Metal Film Resistors - Through Hole

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RC55 Precision Metal Film Resistors

Welwyn / TT Electronics RC55 Precision Metal Film Resistors are CECC-released devices with low TCRs over a wide resistance range. Welwyn / TT Electronics RC55 resistors feature a resistance tolerance down to 0.05%, low noise, negligible voltage coefficient, and screened parts available for critical applications. The resistors are offered in a resistance range of 1RΩ to 4MΩ with a 0.25W power rating at +70°C, 350V limiting element voltage, and a 500V isolation voltage.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) 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	Diameter	Length	Termination Style	Packaging	Product	Type
Metal Film Resistors - Through Hole RC55Y-216RBI Welwyn Components / TT Electronics 1: CHF 2.58 206In Stock	Mfr. Part No. RC55Y-216RBI Mouser Part No 756-RC55Y-216RBI	Welwyn Components / TT Electronics	Metal Film Resistors - Through Hole	Datasheet	206In Stock	CHF 2.58 CHF 1.54 CHF 1.37 CHF 1.13 View CHF 0.955 CHF 0.894 CHF 0.877 CHF 0.813	Min.: 1 Mult.: 1	RC	216 Ohms	400 mW	0.1 %	15 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial		Metal Film Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole RC55Y-140RBI Welwyn Components / TT Electronics 1: CHF 2.58 250In Stock New Product	Mfr. Part No. RC55Y-140RBI Mouser Part No 756-RC55Y-140RBI New Product	Welwyn Components / TT Electronics	Metal Film Resistors - Through Hole	Datasheet	250In Stock	CHF 2.58 CHF 1.54 CHF 1.37 CHF 1.13 Reel CHF 0.955 View CHF 0.699 CHF 0.677	Min.: 1 Mult.: 1 : 250	RC	140 Ohms	250 mW (1/4 W)	0.1 %	15 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Ammo Pack	Metal Film Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole RC55LFD221KBA IRC / TT Electronics 1: CHF 2.11 500In Stock	Mfr. Part No. RC55LFD221KBA Mouser Part No 66-RC55LF-D-221K-B-A	IRC / TT Electronics	Metal Film Resistors - Through Hole	Datasheet	500In Stock	CHF 2.11 CHF 1.24 CHF 1.07 CHF 0.877 Reel CHF 0.768 View CHF 0.706 CHF 0.653 CHF 0.618 CHF 0.595	Min.: 1 Mult.: 1 : 250	RC	221 kOhms	400 mW	0.1 %	25 PPM / C			350 V	2.5 mm	7.2 mm	Axial	Ammo Pack	Metal Film Precision Resistors	Precision Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 110 0.1% RC55LF-D-110R-B-B IRC / TT Electronics 1: CHF 2.15 1’914In Stock	Mfr. Part No. RC55LF-D-110R-B-B Mouser Part No 66-RC55LF-D-110	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 110 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	1’914In Stock	CHF 2.15 CHF 1.27 CHF 1.10 CHF 0.901 View CHF 0.783 CHF 0.72 CHF 0.666 CHF 0.63 CHF 0.607	Min.: 1 Mult.: 1	RC	110 Ohms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 909Kohms 0.1% RC55Y-909KBI Welwyn Components / TT Electronics 1: CHF 4.37 1’171In Stock	Mfr. Part No. RC55Y-909KBI Mouser Part No 756-RC55Y-909KBI	Welwyn Components / TT Electronics	Metal Film Resistors - Through Hole 909Kohms 0.1% Learn More about Welwyn Components / TT Electronics welwyn rc55 resistors	Datasheet	1’171In Stock	CHF 4.37 CHF 2.68 CHF 2.44 CHF 1.94 Reel CHF 1.72 CHF 1.64	Min.: 1 Mult.: 1 : 250	RC	909 kOhms	250 mW (1/4 W)	0.1 %	15 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Ammo Pack	Metal Film Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 31.6K 0.1% RC55LF-D-31K6-B-B IRC / TT Electronics 1: CHF 2.15 2’408In Stock	Mfr. Part No. RC55LF-D-31K6-B-B Mouser Part No 66-RC55LF-D-31.6K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 31.6K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	2’408In Stock	CHF 2.15 CHF 1.27 CHF 1.10 CHF 0.901 View CHF 0.783 CHF 0.72 CHF 0.666 CHF 0.63 CHF 0.607	Min.: 1 Mult.: 1	RC	31.6 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 86.6K 0.1% RC55LF-D-86K6-B-B IRC / TT Electronics 1: CHF 1.75 2’734In Stock	Mfr. Part No. RC55LF-D-86K6-B-B Mouser Part No 66-RC55LF-D-86.6K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 86.6K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	2’734In Stock	CHF 1.75 