Metal Film Resistors - Through Hole

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (THB) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Resistance	Power Rating	Tolerance	Temperature Coefficient	Minimum Operating Temperature	Maximum Operating Temperature	Voltage Rating	Length	Termination Style	Packaging	Product	Type
Metal Film Resistors - Through Hole USF371-20.0M-0.1%-5PPM Caddock 1: ฿1,411.77 300In Stock	Mfr. Part No. USF371-20.0M-0.1%-5PPM Mouser Part No 684-USF371-20M1%5PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	300In Stock	฿1,411.77 ฿1,072.90 ฿967.61 ฿955.62 View ฿920.96 ฿881.98 Quote	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
Metal Film Resistors - Through Hole USF370-1.00M-0.1%-5PPM Caddock 1: ฿721.04 52In Stock	Mfr. Part No. USF370-1.00M-0.1%-5PPM Mouser Part No 684-USF370-1M1%5PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	52In Stock	฿721.04 ฿627.75 ฿603.43 ฿588.76 View ฿577.44 ฿566.11 ฿559.44	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
Metal Film Resistors - Through Hole 100K ohm 0.01% 5ppm USF340-100K-0.01%-5PPM Caddock 1: ฿651.41 150In Stock	Mfr. Part No. USF340-100K-0.01%-5PPM Mouser Part No 684-USF340-100K	Caddock	Metal Film Resistors - Through Hole 100K ohm 0.01% 5ppm Learn More about Caddock usf300	Datasheet	150In Stock	฿651.41 ฿552.78 ฿530.12 ฿516.79 View ฿495.47 ฿489.47	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
Metal Film Resistors - Through Hole USF340-20.0M-0.01%-5PPM Caddock 1: ฿962.61 112In Stock	Mfr. Part No. USF340-20.0M-0.01%-5PPM Mouser Part No 684-USF34020.0M.01%5	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	112In Stock	฿962.61 ฿837.00 ฿808.01 ฿790.68 View ฿777.36 ฿764.03 ฿763.36	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
Metal Film Resistors - Through Hole USF340-500K-0.01%-5PPM Caddock 1: ฿690.39 155In Stock	Mfr. Part No. USF340-500K-0.01%-5PPM Mouser Part No 684-USF340500K0.01%5	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	155In Stock	฿690.39 ฿586.10 ฿561.78 ฿547.78 View ฿536.45 ฿525.12 ฿518.79	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
Metal Film Resistors - Through Hole 5M ohm 0.01% 5ppm USF370-5.00M-0.01%-5ppm Caddock 1: ฿1,871.25 67In Stock	Mfr. Part No. USF370-5.00M-0.01%-5ppm Mouser Part No 684-USF370-5M	Caddock	Metal Film Resistors - Through Hole 5M ohm 0.01% 5ppm Learn More about Caddock usf300	Datasheet	67In Stock	฿1,871.25 ฿1,524.06 ฿1,434.09 ฿1,433.76 View ฿1,296.48 ฿1,288.48 Quote	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
Metal Film Resistors - Through Hole 20M ohm 0.01% 5ppm USF371-20.0M-0.01%-5ppm Caddock 1: ฿2,275.42 27In Stock	Mfr. Part No. USF371-20.0M-0.01%-5ppm Mouser Part No 684-USF371-20M	Caddock	Metal Film Resistors - Through Hole 20M ohm 0.01% 5ppm Learn More about Caddock usf300	Datasheet	27In Stock	฿2,275.42 ฿1,742.97 ฿1,595.69 ฿1,488.74 View ฿1,398.11 ฿1,298.81	Min.: 1 Mult.: 1	USF300	20 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	Zero Nominal TC
Metal Film Resistors - Through Hole USF371-25.0M-0.1%-5PPM Caddock 1: ฿1,086.23 345In Stock	Mfr. Part No. USF371-25.0M-0.1%-5PPM Mouser Part No 684-USF371-25M1%5PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	345In Stock	฿1,086.23 ฿947.95 ฿915.97 ฿915.63 View ฿881.98 Quote	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
