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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 (SGD) 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-REF3325AIDCKT REF3325AIDCKR Texas Instruments 1: $3.03 198In Stock 54,000On Order	Mfr. Part No. REF3325AIDCKR Mouser Part No 595-REF3325AIDCKR	Texas Instruments	Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3325AIDCKT Learn More about Texas Instruments ti ref33xx voltage references	Datasheet	198In Stock 54,000On Order On Order Ship Dates Mfr. No: REF3325AIDCKR Stock: 198 Can Dispatch Immediately On Order: 21,000 Expected 18/12/2026 33,000 Expected 4/2/2027 Factory Lead Time: 12 Weeks	Cut Tape $3.03 $2.24 $2.04 $1.82 Reel $1.56 View $1.73 $1.67 $1.63 $1.54 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	SC-70-3	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-REF3333AIDCKR REF3333AIDCKT Texas Instruments 1: $3.82 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 $3.82 $2.86 $2.61 $2.35 Reel $2.27 View $2.19 $2.09 $2.05 $2.03 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: $2.88 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 18/2/2027 24,000 Expected 8/3/2027 Factory Lead Time: 20 Weeks	Cut Tape $2.88 $2.14 $1.90 $1.75 Reel $1.47 View $1.66 $1.60 $1.56 $1.44 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: $2.72 1,035In 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	1,035In Stock 6,000Expected 10/12/2026	Cut Tape $2.72 $2.01 $1.84 $1.63 Reel $1.37 View $1.54 $1.48 $1.46 $1.35 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: $3.10 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 25/2/2027 6,000 Expected 18/3/2027 Factory Lead Time: 20 Weeks	Cut Tape $3.10 $2.30 $2.09 $1.88 Reel $1.59 View $1.77 $1.71 $1.55 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: $3.51 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 $3.51 $2.60 $2.38 $2.12 View Reel $1.69 $2.01 $2.00 $1.69	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