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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Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3320AIDBZR
Datasheet
2.131In Stock
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SMD/SMT SOT-23-3 Series References 2.048 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3320 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3320AIDBZT
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SMD/SMT SOT-23-3 Series References 2.048 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3320 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Voltage Reference
Datasheet
4.268In Stock
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: 5.000

SMD/SMT UQFN-8 Series References 3 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3330 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3320AIDCKR
Datasheet
8.170In Stock
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: 250

SMD/SMT SC-70-3 Series References 2.048 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3320 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 1.25-V 30-ppm/C dri ft 3.9-uA 3-pin SO A A 595-REF3312AIRSER
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3.874In Stock
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: 250

SMD/SMT UQFN-8 Series Precision References 1.25 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3312 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3333AIDBZR
Datasheet
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2.048In Stock
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SMD/SMT SOT-23-3 Series References 3.3 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3333 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3318AIDBZT
Datasheet
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173In Stock
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: 250

SMD/SMT SOT-23-3 Series References 1.8 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3318 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3312AIDBZR
Datasheet
1.131In Stock
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: 250

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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3312AIDCKR
Datasheet
4.090In Stock
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: 250

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
Texas Instruments Voltage References 1.25-V 30-ppm/C dri ft 3.9-uA 3-pin SO A A 595-REF3312AIRSET
Datasheet
1.894In Stock
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: 5.000

SMD/SMT UQFN-8 Series Precision References 1.25 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3312 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3320AIDCKT
Datasheet
2.421In Stock
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Mult.: 1
: 3.000

SMD/SMT SC-70-3 Series References 2.048 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3320 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3325AIDCKR
Datasheet
3.923In Stock
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Mult.: 1
: 250

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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3330AIDCKT
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6.140In Stock
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: 3.000

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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3330AIDCKR
Datasheet
1.145In Stock
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: 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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3333AIDBZT
Datasheet
6.604In Stock
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: 3.000

SMD/SMT SOT-23-3 Series References 3.3 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3333 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3333AIDBZR
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6.921In Stock
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: 250

SMD/SMT SOT-23-3 Series References 3.3 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3333 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref
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2.726In Stock
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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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3312AIDBZT
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4.757In Stock
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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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3312AIDCKT
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12.481In Stock
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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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3318AIDBZT
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3.029In Stock
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SMD/SMT SOT-23-3 Series References 1.8 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3318 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3318AIDCKT
Datasheet
5.143In Stock
8.730On Order
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Min.: 1
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: 3.000

SMD/SMT SC-70-3 Series References 1.8 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3318 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3325AIDBZT
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3.848In Stock
6.000Expected 18/12/2026
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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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref
Datasheet
7.673In Stock
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: 5.000

SMD/SMT UQFN-8 Series Precision References 2.5 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3325 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3318AIDBZR
Datasheet
49In Stock
1.750Expected 03/09/2026
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: 250

SMD/SMT SOT-23-3 Series References 1.8 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3318 Reel, Cut Tape, MouseReel
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3318AIDCKR
Datasheet
240In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

SMD/SMT SC-70-3 Series References 1.8 V 0.15 % 30 PPM / C 5.5 V 5 mA - 40 C + 125 C REF3318 Reel, Cut Tape, MouseReel