Taiwan Semiconductor Corporation HS3JB-K
- Part No.:
- HS3JB-K
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
HS3JB-K.pdf
- Description:
- 75NS, 3A, 600V, HIGH EFFICIENT R
- Quantity:
- Payment:

- Shipping:

Inventory:2,748
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Product details
Overview
HS3JB-K from Taiwan Semiconductor is a 600 V, 3 A high-efficiency surface-mount silicon rectifier diode in DO-214AA (SMB) package, featuring 1.34 V forward voltage at 3.0 A and 25°C, 75 ns reverse recovery time, and 21 pF junction capacitance - deployed in DC-DC converters and freewheeling paths where fast switching and thermal robustness are required.
For engineers reviewing the HS3JB-K datasheet, HS3JB-K pinout, HS3JB-K application, or HS3JB-K equivalent, key selection criteria include peak reverse voltage rating (600 V), surge current capability (80 A @ 8.3 ms), junction-to-lead thermal resistance (20 °C/W), and low leakage (<5 µA @ 25°C) under rated reverse bias.
Technical Context
This device is a single-die, glass-passivated, standard recovery rectifier optimized for switching-mode power supplies. Its 600 V VRRM, 80 A IFSM, and 150 °C maximum junction temperature support operation in high-stress industrial and automotive auxiliary power stages.
The 75 ns reverse recovery time and 21 pF junction capacitance at 1 MHz / 4 V indicate design prioritization of reduced switching losses and EMI control in medium-frequency converters (e.g., 100–500 kHz). Polarity is marked by cathode band on the SMB body.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - Maximum repetitive reverse voltage before breakdown; defines safe operating ceiling in flyback or boost output rectification |
| IF | 3 A continuous - Rated average forward current with derating above 25°C ambient per Fig.1 curve |
| IFSM (8.3 ms) | 80 A - Peak non-repetitive surge current handling; supports inrush and fault transients without failure |
| VF @ 3 A, 25°C | 1.34 V typical - Forward conduction loss directly impacts efficiency and thermal rise in high-current paths |
| trr | 75 ns - Reverse recovery time affecting switching loss and snubber design in hard-switched topologies |
| CJ @ 1 MHz, 4 V | 21 pF - Junction capacitance influencing high-frequency noise coupling and resonant behavior |
| RθJL | 20 °C/W - Thermal resistance from junction to lead; enables direct PCB copper pad heat sinking for 3 A loads |
Pinout & Package
Package: DO-214AA (SMB), molded plastic case with matte tin-plated leads, polarity indicated by cathode band. Weight ≈ 0.090 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side (e.g., transformer secondary center-tap or switch node return) |
| Cathode | Forward current exit / reverse blocking terminal | Marked by band; ties to output rail or filter capacitor positive; blocks 600 V reverse potential |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables stable long-term reliability and low IR drift under thermal cycling and humidity exposure |
| Moisture sensitivity level 1 | Eliminates bake requirement prior to reflow; compatible with standard SMT assembly lines |
| UL 94V-0 molding compound | Meets flammability safety requirements for enclosed power supply housings and industrial enclosures |
| JESD 201 Class 1 whisker resistance | Prevents tin whisker growth on leads, ensuring mechanical and electrical integrity over 15+ year deployments |
| Halogen-free per IEC 61249-2-21 | Complies with RoHS and environmental directives for end-of-life recycling and combustion safety |
Applications
| DC-DC Converter Output Rectification | Switching Mode Inverter Freewheeling |
|---|---|
Use Scenario: Secondary-side rectification in isolated 48 V input → 12 V/3 A output flyback converter. IC Role / Device Role / Timing Role: Unidirectional current valve converting high-frequency AC from transformer to regulated DC output. Use Value: 600 V VRRM accommodates reflected voltage spikes; 1.34 V VF limits conduction loss to <4 W at full load. | Use Scenario: Freewheeling path across inductive motor winding in 200 V DC bus H-bridge inverter. IC Role / Device Role / Timing Role: Provides low-impedance return path during PWM off-time to sustain current continuity. Use Value: 75 ns trr minimizes reverse recovery charge (Qrr), reducing switching loss and voltage overshoot. |
| AC-DC Auxiliary Supply Rectifier | Industrial SMPS Input Bridge Leg |
Use Scenario: Rectifying 12 V AC from auxiliary transformer in main 400 V DC-link power supply. IC Role / Device Role / Timing Role: Half-wave or full-wave rectifier feeding linear regulator or buck controller bias rail. Use Value: 3 A IF rating supports >2.5 W bias delivery; 21 pF CJ avoids RF coupling into sensitive analog circuitry. | Use Scenario: One leg of discrete bridge rectifier in 300–400 V input industrial SMPS front-end. IC Role / Device Role / Timing Role: High-voltage, high-current unidirectional switch completing AC-to-DC conversion path. Use Value: 80 A IFSM withstands line surge events; RθJL = 20 °C/W allows direct mounting to heatsinked PCB copper. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH3L06S | 600 V VRRM, 3 A IF, 60 ns trr, TO-277 package (smaller footprint than SMB) | Lower trr improves efficiency in >300 kHz designs; TO-277 requires different pad layout | Select when higher switching frequency or space-constrained layout is prioritized over legacy SMB compatibility |
| SB360-E3/52 | 60 V VRRM, 3 A IF, Schottky architecture, 0.52 V VF @ 3 A | Not suitable for 600 V blocking; only viable in low-voltage secondary rails or OR-ing circuits | Choose only for sub-100 V applications requiring ultra-low VF; not a voltage-compatible replacement for HS3JB-K |
Compared with STTH3L06S and SB360-E3/52, the HS3JB-K delivers verified 600 V blocking with SMB footprint compatibility and balanced trade-offs between recovery speed, thermal resistance, and cost - making it optimal for mid-frequency industrial SMPS where proven manufacturability and margin are critical.
