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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Taiwan Semiconductor Corporation HS2K-T

Name: HS2K-T
Brand: Taiwan Semiconductor Corporation
SKU: HS2K-T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: HS2K-T

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: DO-214AA, SMB

Datasheet:: HS2K-T.pdf

Description:: 75NS, 2A, 800V, HIGH EFFICIENT R

Quantity:: RFQ Add To RFQ list

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Inventory:3,440

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Product details

Overview

HS2K-T from Taiwan Semiconductor is a 2 A, 800 V high-efficiency surface-mount silicon rectifier diode in DO-214AA (SMB) package, featuring low forward voltage (1.31 V at 2 A, 25°C), 75 ns reverse recovery time, and 11 pF junction capacitance - deployed in DC-DC converters and switching-mode power supplies.

For engineers reviewing the HS2K-T datasheet, HS2K-T pinout, HS2K-T application, or HS2K-T equivalent, key selection criteria include peak reverse voltage rating (800 V), thermal resistance (R_θJL = 20 °C/W), reverse leakage (≤350 µA at 125°C), and SMB package compatibility with automated SMT assembly.

Technical Context

This device is a single-die, glass-passivated, standard recovery rectifier optimized for high-voltage switching applications. Its 800 V V_RRM, 50 A I_FSM surge rating, and 150°C maximum junction temperature support robust operation in industrial and power-conversion circuits.

The 75 ns reverse recovery time and 11 pF junction capacitance at 1 MHz / 4 V indicate moderate-speed switching capability suitable for medium-frequency SMPS topologies - not ultra-fast or Schottky-class, but balanced for efficiency and EMI control.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	800 V - supports input stages up to 565 V DC or 800 V peak AC without breakdown
I_F	2 A continuous - rated for sustained conduction in compact power rails with minimal heatsinking
I_FSM (8.3 ms)	50 A - withstands typical inrush and transient surges in offline SMPS and inverters
V_F @ 2 A, 25°C	1.31 V max - contributes ~2.6 W conduction loss per diode at full load, enabling thermally constrained layouts
t_rr	75 ns - limits switching losses and ringing in 50–200 kHz converters
C_J	11 pF @ 1 MHz, 4 V - reduces capacitive coupling and EMI generation in high-dV/dt nodes
R_θJL	20 °C/W - enables direct PCB copper pad thermal path for reliable 2 A operation without external heatsink

Pinout & Package

Package: DO-214AA (SMB), surface-mount, single-anode/single-cathode configuration. Cathode identified by molded band. Matte tin-plated leads, J-STD-002 solderable.

Pin/Terminal	Circuit Role	Design Meaning
Anode (lead 1)	Current entry point during forward conduction	Connected to lower-potential node (e.g., switch node or ground return); requires adequate copper area for thermal dissipation
Cathode (lead 2)	Current exit point during forward conduction; marked with band	Connected to higher-potential rail (e.g., output bus or V_IN); polarity reversal causes catastrophic failure

Key Features

Feature	Design Value
Glass passivated junction	Enhances long-term reliability under humidity and thermal cycling; meets J-STD-020 MSL Level 1
Low reverse leakage (≤5 µA @ 25°C)	Minimizes standby power loss in high-impedance hold-up or bias networks
UL 94V-0 molding compound	Ensures flame resistance in enclosed power modules and safety-critical enclosures
Halogen-free construction (IEC 61249-2-21)	Complies with RoHS and environmental directives for green manufacturing and end-of-life handling
Automated placement compatible	Standard SMB footprint and lead geometry support high-yield pick-and-place with no special tooling

