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REF33xx Voltage References

Texas Instruments REF33xx Voltage References are precision, low-power, low-dropout, series voltage references available in SC70-3, SOT-23-3, and UQFN-8 packages. The REF33xx’s small size and low power consumption (5µA max) make them ideal for various portable and battery-powered applications. The Texas Instruments REF33xx can be operated at a supply voltage of 180mV above the specified output voltage under normal load conditions, except the REF3312, which has a minimum supply voltage of 1.7V. All models are specified for the wide temperature range of –40°C to +125°C.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Mounting Style	Package/Case	Reference Type	Output Voltage	Initial Accuracy	Temperature Coefficient	Series VREF - Input Voltage - Max	Shunt Current - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3330AIDCKR REF3330AIDCKT Texas Instruments 1: £2.17 908In Stock	Mfr. Part No. REF3330AIDCKT Mouser Part No 595-REF3330AIDCKT	Texas Instruments	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3330AIDCKR Learn More about Texas Instruments ti ref33xx voltage references	Datasheet	908In Stock	Cut Tape £2.17 £1.63 £1.48 £1.34 Reel £1.20 View £1.18 £1.08 MouseReel Available	Min.: 1 Mult.: 1 : 250			SMD/SMT	SC-70-3	Series References	3 V	0.15 %	30 PPM / C	5.5 V	5 mA	- 40 C	+ 125 C	REF3330	Reel, Cut Tape, MouseReel
	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3333AIDCKR REF3333AIDCKT Texas Instruments 1: £2.11 452In Stock	Mfr. Part No. REF3333AIDCKT Mouser Part No 595-REF3333AIDCKT	Texas Instruments	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3333AIDCKR Learn More about Texas Instruments ti ref33xx voltage references	Datasheet	452In Stock	Cut Tape £2.11 £1.58 £1.44 £1.30 Reel £1.26 View £1.20 £1.15 £1.13 £1.12 MouseReel Available	Min.: 1 Mult.: 1 : 250			SMD/SMT	SC-70-3	Series References	3.3 V	0.15 %	30 PPM / C	5.5 V	5 mA	- 40 C	+ 125 C	REF3333	Reel, Cut Tape, MouseReel
	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3312AIDCKT REF3312AIDCKR Texas Instruments 1: £1.59 131In Stock 42,000On Order	Mfr. Part No. REF3312AIDCKR Mouser Part No 595-REF3312AIDCKR	Texas Instruments	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3312AIDCKT Learn More about Texas Instruments ti ref33xx voltage references	Datasheet	131In Stock 42,000On Order On Order Ship Dates Mfr. No: REF3312AIDCKR Stock: 131 Can Dispatch Immediately On Order: 18,000 Expected 18/02/2027 24,000 Expected 01/04/2027 Factory Lead Time: 20 Weeks	Cut Tape £1.59 £1.18 £1.05 £0.969 Reel £0.811 View £0.917 £0.882 £0.863 £0.796 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	SC-70-3	Series References	1.25 V	0.15 %	30 PPM / C	5.5 V	5 mA	- 40 C	+ 125 C	REF3312	Reel, Cut Tape, MouseReel
	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3325AIDBZT REF3325AIDBZR Texas Instruments 1: £1.50 1,033In Stock 6,000Expected 10/12/2026	Mfr. Part No. REF3325AIDBZR Mouser Part No 595-REF3325AIDBZR	Texas Instruments	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3325AIDBZT Learn More about Texas Instruments ti ref33xx voltage references	Datasheet	1,033In Stock 6,000Expected 10/12/2026	Cut Tape £1.50 £1.11 £1.01 £0.899 Reel £0.759 View £0.849 £0.818 £0.803 £0.743 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	SOT-23-3	Series References	2.5 V	0.15 %	30 PPM / C	5.5 V	5 mA	- 40 C	+ 125 C	REF3325	Reel, Cut Tape, MouseReel
	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3312AIDBZT REF3312AIDBZR Texas Instruments 1: £1.71 11,164On Order	Mfr. Part No. REF3312AIDBZR Mouser Part No 595-REF3312AIDBZR	Texas Instruments	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3312AIDBZT Learn More about Texas Instruments ti ref33xx voltage references	Datasheet	11,164On Order On Order Ship Dates Mfr. No: REF3312AIDBZR Stock: 0 On Order: 5,164 Expected 25/02/2027 6,000 Expected 18/03/2027 Factory Lead Time: 20 Weeks	Cut Tape £1.71 £1.27 £1.15 £1.04 Reel £0.882 View £0.978 £0.943 £0.856 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	SOT-23-3	Series References	1.25 V	0.15 %	30 PPM / C	5.5 V	5 mA	- 40 C	+ 125 C	REF3312	Reel, Cut Tape, MouseReel
	Voltage References 30ppm/C Drift 3.9uA Vltg Ref ALT 595-REF ALT 595-REF3330AIDBZR REF3330AIDBZRG4 Texas Instruments 1: £1.94 Non-Stocked Lead-Time 20 Weeks New Product	Mfr. Part No. REF3330AIDBZRG4 Mouser Part No 595-REF3330AIDBZRG4 New Product	Texas Instruments	Voltage References 30ppm/C Drift 3.9uA Vltg Ref ALT 595-REF ALT 595-REF3330AIDBZR Learn More about Texas Instruments ti ref33xx voltage references	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape £1.94 £1.43 £1.32 £1.17 View Reel £0.934 £1.11 £1.10 £0.934	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	SOT-23-3	Series References	3 V	0.15 %	30 PPM / C	5.5 V	5 mA	- 40 C	+ 125 C	REF3330	Reel, Cut Tape