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WDBR & WDBR-UL Ultra-Low-Profile Power Resistors

TT Electronics WDBR and WDBR-UL Ultra-Low-Profile Power Resistors are ideal for dynamic braking, inrush limit, and snubber circuits. These resistors offer up to 7kW peak power, a low inductance design, and high isolation, even after failsafe overload fusing. The RoHS-compliant, non-flammable construction features a high integrity dielectric layer applied to a machined stainless steel substrate. Thick-film conductor and resistor patterns are printed, fired, and protected with a high-temperature overglaze. The termination pads include tinned with solder and optional terminals or soldered-on leads. TT Electronics WDBR and WDBR-UL Ultra-Low-Profile Power Resistors are single fixing heatsink mountable, and the WDBR-UL series is UL 508 certified.

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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.	Termination Style	Resistance	Power Rating	Tolerance	Temperature Coefficient
Thick Film Resistors - Through Hole WDBR7-47RKIW Welwyn Components / TT Electronics 1: 64.03 CHF 79In Stock	Mfr. Part No. WDBR7-47RKIW Mouser Part No 756-WDBR7-47RKIW	Welwyn Components / TT Electronics	Thick Film Resistors - Through Hole Learn More about Welwyn Components / TT Electronics tt wdbr power resistors	Datasheet	79In Stock	64.03 CHF	Min.: 1 Mult.: 1	Radial	47 Ohms	280 W	10 %	600 PPM / C
Thick Film Resistors - Through Hole 47 ohm 10% 2.0kW Flying Leads WDBR2-47RKLW Welwyn Components / TT Electronics 1: 36.38 CHF 103In Stock	Mfr. Part No. WDBR2-47RKLW Mouser Part No 756-WDBR2-47RKLW	Welwyn Components / TT Electronics	Thick Film Resistors - Through Hole 47 ohm 10% 2.0kW Flying Leads Learn More about Welwyn Components / TT Electronics tt wdbr power resistors	Datasheet	103In Stock	36.38 CHF	Min.: 1 Mult.: 1	Radial	47 Ohms	200 W	10 %	600 PPM / C
Thick Film Resistors - Through Hole WDBR7-100RKTW Welwyn Components / TT Electronics 1: 91.90 CHF 1In Stock 100On Order	Mfr. Part No. WDBR7-100RKTW Mouser Part No 756-WDBR7-100RKTW	Welwyn Components / TT Electronics	Thick Film Resistors - Through Hole Learn More about Welwyn Components / TT Electronics tt wdbr power resistors	Datasheet	1In Stock 100On Order	91.90 CHF	Min.: 1 Mult.: 1	Radial	100 Ohms	280 W	10 %	600 PPM / C
Thick Film Resistors - Through Hole 22 ohm 10% 1.5kW Push-on Connectors WDBR122RKT IRC / TT Electronics 1: 36.31 CHF 13In Stock	Mfr. Part No. WDBR122RKT Mouser Part No 66-WDBR122RKT	IRC / TT Electronics	Thick Film Resistors - Through Hole 22 ohm 10% 1.5kW Push-on Connectors Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	13In Stock	36.31 CHF	Min.: 1 Mult.: 1	Radial	22 Ohms	180 W	10 %	600 PPM / C
Thick Film Resistors - Through Hole WDBR7-47RKLW Welwyn Components / TT Electronics 1: 99.82 CHF 100Expected 16/10/2026	Mfr. Part No. WDBR7-47RKLW Mouser Part No 756-WDBR7-47RKLW	Welwyn Components / TT Electronics	Thick Film Resistors - Through Hole Learn More about Welwyn Components / TT Electronics tt wdbr power resistors	Datasheet	100Expected 16/10/2026	99.82 CHF	Min.: 1 Mult.: 1	Radial	47 Ohms	280 W	10 %	600 PPM / C
Planar Resistors - Chassis Mount 47 ohm 10% 7kW Flying Leads WDBR7UL-47RKLW Welwyn Components / TT Electronics 1: 90.53 CHF 100Expected 03/12/2026	Mfr. Part No. WDBR7UL-47RKLW Mouser Part No 756-WDBR7UL-47RKLW	Welwyn Components / TT Electronics	Planar Resistors - Chassis Mount 47 ohm 10% 7kW Flying Leads Learn More about Welwyn Components / TT Electronics tt wdbr power resistors	Datasheet	100Expected 03/12/2026	90.53 CHF 69.67 CHF 66.44 CHF	Min.: 1 Mult.: 1	Wire Lead	47 Ohms	7 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 100 ohm 10% 7kW Solder Pads WDBR7UL-100RKIW Welwyn Components / TT Electronics 100: 54.04 