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 (IDR) 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 USF340-5.00M-0.1%-5PPM Caddock 1: Rp298.489,42 87In Stock	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	87In Stock	Rp298.489,42 Rp261.430,50 Rp246.937,16 Rp236.846,86 View Rp229.691,92 Rp225.655,80 Rp221.619,68 Rp214.097,82 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 100K ohm 0.01% 5ppm USF340-100K-0.01%-5PPM Caddock 1: Rp358.664,30 138In 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	138In Stock	Rp358.664,30 Rp304.360,14 Rp291.884,86 Rp291.701,40 View Rp272.805,02 Rp269.502,74	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 USF340-10.0M-0.1%-5PPM Caddock 1: Rp330.044,54 181In Stock 200Expected 10/11/2026	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	181In Stock 200Expected 10/11/2026	Rp330.044,54 Rp278.492,28 Rp266.567,38 Rp259.595,90 View Rp254.092,10 Rp248.588,30 Rp245.286,02	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: Rp538.088,18 140In Stock 300Expected 29/01/2027	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	140In Stock 300Expected 29/01/2027	Rp538.088,18 Rp466.722,24 Rp450.210,84 Rp440.487,46 View Rp432.965,60 Rp425.260,28 Rp408.565,42	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
Metal Film Resistors - Through Hole USF340-20.0M-0.01%-5PPM Caddock 1: Rp530.015,94 97In 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	97In Stock	Rp530.015,94 Rp460.851,52 Rp444.890,50 Rp435.350,58 View Rp428.012,18 Rp420.673,78 Rp420.306,86	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: Rp380.129,12 154In 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	154In Stock	Rp380.129,12 Rp322.706,14 Rp309.313,56 Rp301.608,24 View Rp295.370,60 Rp289.132,96 Rp285.647,22	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 USF370-10.0M-0.1%-5PPM Caddock 1: Rp574.963,64 88In Stock 600On 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	88In Stock 600On Order On Order Ship Dates Mfr. No: USF370-10.0M-0.1%-5PPM Stock: 88 Can Dispatch Immediately On Order: 200 Expected 12/01/2027 400 Expected 22/02/2027 Factory Lead Time: 18 Weeks	Rp574.963,64 Rp500.478,88 Rp483.233,64 Rp483.050,18 View Rp457.182,32 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: Rp664.125,20 59In Stock 100Expected 10/11/2026	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	59In Stock 100Expected 10/11/2026	Rp664.125,20 Rp584.687,02 Rp566.341,02 Rp555.516,88 View Rp547.077,72 Rp538.455,10	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 5M ohm 0.01% 5ppm USF370-5.00M-0.01%-5ppm Caddock 1: Rp1.070.672,56 61In 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	61In Stock	Rp1.070.672,56 Rp863.362,76 Rp824.102,32 Rp800.802,90 View Rp721.731,64 Rp711.641,34	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 USF371-20.0M-0.1%-5PPM Caddock 1: Rp777.320,02 271In 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	271In Stock	Rp777.320,02 Rp590.741,20 Rp532.767,84 Rp526.163,28 View Rp507.083,44 Rp485.618,62 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 25M Ohm .01% 5ppm 3/4W USF371-25.0M-0.01%-5PPM Caddock 1: Rp934.545,24 140In Stock 150Expected 23/02/2027	Mfr. Part No. USF371-25.0M-0.01%-5PPM Mouser Part No 684-USF371-25M	Caddock	Metal Film Resistors - Through Hole 25M Ohm .01% 5ppm 3/4W Learn More about Caddock usf300	Datasheet	140In Stock 150Expected 23/02/2027	Rp934.545,24 Rp836.761,06 Rp814.195,48 Rp800.986,36 View Rp790.529,14 Rp789.611,84 Quote	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
Metal Film Resistors - Through Hole USF371-25.0M-0.1%-5PPM Caddock 1: Rp598.079,60 344In 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	344In Stock	Rp598.079,60 Rp521.943,70 Rp504.331,54 Rp504.148,08 View Rp485.618,62 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: Rp215.015,12 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	Rp215.015,12 Rp176.121,60 Rp167.315,52 Rp161.811,72 View Rp157.775,60 Rp153.556,02 Rp150.804,12 Rp148.786,06	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: Rp325.458,04 44In Stock 100Expected 25/01/2027	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 25/01/2027	Rp325.458,04 Rp274.272,70 Rp262.531,26 Rp255.559,78 View Rp250.239,44 Rp244.735,64 Rp241.433,36	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: Rp418.655,72 2In Stock 50Expected 04/01/2027	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 04/01/2027	Rp418.655,72 Rp261.430,50 Rp250.055,98 Rp243.084,50 View Rp237.947,62 Rp232.627,28 Rp229.508,46 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: Rp190.431,48 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	Rp190.431,48 Rp155.023,70 Rp146.951,46 Rp141.998,04 View Rp138.145,38 Rp134.292,72 Rp131.907,74 Rp129.706,22	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: Rp324.173,82 33In Stock 100Expected 08/02/2027	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 100Expected 08/02/2027	Rp324.173,82 Rp273.171,94 Rp261.613,96 Rp254.642,48 View Rp243.634,88 Rp240.516,06	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: Rp221.803,14 49In 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	49In Stock	Rp221.803,14 Rp181.808,86 Rp172.635,86 Rp167.132,06 View Rp162.912,48 Rp158.692,90 Rp156.124,46 Rp154.106,40	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: Rp201.989,46 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	Rp201.989,46 Rp164.380,16 Rp155.757,54 Rp150.437,20 View Rp146.584,54 Rp142.364,96 Rp140.163,44 Rp138.145,38 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 USF340-2.00M-0.01%-5ppm Caddock 1: Rp507.633,82 10In Stock 50Expected 23/02/2027	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	10In Stock 50Expected 23/02/2027	Rp507.633,82 Rp440.304,00 Rp424.709,90 Rp415.536,90 View Rp408.381,96 Rp401.043,56	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: Rp325.458,04 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	Rp325.458,04 Rp274.272,70 Rp262.531,26 Rp255.559,78 View Rp250.239,44 Rp244.735,64 Rp241.433,36	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 USF340-50.0K-0.01%-5PPM Caddock 1: Rp325.458,04 45In 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	45In Stock	Rp325.458,04 Rp274.272,70 Rp262.531,26 Rp255.559,78 View Rp250.239,44 Rp244.735,64 Rp241.433,36	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 USF370-1.00M-0.1%-5PPM Caddock 1: Rp428.562,56 2In 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	2In Stock	Rp428.562,56 Rp366.369,62 Rp352.243,20 Rp343.804,04 View Rp337.199,48 Rp330.411,46 Rp326.558,80	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 10M ohm 0.01% 5ppm USF340-10.0M-0.01%-5ppm Caddock 1: Rp561.754,52 348Expected 23/11/2026	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 23/11/2026	Rp561.754,52 Rp488.370,52 Rp471.492,20 Rp461.585,36 View Rp453.696,58 Rp445.624,34 Rp428.746,02	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 USF340-200K-0.01%-5PPM Caddock 1: Rp380.129,12 150On Order	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	150On Order On Order Ship Dates Mfr. No: USF340-200K-0.01%-5PPM Stock: 0 On Order: 50 Expected 04/01/2027 100 Expected 23/02/2027 Factory Lead Time: 18 Weeks	Rp380.129,12 Rp322.706,14 Rp309.313,56 Rp301.608,24 View Rp295.370,60 Rp289.132,96 Rp285.647,22	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

USF300 Ultra-Stable Low TC Film Resistors

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