Availability
HS3JB-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 long-term industrial lifecycle support.
Supply support for HS3JB-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, MOSFETs, and IGBTs.
The HS3JB-K belongs to TSC's HS3x-K series of high-voltage surface-mount rectifiers, engineered for reliability and thermal performance in industrial power conversion systems operating up to 150 °C junction temperature.
FAQ
What is the maximum junction temperature rating for HS3JB-K?
The HS3JB-K has a maximum junction temperature (TJ) rating of +150 °C, validated across its full operating range from –55 °C to +150 °C. This rating enables deployment in thermally demanding environments such as enclosed industrial power supplies and automotive under-hood auxiliary converters. Derating curves in the datasheet specify allowable forward current reduction above 25 °C ambient, ensuring safe operation within this limit. The HS3JB-K must be mounted on a PCB with adequate copper area to maintain junction temperature below 150 °C under full 3 A load.
Does HS3JB-K have a specified reverse recovery time, and how does it compare to lower-voltage variants in the same family?
Yes, the HS3JB-K has a specified reverse recovery time (trr) of 75 ns under conditions of IF = 0.5 A, IR = 1.0 A, and IRR = 0.25 A. This is higher than the 50 ns trr of the HS3DB-K (200 V) and HS3GB-K (400 V), reflecting the trade-off between higher blocking voltage and minority carrier lifetime in the silicon die. The HS3JB-K's 75 ns value remains suitable for switching frequencies up to ~500 kHz in well-designed layouts. All variants share identical DO-214AA packaging and thermal metrics.
Is HS3JB-K compliant with RoHS and halogen-free standards?
Yes, the HS3JB-K is RoHS compliant and halogen-free per IEC 61249-2-21. The molding compound meets UL 94V-0 flammability rating, and the matte tin-plated leads are solderable per J-STD-002. Moisture sensitivity level is rated at Level 1 (per J-STD-020), eliminating the need for pre-reflow baking. These compliance attributes are confirmed in the official Taiwan Semiconductor datasheet Version C2102 and apply specifically to the HS3JB-K ordering code.
What is the forward voltage drop of HS3JB-K at 3 A and 125 °C?
The forward voltage (VF) of HS3JB-K is 1.11 V typical and 1.47 V maximum at 3.0 A and 125 °C junction temperature. This elevated VF versus room-temperature values (1.34 V typical) reflects the positive temperature coefficient of silicon PN junctions and must be accounted for in thermal design. At full load and high ambient, the resulting conduction loss exceeds 3.3 W, necessitating appropriate PCB copper area or heatsinking to maintain TJ ≤ 150 °C. The HS3JB-K datasheet provides full VF vs. IF and TJ curves (Fig.4 and Fig.6).
Can HS3JB-K be used as a direct replacement for HS3KB-K or HS3MB-K in an existing design?
No - HS3JB-K is not a direct replacement for HS3KB-K (800 V) or HS3MB-K (1000 V), as its 600 V VRRM rating is lower. Substituting HS3JB-K in a design originally specifying HS3KB-K risks reverse breakdown under transient overvoltage or reflected spikes. While all share identical package, thermal specs, and pinout, voltage rating is not interchangeable. Replacement requires verification of worst-case reverse stress in the target circuit; only HS3DB-K through HS3MB-K with equal or higher VRRM may substitute upward, never downward.
HS3JB-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):
- 600 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 1.7 V @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 75 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 600 V
- Capacitance @ Vr, F:
- 21pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
- Operating Temperature - Junction:
- -55°C ~ 150°C
HS3JB-K FAQ
1.How can I place an order for HS3JB-K through Aetrix?
Please submit a Request for Quotation (RFQ) for HS3JB-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 HS3JB-K reliable?
The price and inventory of HS3JB-K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HS3JB-K is usually 5 days.
3.What payment methods are accepted for HS3JB-K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HS3JB-K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HS3JB-K?
HS3JB-K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HS3JB-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 HS3JB-K?
For technical support, including HS3JB-K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HS3JB-K requirements.
6.How does Aetrix verify that HS3JB-K is sourced from the original manufacturer or authorized distributors?
All HS3JB-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 HS3JB-K meets industry standards.
7.What is the process for return or replacement of HS3JB-K?
All HS3JB-K units undergo pre-shipment inspection (PSI). If there is an issue with HS3JB-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 HS3JB-K part is unused and in its original packaging.
Return procedure for HS3JB-K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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