Taiwan Semiconductor Corporation S5D V7G

Overview

S5D V7G from Taiwan Semiconductor is a 200 V, 5 A surface-mount standard rectifier diode in DO-214AB (SMC) package, featuring 100 A peak surge current capability, 1.15 V max forward voltage at 5 A, and 10 µA max reverse leakage at 25°C - deployed in AC/DC front-end rectification stages of compact switching mode power supplies.

For engineers reviewing the S5D V7G datasheet, S5D V7G pinout, S5D V7G application, or S5D V7G equivalent, key selection criteria include repetitive peak reverse voltage (200 V), thermal resistance (13 °C/W junction-to-lead), reverse recovery time (1500 ns), moisture sensitivity level (J-STD-020 Level 1), and RoHS/halogen-free compliance for high-reliability industrial power designs.

Technical Context

The S5D V7G is a single-die, glass-passivated silicon junction rectifier optimized for high-current, medium-voltage DC output generation in space-constrained layouts. Its DO-214AB (SMC) package supports automated placement and delivers 13 °C/W junction-to-lead thermal resistance for efficient heat transfer to PCB copper.

With 1500 ns reverse recovery time and 60 pF junction capacitance at 4 V, the S5D V7G balances switching loss and EMI performance in non-synchronous rectification circuits operating below 100 kHz - typical in offline adapters and LED drivers where cost and robustness outweigh ultrafast recovery requirements.

Key Specifications

Pinout & Package

DO-214AB (SMC) surface-mount package with molded epoxy body, matte tin-plated leads, and cathode band marking. Weight: 0.210 g. UL 94V-0 rated molding compound.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STTH5L06 and ES5D, the S5D V7G offers identical voltage/current ratings and recovery characteristics to ES5D with guaranteed Level 1 MSL, while providing lower forward drop than STTH5L06 - making it optimal for cost-sensitive, thermally constrained 200 V rectification where ultrafast recovery is unnecessary.

Availability

S5D V7G is available at Aetrix Electronics and suitable for switching mode power supplies, LED drivers, and industrial AC/DC adapters requiring stable component supply, consistent parametric performance, and full RoHS/halogen-free compliance.

Supply support for S5D 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 diodes, and MOSFETs for industrial and consumer markets.

The S5D V7G belongs to TSC's S5x series of general-purpose surface-mount rectifiers, engineered for high surge tolerance and manufacturability in high-volume power conversion applications - emphasizing reliability, ease of assembly, and thermal robustness over ultrafast switching.

FAQ

What is the maximum junction temperature rating for the S5D V7G?

The S5D V7G has a maximum junction temperature (T_J) rating of +150°C, verified per absolute maximum ratings table. This allows continuous operation at full 5 A forward current when thermal design maintains junction temperature within this limit - typically achieved using ≥20 mm² copper area on the cathode pad and thermal vias to inner ground planes. The S5D V7G must not exceed 150°C at any point during its operational lifetime.

Is the S5D V7G compatible with lead-free reflow soldering processes?

Yes, the S5D V7G is fully compatible with lead-free reflow soldering. Its matte tin-plated leads meet J-STD-002 solderability requirements, and its DO-214AB (SMC) package is rated for peak reflow temperatures up to 260°C per J-STD-020. The device carries Moisture Sensitivity Level 1, meaning no baking is required prior to reflow - simplifying manufacturing flow and eliminating moisture-related popcorning risk during SMT assembly of the S5D V7G.

What does the 'V7G' suffix indicate in S5D V7G?

The 'V7G' suffix in S5D V7G denotes Taiwan Semiconductor's internal date code and environmental compliance marking: 'V' indicates manufacturing year (2023), '7' indicates week number (week 7), and 'G' signifies green (halogen-free) compound per IEC 61249-2-21. It does not affect electrical specifications - the core device remains the S5D rectifier with 200 V V_RRM and 5 A I_F. All S5D-marked devices share identical parametric performance regardless of suffix.

Can the S5D V7G be used in place of the S5D without suffix?

Yes, the S5D V7G is functionally and mechanically identical to the base S5D part. The 'V7G' suffix reflects traceable manufacturing date and halogen-free material compliance but introduces no electrical, thermal, or packaging differences. Board-level design, thermal layout, and circuit performance remain unchanged when substituting S5D V7G for S5D - both share DO-214AB footprint, 200 V V_RRM, 5 A I_F, and 1.15 V V_F specification.

How does the S5D V7G compare to Schottky rectifiers in the same current class?

The S5D V7G is a standard PN-junction rectifier with 1.15 V forward voltage and 1500 ns reverse recovery time, whereas Schottky alternatives (e.g., SB520) offer ~0.5 V V_F but only up to ~100 V V_RRM. For 200 V applications, the S5D V7G provides higher reverse blocking capability and better temperature stability than Schottky diodes, which suffer from rapid IR increase above 125°C. The S5D V7G is preferred where reverse voltage margin and thermal robustness outweigh ultra-low V_F benefits.