Taiwan Semiconductor Corporation UG06BH

Overview

UG06BH from Taiwan Semiconductor is an AEC-Q101-qualified ultrafast rectifier diode with 100 V repetitive peak reverse voltage (V_RRM), 0.6 A average forward current (I_F), and 15 ns reverse recovery time (t_rr), designed for high-efficiency DC-DC converters in automotive power systems.

For engineers reviewing the UG06BH datasheet, UG06BH pinout, UG06BH application, or UG06BH equivalent, key selection criteria include its TS-1 package thermal resistance (R_θJL = 28 °C/W), cathode-band polarity marking, and 150 °C maximum junction temperature - critical for under-hood switching power supply reliability.

Technical Context

The UG06BH employs a single-die silicon PN junction optimized for ultrafast recovery (t_rr ≤ 15 ns at I_F = 0.5 A, I_R = 1.0 A, I_rr = 0.25 A), enabling high-frequency operation in synchronous rectification and freewheeling paths. Its low forward voltage (V_F ≤ 0.95 V at I_F = 0.6 A, T_J = 25 °C) reduces conduction loss in compact power stages.

Thermally, the TS-1 package delivers R_θJL = 28 °C/W and R_θJA = 97 °C/W, supporting continuous operation up to 150 °C junction temperature. Reverse leakage remains ≤150 µA at 125 °C, ensuring stable blocking performance in elevated ambient conditions.

Key Specifications

Pinout & Package

Package: TS-1 - Surface-mount, single-ended, molded plastic case with pure tin-plated leads (J-STD-002 compliant), cathode indicated by band, UL 94V-0 rated, 0.200 g weight.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STTH1R06S and ES1BHM3/84A, UG06BH offers the optimal balance of 100 V rating, 15 ns speed, TS-1 thermal performance, and AEC-Q101 compliance - making it uniquely suited for space- and efficiency-critical 250–500 kHz automotive DC-DC stages.

Availability

UG06BH is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial switching mode power supplies, and on-board charger auxiliary supplies requiring stable component supply and AEC-Q101 assurance.

Supply support for UG06BH 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 automotive-qualified components.

The UG06x series belongs to TSC's AEC-Q101-certified ultrafast rectifier product line, engineered specifically for high-frequency, high-reliability power conversion in automotive and industrial environments where thermal robustness and fast recovery are mandatory.

FAQ

What is the peak repetitive reverse voltage rating for UG06BH?

The UG06BH has a repetitive peak reverse voltage (V_RRM) rating of 100 V, as confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version G2104). This value defines the maximum reverse voltage the device can block repeatedly without breakdown under normal operating conditions. The "B" in UG06BH explicitly denotes the 100 V variant within the UG06x family, and this rating is validated across the full operating temperature range.

Is UG06BH qualified for automotive applications?

Yes, UG06BH is AEC-Q101 qualified, as stated in the FEATURES section and ORDERING INFORMATION notes of the Taiwan Semiconductor datasheet. The "H" suffix indicates AEC-Q101 qualification, covering stress tests including temperature cycling, high-temperature operating life, and unbiased highly accelerated stress testing. This makes UG06BH suitable for under-hood and powertrain-related automotive systems where reliability under harsh conditions is required.

What is the reverse recovery time (t_rr) of UG06BH and under what test conditions is it specified?

The reverse recovery time (t_rr) of UG06BH is 15 ns maximum, measured under the conditions: I_F = 0.5 A, I_R = 1.0 A, I_rr = 0.25 A, as specified in the ELECTRICAL SPECIFICATIONS table. This ultrafast recovery enables efficient operation in high-frequency switching circuits such as DC-DC converters operating above 300 kHz, minimizing switching loss and associated EMI generation in the UG06BH's intended applications.

What package type does UG06BH use and what are its key mechanical attributes?

UG06BH uses the TS-1 surface-mount package, a single-ended molded plastic case with pure tin-plated leads compliant with J-STD-002 solderability requirements. Key mechanical attributes include UL 94V-0 flammability rating, cathode polarity indicated by a visible band, and a mass of approximately 0.200 g. The TS-1 outline is documented in the PACKAGE OUTLINE DIMENSIONS section of the datasheet.

How does the thermal performance of UG06BH compare to standard SMA packages?

UG06BH's TS-1 package provides R_θJL = 28 °C/W and R_θJA = 97 °C/W, significantly better than typical SMA packages (R_θJA ≈ 120–150 °C/W). This improved thermal resistance allows UG06BH to sustain 0.6 A continuous current at higher ambient temperatures without derating, especially when mounted on adequate copper area. The lower R_θJL enables more effective heat transfer directly from junction to PCB pad, enhancing reliability in thermally demanding automotive applications.