National Semiconductor part numbers

National Semiconductor (LM op amps and regulators, LMV/LMH/LMP amplifiers, LP power ICs, DS90 LVDS, DP83 Ethernet PHYs, ADC08/ADC12 converters) was acquired by Texas Instruments in 2011.

National Semiconductor is now Texas Instruments (2011). We quote National Semiconductor parts — current, obsolete and end-of-life — and parts that carry older National Semiconductor markings. See also all Texas Instruments part numbers.

5,372 National Semiconductor heritage part numbers

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

Part numberManufacturerTypePackageKey specs
LMR38020-Q1 Texas Instruments DC-DC converter IC
LMR38020SQDDARQ1 Texas Instruments DC-DC Converters HSOIC-8 200kHz~2.2MHz2A
LMR38025 Texas Instruments DC-DC converter IC
LMR38025-Q1 Texas Instruments DC-DC converter IC
LMR38025SQDRRRQ1 Texas Instruments DC-DC Converters WSON-12-EP(3x3) 525kHz2.5A
LMR43606-Q1 Texas Instruments DC-DC converter IC
LMR43610 Texas Instruments DC-DC converter IC
LMR43610-Q1 Texas Instruments DC-DC converter IC
LMR43610R3RPER Texas Instruments DC-DC Converters VQFN-9-HR(2x2) 200kHz~2.2MHz1A
LMR43620 Texas Instruments DC-DC converter IC
LMR43620MSC5RPERQ1 Texas Instruments DC-DC Converters VQFN-9-HR(2x2) 2.2MHz2A
LMR43620-Q1 Texas Instruments DC-DC converter IC
LMR43620RS3QRPERQ1 Texas Instruments DC-DC Converters VQFN-9-HR(2x2) 2.2MHz2A
LMR50410 Texas Instruments DC-DC converter IC
LMR50410-Q1 Texas Instruments DC-DC converter IC
LMR51403 Texas Instruments DC-DC converter IC
LMR51406 Texas Instruments DC-DC converter IC
LMR51410 Texas Instruments DC-DC converter IC
LMR51420 Texas Instruments DC-DC converter IC
LMR51420YFDDCR Texas Instruments DC-DC Converters SOT-23-6 1.1MHz2A
LMR51425 Texas Instruments DC-DC converter IC
LMR51425-Q1 Texas Instruments DC-DC converter IC
LMR51430 Texas Instruments DC-DC converter IC
LMR51435 Texas Instruments DC-DC converter IC
LMR51435-Q1 Texas Instruments DC-DC converter IC
LMR51440 Texas Instruments DC-DC converter IC
LMR51440-Q1 Texas Instruments DC-DC converter IC
LMR51450 Texas Instruments DC-DC converter IC
LMR51450-Q1 Texas Instruments DC-DC converter IC
LMR51450SDRRR Texas Instruments DC-DC Converters WSON-12(3x3) 1.1MHz5A
LMR51460-Q1 Texas Instruments DC-DC converter IC
LMR51603 Texas Instruments DC-DC converter IC
LMR51603-Q1 Texas Instruments DC-DC converter IC
LMR51606 Texas Instruments DC-DC converter IC
LMR51606-Q1 Texas Instruments DC-DC converter IC
LMR51610 Texas Instruments DC-DC converter IC
LMR51610-Q1 Texas Instruments DC-DC converter IC
LMR51610XDBVR Texas Instruments DC-DC Converters SOT-23 400kHz1A
LMR51625 Texas Instruments DC-DC converter IC
LMR51635 Texas Instruments DC-DC converter IC
LMR54406 Texas Instruments DC-DC converter IC
LMR54410 Texas Instruments DC-DC converter IC
LMR60406-Q1 Texas Instruments DC-DC converter IC
LMR60410 Texas Instruments DC-DC converter IC
LMR60410-Q1 Texas Instruments DC-DC converter IC
LMR60420 Texas Instruments DC-DC converter IC
LMR60420-Q1 Texas Instruments DC-DC converter IC
LMR60430-Q1 Texas Instruments DC-DC converter IC
LMR60440 Texas Instruments DC-DC converter IC
LMR60440-Q1 Texas Instruments DC-DC converter IC
LMR60450-Q1 Texas Instruments DC-DC converter IC
LMR60460-Q1 Texas Instruments DC-DC converter IC
LMR61428 Texas Instruments DC-DC converter IC
LMR61430-Q1 Texas Instruments DC-DC converter IC
LMR61440-Q1 Texas Instruments DC-DC converter IC
LMR62014 Texas Instruments DC-DC converter IC
LMR62014XMF/NOPB Texas Instruments DC-DC Converters SOT-23-5 1.6MHz2A
LMR62014XMFX/NOPB Texas Instruments DC-DC Converters SOT-23-5 1.6MHz1.4A
LMR62421 Texas Instruments DC-DC converter IC
LMR62421XMF/NOPB Texas Instruments DC-DC Converters SOT-23-5 1.6MHz2.1A

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Frequently asked questions

Is National Semiconductor still in business?

National Semiconductor (LM op amps and regulators, LMV/LMH/LMP amplifiers, LP power ICs, DS90 LVDS, DP83 Ethernet PHYs, ADC08/ADC12 converters) was acquired by Texas Instruments in 2011.

Can I still buy National Semiconductor parts?

Yes. PartnerSemi quotes National Semiconductor part numbers, including obsolete and end-of-life parts and parts with old National Semiconductor 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 National Semiconductor or Texas Instruments distributor.

PartnerSemi is not affiliated with National Semiconductor or Texas Instruments. Brand names are used to identify parts only.