USF300 Ultra-Stable Low TC Film Resistors

Caddock USF300 Ultra-Stable Low TC Film Resistors were developed for high-performance analog electronics. Utilizing Caddock proprietary resistance film systems, the Type USF300 resistors provide the lowest TC with a wide resistance range and high voltage ratings.The 300 series boasts a resistance range of 50Ω to 25MΩ with temperature coefficients from -40°C to +85°C (referenced to +25°C), and Zero Nominal TC (maximum absolute TC 5ppm/°C). The resistors' tolerance is ±0.01% or ±0.10%. The USF resistors are constructed with an aluminum oxide ceramic sandwich that provides great thermal conductivity and minimizes the power coefficient drift.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Resistance
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Temperature Coefficient
Minimum Operating Temperature
Maximum Operating Temperature
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Type
Caddock Metal Film Resistors - Through Hole
Datasheet
140On Order
Min.: 1
Mult.: 1

USF300 20 MOhms 750 mW (3/4 W) 0.1 % 5 PPM / C - 40 C + 85 C 2.5 kV 38.1 mm Radial Bulk Precision Metal Film Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 25M Ohm .01% 5ppm 3/4W
Datasheet
140On Order
Min.: 1
Mult.: 1

USF300 25 MOhms 750 mW (3/4 W) 0.01 % 5 PPM / C - 40 C + 85 C 2.5 kV 38.1 mm Radial Bulk Precision Metal Film Resistors
Caddock Metal Film Resistors - Through Hole
Datasheet
400On Order
Min.: 1
Mult.: 1

USF300 25 MOhms 750 mW (3/4 W) 0.1 % 5 PPM / C - 40 C + 85 C 2.5 kV 38.1 mm Radial Bulk Precision Metal Film Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole
Datasheet
50Expected 9/24/2026
Min.: 1
Mult.: 1

USF300 500 kOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Precision Metal Film Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole
Datasheet
Lead-Time 18 Weeks
Min.: 1
Mult.: 1

USF300 10 kOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Precision Metal Film Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole
Datasheet
Lead-Time 18 Weeks
Min.: 1
Mult.: 1

USF300 200 kOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Precision Metal Film Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole
Datasheet
Lead-Time 18 Weeks
Min.: 1
Mult.: 1

USF300 2 MOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Resistors
Caddock Metal Film Resistors - Through Hole
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

USF300 2 MOhms 750 mW (3/4 W) 0.1 % 5 PPM / C - 40 C + 85 C 1.4 kV 38.1 mm Radial Bulk Precision Metal Film Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

USF300 5 MOhms 750 mW (3/4 W) 0.1 % 5 PPM / C - 40 C + 85 C 1.4 kV 38.1 mm Radial Bulk Precision Metal Film Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 9.99M ohm 0.01% 5ppm
Datasheet
Non-Stocked
Min.: 25
Mult.: 25

USF300 9.99 MOhms 750 mW (3/4 W) 0.01 % 5 PPM / C - 40 C + 85 C 1.4 kV 38.1 mm Radial Bulk Metal Film Resistors