SR6G7C4 - High-Speed IGBT | STMicroelectronics
MPN: SR6G7C4 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.25 | $3.25 |
| 10 | $2.95 | $29.50 |
| 100 | $2.65 | $265.00 |
| 500 | $2.4 | $1,200.00 |
| 1,000 | $2.15 | $2,150.00 |
SR6G7C4 Overview
An IGBT (Insulated Gate Bipolar Transistor) is a three-terminal power semiconductor device that combines the high input impedance of a MOSFET with the low on-state voltage drop of a bipolar transistor. It is a key component in power electronics, serving as a switch in applications such as inverters, converters, and motor drives. IGBTs are part of the power semiconductor family, which also includes power MOSFETs and thyristors, and are essential for efficient power management in industrial and automotive systems.
Key features of the SR6G7C4 include a low saturation voltage of 1.8V at 30A, a fast switching speed with a fall time of 60ns, and a maximum junction temperature of 175°C. The device also features a built-in anti-parallel diode, which simplifies circuit design and reduces component count. These specifications make it ideal for high-frequency switching applications where efficiency and thermal performance are critical.
The SR6G7C4 utilizes a trench-gate field-stop technology, which reduces on-state losses and improves switching performance compared to conventional punch-through IGBTs. The device has a low gate charge of 120nC, enabling fast switching with minimal gate drive power. The built-in diode has a reverse recovery time of 80ns, which minimizes switching losses in bridge topologies.
Typical applications include solar inverters, uninterruptible power supplies (UPS), welding machines, and motor drives. In solar inverters, the SR6G7C4's high efficiency and fast switching enable maximum power point tracking (MPPT) with minimal losses. In UPS systems, its robust thermal performance ensures reliable operation under continuous load conditions.
When designing with the SR6G7C4, ensure proper gate drive voltage (typically 15V) and adequate snubber circuits to manage voltage spikes during switching. The TO-247 package requires a heatsink for high-power applications; thermal resistance is 0.5°C/W, so a heatsink with a thermal resistance of 1°C/W or lower is recommended for continuous operation at 30A.
Drop-in alternatives for SR6G7C4 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with SR6G7C4 (same form factor and footprint) — differing in Mounting Type, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STGW30NC60WD
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
STGW30N60D
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
IRGP4063DPBF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
FGL30N60NTD
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
SR6G7C4 Maximum Ratings & Electrical Characteristics
| Collector-Emitter Voltage (Vces) | 600 V |
| Continuous Collector Current (Ic) | 30 A |
| Pulsed Collector Current (Icm) | 60 A |
| Saturation Voltage (Vce(sat)) | 1.8 V at 30 A |
| Gate-Emitter Voltage (Vge) | ±20 V |
| Power Dissipation (Ptot) | 150 W |
| Switching Fall Time (tf) | 60 ns |
| Reverse Recovery Time (trr) | 80 ns |
| Gate Charge (Qg) | 120 nC |
| Maximum Junction Temperature (Tj) | 175 °C |
| Thermal Resistance (RthJC) | 0.5 °C/W |
| Package | TO-247 |
| Mounting Type | Through Hole |
| Technology | Trench Field-Stop |
| RoHS Status | Compliant |
SR6G7C4 Pin Configuration
| Pin 1 | Gate — Gate drive input |
| Pin 2 | Collector — Collector terminal |
| Pin 3 | Emitter — Emitter terminal |
Safe Operating Area (DC)
Typical Applications
SR6G7C4 is suitable for 6 applications: Solar Inverters, Uninterruptible Power Supplies (UPS), Welding Machines, Motor Drives, Power Factor Correction (PFC), Induction Heating.
Solar Inverters
The SR6G7C4 is used in solar inverter power stages for DC-AC conversion. Its 600V rating and 30A current capability handle the high voltages and currents from solar panels. The low saturation voltage (1.8V) minimizes conduction losses, improving overall inverter efficiency. The fast switching speed (60ns fall time) enables high-frequency operation, reducing the size of magnetic components. In a typical solar inverter, the SR6G7C4 is used in a full-bridge topology with a gate driver IC like the IR2110. The built-in diode handles freewheeling current, simplifying the design. Proper heatsinking is essential to manage the power dissipation, especially at high ambient temperatures.
Recommended
Uninterruptible Power Supplies (UPS)
In UPS systems, the SR6G7C4 is used in the inverter stage to convert DC from the battery to AC for the load. Its high current rating (30A) supports loads up to 7kW in single-phase systems. The fast switching speed ensures clean sine wave output with low harmonic distortion. The device's thermal performance allows continuous operation under full load. The SR6G7C4 is typically used in a half-bridge or full-bridge configuration with a microcontroller generating PWM signals. The built-in diode reduces component count and improves reliability. For a 3kVA UPS, two SR6G7C4 devices are used in a half-bridge topology.