CHF Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. WDBR7UL-100RKIW Mouser Part No 756-WDBR7UL-100RKIW	Welwyn Components / TT Electronics	Planar Resistors - Chassis Mount 100 ohm 10% 7kW Solder Pads Learn More about Welwyn Components / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked Lead-Time 9 Weeks	54.04 CHF	Min.: 100 Mult.: 20	Solder Pad	100 Ohms	7 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 100 ohm 10% 7kW Flying Leads WDBR7UL-100RKLW Welwyn Components / TT Electronics 1: 90.52 CHF Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. WDBR7UL-100RKLW Mouser Part No 756-WDBR7UL-100RKLW	Welwyn Components / TT Electronics	Planar Resistors - Chassis Mount 100 ohm 10% 7kW Flying Leads Learn More about Welwyn Components / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked Lead-Time 9 Weeks	90.52 CHF 67.66 CHF 61.50 CHF 60.63 CHF 59.79 CHF	Min.: 1 Mult.: 1	Wire Lead	100 Ohms	7 kW	10 %	600 PPM / C
Thick Film Resistors - Through Hole 100 ohm 10% 1.5kW Push-on Connectors WDBR1100RKT IRC / TT Electronics 560: 24.76 CHF Non-Stocked	Mfr. Part No. WDBR1100RKT Mouser Part No 66-WDBR1100RKT	IRC / TT Electronics	Thick Film Resistors - Through Hole 100 ohm 10% 1.5kW Push-on Connectors Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	24.76 CHF	Min.: 560 Mult.: 80	Radial	100 Ohms	180 W	10 %	600 PPM / C
Thick Film Resistors - Through Hole 12 ohm 10% 1.5kW Push-on Connectors WDBR112RKT IRC / TT Electronics 560: 33.38 CHF Non-Stocked	Mfr. Part No. WDBR112RKT Mouser Part No 66-WDBR112RKT	IRC / TT Electronics	Thick Film Resistors - Through Hole 12 ohm 10% 1.5kW Push-on Connectors Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	33.38 CHF	Min.: 560 Mult.: 80	Radial	12 Ohms	180 W	10 %	600 PPM / C
Thick Film Resistors - Through Hole 47 ohm 10% 1.5kW Solder Pad Only WDBR147RKI IRC / TT Electronics 500: 21.93 CHF Non-Stocked	Mfr. Part No. WDBR147RKI Mouser Part No 66-WDBR147RKI	IRC / TT Electronics	Thick Film Resistors - Through Hole 47 ohm 10% 1.5kW Solder Pad Only Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	21.93 CHF	Min.: 500 Mult.: 100	Radial	47 Ohms	180 W	10 %	600 PPM / C
Thick Film Resistors - Through Hole 47 ohm 10% 1.5kW Flying Leads WDBR147RKL IRC / TT Electronics 520: 24.40 CHF Non-Stocked	Mfr. Part No. WDBR147RKL Mouser Part No 66-WDBR147RKL	IRC / TT Electronics	Thick Film Resistors - Through Hole 47 ohm 10% 1.5kW Flying Leads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	24.40 CHF	Min.: 520 Mult.: 40	Radial	47 Ohms	180 W	10 %	600 PPM / C
Thick Film Resistors - Through Hole 47 ohm 10% 1.5kW Push-on Connectors WDBR147RKT IRC / TT Electronics 560: 32.73 CHF Non-Stocked	Mfr. Part No. WDBR147RKT Mouser Part No 66-WDBR147RKT	IRC / TT Electronics	Thick Film Resistors - Through Hole 47 ohm 10% 1.5kW Push-on Connectors Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	32.73 CHF	Min.: 560 Mult.: 80	Radial	47 Ohms	180 W	10 %	600 PPM / C
Planar Resistors - Chassis Mount 100 ohm 10% 1.5kW Solder Pads WDBR1UL100RKI IRC / TT Electronics 500: 20.26 CHF Non-Stocked	Mfr. Part No. WDBR1UL100RKI Mouser Part No 66-WDBR1UL100RKI	IRC / TT Electronics	Planar Resistors - Chassis Mount 100 ohm 10% 1.5kW Solder Pads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	20.26 CHF	Min.: 500 Mult.: 100	Solder Pad	100 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 100 ohm 10% 1.5kW Flying Leads WDBR1UL100RKL IRC / TT Electronics 520: 23.12 CHF Non-Stocked	Mfr. Part No. WDBR1UL100RKL Mouser Part No 66-WDBR1UL100RKL	IRC / TT Electronics	Planar Resistors - Chassis Mount 100 ohm 10% 1.5kW Flying Leads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	23.12 CHF	Min.: 520 Mult.: 40	Wire Lead	100 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 12 ohm 10% 1.5kW Solder Pads WDBR1UL12RKI IRC / TT Electronics 500: 20.26 CHF Non-Stocked	Mfr. Part