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$220.00
| Voltage | WPC | AH/kVA | Length | Width | Height | Weight |
|---|---|---|---|---|---|---|
| 1600 V | N/A | 393 A | N/A | N/A | N/A | 1 kg |
| Voltage | 1600 V |
| WPC | N/A |
| Amp/H | 393 A |
| Length | N/A |
| Width | N/A |
| Height | N/A |
| Weight | 1 kg |
1.6Â kV, 250Â A dual SCR (phase-control) block used in soft-starts, controlled rectifiers, and UPS input bridges.
Isolated DCB base simplifies heatsinking; robust surge and dv/dt/di/dt handling for industrial AC control.
| Parameter | Value |
| Manufacturer | Powerex |
| Part Number | 143-224-002H |
| Device Type | Dual phase-control thyristor module (inverse-parallel) |
| Repetitive Peak Off-State / Reverse Voltage (VDRM, VRRM) | 1600Â V |
| On-State Current, RMS (ITRMS) | ≈ 393 A (180° sine) |
| Average On-State Current (per arm) | ITAV = 250 A @ TC≈85–89 °C |
| Surge On-State Current | ITSM = 8.8Â kA (1-cycle, 60Â Hz) |
| I²t (8.3 ms) | ≈ 322 kA²·s |
| Critical dV/dt (min) | 500 V/µs (gate open) |
| Critical di/dt (non-rep.) | 800 A/µs |
| Gate Trigger / Holding | IGT ≤ 150 mA; VGT ≤ 3.0 V; IH ≤ 150 mA |
| Thermal Resistance | RθJC ≈ 0.14 °C/W (per junction); RθCS ≈ 0.03 °C/W (greased) |
| Isolation (baseplate) | 2.5–3.6 kVRMS / 1 min (family) |
| Operating Junction Range | −40 °C to +130 °C |
| Package / Footprint | ND43 POW-R-BLOK™; ~116 × 50 × 55 mm; ≈ 0.84 kg; M8 power studs; keyed 2.8 mm control tabs |
| Configuration | Dual (two SCRs, inverse-parallel) |
| Module | Applications | Notes |
| 143-224-002H (ND43 class) | Soft-starts; controlled rectifiers; AC regulators; UPS input bridges | Use ND43 mounting centers; observe surge and dv/dt/di/dt limits. |
