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
LM4040C82ILPR Texas Instruments Voltage Reference TO-92-3 15mA8.192V
LM4040CEM3-2.5/NOPB Texas Instruments Voltage Reference SOT-23 15mA2.5V
LM4040CEM3-5.0/NOPB Texas Instruments Voltage Reference SOT-23 15mA5V
LM4040CIM3-10.0/NOPB Texas Instruments Voltage Reference SOT-23-3 15mA10V
LM4040CIM3-2.5/NOPB Texas Instruments Voltage Reference SOT-23 15mA2.5V
LM4040CIM3-3.0/NOPB Texas Instruments Voltage Reference SOT-23 15mA3V
LM4040CIM3-4.1/NOPB Texas Instruments Voltage Reference SOT-23-3 15mA4.096V
LM4040CIM3-5.0 Texas Instruments Voltage Reference SOT-23 15mA5V
LM4040CIM3-5.0/NOPB Texas Instruments Voltage Reference SOT-23-3 15mA5V
LM4040CIM3-8.2/NOPB Texas Instruments Voltage Reference SOT-23-3 15mA8.192V
LM4040CIM3X-2.5/NOPB Texas Instruments Voltage Reference SOT-23-3 15mA2.5V
LM4040D20IDBZR Texas Instruments Voltage References SOT-23-3 15mA2.048V
LM4040D25IDBZR Texas Instruments Voltage Reference SOT-23 15mA2.5V
LM4040D25IDCKR Texas Instruments Voltage Reference SC-70-5 15mA2.5V
LM4040D30IDBZR Texas Instruments Voltage Reference SOT-23 15mA3V
LM4040D30IDBZT Texas Instruments Voltage Reference SOT-23 15mA3V
LM4040D30IDCKR Texas Instruments Voltage Reference SC-70-5 15mA3V
LM4040D50IDBZR Texas Instruments Voltage Reference SOT-23 15mA5V
LM4040D50IDCKR Texas Instruments Voltage Reference SC-70-5 15mA5V
LM4040DEM3-5.0/NOPB Texas Instruments Voltage Reference SOT-23 15mA5V
LM4040DIM3-10.0/NOPB Texas Instruments Voltage Reference SOT-23 15mA10V
LM4040DIM3-2.5/NOPB Texas Instruments Voltage Reference SOT-23 15mA2.5V
LM4040DIM3-4.1/NOPB Texas Instruments Voltage Reference SOT-23 15mA4.1V
LM4040DIM3-5.0/NOPB Texas Instruments Voltage Reference SOT-23-3 15mA5V
LM4040DIM3X-5.0/NOPB Texas Instruments Voltage Reference SOT-23 15mA5V
LM4040DIM7-2.5/NOPB Texas Instruments Voltage Reference SC-70-5 15mA2.5V
LM4040DIZ-5.0/NOPB Texas Instruments Voltage Reference TO-92-3 15mA5V
LM4040EEM3-2.5/NOPB Texas Instruments Voltage Reference SOT-23 15mA2.5V
LM4040EIM3-2.5/NOPB Texas Instruments Voltage Reference SOT-23-3 15mA2.5V
LM4040QAIM3X2.5/NOPB Texas Instruments Voltage Reference SOT-23 15mA2.5V
LM4040QDEM3-3.0/NOPB Texas Instruments Voltage Reference SOT-23-3 15mA3V
LM4040QEIM3X2.5/NOPB Texas Instruments Voltage Reference SOT-23 15mA2.5V
LM4041A12 Texas Instruments supervisor / reference IC
LM4041A12IDBZR Texas Instruments Voltage Reference SOT-23 12mA1.225V
LM4041AIM3-1.2/NOPB Texas Instruments Voltage Reference SOT-23-3 12mA1.225V
LM4041AIM3X-1.2/NOPB Texas Instruments Voltage Reference SOT-23-3 12mA1.225V
LM4041B Texas Instruments supervisor / reference IC
LM4041BIDBZR Texas Instruments Voltage Reference SOT-23 12mA1.233V~10V
LM4041BIDBZT Texas Instruments Voltage Reference SOT-23-3 12mA1.225V
LM4041BIM3-1.2/NOPB Texas Instruments Voltage Reference SOT-23 12mA1.225V
LM4041BIM3X-1.2/NOPB Texas Instruments Voltage Reference SOT-23 12mA1.225V
LM4041C Texas Instruments supervisor / reference IC
LM4041C12 Texas Instruments supervisor / reference IC
LM4041C12IDBZR Texas Instruments Voltage Reference SOT-23 12mA1.225V
LM4041C12IDCKR Texas Instruments Voltage Reference SC-70-5 12mA1.225V
LM4041C12QDBZR Texas Instruments Voltage Reference SOT-23 12mA1.225V
LM4041CEM3-ADJ/NOPB Texas Instruments Voltage Reference SOT-23 12mA1.24V~10V
LM4041CIDBZR Texas Instruments Voltage Reference SOT-23 12mA1.225V
LM4041CIM3-1.2/NOPB Texas Instruments Voltage Reference SOT-23 12mA1.225V
LM4041CIM3-ADJ/NOPB Texas Instruments Voltage Reference SOT-23-3 12mA1.24V~10V
LM4041CIM3X-ADJ/NOPB Texas Instruments Voltage Reference SOT-23 12mA1.24V~10V
LM4041CIM7-1.2/NOPB Texas Instruments Voltage Reference SC-70-5 12mA1.225V
LM4041CIM7-ADJ/NOPB Texas Instruments Voltage Reference SC-70-5 12mA1.24V~10V
LM4041CIM7X-1.2/NOPB Texas Instruments Voltage Reference SC-70-5 12mA1.225V
LM4041CQDBZR Texas Instruments Voltage Reference SOT-23 12mA1.233V~10V
LM4041D Texas Instruments supervisor / reference IC
LM4041D12 Texas Instruments supervisor / reference IC
LM4041D12IDBZR Texas Instruments Voltage Reference SOT-23 12mA1.225V
LM4041DEM3-1.2/NOPB Texas Instruments Voltage Reference SOT-23 12mA1.225V
LM4041DEM3-ADJ/NOPB Texas Instruments Voltage Reference SOT-23 12mA1.233V~10V

Request a quote for National Semiconductor parts

Not listed? Most older National Semiconductor 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 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.