Taiwan Semiconductor Corporation TSU1M60H

Overview

TSU1M60H from Taiwan Semiconductor is a 1 A, 60 V trench Schottky surface-mount rectifier in Micro SMA package, featuring 0.59 V forward voltage at 1 A/25°C, 25 A surge rating, and AEC-Q101 qualification for automotive use in on-board DC/DC converters.

For engineers reviewing the TSU1M60H datasheet, TSU1M60H pinout, TSU1M60H application, or TSU1M60H equivalent, key selection criteria include low-profile height (0.68 mm), JESD201 Class 2 whisker resistance, UL 94V-0 molding compound, and moisture sensitivity level 1 compliance.

Technical Context

The TSU1M60H employs patented trench Schottky technology to achieve low VF and high efficiency without PN-junction switching losses. Its single-die configuration and cathode-band polarity marking support automated placement and unambiguous orientation on PCBs.

Thermal performance is characterized by R_θJL = 20°C/W and R_θJA = 73°C/W on a 5 mm × 5 mm Cu pad test board. The device operates across -55°C to +175°C junction temperature range with 80 µA max reverse leakage at 25°C and 3 mA at 125°C.

Key Specifications

Pinout & Package

Package: Micro SMA - Surface-mount, molded plastic case with matte tin-plated leads, polarity indicated by cathode band, UL 94V-0 rated, weight ≈ 0.006 g.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STPS1L60 and SS16-E3/5AT, the TSU1M60H delivers superior thermal robustness (+175°C), lower forward drop, and verified AEC-Q101 qualification-making it the preferred choice for automotive and high-reliability industrial DC/DC converters where space and temperature margins are critical.

Availability

TSU1M60H is available at Aetrix Electronics and suitable for automotive on-board DC/DC converters, industrial SMPS secondary-side rectification, and LED lighting drivers requiring stable component supply and long-term lifecycle continuity.

Supply support for TSU1M60H 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 automotive, industrial, and consumer markets since 1979.

The TSU1M60H belongs to TSC's AEC-Q101-qualified trench Schottky rectifier product line, engineered specifically for high-efficiency, low-profile power conversion in automotive and harsh-environment applications.

FAQ

What is the marking code printed on the TSU1M60H device?

The TSU1M60H is marked with the code "Z2" on its top surface, per the absolute maximum ratings table in the official datasheet. This two-character marking identifies the specific variant and is used for traceability and visual verification during PCB assembly and incoming inspection. The "Z2" marking is consistent across all production lots of the TSU1M60H.

Is the TSU1M60H suitable for reflow soldering in standard lead-free processes?

Yes, the TSU1M60H supports standard lead-free reflow profiles. Its matte tin-plated leads comply with J-STD-002 for solderability, and its moisture sensitivity level is rated at Level 1 per J-STD-020-meaning it can be stored indefinitely in ambient conditions and placed directly into reflow without baking. The Micro SMA package withstands peak temperatures up to 260°C.

Does the TSU1M60H have a specified reverse recovery time (t_rr)?

No, the TSU1M60H does not specify reverse recovery time because it is a Schottky diode with majority-carrier conduction. Unlike PN-junction diodes, it exhibits negligible reverse recovery charge (Q_rr) and near-zero t_rr, eliminating switching tail current and associated losses. This behavior is inherent to its trench Schottky architecture and confirmed in the electrical specifications section of the TSU1M60H datasheet.

What is the thermal resistance from junction to ambient (R_θJA) for the TSU1M60H under standard test conditions?

The TSU1M60H has a typical R_θJA of 73°C/W when mounted on a 5 mm × 5 mm copper pad test board, as stated in the Thermal Performance section. This value assumes still air and no additional heatsinking; actual R_θJA in end applications depends on PCB copper area, layer count, and airflow. The lower R_θJL of 20°C/W indicates efficient heat transfer to the PCB land pattern.

Can the TSU1M60H replace a standard PN-junction rectifier like 1N4007 in a 60 V circuit?

The TSU1M60H is not a direct functional replacement for the 1N4007 due to fundamental differences: it is a Schottky rectifier with 0.59 V V_F (vs. ~1.1 V for 1N4007) but limited to 60 V V_RRM (same rating) and lacks the 1N4007's 30 A surge rating. While it improves efficiency, its lower surge margin and absence of AC-line surge robustness mean it should only replace 1N4007 in low-dV/dt, DC-coupled, thermally managed applications-not in AC-input bridge configurations.