Voltage Reference

Use the filters and product table below to compare Voltage Reference components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Series	Packaging	Product Status	Reference Type	Output Type	Voltage - Output (Min/Fixed)	Voltage - Output (Max)	Current - Output	Tolerance	Temperature Coefficient	Noise - 0.1Hz to 10Hz	Noise - 10Hz to 10kHz	Voltage - Input	Current - Supply	Current - Cathode	Operating Temperature	Grade	Qualification	Mounting Type	Supplier Device Package
LM4041DEM3-1.2 LM4041 IMPROVED PRECISION MICROP National Semiconductor	520	-	RFQ	Datasheet	TO-236-3, SC-59, SOT-23-3	-	Bulk	Active	Shunt	Fixed	1.225V	-	12 mA	±1%	150ppm/°C	-	20µVrms	-	-	73 µA	-40°C ~ 125°C (TA)	-	-	Surface Mount	SOT-23-3
LM4051BIM3-1.2 LM4051 50PPM PER DEGREE CELSIUS National Semiconductor	2,000	-	RFQ	Datasheet	TO-236-3, SC-59, SOT-23-3	-	Bulk	Active	Shunt	Fixed	1.225V	-	12 mA	±0.2%	50ppm/°C	-	20µVrms	-	-	65 µA	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-3
LM285BXZ-2.5/NOPB LM285-2.5-N MICROPOWER VOLTAGE R National Semiconductor	2,233	-	RFQ	Datasheet	TO-226-3, TO-92-3 (TO-226AA)	-	Bulk	Active	Shunt	Fixed	2.5V	-	20 mA	±1.5%	30ppm/°C	-	120µVrms	-	-	20 µA	-40°C ~ 85°C (TA)	-	-	Through Hole	TO-92-3
LM4050QCEM3-2.0/NOPB IC VREF SHUNT 0.5% SOT23-3 National Semiconductor	19,000	-	RFQ	Datasheet	TO-236-3, SC-59, SOT-23-3	-	Bulk	Active	Shunt	Fixed	2.048V	-	15 mA	±0.5%	50ppm/°C	-	34µVrms	-	-	65 µA	-40°C ~ 125°C (TA)	Automotive	AEC-Q100	Surface Mount	SOT-23-3
LM285BXZ-1.2/LFT4 IC VREF SHUNT 1% TO92-3 National Semiconductor	1,864	-	RFQ	Datasheet	TO-226-3, TO-92-3 (TO-226AA)	-	Bulk	Active	Shunt	Fixed	1.235V	-	20 mA	±1%	30ppm/°C	-	60µVrms	-	-	10 µA	-40°C ~ 85°C (TA)	-	-	Through Hole	TO-92-3
LM4128DQ1MF4.1/NOPB LM4128-Q1 SOT-23 PRECISION MICRO National Semiconductor	21,437	-	RFQ	Datasheet	SC-74A, SOT-753	-	Bulk	Active	Series	Fixed	4.096V	-	20 mA	±1%	100ppm/°C	350µVp-p	-	4.496V ~ 5.5V	100µA	-	-40°C ~ 125°C (TJ)	Automotive	AEC-Q100	Surface Mount	SOT-23-5
LM4128DQ1MF2.0/NOPB LM4128-Q1 SOT-23 PRECISION MICRO National Semiconductor	1,197	-	RFQ	Datasheet	SC-74A, SOT-753	-	Bulk	Active	Series	Fixed	2.048V	-	20 mA	±1%	100ppm/°C	190µVp-p	-	2.448V ~ 5.5V	100µA	-	-40°C ~ 125°C (TJ)	Automotive	AEC-Q100	Surface Mount	SOT-23-5
LM4120IM5-1.8/NOPB LM4120 0.2% 50PPM/C DRIFT PRECIS National Semiconductor	298,144	-	RFQ	Datasheet	SC-74A, SOT-753	-	Bulk	Active	Series	Fixed	1.8V	-	5 mA	±0.5%	50ppm/°C	20µVp-p	36µVp-p	2V ~ 12V	275µA	-	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
LM4128DMF-4.1/NOPB LM4128 SOT-23 PRECISION MICROPOW National Semiconductor	2,593	-	RFQ	Datasheet	SC-74A, SOT-753	-	Bulk	Active	Series	Fixed	4.096V	-	20 mA	±1%	100ppm/°C	350µVp-p	-	4.496V ~ 5.5V	100µA	-	-40°C ~ 125°C (TJ)	-	-	Surface Mount	SOT-23-5
LM4120IM5-5.0/NOPB LM4120 0.2% 50PPM/C DRIFT PRECIS National Semiconductor	620	-	RFQ	Datasheet	SC-74A, SOT-753	-	Bulk	Active	Series	Fixed	5V	-	5 mA	±0.5%	50ppm/°C	20µVp-p	36µVp-p	2V ~ 12V	275µA	-	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5

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FREQUENTLY ASKED QUESTIONS

Voltage Reference FAQ

Common questions about filtering, comparing and sourcing Voltage Reference components.

How can I narrow the Voltage Reference selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Voltage Reference part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.