Taiwan Semiconductor Corporation HS3GB-K
- Part No.:
- HS3GB-K
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
HS3GB-K.pdf
- Description:
- 50NS, 3A, 400V, HIGH EFFICIENT R
- Quantity:
- Payment:

- Shipping:

Inventory:7,281
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Product details
Overview
HS3GB-K from Taiwan Semiconductor is a 400 V, 3 A high-efficiency surface-mount silicon rectifier diode in DO-214AA (SMB) package, featuring 1.04 V forward voltage at 3.0 A and 25°C, 50 ns reverse recovery time, and low 40 pF junction capacitance - deployed in DC/DC converters and switching-mode inverters.
For engineers reviewing the HS3GB-K datasheet, HS3GB-K pinout, HS3GB-K application, or HS3GB-K equivalent, key selection criteria include peak repetitive reverse voltage (400 V), surge current capability (80 A @ 8.3 ms), thermal resistance (RθJL = 20 °C/W), and RoHS/halogen-free compliance for industrial power conversion designs.
Technical Context
This device is a single-die, glass-passivated, standard recovery rectifier optimized for high-voltage switching applications. Its 400 V VRRM, 3 A average forward current, and 50 ns trr enable efficient freewheeling and output rectification in compact SMPS topologies.
Thermal performance is defined by RθJL = 20 °C/W and RθJA = 78 °C/W on a 10 mm × 10 mm Cu pad PCB. Reverse leakage remains ≤5 µA at 25°C and ≤200 µA at 125°C under rated VR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 400 V - Maximum repetitive reverse blocking voltage; defines safe operating range in high-side rectifier or flyback clamp positions. |
| IF | 3 A - Continuous average forward current; supports sustained conduction in 24–48 V output DC/DC stages. |
| IFSM (8.3 ms) | 80 A - Non-repetitive surge current rating; withstands inrush and transient overloads without failure. |
| VF @ 3 A, 25°C | 1.04 V (max 1.40 V) - Forward drop directly impacts conduction loss and thermal design in high-current paths. |
| trr | 50 ns - Reverse recovery time; enables operation up to ~1 MHz switching frequencies with minimal switching loss penalty. |
| CJ | 40 pF @ 1 MHz, 4 V - Junction capacitance affects high-frequency noise coupling and EMI filter sizing. |
| RθJL | 20 °C/W - Junction-to-lead thermal resistance; critical for estimating die temperature rise under lead-mounted thermal relief. |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, cathode-indicated by band, matte tin-plated leads, UL 94V-0 molding compound, 0.090 g typical weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential node (e.g., transformer secondary center-tap or switch node return path). |
| Cathode | Forward current exit / reverse blocking terminal | Marked by band; ties to output rail or filter capacitor positive; blocks reverse voltage up to 400 V. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enhances long-term reliability and moisture resistance in humid or thermally cycled environments. |
| Moisture sensitivity level 1 | Eliminates bake requirements prior to reflow; compatible with standard SMT assembly lines per J-STD-020. |
| Low reverse leakage (≤5 µA @ 25°C) | Minimizes standby power loss in high-impedance hold-up or sensing circuits. |
| RoHS and halogen-free compliant | Meets IEC 61249-2-21 and global environmental directives for industrial and consumer end equipment. |
Applications
| DC/DC Converter Output Rectification | Switching Mode Inverter Freewheeling |
|---|---|
Use Scenario: Rectifying high-frequency transformer secondary output in isolated 24 V/3 A buck-boost or forward converter. IC Role / Device Role / Timing Role: Primary output rectifier handling continuous 3 A load current with minimal conduction loss. Use Value: 1.04 V VF at 3 A reduces power dissipation to ~3.1 W, easing thermal management on SMB footprint. | Use Scenario: Providing freewheeling path for inductive loads in motor drive half-bridge inverters. IC Role / Device Role / Timing Role: Clamp diode conducting during MOSFET off-time to recirculate inductive energy. Use Value: 50 ns trr limits reverse recovery charge, reducing switching loss and voltage overshoot across power switches. |
| AC-DC Adapter Secondary Side | Industrial Power Supply Hold-Up |
Use Scenario: Secondary-side rectification in universal-input 12 V/2.5 A offline adapters. IC Role / Device Role / Timing Role: Standard recovery rectifier replacing slower, higher-VF alternatives in cost-sensitive designs. Use Value: 400 V VRRM provides margin above 340 V peak rectified line voltage, ensuring robustness. | Use Scenario: Maintaining regulated output during brief AC mains interruptions in programmable logic controller (PLC) power modules. IC Role / Device Role / Timing Role: Low-leakage (≤5 µA) rectifier preserving bulk capacitor charge during hold-up intervals. Use Value: Ultra-low IR at 25°C minimizes self-discharge, extending usable hold-up time without increasing capacitor size. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH3L04S | 400 V VRRM, 3 A IF, 50 ns trr, but VF = 1.15 V @ 3 A - 11% higher conduction loss. | Same SMB package; slightly higher thermal rise due to higher VF. | Acceptable where margin exists in thermal design; verify layout cooling capacity. |
| SB340-E3/52T | 40 V VRRM, 3 A IF, Schottky architecture - zero trr but unsuitable above ~45 V. | Not interchangeable for 400 V applications; only viable in low-voltage (<60 V) DC/DC outputs. | Reject for HS3GB-K use cases; select only for sub-60 V systems requiring ultra-fast recovery. |
Compared with STTH3L04S and SB340-E3/52T, the HS3GB-K delivers optimal balance of 400 V blocking, 3 A current, and 1.04 V forward drop in SMB - making it the preferred choice for mid-voltage industrial SMPS where efficiency and reliability are prioritized over ultra-low trr.