Applications

DC-DC Converter	Switching Inverter
Use Scenario: Secondary-side rectification in isolated flyback or forward converters delivering 12–48 V outputs. IC Role / Device Role / Timing Role: Power rectifier converting high-frequency transformer output to regulated DC. Use Value: 800 V rating accommodates reflected transients; 1.31 V V_F balances conduction loss vs. cost versus Schottky alternatives.	Use Scenario: Freewheeling path in H-bridge motor drives operating from 300–600 V DC bus. IC Role / Device Role / Timing Role: Clamp diode providing current recirculation during MOSFET dead-time. Use Value: 50 A surge rating handles motor back-EMF spikes; 75 ns t_rr limits shoot-through risk in 20 kHz PWM.
AC-DC Adapter	Industrial Power Supply
Use Scenario: Output rectification in universal-input (90–264 V AC) 30–60 W adapters. IC Role / Device Role / Timing Role: Main output diode after bridge rectifier and bulk capacitor. Use Value: 150°C T_JMAX and R_θJL = 20 °C/W allow operation in sealed enclosures without forced air.	Use Scenario: Input-stage PFC boost diode or auxiliary supply rectifier in 1–3 kW industrial PSUs. IC Role / Device Role / Timing Role: High-voltage rectifier in continuous conduction mode (CCM) PFC stage. Use Value: 800 V V_RRM provides margin above 600 V DC bus; low IR ensures stable regulation under light loads.

DC-DC Converter

Switching Inverter

Use Scenario: Secondary-side rectification in isolated flyback or forward converters delivering 12–48 V outputs.

IC Role / Device Role / Timing Role: Power rectifier converting high-frequency transformer output to regulated DC.

Use Value: 800 V rating accommodates reflected transients; 1.31 V V_F balances conduction loss vs. cost versus Schottky alternatives.

Use Scenario: Freewheeling path in H-bridge motor drives operating from 300–600 V DC bus.

IC Role / Device Role / Timing Role: Clamp diode providing current recirculation during MOSFET dead-time.

Use Value: 50 A surge rating handles motor back-EMF spikes; 75 ns t_rr limits shoot-through risk in 20 kHz PWM.

AC-DC Adapter

Industrial Power Supply

Use Scenario: Output rectification in universal-input (90–264 V AC) 30–60 W adapters.

IC Role / Device Role / Timing Role: Main output diode after bridge rectifier and bulk capacitor.

Use Value: 150°C T_JMAX and R_θJL = 20 °C/W allow operation in sealed enclosures without forced air.

Use Scenario: Input-stage PFC boost diode or auxiliary supply rectifier in 1–3 kW industrial PSUs.

IC Role / Device Role / Timing Role: High-voltage rectifier in continuous conduction mode (CCM) PFC stage.

Use Value: 800 V V_RRM provides margin above 600 V DC bus; low IR ensures stable regulation under light loads.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH2R08	Same 800 V V_RRM, 2 A I_F, but faster t_rr (≈35 ns); higher V_F (1.7 V @ 2 A)	Better suited for >300 kHz designs where switching loss dominates; less optimal for thermally constrained 100–200 kHz systems	Select STTH2R08 when minimizing reverse recovery loss is critical and thermal headroom allows higher V_F.
ES2J	Same DO-214AA package, 600 V V_RRM, 2 A I_F, 35 ns t_rr; lower cost but insufficient voltage margin for 800 V designs	Only viable in sub-600 V systems; unsuitable as drop-in replacement where 800 V rating is required for safety margin	Choose ES2J only if system peak reverse voltage stays ≤420 V RMS (≈595 V peak) and design allows derating.

Compared with STTH2R08 and ES2J, the HS2K-T delivers optimal balance of voltage margin, thermal performance, and forward loss for 200–200 kHz industrial SMPS - offering lower conduction loss than STTH2R08 and superior voltage rating versus ES2J without requiring layout changes.

Availability

HS2K-T is available at Aetrix Electronics and suitable for DC-DC converters, switching inverters, and industrial power supplies requiring stable component supply, consistent parametric performance, and RoHS-compliant sourcing.

Supply support for HS2K-T 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 semiconductors, including rectifiers, TVS diodes, and MOSFETs, with ISO/TS 16949 and ISO 14001 certification.