Metal Film Resistors - Through Hole USF340-100K-0.1%-5PPM Caddock 1: ฿390.51 50In Stock	Mfr. Part No. USF340-100K-0.1%-5PPM Mouser Part No 684-USF340-100K15PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	50In Stock	฿390.51 ฿319.87 ฿303.88 ฿293.88 View ฿286.55 ฿278.89 ฿273.89 ฿270.23	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
Metal Film Resistors - Through Hole 10K ohm 0.01% 5ppm USF340-10.0K-0.01%-5ppm Caddock 1: ฿591.10 44In Stock 100Expected 1/25/2027	Mfr. Part No. USF340-10.0K-0.01%-5ppm Mouser Part No 684-USF340-10K	Caddock	Metal Film Resistors - Through Hole 10K ohm 0.01% 5ppm Learn More about Caddock usf300	Datasheet	44In Stock 100Expected 1/25/2027	฿591.10 ฿498.13 ฿476.81 ฿464.15 View ฿454.48 ฿444.49 ฿438.49	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
Metal Film Resistors - Through Hole USF340-1.00M-0.1%-5PPM Caddock 1: ฿760.36 2In Stock 50Expected 1/4/2027	Mfr. Part No. USF340-1.00M-0.1%-5PPM Mouser Part No 684-USF340-1M1%5PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	2In Stock 50Expected 1/4/2027	฿760.36 ฿474.81 ฿454.15 ฿441.49 View ฿432.16 ฿422.50 ฿416.83 Quote	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
Metal Film Resistors - Through Hole USF340-20.0K-0.1%-5PPM Caddock 1: ฿345.86 42In Stock	Mfr. Part No. USF340-20.0K-0.1%-5PPM Mouser Part No 684-USF340-20K1%5PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	42In Stock	฿345.86 ฿281.55 ฿266.89 ฿257.90 View ฿250.90 ฿243.90 ฿239.57 ฿235.57	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
Metal Film Resistors - Through Hole USF340-20.0M-0.1%-5PPM Caddock 1: ฿588.76 33In Stock	Mfr. Part No. USF340-20.0M-0.1%-5PPM Mouser Part No 684-USF340-20M1%5PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	33In Stock	฿588.76 ฿496.13 ฿475.14 ฿462.48 View ฿442.49 ฿436.83	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
Metal Film Resistors - Through Hole USF340-500K-0.1%-5PPM Caddock 1: ฿402.84 50In Stock	Mfr. Part No. USF340-500K-0.1%-5PPM Mouser Part No 684-USF340-500K15PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	50In Stock	฿402.84 ฿330.20 ฿313.54 ฿303.55 View ฿295.88 ฿288.22 ฿283.55 ฿279.89	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
Metal Film Resistors - Through Hole USF340-50.0K-0.1%-5PPM Caddock 1: ฿366.85 11In Stock	Mfr. Part No. USF340-50.0K-0.1%-5PPM Mouser Part No 684-USF340-50K1%5PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	11In Stock	฿366.85 ฿298.55 ฿282.89 ฿273.22 View ฿266.23 ฿258.56 ฿254.56 ฿250.90 Quote	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
Metal Film Resistors - Through Hole USF340-5.00M-0.1%-5PPM Caddock 1: ฿564.77 38In Stock 50Expected 10/14/2026	Mfr. Part No. USF340-5.00M-0.1%-5PPM Mouser Part No 684-USF340-5M1%5PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	38In Stock 50Expected 10/14/2026	฿564.77 ฿474.81 ฿454.15 ฿441.49 View ฿432.16 ฿422.50 ฿416.83 Quote	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
Metal Film Resistors - Through Hole USF340-2.00M-0.01%-5ppm Caddock 1: ฿921.96 30In Stock	Mfr. Part No. USF340-2.00M-0.01%-5ppm Mouser Part No 684-USF3402.00M.01%5	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	30In Stock	฿921.96 ฿799.68 ฿771.36 ฿754.70 View ฿741.70 ฿728.38 ฿727.04	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
Metal Film Resistors - Through Hole USF340-20.0K-0.01%-5PPM Caddock 1: ฿591.10 23In Stock	Mfr. Part No. USF340-20.0K-0.01%-5PPM Mouser Part No 684-USF34020.0K.01%5	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	23In Stock	฿591.10 ฿498.13 ฿476.81 ฿464.15 View ฿454.48 ฿444.49 ฿438.49	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