CHF 1.04 CHF 0.926 CHF 0.73 View CHF 0.624 CHF 0.572 CHF 0.527 CHF 0.48 CHF 0.459	Min.: 1 Mult.: 1	RC	86.6 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 75Kohms 0.1% RC55Y-75KBI Welwyn Components / TT Electronics 1: CHF 2.54 528In Stock	Mfr. Part No. RC55Y-75KBI Mouser Part No 756-RC55Y-75KBI	Welwyn Components / TT Electronics	Metal Film Resistors - Through Hole 75Kohms 0.1% Learn More about Welwyn Components / TT Electronics welwyn rc55 resistors	Datasheet	528In Stock	CHF 2.54 CHF 1.52 CHF 1.34 CHF 1.10 Reel CHF 0.945 CHF 0.889	Min.: 1 Mult.: 1 : 250	RC	75 kOhms	250 mW (1/4 W)	0.1 %	15 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Ammo Pack	Metal Film Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 1.0K 0.1% RC55LF-D-1K-B-B IRC / TT Electronics 1: CHF 1.76 676In Stock	Mfr. Part No. RC55LF-D-1K-B-B Mouser Part No 66-RC55LF-D-1.0K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 1.0K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	676In Stock	CHF 1.76 CHF 1.21 CHF 1.06 CHF 0.885 View CHF 0.837 CHF 0.709	Min.: 1 Mult.: 1	RC	1 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 1.15K 0.1% RC55LF-D-1K15-B-B IRC / TT Electronics 1: CHF 1.75 787In Stock	Mfr. Part No. RC55LF-D-1K15-B-B Mouser Part No 66-RC55LF-D-1.15K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 1.15K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	787In Stock	CHF 1.75 CHF 1.04 CHF 0.926 CHF 0.73 View CHF 0.644 CHF 0.547 CHF 0.535 CHF 0.493	Min.: 1 Mult.: 1	RC	1.15 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 1.4K 0.1% RC55LF-D-1K40-B-B IRC / TT Electronics 1: CHF 1.95 307In Stock	Mfr. Part No. RC55LF-D-1K40-B-B Mouser Part No 66-RC55LF-D-1.4K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 1.4K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	307In Stock	CHF 1.95 CHF 1.19 CHF 1.10 CHF 0.87 View CHF 0.744 CHF 0.632 CHF 0.583	Min.: 1 Mult.: 1	RC	1.4 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 12.4K 0.1% RC55LF-D-12K4-B-B IRC / TT Electronics 1: CHF 2.15 754In Stock	Mfr. Part No. RC55LF-D-12K4-B-B Mouser Part No 66-RC55LF-D-12.4K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 12.4K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	754In Stock	CHF 2.15 CHF 1.27 CHF 1.10 CHF 0.901 View CHF 0.837 CHF 0.709 CHF 0.653	Min.: 1 Mult.: 1	RC	12.4 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 121K 0.1% RC55LF-D-121K-B-B IRC / TT Electronics 1: CHF 2.15 210In Stock	Mfr. Part No. RC55LF-D-121K-B-B Mouser Part No 66-RC55LF-D-121K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 121K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	210In Stock	CHF 2.15 CHF 1.27 CHF 1.10 CHF 0.901 View CHF 0.837 CHF 0.709 CHF 0.653	Min.: 1 Mult.: 1	RC	121 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 137K 0.1% RC55LF-D-137K-B-B IRC / TT Electronics 1: CHF 1.78 640In Stock	Mfr. Part No. RC55LF-D-137K-B-B Mouser Part No 66-RC55LF-D-137K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 137K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	640In Stock	CHF 1.78 CHF 1.09 CHF 1.00 CHF 0.787 View CHF 0.68 CHF 0.577 CHF 0.532	Min.: 1 Mult.: 1	RC	137 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 140K 0.1% RC55LF-D-140K-B-B IRC / TT Electronics 1: CHF 1.77 1’023In Stock	Mfr. Part No. RC55LF-D-140K-B-B Mouser Part No 66-RC55LF-D-140K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 140K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	1’023In Stock	CHF 1.77 CHF 1.08 CHF 0.992 CHF 0.786 View CHF 0.665 CHF 0.592 CHF 0.548 CHF 0.515 CHF 0.494	Min.: 1 Mult.: 1	RC	140 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 147 0.1% RC55LF-D-147R-B-B IRC / TT Electronics 1: CHF 1.75 226In Stock	Mfr. Part No. RC55LF-D-147R-B-B Mouser Part No 66-RC55LF-D-147	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 147 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	226In Stock	CHF 1.75 CHF 1.04 CHF 0.926 CHF 0.73 View CHF 0.644 CHF 0.547 CHF 0.535 CHF 0.493	Min.: 1 Mult.: 1	RC	147 