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Short-circuit proof, „intrinsically safe“ resistor for use in inverters (brake transistors) in an aluminum case, IP65* protection class.
Contact
Michael Koch GmbH
Phone: +49 7251 96 26-200
| Parameter | Symbol | Value | Unit | Conditions |
|---|---|---|---|---|
| Tolerance (resistance) | ± 5 | % | roomtemperature | |
| Temperature coefficient | TK | 40 … 65 | 10-6/K | |
| Insulation resistance | RISO | ≥ 100 | MΩ | Umess = 1.000 VDC |
| Inductance | L | ≤ 30 | µH | f = 300 kHz, Umess = 50 mV |
| Capacity against enclosure | C | ≤ 300 | pF | f = 300 kHz, Umess = 50 mV |
| Thermal time constant | 𝜏 | approx. 750 | s | Heating phase free in air |
| 𝜏 | approx. 1,080 | s | Cooling phase free in air | |
| Weight | m | 257 | g | |
| Certifications | cURus³ | Standard CSA-C22.2 and UL508 | ||
| Energy absorption | Q | 3.8 | kJ | with 1.2 s (1% duty cycle) |
| 5.4 | kJ | with 7,2 s (6% duty cycle) | ||
| Maximum permissible operating voltage | UB | ≤ 700 AC | V | Taking into consideration the “intrinsic safety“2 |
| UB | ≤ 1,000 DC | V | Taking into consideration the „intrinsic safety“2 | |
| Maximum permissible operating voltage | UB | ≤ 600 AC | V | according to UL |
| UB | ≤ 848 DC | V | according to UL | |
| Isolation voltage | Uiso | ≥ 4,000 AC | V | f = 50 Hz; t = 1 s |
| Max. permissible case temp. | ϑc | ≤ 200 | °C | in consideration of UL and forced cooling |
| Storage temperature | ϑs | -25 … +85 | °C |
Dimensions (mm)