Metal Film Resistors - Through Hole USF340-200K-0.01%-5PPM Caddock 1: ฿690.39 24In Stock 50Expected 1/4/2027	Mfr. Part No. USF340-200K-0.01%-5PPM Mouser Part No 684-USF340200K0.01%5	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	24In Stock 50Expected 1/4/2027	฿690.39 ฿586.10 ฿561.78 ฿547.78 View ฿536.45 ฿525.12 ฿518.79	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
Metal Film Resistors - Through Hole USF340-50.0K-0.01%-5PPM Caddock 1: ฿591.10 46In Stock	Mfr. Part No. USF340-50.0K-0.01%-5PPM Mouser Part No 684-USF34050.0K.01%5	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	46In Stock	฿591.10 ฿498.13 ฿476.81 ฿464.15 View ฿454.48 ฿444.49 ฿438.49	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
Metal Film Resistors - Through Hole USF370-10.0M-0.1%-5PPM Caddock 1: ฿1,044.25 40In Stock 400On Order	Mfr. Part No. USF370-10.0M-0.1%-5PPM Mouser Part No 684-USF370-10M1%5PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	40In Stock 400On Order On Order Ship Dates Mfr. No: USF370-10.0M-0.1%-5PPM Stock: 40 Can Dispatch Immediately On Order: 200 Expected 9/24/2026 200 Expected 1/12/2027 Factory Lead Time: 18 Weeks	฿1,044.25 ฿908.97 ฿877.65 ฿859.32 View ฿845.00 ฿830.33 Quote	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
Metal Film Resistors - Through Hole 1M ohm 0.01% 5ppm USF370-1.00M-0.01%-5ppm Caddock 1: ฿1,206.18 20In Stock 150On Order	Mfr. Part No. USF370-1.00M-0.01%-5ppm Mouser Part No 684-USF370-1M	Caddock	Metal Film Resistors - Through Hole 1M ohm 0.01% 5ppm Learn More about Caddock usf300	Datasheet	20In Stock 150On Order On Order Ship Dates Mfr. No: USF370-1.00M-0.01%-5ppm Stock: 20 Can Dispatch Immediately On Order: 50 Expected 10/12/2026 100 Expected 11/11/2026 Factory Lead Time: 16 Weeks	฿1,206.18 ฿1,061.91 ฿1,028.59 ฿1,008.93 View ฿993.60 ฿977.94	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
Metal Film Resistors - Through Hole 10M ohm 0.01% 5ppm USF340-10.0M-0.01%-5ppm Caddock 1: ฿1,020.26 348Expected 11/23/2026	Mfr. Part No. USF340-10.0M-0.01%-5ppm Mouser Part No 684-USF340-10M	Caddock	Metal Film Resistors - Through Hole 10M ohm 0.01% 5ppm Learn More about Caddock usf300	Datasheet	348Expected 11/23/2026	฿1,020.26 ฿886.98 ฿856.32 ฿838.33 View ฿824.00 ฿809.68 ฿779.02	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
Metal Film Resistors - Through Hole USF340-10.0M-0.1%-5PPM Caddock 1: ฿599.43 450On Order	Mfr. Part No. USF340-10.0M-0.1%-5PPM Mouser Part No 684-USF340-10M1%5PPM	Caddock	Metal Film Resistors - Through Hole Learn More about Caddock usf300	Datasheet	450On Order On Order Ship Dates Mfr. No: USF340-10.0M-0.1%-5PPM Stock: 0 On Order: 250 Expected 10/16/2026 200 Expected 10/19/2026 Factory Lead Time: 18 Weeks	฿599.43 ฿505.80 ฿484.14 ฿471.48 View ฿461.48 ฿451.49 ฿445.49	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
Metal Film Resistors - Through Hole 1M ohm 0.01% 5ppm USF340-1.00M-0.01%-5ppm Caddock 1: ฿977.28 438On Order	Mfr. Part No. USF340-1.00M-0.01%-5ppm Mouser Part No 684-USF340-1M	Caddock	Metal Film Resistors - Through Hole 1M ohm 0.01% 5ppm Learn More about Caddock usf300	Datasheet	438On Order On Order Ship Dates Mfr. No: USF340-1.00M-0.01%-5ppm Stock: 0 On Order: 38 Expected 10/16/2026 100 Expected 10/29/2026 300 Expected 1/29/2027 Factory Lead Time: 16 Weeks	฿977.28 ฿847.66 ฿817.67 ฿800.01 View ฿786.35 ฿772.36 ฿742.04	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

USF300 Ultra-Stable Low TC Film Resistors

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