UB Riedon™ Miniature Silicone Coated Resistors

Bourns UB Riedon™ Miniature Silicone Coated Power Resistors with excellent pulse handling are designed to Mil-R-26/Mil-R-39007 power ratings. These resistors feature 1W to 15W power ratings, 0.02KΩ to 260KΩ resistances, ±0.01% resistance tolerance, and ±20PPM/°C low Temperature Coefficient of Resistance (TCR). The UB power resistors operate within the -55°C to 250°C temperature range and are RoHS compliant. These resistors are used in motor drives, smart meters, solar inverters, baseband units, and capacitor charge/discharge circuits.

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Qty. RoHS ECAD Model Resistance
Power Rating
Tolerance
Termination Style
Length
Diameter
Minimum Operating Temperature
Maximum Operating Temperature
Series
Packaging
Bourns Wirewound Resistors - Through Hole UB-3C 2 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

2 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 300 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

300 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 30 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

30 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 330 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

330 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 3.3 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

3.3 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 3 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

3 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 40 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

40 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 470 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

470 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 4 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

4 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 500 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

500 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 560 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

560 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 56 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

56 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 5 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

5 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 680 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

680 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 75 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

75 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 7.5 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

7.5 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-3C 8.2 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

8.2 Ohms 3 W 1 % Axial 8.9 mm 4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-5 10K 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

10 kOhms 4 W 1 % Axial 14.2 mm 4.7 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-5 225 OHM 0.1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

225 Ohms 4 W 0.1 % Axial 14.2 mm 4.7 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-5 51.1 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

51.1 Ohms 4 W 1 % Axial 14.2 mm 4.7 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-5C 0.25 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

250 mOhms 5 W 1 % Axial 12.7 mm 6.4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-5C 0.2 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

200 mOhms 5 W 1 % Axial 12.7 mm 6.4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-5C 0.33 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,000
Mult.: 1,000

330 mOhms 5 W 1 % Axial 12.7 mm 6.4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-5C 0.5 OHM 1%
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

500 mOhms 5 W 1 % Axial 12.7 mm 6.4 mm - 55 C + 250 C UB Bulk
Bourns Wirewound Resistors - Through Hole UB-5C 11 OHM 1% T&R
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1
Reel: 1,000

11 Ohms 5 W 1 % Axial 12.7 mm 6.4 mm - 55 C + 250 C UB Reel, Cut Tape