Taiwan Semiconductor Corporation SRT16 A1G

Overview

SRT16 A1G from Taiwan Semiconductor is a 1A, 60V Schottky barrier rectifier in TS-1 package, featuring low forward voltage (0.70 V @ 1A, 25°C), high surge current capability (25 A), and AEC-Q101 qualification. It serves as a primary output rectifier in compact DC-DC converters for automotive infotainment power supplies.

For engineers reviewing the SRT16 A1G datasheet, SRT16 A1G pinout, SRT16 A1G application, or SRT16 A1G equivalent, key selection criteria include its 60 V repetitive peak reverse voltage, 125°C maximum junction temperature, TS-1 mechanical outline, and cathode-band polarity marking-critical for layout validation and thermal derating in space-constrained SMPS designs.

Technical Context

The SRT16 A1G implements a single-die Schottky structure with guard ring overvoltage protection, enabling robust operation under transient voltage stress. Its 80 pF junction capacitance at 1 MHz and 4.0 V reverse bias supports high-frequency switching up to 500 kHz without excessive capacitive loss.

Thermal performance is defined by a 50°C/W junction-to-ambient resistance, requiring minimal copper area for thermal management in TS-1 footprint layouts. Reverse leakage remains ≤500 µA at 25°C and ≤5 mA at 100°C under rated 60 V reverse bias-enabling stable efficiency across automotive ambient temperature ranges.

Key Specifications

Pinout & Package

TS-1 package: single-row, 2-terminal surface-mount device with cathode band marking on anode-side edge. Body dimensions: 4.5 × 2.7 × 1.8 mm (L × W × H). Leads are gull-wing shaped, 0.5 mm pitch, tin-plated for lead-free reflow compatibility.

Key Features

Applications

Equivalent & Alternatives

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

Compared with VS-1EQH06-M3/45 and SB160-E3/54, the SRT16 A1G delivers superior automotive qualification, tighter thermal resistance (50°C/W), and optimized TS-1 footprint for high-density layouts-making it the preferred choice when AEC-Q101 compliance and board space are critical.

Availability

SRT16 A1G is available at Aetrix Electronics and suitable for automotive infotainment power supplies, USB-C PD adapters, and industrial PLC I/O modules requiring stable component supply with AEC-Q101 assurance and consistent TS-1 packaging.

Supply support for SRT16 A1G 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 semiconductor manufacturer specializing in discrete power devices, with global distribution and ISO/TS 16949-certified automotive production lines.

The SRT12–SRT115 series targets high-efficiency, space-constrained DC-DC conversion in automotive and industrial environments-designed specifically for low-V_F, high-surge, and AEC-Q101-compliant rectification where thermal and reliability margins are non-negotiable.

FAQ

What is the maximum junction temperature rating for the SRT16 A1G?

The SRT16 A1G has a maximum junction temperature (T_J) rating of 125°C. This value is specified in the Absolute Maximum Ratings table and applies under continuous operation. Engineers must ensure that actual junction temperature-calculated using R_θJA = 50°C/W, power dissipation, and ambient conditions-remains below 125°C to maintain reliability and avoid thermal shutdown or degradation. The SRT16 A1G datasheet provides derating curves confirming safe operation down to zero current at 125°C ambient.

Does the SRT16 A1G have AEC-Q101 qualification?

Yes, the SRT16 A1G is AEC-Q101 qualified. The "A" in the ordering code "SRT16 A1G" explicitly denotes AEC-Q101 qualification per Taiwan Semiconductor's ordering information table. This includes stress testing for temperature cycling, high-temperature reverse bias (HTRB), and electrostatic discharge-validating suitability for automotive powertrain and body electronics applications. The qualification applies specifically to the SRT16 A1G variant, not the base SRT16 part.

What is the forward voltage drop of the SRT16 A1G at 1 A and 25°C?

The forward voltage drop (V_F) of the SRT16 A1G is 0.70 V at 1 A forward current and 25°C junction temperature, as specified in the Electrical Specifications table under "SRT15/SRT16" row. This value is measured using a pulse test with 0.3 ms pulse width and is representative of typical conduction loss in DC-DC converter output stages. At 100°C, V_F decreases slightly to approximately 0.65 V due to negative temperature coefficient of Schottky diodes.

What package type does the SRT16 A1G use, and what are its key mechanical features?

The SRT16 A1G uses the TS-1 surface-mount package. Key mechanical features include 4.5 × 2.7 × 1.8 mm body dimensions, gull-wing leads with 0.5 mm pitch, pure tin plating compliant with J-STD-002 solderability, and UL 94V-0 molding compound. Polarity is indicated by a cathode band on the anode-side edge. The TS-1 outline is optimized for automated placement and reflow, with thermal performance validated at 50°C/W junction-to-ambient resistance.

How does the SRT16 A1G compare to the SRT15 and SRT19 in terms of electrical parameters?

The SRT16 A1G shares identical I_F (1 A), I_FSM (25 A), and package (TS-1) with SRT15 and SRT19, but differs in V_RRM: 60 V (SRT16) vs. 50 V (SRT15) vs. 90 V (SRT19). V_F is 0.70 V for both SRT15 and SRT16, while SRT19 specifies 0.80 V. Reverse leakage at 25°C is ≤500 µA for SRT15/SRT16, but ≤100 µA for SRT19. Junction capacitance is 80 pF for SRT15/SRT16 and 28 pF for SRT19-making SRT16 A1G the optimal balance of voltage margin, conduction loss, and high-frequency performance.