Taiwan Semiconductor Corporation S2V

Overview

S2V from Taiwan Semiconductor is a 2A, 1400V repetitive peak reverse voltage (VRRM) standard surface-mount silicon rectifier diode in DO-214AA (SMB) package, featuring glass passivated junction, low forward voltage drop (max 1.15V at 2A), and high surge current capability (50A IFSM). It is used in high-voltage DC output stages of offline SMPS and industrial AC/DC converters.

For engineers reviewing the S2V datasheet, S2V pinout, S2V application, or S2V equivalent, key selection criteria include verified 1400V VRRM rating, 50A surge tolerance, thermal resistance (R_θJL = 16°C/W), moisture sensitivity level 1 compliance, and DO-214AA mechanical compatibility with automated placement systems.

Technical Context

The S2V is a single-die, unidirectional standard recovery rectifier optimized for line-frequency and low-frequency switching applications. Its 150°C maximum junction temperature and JESD201 Class 2 whisker-tested matte tin leads support reliable operation in thermally constrained industrial power supplies.

With 1500 ns reverse recovery time (trr) and 30 pF junction capacitance at 4V, the S2V delivers predictable turn-off behavior and minimal capacitive loading in flyback and forward converter snubber networks-distinct from fast or ultrafast recovery diodes.

Key Specifications

Pinout & Package

Package: DO-214AA (SMB), surface-mount, single-anode/single-cathode configuration. Cathode indicated by band on molded body. Matte tin-plated leads, UL 94V-0 compliant molding compound.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MUR220 and VS-2EYH01-M3, the S2V uniquely provides 1400 V blocking capability with industry-standard SMB packaging and thermal performance-making it irreplaceable in high-line-voltage industrial power conversion where voltage margin is non-negotiable.

Availability

S2V is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, LED driver secondary rectification, and universal input adapters requiring stable component supply, long-lifecycle availability, and RoHS/halogen-free compliance.

Supply support for S2V 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 Taiwanese manufacturer specializing in discrete power semiconductors, including rectifiers, TVS diodes, and MOSFETs, with ISO/TS 16949 and IATF 16949 certification.

The S2V belongs to TSC's S2x series of standard recovery surface-mount rectifiers, engineered for cost-effective, thermally robust line-frequency rectification in industrial and lighting power supplies.

FAQ

What is the maximum repetitive peak reverse voltage (VRRM) rating for the S2V?

The S2V has a VRRM rating of 1400 V, confirmed in the Absolute Maximum Ratings table across all versions of the N2102 datasheet. This value is specific to the S2V variant and distinguishes it from other members of the S2x family (e.g., S2A = 50 V, S2K = 800 V). The 1400 V rating enables use in high-line-voltage industrial applications where transient margin is critical. The S2V must not be substituted with lower-VRRM variants without system-level voltage stress analysis.

Does the S2V have a specified reverse recovery time (trr), and how does it impact circuit design?

Yes, the S2V has a typical reverse recovery time (trr) of 1500 ns, measured under IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A conditions. This trr value confirms its classification as a standard recovery rectifier-not suitable for high-frequency (>100 kHz) switching but well-matched to 50/60 Hz and low-kHz flyback converters. Designers must account for this trr in snubber sizing and EMI filtering, as slower recovery increases turn-off loss and ringing amplitude compared to fast recovery devices like the S2V's higher-speed alternatives.

Is the S2V RoHS and halogen-free compliant, and what standards does it meet?

Yes, the S2V is RoHS compliant and halogen-free per IEC 61249-2-21, as explicitly stated in the FEATURES section of the N2102 datasheet. Its molding compound meets UL 94V-0 flammability rating, and its matte tin-plated leads satisfy J-STD-002 solderability requirements. These certifications are verified for the S2V variant and apply to all units shipped under ordering code S2V in DO-214AA (SMB) packaging-no exceptions or date-code dependencies.

What is the thermal resistance from junction to lead (R_θJL) for the S2V, and why is it important?

The S2V has a typical junction-to-lead thermal resistance (R_θJL) of 16°C/W, published in the THERMAL PERFORMANCE section. This parameter quantifies how effectively heat flows from the silicon die to the cathode lead-enabling direct thermal transfer to PCB copper pours or external heatsinks. Unlike R_θJA, R_θJL is less dependent on board layout, making it a more reliable metric for thermal design in space-constrained industrial modules where ambient airflow is limited.

Can the S2V be used as a direct replacement for other S2x series diodes like S2K or S2M?

No-the S2V is not a direct replacement for S2K (800 V) or S2M (1000 V) due to its unique 1400 V VRRM rating and corresponding internal die construction. While all S2x parts share the DO-214AA (SMB) package and 2 A/50 A ratings, voltage rating is not interchangeable. Substituting S2V into a design qualified for S2K risks over-specification and unnecessary cost; substituting S2K for S2V in a 1400 V application violates absolute maximum ratings and compromises safety and reliability. Always validate voltage derating per IEC 62368-1.