Origin Electric MS1250D225P Diode Capacitor Snubber Module
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MS1250D225P — Snubber Module for IGBT Circuits
The MS1250D225P is a snubber module designed to suppress voltage transients and switching losses in IGBT applications. It combines a fast recovery diode with a polypropylene film capacitor, ensuring controlled energy dissipation and reliable protection during high-frequency switching. This integration reduces stress on semiconductors, extending their operating life in industrial and commercial systems.
With a diode rated at 1200 V reverse voltage and 50 A average forward current, the MS1250D225P offers strong surge capacity and short recovery times. The capacitor element is rated at 2.2 µF ±10% with a high pulse current capability, making the module suitable for repetitive switching environments. Its robust insulation, low inductance construction, and wide temperature range allow stable operation in inverters, UPS systems, and motor drives.
The MS1250D225P is part of the MS1250D225 series manufactured by Origin. It is RoHS compliant and designed for long-term use under demanding electrical and thermal conditions. For detailed performance charts, mechanical drawings, and application guidelines, please refer to the official Origin datasheet linked below.
Key Specs
| Parameter | Value |
|---|---|
| Manufacturer | Origin |
| Series | MS1250D225 |
| Part number | MS1250D225P |
| Module type | Snubber module (diode + capacitor) |
| Diode reverse voltage (VRM) | 1200 V |
| Average forward current (IO) | 50 A (TT = 50 °C, resistive load) |
| Peak surge current (IFSM) | 500 A (50 Hz half sine, non-repetitive) |
| Forward voltage drop (Vf) | ≤ 2.7 V (IF = 50 A, Ta = 25 °C) |
| Reverse current (IR) | 100 µA (VR = 1200 V, Ta = 25 °C) |
| Reverse recovery time (trr) | 200 ns (IF = 30 A, dIF/dt = 300 A/µs) |
| Capacitor capacitance | 2.2 µF ±10% (polypropylene film) |
| Dissipation factor (tan δ) | 0.001 |
| Capacitor pulse current | 220 A (peak-to-peak) |
| Operating temp. (module) | –40 °C to +85 °C |
| Junction temp. (diode) | –40 °C to +150 °C |
| Isolation withstand voltage | 2500 V for 1 min / 3000 V for 1 s |
| Insulation resistance | 100 MΩ (DC 500 V) |
| Compliance | RoHS |
For complete details, please see the official Origin datasheet MS1250D225N/P Datasheet (PDF, Origin)
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