Taiwan Semiconductor Corporation EABS1D

Overview

EABS1D from Taiwan Semiconductor is a 1A, 200V super fast bridge rectifier in ABS package with quad configuration, 35ns reverse recovery time, 0.95V max forward voltage at 1A/25°C, and 40A peak surge current-designed for high-frequency SMPS input stages.

For engineers reviewing the EABS1D datasheet, EABS1D pinout, EABS1D application, or EABS1D equivalent, key selection criteria include repetitive peak reverse voltage (200V), thermal resistance (R_θJL = 25°C/W), AEC-Q101 qualification availability (EABS1DH variant), and compatibility with compact automated PCB assembly.

Technical Context

The EABS1D integrates four silicon diodes in a single-phase full-wave bridge configuration, optimized for switching frequencies up to several hundred kHz. Its super fast trr of 35ns minimizes switching losses during turn-off, while low leakage (≤1µA at 25°C) ensures stable blocking under light-load conditions.

Thermally, it features a junction-to-lead resistance of 25°C/W and junction-to-ambient of 80°C/W, enabling reliable operation up to 150°C junction temperature. The ABS package uses UL 94V-0 molding compound and matte tin-plated leads compliant with J-STD-002 solderability.

Key Specifications

Pinout & Package

Package: ABS - molded plastic case with 4 external terminals (2 AC inputs, 1 +DC, 1 –DC), UL 94V-0 rated, 0.090g weight, polarity marked on top surface.

Key Features

Applications

Equivalent & Alternatives

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

Compared with GBU4K and MB10F, the EABS1D offers optimal balance of size, speed (35ns), and thermal performance (25°C/W) for space-constrained, high-frequency SMPS where 200V VRRM suffices-making it preferred for modern compact adapters and LED drivers.

Availability

EABS1D is available at Aetrix Electronics and suitable for switching mode power supplies, USB wall adapters, and LED lighting applications requiring stable component supply, consistent parametric performance, and RoHS/halogen-free compliance.

Supply support for EABS1D 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 industrial, computing, and consumer markets since 1979.

The EABS1D belongs to TSC's Super Fast Bridge Rectifier product line, engineered specifically for high-efficiency, high-frequency AC/DC conversion in compact power supplies where thermal density and EMI control are critical design constraints.

FAQ

What is the maximum junction temperature rating for EABS1D?

The EABS1D has a maximum junction temperature (T_J) of +150°C, verified per absolute maximum ratings in the official datasheet. This allows continuous operation in thermally demanding environments such as enclosed LED drivers or sealed smart home hubs. Derating curves confirm usable current down to ambient temperatures up to 125°C when mounted on adequate copper area. Thermal design must respect R_θJL = 25°C/W to avoid exceeding this limit in the EABS1D.

Is EABS1D pin-compatible with other ABS-packaged bridge rectifiers like MB10F?

Yes, the EABS1D shares identical ABS package dimensions, terminal spacing, and 4-pin full-wave bridge pinout (AC1, AC2, +, –) with MB10F and similar ABS devices. This enables direct PCB footprint reuse. However, electrical differences-including trr (35ns vs 150ns), VRRM (200V vs 1000V), and VF (0.95V vs ~1.1V)-require circuit validation before substitution in the EABS1D.

Does EABS1D meet automotive reliability standards?

The base EABS1D is not AEC-Q101 qualified, but its variant EABS1DH is explicitly certified to AEC-Q101. The EABS1DH undergoes stress testing including HTOL, TC, and UHAST, and features enhanced whisker resistance (JESD201 Class 2). For automotive applications such as infotainment power supplies or body control modules, specify EABS1DH-not EABS1D-to ensure compliance.

What is the typical reverse recovery time (trr) of EABS1D and how is it measured?

The EABS1D has a maximum reverse recovery time (trr) of 35 ns, measured under IF = 0.5A, IR = 1.0A, and Irr = 0.25A per the manufacturer's test condition. This value reflects actual device behavior in high-frequency switching, directly impacting EMI and efficiency. The 35 ns trr is confirmed across production lots and is a distinguishing feature versus standard recovery bridges (e.g., 250–500 ns), making the EABS1D especially valuable in >100 kHz SMPS designs.

How does the EABS1D's forward voltage compare to similar 1A bridge rectifiers?

At 1A and 25°C, the EABS1D exhibits a maximum forward voltage (V_F) of 0.95 V-lower than many competing 1A bridges such as the MB10F (1.10 V) and GBU4K (1.05 V). This 50–100 mV advantage reduces conduction loss by ~5–10%, improving thermal margin and overall efficiency in compact, unventilated enclosures where the EABS1D is commonly deployed.