC5503-1.8YMT-T5 Microchip Technology Power Management - Specialized UTDFN-4-EP(1x1)
MIC5503-1.8YMT-TR Microchip Technology Linear Voltage Regulators (LDO) TDFN-4-EP(1x1) 1.8V5.5V
MIC5503-1.8YMT-TZ Microchip Technology Linear Voltage Regulators (LDO) TDFN-4-EP(1x1) 1.8V5.5V
MIC5504-1.2YM5-T5 Microchip Technology Power Management - Specialized SOT-23-5
MIC5504-1.2YM5-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 300mA1.2V
MIC5504-1.2YMT-T5 Microchip Technology Power Management - Specialized DFN-4-EP(1x1)
MIC5504-1.2YMT-TZ Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4-EP(1x1) 300mA1.2V
MIC5504-1.8YM5-T5 Microchip Technology Power Management - Specialized SOT-23-5
MIC5504-1.8YM5-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 300mA1.8V
MIC5504-1.8YMT-T5 Microchip Technology Power Management - Specialized DFN-4-EP(1x1)
MIC5504-1.8YMT-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4-EP(1x1) 300mA1.8V
MIC5504-1.8YMT-TZ Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4-EP(1x1) 1.8V5.5V
MIC5504-2.2YMT-T5 Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4-EP(1x1) 300mA2.2V
MIC5504-2.2YMT-TR Microchip Technology Linear Voltage Regulators (LDO) TDFN-4(1x1) 300mA2.2V
MIC5504-2.2YMT-TZ Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4(1x1) 300mA2.2V
MIC5504-2.5YM5-T5 Microchip Technology Power Management - Specialized SOT-23-5
MIC5504-2.5YM5-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 300mA2.5V
MIC5504-2.5YMT-T5 Microchip Technology Power Management - Specialized DFN-4-EP(1x1)
MIC5504-2.5YMT-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4-EP(1x1) 300mA2.5V
MIC5504-2.5YMT-TZ Microchip Technology Linear Voltage Regulators (LDO) TDFN-4(1x1)
MIC5504-2.8YM5-T5 Microchip Technology Power Management - Specialized SOT-23-5
MIC5504-2.8YM5-TR Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 300mA2.8V
MIC5504-2.8YMT-T5 Microchip Technology Power Management - Specialized UDFN-4(1x1)
MIC5504-2.8YMT-TZ Microchip Technology Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TDFN-4(1x1) 300mA2.8V
MIC5504-3.0YMT-T5 Microchip Technology Power Management - Specialized DFN-4-EP(1x1)
MIC5504-3.0YMT-TR Microchip Technology Linear Voltage Regulators (LDO) TDFN-4-EP(1x1) 300mA3V

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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.