Ohms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 154 0.1% RC55LF-D-154R-B-B IRC / TT Electronics 1: CHF 1.75 424In Stock	Mfr. Part No. RC55LF-D-154R-B-B Mouser Part No 66-RC55LF-D-154	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 154 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	424In Stock	CHF 1.75 CHF 1.04 CHF 0.926 CHF 0.73 View CHF 0.644 CHF 0.547 CHF 0.535 CHF 0.493	Min.: 1 Mult.: 1	RC	154 Ohms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 158K 0.1% RC55LF-D-158K-B-B IRC / TT Electronics 1: CHF 2.15 105In Stock	Mfr. Part No. RC55LF-D-158K-B-B Mouser Part No 66-RC55LF-D-158K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 158K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	105In Stock	CHF 2.15 CHF 1.27 CHF 1.10 CHF 0.901 View CHF 0.837 CHF 0.709 CHF 0.653	Min.: 1 Mult.: 1	RC	158 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 2.0K 0.1% RC55LF-D-2K-B-B IRC / TT Electronics 1: CHF 2.12 157In Stock 1’000Expected 10/21/2026	Mfr. Part No. RC55LF-D-2K-B-B Mouser Part No 66-RC55LF-D-2.0K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 2.0K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	157In Stock 1’000Expected 10/21/2026	CHF 2.12 CHF 1.24 CHF 1.08 CHF 0.885 View CHF 0.821 CHF 0.695 CHF 0.641	Min.: 1 Mult.: 1	RC	2 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 210K 0.1% RC55LF-D-210K-B-B IRC / TT Electronics 1: CHF 2.15 465In Stock	Mfr. Part No. RC55LF-D-210K-B-B Mouser Part No 66-RC55LF-D-210K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 210K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	465In Stock	CHF 2.15 CHF 1.27 CHF 1.10 CHF 0.901 View CHF 0.877 CHF 0.74 CHF 0.724 CHF 0.709	Min.: 1 Mult.: 1	RC	210 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 232K 0.1% RC55LF-D-232K-B-B IRC / TT Electronics 1: CHF 1.75 548In Stock	Mfr. Part No. RC55LF-D-232K-B-B Mouser Part No 66-RC55LF-D-232K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 232K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	548In Stock	CHF 1.75 CHF 1.04 CHF 0.926 CHF 0.73 View CHF 0.644 CHF 0.547 CHF 0.535 CHF 0.493	Min.: 1 Mult.: 1	RC	232 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 3.65K 0.1% RC55LF-D-3K65-B-B IRC / TT Electronics 1: CHF 2.15 923In Stock	Mfr. Part No. RC55LF-D-3K65-B-B Mouser Part No 66-RC55LF-D-3.65K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 3.65K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	923In Stock	CHF 2.15 CHF 1.27 CHF 1.10 CHF 0.901 View CHF 0.837 CHF 0.709 CHF 0.653	Min.: 1 Mult.: 1	RC	3.65 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 340 0.1% RC55LF-D-340R-B-B IRC / TT Electronics 1: CHF 1.75 312In Stock	Mfr. Part No. RC55LF-D-340R-B-B Mouser Part No 66-RC55LF-D-340	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 340 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	312In Stock	CHF 1.75 CHF 1.04 CHF 0.926 CHF 0.73 View CHF 0.644 CHF 0.547 CHF 0.535 CHF 0.493	Min.: 1 Mult.: 1	RC	340 Ohms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 38.3K 0.1% RC55LF-D-38K3-B-B IRC / TT Electronics 1: CHF 1.75 723In Stock	Mfr. Part No. RC55LF-D-38K3-B-B Mouser Part No 66-RC55LF-D-38.3K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 38.3K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	723In Stock	CHF 1.75 CHF 1.04 CHF 0.926 CHF 0.73 View CHF 0.644 CHF 0.547 CHF 0.535 CHF 0.493	Min.: 1 Mult.: 1	RC	38.3 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor
Metal Film Resistors - Through Hole 1/4W 39.2K 0.1% RC55LF-D-39K2-B-B IRC / TT Electronics 1: CHF 1.75 550In Stock	Mfr. Part No. RC55LF-D-39K2-B-B Mouser Part No 66-RC55LF-D-39.2K	IRC / TT Electronics	Metal Film Resistors - Through Hole 1/4W 39.2K 0.1% Learn More about IRC / TT Electronics welwyn rc55 resistors	Datasheet	550In Stock	CHF 1.75 CHF 1.04 CHF 0.926 CHF 0.73 View CHF 0.644 CHF 0.547 CHF 0.535 CHF 0.493	Min.: 1 Mult.: 1	RC	39.2 kOhms	250 mW (1/4 W)	0.1 %	25 PPM / C	- 55 C	+ 155 C	350 V	2.5 mm	7.2 mm	Axial	Bulk	Metal Film Precision Resistors	Metal Film Resistor