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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Qty. RoHS ECAD Model Mounting Style
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Series VREF - Input Voltage - Max
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Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3330AIDBZR
Datasheet
7.027In Stock
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: 250

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, MouseReel
Texas Instruments Voltage References 1.25-V 30-ppm/C dri ft 3.9-uA 3-pin SO A A 595-REF3312AIRSET
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5.021In Stock
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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 1.25-V 30-ppm/C dri ft 3.9-uA 3-pin SO A A 595-REF3312AIRSER
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3.907In Stock
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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
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9.164In 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 A 595-REF33 A 595-REF3320AIDCKR
Datasheet
10.118In Stock
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Mult.: 1
: 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 30ppm/C Drift 3.9uA Vltg Ref
Datasheet
10.274In Stock
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Mult.: 1
: 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 ALT 595-REF ALT 595-REF3330AIDBZR
Datasheet
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3.000In Stock
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: 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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3333AIDBZR
Datasheet
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2.306In 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
Product Comments
247In 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-REF3325AIDCKT
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21.445In Stock
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: 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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3312AIDBZT
Datasheet
3.170In Stock
6.000Expected 23/04/2026
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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-REF3312AIDBZR
Datasheet
1.997In 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-REF3312AIDCKT
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2.650In Stock
6.000On Order
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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-REF3312AIDCKR
Datasheet
5.330In 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 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3318AIDCKT
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5.930In Stock
12.000On Order
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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-REF3320AIDBZR
Datasheet
2.448In Stock
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Mult.: 1
: 250

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-REF3320AIDCKT
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2.546In Stock
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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-REF3325AIDBZT
Datasheet
1.984In Stock
6.000Expected 31/07/2026
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: 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
Texas Instruments Voltage References 30ppm/C Drift 3.9uA Vltg Ref A 595-REF33 A 595-REF3325AIDBZR
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1.277In Stock
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: 250

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 A 595-REF33 A 595-REF3325AIDCKR
Datasheet
4.844In Stock
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: 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
Datasheet
4.928In Stock
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Mult.: 1
: 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
3.771In 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 Voltage Reference
Datasheet
5.417In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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-REF3333AIDBZT
Datasheet
5.872In Stock
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Max.: 330
: 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
Datasheet
1.672In Stock
3.000Expected 26/06/2026
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Min.: 1
Mult.: 1
Max.: 630
: 3.000

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