BE Services, Inc., a subsidiary of Bourns, Inc., has purchased substantially all of Riedon's assets. See Press Release
High Pulse Resistors
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UB Series Miniature Silicone Coated Power Resistors |  |
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| Type | Wattage Rating (Watts) | Max Ohms2 | Dimensions | Max Working Voltage | MIL-R-26/ MIL-R-39007 Style |
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|---|---|---|---|---|---|---|---|
| A ±0.062" [±1.6mm] | B3 ±0.031" [±0.8mm] | C1 ±0.002" [±0.05mm] |
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| UB-1 | 1 | 3.4K | 0.250[6.4] | 0.085[2.2] | 0.020 [0.5] 0.025 [0.6] |
33 | RW-81 RWR-81 |
| UB-2 | 1.5 | 7.5K | 0.312[7.9] | 0.078[2.0] | 0.020 [0.5] 0.025[0.6] |
42 | RWR-82 |
| UB-3 | 2 | 10K | 0.406[10.3] | 0.094[2.4] | 0.025 [0.6] 0.020 [0.5] |
80 | RW-80 RWR-80 |
| UB-3C | 3 | 12.5K | 0.350[8.9] | 0.156[4.0] | 0.032 [0.8] | 135 | |
| UB-5 | 4 | 25K | 0.560[14.2] | 0.187[4.7] | 0.032 [0.8] | 162 | |
| UB-5C | 5 | 32K | 0.500[12.7] | 0.218[5.5] | 0.040 [1.0] | 194 | |
| UB-6 | 6 | 50K | 0.625[15.9] | 0.250[6.4] | 0.040 [1.0] | 258 | |
| UB-10 | 7 | 95K | 0.875[22.2] | 0.312[7.9] | 0.040 [1.0] | 425 | RW-84 |
| UB-12 | 10 | 150K | 1.220[31.0] | 0.312[7.9] | 0.040 [1.0] | 607 | |
| UB-15 | 15 | 260K | 1.780[45.2] | 0.375[9.5] | 0.040 [1.0] | 1050 | |
1Lead Diameter: 18 AWG = 0.040" / 22 AWG = 0.025" / 24 AWG = 0.020"
Where more than one lead is listed / the top value is Standard
2For non-inductive windings / divide maximum resistance by 2
3For non-inductive winding where R ≤ 0.10 Ohms, Tolerance is +0.063/-0.00 [+1.6/-0.0 mm]
