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$45.46
| Voltage | WPC | AH/kVA | Length | Width | Height | Weight |
|---|---|---|---|---|---|---|
| 1200 V | N/A | 90 A | N/A | N/A | N/A | 170 g |
| Voltage | 1200 V |
| WPC | N/A |
| Amp/H | 90 A |
| Length | N/A |
| Width | N/A |
| Height | N/A |
| Weight | 170 g |
1.2 kV / 90 A dual SCR module from the SanRex PK90HB series for rectifiers and AC power control. It offers high surge capability with robust dv/dt and di/dt ratings, and uses an electrically isolated mounting base for simple heatsinking in compact stacks.
| Parameter | Value |
| Manufacturer | SanRex (Sansha Electric) |
| Part Number | PK90HB120 |
| Device Type | Dual phase-control thyristor module |
| Repetitive Peak Off-State / Reverse Voltage (VDRM / VRRM) | 1200 V |
| Non-Repetitive Peak Reverse Voltage (VRSM) | 1350 V |
| Average On-State Current (IT(AV)) | 90 A (single-phase, half-wave, 180°, per module) |
| R.M.S. On-State Current (IT(RMS)) | 140 A |
| Surge On-State Current (ITSM) | 1800 A (one-cycle, 50/60 Hz, non-rep.) |
| Peak On-State Voltage (VTM) | 1.40 V max @ IT=270 A, Tj=125 °C (inst.) |
| Gate Trigger (IGT / VGT) | ≤ 100 mA / ≤ 2.0 V @ Tj=25 °C |
| Non-Trigger Gate Voltage (VGD) | ≥ 0.25 V @ 125 °C, VD=½VDRM |
| Holding / Latching Current (IH / IL) | ≈ 100 mA (typ.) / (series-typical) |
| Critical dv/dt (min) | 500 V/µs (at specified conditions) |
| Critical di/dt | 200 A/µs (IG=100 mA, Tj=25 °C) |
| Repetitive Off-State / Reverse Current | ≈ 15 mA max @ VDRM, Tj=125 °C |
| Thermal Impedance Rth(j-c) | 0.30 °C/W (junction-to-case) |
| Isolation Breakdown (VISO) | 2500 VRMS / 1 min (base-to-terminals) |
| Operating / Storage Temp. | −40…+125 °C / −40…+125 °C |
| Mount / Terminal Torque | M6: 2.5–3.9 N·m; M5: 1.5–2.5 N·m (recommended) |
| Mass | ≈ 170 g |
| Package / Footprint | PK90HB series module; screw terminals; two mount holes; isolated base |
| Configuration | Dual SCRs (phase-control) |
| Module | Applications | Notes |
| PK90HB120 | Rectifiers; AC/DC motor drives; heater controls; light dimmers; static switches | Observe surge (ITSM) and dv/dt/di/dt limits; ensure flat, greased heatsink interface. |