Recommended
Welding Machines
The SR6G7C4 is used in inverter-based welding machines for high-frequency switching. Its 600V rating and 30A current capability handle the high currents required for welding. The low saturation voltage reduces power losses, improving energy efficiency. The fast switching speed enables high-frequency operation (up to 20kHz), reducing transformer size and weight. In a typical welding machine, the SR6G7C4 is used in a full-bridge inverter with a PWM controller like the SG3525. The built-in diode handles the inductive load of the welding transformer. Proper gate drive and snubber circuits are essential to manage voltage spikes.
Recommended
Motor Drives
The SR6G7C4 is used in variable frequency drives (VFDs) for controlling AC motors. Its 600V rating and 30A current capability make it suitable for motors up to 15kW. The fast switching speed enables high-frequency PWM, reducing motor noise and improving efficiency. The low saturation voltage minimizes conduction losses, especially at high currents. In a typical VFD, the SR6G7C4 is used in a three-phase inverter bridge with a gate driver IC like the IR2130. The built-in diode provides freewheeling current paths for inductive motor loads. Proper thermal management is required to handle the power dissipation during continuous operation.
Recommended
Power Factor Correction (PFC)
The SR6G7C4 is used in active PFC circuits to improve power factor in power supplies. Its 600V rating and 30A current capability handle the high voltages and currents in boost converters. The fast switching speed enables high-frequency operation, reducing inductor size. The low saturation voltage improves efficiency, reducing heat generation. In a typical PFC circuit, the SR6G7C4 is used in a boost converter with a controller like the UC3854. The built-in diode serves as the boost diode, simplifying the design. Proper gate drive and snubber circuits are essential to manage switching losses.
Recommended
Induction Heating
The SR6G7C4 is used in induction heating systems for high-frequency switching. Its 600V rating and 30A current capability handle the high currents in resonant circuits. The fast switching speed enables operation at frequencies up to 100kHz, which is required for efficient induction heating. The low saturation voltage reduces conduction losses, improving efficiency. In a typical induction heater, the SR6G7C4 is used in a half-bridge or full-bridge resonant inverter with a controller like the IR2153. The built-in diode handles the resonant current. Proper gate drive and snubber circuits are essential to manage high dv/dt.
Recommended
Recommended Products Summary
Engineering reference data for SR6G7C4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STGW30NC60WD | STGW30N60D | IRGP4063DPBF | FGL30N60NTD |
|---|---|---|---|---|---|
| Package | TO-247 | TO-247 | TO-247 | TO-247 | TO-247 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | Infineon | onsemi |
| Collector-Emitter Voltage | 600 V | 600 V | 600 V | 600 V | 600 V |
| Continuous Collector Current | 30 A | 30 A | 30 A | 30 A | 30 A |
| Saturation Voltage | 1.8 V | 1.9 V | 2.0 V | 1.9 V | 1.9 V |
| Fall Time | 60 ns | 70 ns | 80 ns | 65 ns | 70 ns |
| Gate Charge | 120 nC | 130 nC | 140 nC | 125 nC | 135 nC |
| Maximum Junction Temperature | 175 °C | 175 °C | 150 °C | 175 °C | 175 °C |
Key Differentiators
- Lower saturation voltage (1.8V) compared to alternatives (vs STGW30NC60WD)
- Faster switching speed (60ns fall time) (vs STGW30N60D)
- Higher maximum junction temperature (175°C) (vs STGW30N60D)
Design Notes
The SR6G7C4 has a maximum power dissipation of 150W and a thermal resistance of 0.5°C/W. For continuous operation at 30A, the power loss is approximately 54W (Vce(sat) * Ic). To maintain a junction temperature below 125°C, a heatsink with a thermal resistance of 1°C/W or lower is required. Use thermal paste and ensure proper mounting torque (0.5-0.8 Nm) for optimal heat transfer.
For the TO-247 package, ensure the PCB has adequate copper area for the collector and emitter pins to handle high currents. Use wide traces (at least 2mm) and multiple vias for thermal relief. Place the gate drive circuit close to the gate pin to minimize parasitic inductance. Add a gate resistor (typically 10-20 ohms) to control switching speed and reduce EMI.
Do not exceed the maximum gate-emitter voltage of ±20V. Use a gate drive voltage of 15V for turn-on and -5V for turn-off to ensure fast switching and prevent false turn-on. Add a snubber circuit (RC or RCD) across the collector-emitter to manage voltage spikes during switching. Ensure the built-in diode is not used as a primary rectifier; it is intended for freewheeling only.
Compliance Information
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive applications, consider STGW30NC60WD-Q1 if available.
