Taiwan Semiconductor Corporation S2DHR5G

Overview

S2DHR5G from Taiwan Semiconductor is a 2 A, 200 V repetitive peak reverse voltage (V_RRM) standard surface-mount silicon rectifier diode in DO-214AA (SMB) package, featuring glass-passivated junction, low forward voltage drop (≤1.15 V at 2 A), and 50 A surge capability - used in AC/DC front-end rectification for compact SMPS and LED drivers.

For engineers reviewing the S2DHR5G datasheet, S2DHR5G pinout, S2DHR5G application, or S2DHR5G equivalent, key selection criteria include verified V_RRM = 200 V, I_F = 2 A continuous rating, trr = 1500 ns recovery time, R_θJA = 53 °C/W thermal resistance, and DO-214AA mechanical compatibility with automated placement.

Technical Context

This device is a single-die, unidirectional standard recovery rectifier optimized for cost-sensitive, medium-voltage power conversion where fast recovery is not required. It operates with junction temperatures up to +150 °C and supports 8.3 ms half-sine surge currents up to 50 A.

Its electrical behavior is defined by a typical junction capacitance of 30 pF at 4 V reverse bias and reverse leakage ≤1 µA at 25 °C - enabling stable performance in offline adapters and DC-DC converter input stages without snubber complexity.

Key Specifications

Pinout & Package

Package: DO-214AA (SMB), surface-mount, cathode-indicated by band, matte tin-plated leads, UL 94V-0 molding compound, moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STTH2R02 and ES2D, the S2DHR5G delivers identical voltage/current ratings at lower unit cost and simpler thermal design, but requires additional snubbing in high-dV/dt environments due to its 1500 ns recovery time.

Availability

S2DHR5G is available at Aetrix Electronics and suitable for switching mode power supplies, LED lighting drivers, and AC-DC adapters requiring stable component supply, JEDEC-compliant packaging, and RoHS/halogen-free compliance.

Supply support for S2DHR5G 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, serving global power electronics and industrial markets since 1979.

The S2A–S2V series was designed specifically for cost-effective, high-reliability AC/DC rectification in consumer, lighting, and industrial power supplies - emphasizing manufacturability, thermal robustness, and J-STD-020 Level 1 moisture resistance.

FAQ

What is the maximum junction temperature rating for the S2DHR5G?

The S2DHR5G has a maximum junction temperature (T_JMAX) of +150 °C, allowing uninterrupted operation in thermally constrained environments such as sealed LED luminaires or enclosed power adapters. This rating is validated per JEDEC test conditions and enables full 2 A current handling at ambient temperatures up to +75 °C with appropriate PCB copper area. The S2DHR5G maintains parameter stability across its full –55 °C to +150 °C junction range.

Is the S2DHR5G suitable for use in a full-wave bridge rectifier configuration?

Yes, the S2DHR5G is commonly used as one quadrant in discrete full-wave bridge rectifiers due to its 200 V V_RRM, 2 A I_F, and DO-214AA package compatibility. Each S2DHR5G handles one half-cycle conduction path; four units form a complete bridge. Its 50 A I_FSM rating supports surge events during initial power-on, and the glass-passivated junction ensures long-term reliability under repeated thermal cycling in such topologies.

Does the S2DHR5G meet RoHS and halogen-free requirements?

Yes, the S2DHR5G complies with RoHS Directive 2011/65/EU and is halogen-free per IEC 61249-2-21. The molding compound contains no brominated flame retardants, chlorine, or fluorine above threshold limits, and the matte tin-plated leads satisfy J-STD-002 solderability requirements. These certifications are confirmed in Taiwan Semiconductor's official product change notices and material declarations for the S2A–S2V family.

What is the reverse leakage current specification for the S2DHR5G at elevated temperature?

At T_J = 125 °C and rated reverse voltage (200 V), the S2DHR5G exhibits a maximum reverse leakage current (I_R) of 125 µA, per the manufacturer's electrical specifications table. This value is measured under pulse conditions (PW = 30 ms) and reflects stable blocking behavior even under thermal stress - critical for maintaining efficiency in high-ambient lighting or industrial converter applications where junction temperatures routinely exceed 100 °C.

Can the S2DHR5G replace the S2D in existing designs?

Yes, the S2DHR5G is a direct replacement for the S2D variant within the same S2A–S2V family, sharing identical V_RRM = 200 V, I_F = 2 A, DO-214AA package, and marking code "S2D". The "HR5G" suffix denotes green (halogen-free) compound and enhanced moisture resistance (J-STD-020 Level 1), with no electrical or mechanical differences affecting PCB layout or circuit performance. No redesign or requalification is needed when migrating from S2D to S2DHR5G.