Description
Item Description:
UB Series – Riedon™ Miniature Silicone Coated Power Resistors by Bourns
Product Specs:
| Brand | Riedon |
| MPN | UBN3-1K5F1 |
| Model | UB Series |
| Power Rating (W) | 2 |
| Max. Ohms (Ω) | 10k |
| Dimension A ±0.062” [±1.6mm] | 0.406 [10.3] |
| Dimension B ±0.031” [±0.8mm] | 0.094 [2.4] |
| Dimension C ±0.002” [±0.05mm] | 0.025 [0.6], 0.020 [0.5] |
| Designed to Mil-R-26 / MIL-R-39007 | RW-80, RWR-80 |
| Tolerances | ±0.01 % to ±10 % (1 % Standard) |
| Temperature Coefficient | >10 Ω: ±20 PPM/°C 1 Ω to 10 Ω: ±50 PPM/°C <1 Ω: Other TCR values available. |
| Temperature Range | -55 °C to +250 °C |
| Maximum Working Voltage | √ (P * R) |
| Dielectric Strength | UB1 / UB2 / UB3: 500 VAC; All Others: 1000 VAC |
| Construction | Centerless ground ceramic core Matte tin over copper Flame resistant / High temperature / trivalent / inorganic Silicone coating All welded terminations |
| Dielectric | ±0.2 % + 0.05 Ω |
| Load Life | To ±1 % depending on size and resistance value |
| Storage | ±0.2 % + 0.05 Ω |
| Moisture Resistance | ±0.2 % + 0.05 Ω |
| Thermal Shock | ±0.2 % + 0.05 Ω |
| 5X Overload (5 s) | ±0.2 % + 0.05 Ω |
| Shock | ±0.1 % + 0.05 Ω |
| Vibration | ±0.1 % + 0.05 Ω |
