STMicroelectronics STGP3NC120HD

Overview

STGP3NC120HD from STMicroelectronics is a 7 A, 1200 V very fast IGBT with integrated ultra-fast soft-recovery antiparallel diode in TO-220 package. It delivers low V_CE(sat) of 2.3 V (typ.) at 3 A and 25 °C, 2.2 V at 125 °C, and exhibits 51 ns reverse recovery time (T_J = 25 °C) for high-efficiency switching in AC-DC PFC and motor drive stages of home appliances.

For engineers reviewing the STGP3NC120HD datasheet, STGP3NC120HD pinout, STGP3NC120HD application, or STGP3NC120HD equivalent, this device is selected for high-voltage, medium-current inductive switching where low conduction loss, controlled di/dt, and minimized switching tail current are critical - especially in compact, thermally constrained designs requiring D²PAK/TO-220 footprint compatibility.

Technical Context

This IGBT employs ST's PowerMESH vertical structure to optimize the trade-off between V_CE(sat) (2.3 V typ.) and switching speed (t_d(off) = 118 ns, t_f = 250 ns at 25 °C), enabling efficient operation up to 20 kHz in hard-switched topologies. Its integrated diode features soft recovery (Q_rr = 85 nC, I_rrm = 3.3 A) to reduce EMI and voltage overshoot during turn-off.

The device operates across T_J = −55 to 150 °C, with R_thJC = 1.65 °C/W (IGBT) and R_thJC = 3.5 °C/W (diode), supporting direct mounting on heatsinks. Gate threshold voltage (V_GE(th)) ranges 2–5 V, ensuring robust noise immunity while enabling standard +15 V gate drive.

Key Specifications

Pinout & Package

STGP3NC120HD uses a TO-220 package with isolated tab (collector-connected). The case is electrically isolated per V_ISO = 2500 V RMS, enabling direct heatsink mounting without insulating pads in grounded-chassis designs.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage IGBT applications.

Compared with STGF3NC120HD and STGB3NC120HDT4, STGP3NC120HD uniquely combines TO-220 mechanical ruggedness, isolated-tab safety, and low R_thJC - making it optimal for field-serviceable, thermally demanding, and safety-certified home appliance inverters.

Availability

STGP3NC120HD is available at Aetrix Electronics and suitable for home appliance inverters, industrial HVAC fan drives, LED streetlight PFC stages, and washing machine motor controllers requiring stable component supply across multi-year production cycles.

Supply support for STGP3NC120HD includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for automotive, industrial, and consumer markets.

This device belongs to ST's PowerMESH™ IGBT family, engineered specifically for high-voltage, medium-current switching in energy-efficient home appliances and industrial motor drives where reliability, thermal performance, and EMI control are critical.

FAQ

What is the maximum gate-emitter voltage rating for STGP3NC120HD?

The absolute maximum V_GE is ±20 V, with recommended operating range of −10 V to +15 V. Exceeding +15 V risks accelerated gate oxide degradation, while negative bias below −10 V may cause unintended turn-on due to Miller capacitance coupling. Gate drive circuits must limit transient overshoot using clamping diodes or RC snubbers.

Can STGP3NC120HD be used in parallel configurations?

Yes, but only with matched devices and individual gate resistors (RG ≥ 10 Ω) to ensure current sharing. The device exhibits positive V_CE(sat) temperature coefficient above 100 °C, aiding thermal stability. However, layout symmetry, identical trace inductance, and Kelvin emitter connections are mandatory to prevent dynamic imbalance during switching.

What is the safe operating area (SOA) limitation at 100 °C case temperature?

At T_C = 100 °C, the maximum non-repetitive pulsed collector current (I_CP) is 20 A for pulse widths < 100 μs, bounded by RBSOA. Continuous operation is limited to 7 A per Table 1. SOA curves in Figure 16 confirm second-breakdown immunity up to 800 V × 7 A at 100 °C, provided gate drive remains stable and heatsinking maintains T_J ≤ 150 °C.

Does the integrated diode require external anti-parallel placement?

No - the antiparallel diode is monolithically integrated and electrically connected between emitter and collector terminals. Its soft recovery characteristics (trr = 51 ns, Q_rr = 85 nC) are fully characterized and validated for use in bridge-leg commutation without external diodes. External diodes would introduce parasitic inductance and degrade performance.