Taiwan Semiconductor Corporation SK83C V7G

Overview

SK83C V7G from Taiwan Semiconductor is a 30V, 8A surface-mount Schottky barrier rectifier in DO-214AB (SMC) package, featuring low forward voltage (0.55V at 8A, 25°C), high surge current capability (150A), and junction temperature rating up to +150°C. It is used in high-efficiency DC/DC converters and AC/DC adapters.

For engineers reviewing the SK83C V7G datasheet, SK83C V7G pinout, SK83C V7G application, or SK83C V7G equivalent, key selection criteria include repetitive peak reverse voltage (30V), forward voltage drop at rated current, thermal resistance (20°C/W), reverse leakage at elevated temperature (15mA at 100°C), and RoHS/halogen-free compliance.

Technical Context

The SK83C V7G implements a single-die Schottky junction optimized for low conduction loss in medium-voltage switching power supplies. Its guard ring structure provides overvoltage protection, and its matte tin-plated leads meet J-STD-002 solderability requirements with JESD 201 Class 2 whisker resistance.

Rated for operation from –55°C to +150°C junction temperature, the device supports high-reliability industrial and adapter applications where thermal stability and surge robustness (150A IFSM, 8.3ms half-sine) are critical. It exhibits 10,000 V/µs dV/dt capability and meets UL 94V-0 flammability standards in its DO-214AB molding compound.

Key Specifications

Pinout & Package

Package: DO-214AB (SMC), surface-mount, cathode indicated by band. Matte tin-plated leads, moisture sensitivity level 1 (J-STD-020), UL 94V-0 compliant molding compound.

Key Features

Applications

Equivalent & Alternatives

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

Compared with VS-8EWH03FN-M3/45 and SB830, the SK83C V7G delivers the lowest VF (0.55V typ) in DO-214AB, enabling superior thermal performance and efficiency in thermally limited adapter and converter designs - especially where junction temperature must stay below +125°C under continuous 8A load.

Availability

SK83C V7G is available at Aetrix Electronics and suitable for AC/DC adapters, DC/DC converters, and LED lighting applications requiring stable component supply, consistent parametric performance, and full RoHS/halogen-free compliance.

Supply support for SK83C V7G 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 devices, and MOSFETs since 1995.

The SK83C V7G belongs to TSC's SK8xC Schottky rectifier family, engineered specifically for high-efficiency, high-reliability secondary-side rectification in consumer and industrial power supplies.

FAQ

What is the maximum junction temperature rating for the SK83C V7G?

The SK83C V7G has a maximum junction temperature (TJ max) of +150°C, allowing operation in thermally demanding environments such as enclosed adapters or high-ambient industrial power supplies. This rating is confirmed in the Absolute Maximum Ratings table and applies across the full voltage range of the SK8xC series. The SK83C V7G maintains specified electrical performance up to this limit when thermal design accounts for its 20°C/W RθJA.

Does the SK83C V7G have a guard ring, and what function does it serve?

Yes, the SK83C V7G incorporates a guard ring structure explicitly noted in its official features list. This design element enhances edge termination robustness, improving resistance to transient overvoltage events and preventing premature avalanche breakdown at the die periphery. In practical terms, the guard ring allows the SK83C V7G to operate reliably in noisy switching environments - such as those found in flyback converters - without requiring additional external clamping components.

What is the forward voltage drop of the SK83C V7G at rated current and temperature?

The SK83C V7G has a typical forward voltage (VF) of 0.55 V at 8 A and 25°C, measured under pulsed conditions (PW = 0.3 ms). At elevated junction temperatures (e.g., 100°C), VF decreases slightly due to Schottky physics, but the datasheet specifies no maximum VF limit above 25°C. This low VF value is a key differentiator for the SK83C V7G versus alternatives like SB830, directly contributing to reduced conduction losses in high-current power stages.

Is the SK83C V7G compatible with lead-free reflow soldering processes?

Yes, the SK83C V7G is fully compatible with lead-free reflow soldering. Its matte tin-plated leads meet J-STD-002 solderability requirements, and its moisture sensitivity level is rated at Level 1 per J-STD-020 - meaning it can be stored indefinitely at ≤30°C/60% RH without baking prior to assembly. The device's DO-214AB package is qualified for standard Pb-free reflow profiles, including peak temperatures up to 260°C.

How does the SK83C V7G compare to the SK82C in terms of reverse voltage rating and application scope?

The SK83C V7G has a repetitive peak reverse voltage (VRRM) of 30 V, whereas the SK82C is rated at 20 V. This 10 V increase expands the SK83C V7G's usability in higher-input-voltage topologies - for example, in 24 V-output SMPS with wider input ranges or in 30 V-rated bus systems. Both share identical package, current rating, thermal specs, and forward voltage, making the SK83C V7G a direct upgrade where higher reverse margin is needed without layout change.