The HS2K-T belongs to TSC's HS2x-T high-voltage rectifier family, engineered for cost-sensitive, high-reliability power conversion in consumer, industrial, and lighting applications where SMB packaging and J-STD-020 compliance are essential.

FAQ

What is the maximum repetitive peak reverse voltage (V_RRM) for HS2K-T?

The HS2K-T has a maximum repetitive peak reverse voltage (V_RRM) of 800 V, as confirmed in the Absolute Maximum Ratings table. This rating defines the highest instantaneous reverse voltage the device can block repeatedly without breakdown, making it suitable for circuits with up to 565 V DC input or 800 V peak AC waveforms. Exceeding this value risks irreversible avalanche failure. The HS2K-T is part of a family where 'K' explicitly denotes the 800 V grade.

Does HS2K-T have a specified reverse recovery time (t_rr)?

Yes, the HS2K-T has a specified reverse recovery time (t_rr) of 75 ns, measured at I_F = 0.5 A, I_R = 1.0 A, and I_RR = 0.25 A. This value is documented in the Electrical Specifications section for HS2J-T through HS2M-T variants. It reflects the device's moderate-speed switching behavior - slower than ultrafast rectifiers but sufficient for most 50–200 kHz power converter designs.

What package type does HS2K-T use, and is it RoHS compliant?

The HS2K-T uses the DO-214AA (SMB) surface-mount package, with matte tin-plated leads and UL 94V-0 molding compound. It is fully RoHS compliant and halogen-free per IEC 61249-2-21. The device carries J-STD-020 Moisture Sensitivity Level 1, meaning it can be stored indefinitely at ambient conditions without baking prior to reflow, simplifying manufacturing logistics.

What is the forward voltage (V_F) of HS2K-T at 2 A and 25°C?

The forward voltage (V_F) of HS2K-T is 1.31 V maximum at 2 A and 25°C, per the Electrical Specifications table. At elevated temperature (125°C), V_F drops to 1.07 V typical and 1.49 V maximum. This temperature-dependent reduction helps stabilize conduction loss in thermally demanding applications, and the 1.31 V value directly informs thermal design calculations for PCB copper area and ambient derating.

Can HS2K-T replace HS2J-T or HS2M-T in a design?

No - HS2K-T is not a direct replacement for HS2J-T (600 V) or HS2M-T (1000 V). While all share the same DO-214AA package and thermal specs, their V_RRM ratings differ significantly. Substituting HS2K-T for HS2M-T risks overvoltage failure; using it instead of HS2J-T may unnecessarily increase forward loss and cost. Each variant must be selected based on actual circuit peak reverse voltage requirements, with appropriate safety margin.

HS2K-T Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: DO-214AA, SMB

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 800 V

Current - Average Rectified (Io):: 2A

Voltage - Forward (Vf) (Max) @ If:: 1.7 V @ 2 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: 75 ns

Current - Reverse Leakage @ Vr:: 5 µA @ 800 V

Capacitance @ Vr, F:: 11pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: DO-214AA (SMB)

Operating Temperature - Junction:: -55°C ~ 150°C

HS2K-T FAQ

1.How can I place an order for HS2K-T through Aetrix?

Please submit a Request for Quotation (RFQ) for HS2K-T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for HS2K-T reliable?

The price and inventory of HS2K-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HS2K-T is usually 5 days.

3.What payment methods are accepted for HS2K-T?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HS2K-T transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for HS2K-T?

HS2K-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your HS2K-T order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for HS2K-T?

For technical support, including HS2K-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HS2K-T requirements.

6.How does Aetrix verify that HS2K-T is sourced from the original manufacturer or authorized distributors?

All HS2K-T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that HS2K-T meets industry standards.

7.What is the process for return or replacement of HS2K-T?

All HS2K-T units undergo pre-shipment inspection (PSI). If there is an issue with HS2K-T, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The HS2K-T part is unused and in its original packaging.

Return procedure for HS2K-T:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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