Availability
HS3GB-K is available at Aetrix Electronics and suitable for DC/DC converters, switching-mode inverters, and freewheeling applications requiring stable component supply, consistent parametric performance, and full RoHS/halogen-free compliance.
Supply support for HS3GB-K 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 for industrial and computing markets.
The HS3GB-K belongs to TSC's HS3x series of high-efficiency surface-mount rectifiers, engineered for high-voltage, medium-current switching power supplies where thermal efficiency and assembly compatibility are critical.
FAQ
What is the maximum junction temperature rating for the HS3GB-K?
The HS3GB-K has a maximum junction temperature (TJ) of +150°C, with operational range from –55°C to +150°C. This rating allows reliable operation in enclosed industrial enclosures or near heat-generating components when thermal design accounts for RθJL = 20 °C/W and board-level copper area. Derating curves in the datasheet confirm 3 A IF is sustainable up to 100°C ambient with adequate PCB copper.
Does the HS3GB-K have a specified reverse recovery time, and how does it compare to other variants in the HS3x family?
Yes, the HS3GB-K has a specified reverse recovery time (trr) of 50 ns under IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A conditions. This is identical to the HS3DB-K (200 V) but faster than HS3JB-K through HS3MB-K (600–1000 V), which specify 75 ns. The 50 ns value supports efficient operation in 300–500 kHz switching converters where recovery loss must be minimized.
Is the HS3GB-K suitable for use in automotive applications?
No - the HS3GB-K is not qualified to AEC-Q101 or automotive-grade reliability standards. While its electrical specs meet some automotive voltage/current requirements, Taiwan Semiconductor explicitly states these devices are "not designed for use in medical, life-saving, or life-sustaining applications," and no automotive qualification data is provided. For automotive use, consult TSC's AEC-Q101-certified rectifier portfolio.
What is the marking code printed on the HS3GB-K device body?
The HS3GB-K is marked with "HS3GB" on the device body, per the ordering information table. This marking appears alongside green compound (G) and date/factory codes per the package outline diagram. No additional alphanumeric suffixes or revision indicators are applied to the visible marking for this variant.
How does the junction capacitance of the HS3GB-K affect EMI filter design in high-frequency SMPS?
The HS3GB-K exhibits 40 pF junction capacitance at 1 MHz and 4 V reverse bias. This value influences common-mode noise coupling and snubber network tuning - particularly in high-frequency flyback or LLC converters. Compared to the 56 pF of HS3DB-K (200 V) and 21 pF of HS3JB-K (600 V), the 40 pF of HS3GB-K represents a balanced trade-off between voltage rating and capacitive noise generation, simplifying EMI filter component selection.
HS3GB-K 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):
- 400 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 1.4 V @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 400 V
- Capacitance @ Vr, F:
- 40pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
- Operating Temperature - Junction:
- -55°C ~ 150°C
HS3GB-K FAQ
1.How can I place an order for HS3GB-K through Aetrix?
Please submit a Request for Quotation (RFQ) for HS3GB-K 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 HS3GB-K reliable?
The price and inventory of HS3GB-K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HS3GB-K is usually 5 days.
3.What payment methods are accepted for HS3GB-K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HS3GB-K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HS3GB-K?
HS3GB-K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HS3GB-K 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 HS3GB-K?
For technical support, including HS3GB-K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HS3GB-K requirements.
6.How does Aetrix verify that HS3GB-K is sourced from the original manufacturer or authorized distributors?
All HS3GB-K 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 HS3GB-K meets industry standards.
7.What is the process for return or replacement of HS3GB-K?
All HS3GB-K units undergo pre-shipment inspection (PSI). If there is an issue with HS3GB-K, 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 HS3GB-K part is unused and in its original packaging.
Return procedure for HS3GB-K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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