Taiwan Semiconductor Corporation S10GCHV7G

Overview

S10GCHV7G from Taiwan Semiconductor is a 10A, 400V surface-mount silicon rectifier diode in DO-214AB (SMC) package, featuring glass-passivated junction, 1.1V max forward voltage at 10A, and 250A peak surge current capability; used in AC/DC front-end stages of switching mode power supplies.

For engineers reviewing the S10GCHV7G datasheet, S10GCHV7G pinout, S10GCHV7G application, or S10GCHV7G equivalent, key selection criteria include repetitive peak reverse voltage (400V), thermal resistance (10°C/W junction-to-lead), moisture sensitivity level (J-STD-020 Level 1), RoHS/halogen-free compliance, and SMC-compatible automated placement suitability.

Technical Context

This single-die standard recovery rectifier operates with a maximum junction temperature of 150°C and supports continuous forward current up to 10A at TA = 25°C. Its 400V VRRM rating and 280V VR(RMS) make it suitable for universal-input offline SMPS designs where moderate voltage blocking and high surge tolerance are required.

The device exhibits low leakage-1µA typical reverse current at 25°C and 250µA at 125°C-and a junction capacitance of 60pF at 1MHz/4V, enabling stable performance in high-frequency switching environments without excessive capacitive loading on gate drivers or controllers.

Key Specifications

Pinout & Package

DO-214AB (SMC) surface-mount package with matte tin-plated leads, polarity indicated by cathode band; weight ≈ 0.270g. Compliant with UL 94V-0 and JESD201 Class 2 whisker resistance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar rectifier applications.

Compared with MUR1040 and VS-10EWH04-M3, the S10GCHV7G delivers optimal balance of surge robustness (250A IFSM), thermal performance (10°C/W RθJL), and cost for industrial and commercial SMPS-not optimized for ultrafast switching but highly reliable in standard 60–100kHz applications with demanding surge requirements.

Availability

S10GCHV7G is available at Aetrix Electronics and suitable for switching mode power supplies, LED lighting drivers, and industrial DC-DC converter input stages requiring stable component supply, long-lifecycle availability, and J-STD-020 Level 1 moisture handling.

Supply support for S10GCHV7G 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

Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in power rectifiers, TVS diodes, MOSFETs, and ICs since 1979.

The S10GC–S10MC series was designed specifically for high-reliability, cost-optimized AC/DC front-end rectification in consumer, industrial, and lighting power supplies-emphasizing surge resilience, thermal efficiency, and automated assembly compatibility.

FAQ

What is the maximum repetitive peak reverse voltage (VRRM) rating for S10GCHV7G?

The S10GCHV7G has a VRRM rating of 400 V, meaning it can block up to 400 volts of repetitive reverse voltage without breakdown. This value is specified under standard test conditions (TA = 25°C) and provides sufficient margin for 230VAC mains applications where peak line voltage reaches ~325V. The S10GCHV7G datasheet confirms this rating in its Absolute Maximum Ratings table alongside other variants like S10JC (600V) and S10MC (1000V).

Does S10GCHV7G support lead-free reflow soldering processes?

Yes, the S10GCHV7G supports lead-free reflow soldering. Its matte tin-plated leads comply with J-STD-002 for solderability, and the device is rated MSL Level 1 per J-STD-020-meaning it has unlimited floor life and requires no dry-packaging or baking prior to assembly. The molding compound meets UL 94V-0, and the entire construction is RoHS-compliant and halogen-free per IEC 61249-2-21.

What is the thermal resistance from junction to lead (RθJL) for S10GCHV7G, and why does it matter?

The S10GCHV7G has a typical junction-to-lead thermal resistance (RθJL) of 10°C/W. This parameter quantifies how effectively heat flows from the silicon die to the PCB copper via the leads. A lower RθJL enables more efficient heat dissipation without large external heatsinks-critical for compact, high-power-density designs like slim power adapters. It directly impacts allowable continuous current derating curves shown in the S10GCHV7G datasheet.

How does the forward voltage (VF) of S10GCHV7G compare to similar 10A rectifiers, and what is its impact on efficiency?

The S10GCHV7G specifies a maximum forward voltage of 1.1 V at 10 A and 25°C. This is competitive with industry-standard 10A rectifiers (e.g., Vishay VS-10EWH04-M3: 1.05 V; ON Semi MUR1040: 1.25 V). At full load, this translates to ~11 W conduction loss per device-directly affecting overall SMPS efficiency and thermal management. Lower VF reduces both power loss and junction temperature rise, extending reliability in sustained operation.

Is S10GCHV7G suitable for use in lighting applications such as LED drivers?

Yes, the S10GCHV7G is explicitly listed in its official documentation for lighting applications. Its 400V VRRM, 10A IF rating, low reverse leakage (1 µA at 25°C), and MSL Level 1 handling make it well-suited for input rectification in constant-voltage LED drivers operating from 120/230VAC. The device's glass-passivated junction also ensures long-term stability under thermal cycling common in enclosed luminaires.