No. WDBR1UL12RKI Mouser Part No 66-WDBR1UL12RKI	IRC / TT Electronics	Planar Resistors - Chassis Mount 12 ohm 10% 1.5kW Solder Pads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	20.26 CHF	Min.: 500 Mult.: 100	Solder Pad	12 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 12 ohm 10% 1.5kW Flying Leads WDBR1UL12RKL IRC / TT Electronics 520: 23.12 CHF Non-Stocked	Mfr. Part No. WDBR1UL12RKL Mouser Part No 66-WDBR1UL12RKL	IRC / TT Electronics	Planar Resistors - Chassis Mount 12 ohm 10% 1.5kW Flying Leads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	23.12 CHF	Min.: 520 Mult.: 40	Wire Lead	12 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 150 ohm 10% 1.5kW Solder Pads WDBR1UL150RKI IRC / TT Electronics 500: 20.26 CHF Non-Stocked	Mfr. Part No. WDBR1UL150RKI Mouser Part No 66-WDBR1UL150RKI	IRC / TT Electronics	Planar Resistors - Chassis Mount 150 ohm 10% 1.5kW Solder Pads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	20.26 CHF	Min.: 500 Mult.: 100	Solder Pad	150 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 150 ohm 10% 1.5kW Flying Leads WDBR1UL150RKL IRC / TT Electronics 520: 23.12 CHF Non-Stocked	Mfr. Part No. WDBR1UL150RKL Mouser Part No 66-WDBR1UL150RKL	IRC / TT Electronics	Planar Resistors - Chassis Mount 150 ohm 10% 1.5kW Flying Leads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	23.12 CHF	Min.: 520 Mult.: 40	Wire Lead	150 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 15 ohm 10% 1.5kW Solder Pads WDBR1UL15RKI IRC / TT Electronics 500: 20.26 CHF Non-Stocked	Mfr. Part No. WDBR1UL15RKI Mouser Part No 66-WDBR1UL15RKI	IRC / TT Electronics	Planar Resistors - Chassis Mount 15 ohm 10% 1.5kW Solder Pads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	20.26 CHF	Min.: 500 Mult.: 100	Solder Pad	15 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 15 ohm 10% 1.5kW Flying Leads WDBR1UL15RKL IRC / TT Electronics 520: 23.12 CHF Non-Stocked	Mfr. Part No. WDBR1UL15RKL Mouser Part No 66-WDBR1UL15RKL	IRC / TT Electronics	Planar Resistors - Chassis Mount 15 ohm 10% 1.5kW Flying Leads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	23.12 CHF	Min.: 520 Mult.: 40	Wire Lead	15 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 20 ohm 10% 1.5kW Solder Pads WDBR1UL20RKI IRC / TT Electronics 500: 20.26 CHF Non-Stocked	Mfr. Part No. WDBR1UL20RKI Mouser Part No 66-WDBR1UL20RKI	IRC / TT Electronics	Planar Resistors - Chassis Mount 20 ohm 10% 1.5kW Solder Pads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	20.26 CHF	Min.: 500 Mult.: 100	Solder Pad	20 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 20 ohm 10% 1.5kW Flying Leads WDBR1UL20RKL IRC / TT Electronics 520: 23.12 CHF Non-Stocked	Mfr. Part No. WDBR1UL20RKL Mouser Part No 66-WDBR1UL20RKL	IRC / TT Electronics	Planar Resistors - Chassis Mount 20 ohm 10% 1.5kW Flying Leads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	23.12 CHF	Min.: 520 Mult.: 40	Wire Lead	20 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 22 ohm 10% 1.5kW Solder Pads WDBR1UL22RKI IRC / TT Electronics 500: 20.26 CHF Non-Stocked	Mfr. Part No. WDBR1UL22RKI Mouser Part No 66-WDBR1UL22RKI	IRC / TT Electronics	Planar Resistors - Chassis Mount 22 ohm 10% 1.5kW Solder Pads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	20.26 CHF	Min.: 500 Mult.: 100	Solder Pad	22 Ohms	1.5 kW	10 %	600 PPM / C
Planar Resistors - Chassis Mount 22 ohm 10% 1.5kW Flying Leads WDBR1UL22RKL IRC / TT Electronics 520: 23.12 CHF Non-Stocked	Mfr. Part No. WDBR1UL22RKL Mouser Part No 66-WDBR1UL22RKL	IRC / TT Electronics	Planar Resistors - Chassis Mount 22 ohm 10% 1.5kW Flying Leads Learn More about IRC / TT Electronics tt wdbr power resistors	Datasheet	Non-Stocked	23.12 CHF	Min.: 520 Mult.: 40	Wire Lead	22 Ohms	1.5 kW	10 %	600 PPM / C

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