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 | % | Room temperature | |
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. 700 | s | Heating phase free in air |
Thermal time constant | 𝜏 | approx. 1,000 | s | Cooling phase free in air |
Weight | m | 155 | g | |
Certifications | cURus3 | Standard CSA-C22.2 and UL508 | ||
Energy absorption | Q | 2,4 | kJ | with 1.2 s (1% duty cycle) |
3,6 | kJ | with 7.2 s (6% duty cycle) | ||
Maximum permissible operating voltage | UB | ≤ 700 AC | V | Taking into consideration the „intrinsic safety“2 |
Maximum permissible operating voltage | UB | ≤ 1.000 DC | V | Taking into consideration the „intrinsic safety“2 |
Maximum permissible operating voltage | UB | ≤ 600 AC | V | according to UL |
Maximum permissible operating voltage | 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 and mounting holes (mm)