UWP High Power Ceramic Wirewound Resistors

Bourns UWP Series High Power Ceramic Wirewound Resistors offer power ratings of 20W, 30W, 40W, 60W, or 100W with resistances from 0.5Ω to 1KΩ, tolerances 1% or 5%. Formerly a Riedon product, the Bourns UWP Series Resistors offer all-welded and flameproof inorganic construction. RoHS-compliant and non-inductive windings are available. 

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Qty. RoHS ECAD Model Resistance
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Tolerance
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Temperature Coefficient
Length
Width
Height
Minimum Operating Temperature
Maximum Operating Temperature
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Packaging
Bourns Wirewound Resistors - Chassis Mount UWP-30 100 OHM 5% BKT
Datasheet
97In Stock
Min.: 1
Mult.: 1

100 Ohms 30 W 5 % Screw 260 PPM / C 74 mm 37.4 mm 30 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-30 50 OHM 5% BKT
Datasheet
100In Stock
Min.: 1
Mult.: 1

50 Ohms 30 W 5 % Screw 260 PPM / C 74 mm 37.4 mm 30 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-30 20 OHM 5% BKT
Datasheet
52In Stock
Min.: 1
Mult.: 1

20 Ohms 30 W 5 % Screw 260 PPM / C 74 mm 37.4 mm 30 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-40 1 OHM 5% BKT
Datasheet
98Expected 2026/02/09
Min.: 1
Mult.: 1

1 Ohms 40 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-100 100 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

100 Ohms 100 W 5 % Screw 260 PPM / C 113 mm 41.1 mm 30.7 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-100 10 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 100
Mult.: 100

10 Ohms 100 W 5 % Screw 260 PPM / C 113 mm 41.1 mm 30.7 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-100 120 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 100
Mult.: 100

120 Ohms 100 W 5 % Screw 260 PPM / C 113 mm 41.1 mm 30.7 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-100 150 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 100
Mult.: 100

150 Ohms 100 W 5 % Screw 260 PPM / C 113 mm 41.1 mm 30.7 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-100 20 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

20 Ohms 100 W 5 % Screw 260 PPM / C 113 mm 41.1 mm 30.7 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-100 30 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 100
Mult.: 100

30 Ohms 100 W 5 % Screw 260 PPM / C 113 mm 41.1 mm 30.7 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-100 50 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

50 Ohms 100 W 5 % Screw 260 PPM / C 113 mm 41.1 mm 30.7 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-30 0.5 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

500 mOhms 30 W 5 % Screw 260 PPM / C 74 mm 37.4 mm 30 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-30 10 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

10 Ohms 30 W 5 % Screw 260 PPM / C 74 mm 37.4 mm 30 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-30 1 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 500
Mult.: 100

1 Ohms 30 W 5 % Screw 260 PPM / C 74 mm 37.4 mm 30 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-30 5 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 500
Mult.: 100

5 Ohms 30 W 5 % Screw 260 PPM / C 74 mm 37.4 mm 30 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-40 0.5 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 500
Mult.: 100

500 mOhms 40 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-40 100 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

100 Ohms 40 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-40 10 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

10 Ohms 40 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-40 1K 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 500
Mult.: 100

1 kOhms 40 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-40 20 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 500
Mult.: 100

20 Ohms 40 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-40 50 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 500
Mult.: 100

50 Ohms 40 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-40 50 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 500
Mult.: 100

50 Ohms 40 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-40 5 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 500
Mult.: 100

5 Ohms 40 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-60 0.5 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 200
Mult.: 100

500 mOhms 60 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box
Bourns Wirewound Resistors - Chassis Mount UWP-60 1 OHM 5% BKT
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

1 Ohms 60 W 5 % Screw 260 PPM / C 90 mm 37.4 mm 29 mm - 55 C + 275 C UWP Box