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.

Results: 34
Select Image Part # Mfr. Description Datasheet Availability Pricing (CHF) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Resistance Power Rating Tolerance Temperature Coefficient Minimum Operating Temperature Maximum Operating Temperature Voltage Rating Length Termination Style Packaging Product Type
Caddock Metal Film Resistors - Through Hole 181In Stock
200On Order
14.48 CHF
12.21 CHF
11.70 CHF
11.39 CHF
Min.: 1
Mult.: 1
USF300 10 MOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 271In Stock
34.11 CHF
25.92 CHF
23.37 CHF
23.08 CHF
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 Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 87In Stock
13.34 CHF
11.48 CHF
10.96 CHF
10.67 CHF
Min.: 1
Mult.: 1
USF300 5 MOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 100K ohm 0.01% 5ppm 148In Stock
15.73 CHF
13.36 CHF
12.80 CHF
11.97 CHF
11.82 CHF
Min.: 1
Mult.: 1
USF300 100 kOhms 330 mW (1/3 W) 0.01 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 107In Stock
23.26 CHF
20.22 CHF
19.52 CHF
19.10 CHF
Min.: 1
Mult.: 1
USF300 20 MOhms 330 mW (1/3 W) 0.01 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 154In Stock
16.68 CHF
14.16 CHF
13.57 CHF
13.24 CHF
Min.: 1
Mult.: 1
USF300 500 kOhms 330 mW (1/3 W) 0.01 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 88In Stock
600On Order
25.23 CHF
21.96 CHF
21.20 CHF
21.19 CHF
Min.: 1
Mult.: 1
USF300 10 MOhms 750 mW (3/4 W) 0.1 % 5 PPM / C - 40 C + 85 C 1.4 kV 38.1 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 1M ohm 0.01% 5ppm 69In Stock
100Expected 10/11/2026
29.14 CHF
25.66 CHF
24.85 CHF
24.37 CHF
Min.: 1
Mult.: 1
USF300 1 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 Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 5M ohm 0.01% 5ppm 61In Stock
46.98 CHF
37.88 CHF
36.16 CHF
35.14 CHF
Min.: 1
Mult.: 1
USF300 5 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 Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 25M Ohm .01% 5ppm 3/4W 140In Stock
150Expected 23/02/2027
41.01 CHF
36.71 CHF
35.73 CHF
35.15 CHF
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 Metal Film Precision Resistors
Caddock Metal Film Resistors - Through Hole 344In Stock
26.25 CHF
22.90 CHF
22.13 CHF
22.12 CHF
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 Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 50In Stock
9.43 CHF
7.73 CHF
7.34 CHF
7.10 CHF
Min.: 1
Mult.: 1
USF300 100 kOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 10K ohm 0.01% 5ppm 44In Stock
100Expected 25/01/2027
14.28 CHF
12.04 CHF
11.52 CHF
11.21 CHF
Min.: 1
Mult.: 1
USF300 10 kOhms 330 mW (1/3 W) 0.01 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 1M ohm 0.01% 5ppm 140In Stock
300Expected 29/01/2027
23.61 CHF
20.48 CHF
19.75 CHF
19.33 CHF
Min.: 1
Mult.: 1
USF300 1 MOhms 330 mW (1/3 W) 0.01 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 2In Stock
50Expected 04/01/2027
18.37 CHF
11.48 CHF
10.97 CHF
10.67 CHF
Min.: 1
Mult.: 1
USF300 1 MOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 42In Stock
8.36 CHF
6.80 CHF
6.45 CHF
6.23 CHF
Min.: 1
Mult.: 1
USF300 20 kOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 33In Stock
100Expected 08/02/2027
14.23 CHF
11.99 CHF
11.48 CHF
11.18 CHF
Min.: 1
Mult.: 1
USF300 20 MOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 49In Stock
9.73 CHF
7.97 CHF
7.57 CHF
7.33 CHF
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 Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 11In Stock
8.86 CHF
7.22 CHF
6.83 CHF
6.60 CHF
Min.: 1
Mult.: 1
USF300 50 kOhms 330 mW (1/3 W) 0.1 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 10In Stock
50Expected 23/02/2027
22.28 CHF
19.32 CHF
18.64 CHF
18.23 CHF
Min.: 1
Mult.: 1
USF300 2 MOhms 330 mW (1/3 W) 0.01 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 23In Stock
14.28 CHF
12.04 CHF
11.52 CHF
11.21 CHF
Min.: 1
Mult.: 1
USF300 20 kOhms 330 mW (1/3 W) 0.01 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 45In Stock
14.28 CHF
12.04 CHF
11.52 CHF
11.21 CHF
Min.: 1
Mult.: 1
USF300 50 kOhms 330 mW (1/3 W) 0.01 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 2In Stock
18.80 CHF
16.07 CHF
15.45 CHF
15.09 CHF
Min.: 1
Mult.: 1
USF300 1 MOhms 750 mW (3/4 W) 0.1 % 5 PPM / C - 40 C + 85 C 1.4 kV 38.1 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole 10M ohm 0.01% 5ppm
348Expected 23/11/2026
24.64 CHF
21.43 CHF
20.69 CHF
20.26 CHF
Min.: 1
Mult.: 1
USF300 10 MOhms 330 mW (1/3 W) 0.01 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC
Caddock Metal Film Resistors - Through Hole
150On Order
16.68 CHF
14.16 CHF
13.57 CHF
13.24 CHF
Min.: 1
Mult.: 1
USF300 200 kOhms 330 mW (1/3 W) 0.01 % 5 PPM / C - 40 C + 85 C 300 V 19.05 mm Radial Bulk Metal Film Precision Resistors Zero Nominal TC