Vishay General Semiconductor - Diodes Division BY229-600-E3/45
- Part No.:
- BY229-600-E3/45
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Single Diodes
- Package:
- TO-220-2
- Datasheet:
-
BY229-600-E3/45.pdf
- Description:
- DIODE GEN PURP 600V 8A TO220AC
- Quantity:
- Payment:

- Shipping:

Inventory:5,711
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Product details
Overview
BY229-600-E3/45 from Vishay General Semiconductor is a superfast recovery plastic rectifier diode rated for 600 V peak reverse voltage, 8.0 A average forward current, and 145 ns reverse recovery time, with 1.85 V forward voltage at 20 A. It features glass passivated junction, low leakage (10 µA at 25 °C), and high surge capability (100 A IFSM), designed for high-efficiency switching power supplies and freewheeling applications.
For engineers reviewing the BY229-600-E3/45 datasheet, BY229-600-E3/45 pinout, BY229-600-E3/45 application, or BY229-600-E3/45 equivalent, this page delivers verified electrical parameters, TO-220AC package details, thermal resistance (RθJC = 2.0 °C/W), and validated alternatives for industrial power conversion designs.
Technical Context
This diode operates as a unidirectional, silicon-based fast recovery rectifier with a PN junction structure optimized for minimal stored charge (Qrr = 700 nC) and controlled dI/dt (60 A/µs). Its 150 °C maximum junction temperature and MSL Level 1 rating support reflow-compatible assembly in high-reliability power stages.
The device exhibits stable reverse leakage up to 300 µA at 125 °C and maintains consistent trr across its 200–800 V VRRM family range. Thermal performance is defined by RθJC = 2.0 °C/W (TO-220AC), enabling efficient heatsink coupling without derating penalties below 100 °C case temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - Maximum non-repetitive peak reverse voltage; defines safe blocking capability in DC-link and boost-stage applications. |
| IF(AV) | 8.0 A at TC = 100 °C - Continuous forward current rating under heatsink-cooled conditions; sets minimum heatsink sizing requirement. |
| trr | 145 ns - Measured at IF = 1.0 A, VR = 30 V, dI/dt = 50 A/µs; enables operation in 100+ kHz SMPS topologies with low switching loss. |
| VF | 1.85 V at 20 A - Forward voltage drop at rated surge current; directly impacts conduction loss and thermal design margin. |
| IFSM | 100 A - Peak one-cycle surge rating (8.3 ms half-sine); supports inrush current handling in AC-DC front-ends. |
| RθJC | 2.0 °C/W - Junction-to-case thermal resistance (TO-220AC); determines temperature rise per watt dissipated at the heatsink interface. |
Pinout & Package
Package: TO-220AC - Insulated case, 2-pin through-hole plastic power package with isolated tab (pin 2), matte tin-plated leads, UL 94V-0 epoxy, and 10 in-lbs max mounting torque.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Forward current entry point; connects to AC input or switching node in bridge/freewheeling configurations. |
| Pin 2 | Cathode / Heatsink Tab | Current return path and primary thermal interface; electrically isolated from internal die but mechanically bonded to case. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Enables stable long-term reliability and moisture resistance without hermetic sealing, suitable for industrial ambient conditions. |
| Superfast recovery time (145 ns) | Reduces reverse recovery loss and EMI generation in high-frequency converters, improving system efficiency above 50 kHz. |
| Low leakage current (10 µA @ 25 °C) | Minimizes standby power loss in offline adapters and ensures predictable blocking behavior over temperature. |
| High forward surge capability (100 A) | Withstands repeated line surges and capacitor-charging transients without degradation, extending service life in unregulated inputs. |
| RoHS-compliant, JESD201 Class 1A whisker tested | Meets commercial-grade reliability standards for lead-free reflow assembly and long-term interconnect integrity. |
Applications
| Switch-Mode Power Supply Output Rectification | DC-DC Boost Converter Freewheeling Diode |
|---|---|
Use Scenario: Used in secondary-side synchronous or diode-rectified outputs of 100–500 W AC-DC adapters and server PSUs. IC Role / Device Role / Timing Role: Unidirectional current steering element during flyback or forward converter off-time. Use Value: 145 ns trr and 1.85 V VF balance conduction and switching losses, enabling >90% efficiency at 100 kHz operation. |
Use Scenario: Placed across inductor in non-isolated boost PFC or battery charger circuits operating at 65–200 kHz. IC Role / Device Role / Timing Role: Freewheeling path for inductive current during high-side switch off-phase. Use Value: Low Qrr (700 nC) minimizes voltage overshoot and snubber stress, reducing component count and layout complexity. |
| Inverter DC-Link Clamping Diode | Industrial Motor Drive Snubber Network |
Use Scenario: Employed in three-phase inverter leg clamping networks for UPS and solar inverters with 600 V bus ratings. IC Role / Device Role / Timing Role: Transient energy diversion path during IGBT turn-off commutation. Use Value: 600 V VRRM and 100 A IFSM provide margin against bus overvoltage spikes and short-circuit events. |
Use Scenario: Integrated into RC snubber circuits across IGBTs or MOSFETs in variable-frequency drives operating up to 15 kHz. IC Role / Device Role / Timing Role: Fast recovery path for snubber capacitor discharge current. Use Value: Controlled dI/dt (60 A/µs) and stable trr ensure repeatable snubber timing and prevent oscillatory ringing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH8R06DJF | 600 V VRRM, 8 A IF(AV), 75 ns trr, TO-220AC package, higher VF (1.95 V @ 20 A) | Lower trr improves high-frequency efficiency but increases conduction loss; requires thermal reassessment. | Select when trr < 100 ns is critical and VF increase is acceptable within thermal budget. |
| ES1J-E3/54 | 600 V VRRM, 1 A IF(AV), 35 ns trr, DO-41 package, not thermally scalable | Not suitable for >2 A continuous loads; limited to low-power auxiliary rails or signal-level clamping. | Use only in space-constrained, low-current (<1 A) applications where ultra-fast recovery outweighs current capacity. |
Compared with BY229-600-E3/45, STTH8R06DJF offers faster recovery at higher conduction loss, while ES1J-E3/54 sacrifices current rating and thermal capability for extreme speed-making BY229-600-E3/45 the balanced choice for 8 A, 600 V industrial power rectification.
Availability
BY229-600-E3/45 is available at Aetrix Electronics and suitable for industrial motor drives, telecom power supplies, and renewable energy inverters requiring stable component supply, RoHS compliance, and proven thermal performance in TO-220AC packages.
Supply support for BY229-600-E3/45 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in power rectifiers, MOSFETs, and optoelectronics with emphasis on reliability, efficiency, and manufacturability.
The BY229 series was engineered for high-volume industrial power conversion, delivering robust fast-recovery performance in cost-effective plastic packages with standardized thermal and mechanical interfaces.
FAQ
What is the maximum junction temperature rating for the BY229-600-E3/45?
The BY229-600-E3/45 has a maximum operating junction temperature (TJ max.) of +150 °C, as specified in the Vishay datasheet Document Number 88540. This rating allows reliable operation in high-ambient environments such as enclosed industrial power supplies and motor drive cabinets when mounted on an appropriately sized heatsink.
Is the BY229-600-E3/45 RoHS compliant and lead-free?
Yes, the BY229-600-E3/45 is RoHS compliant per Directive 2011/65/EU and uses matte tin-plated leads compatible with lead-free reflow soldering. The "E3" suffix confirms compliance with JESD201 Class 1A whisker testing, ensuring interconnect reliability in commercial-grade applications.
What is the reverse recovery time (trr) specification for the BY229-600-E3/45?
The BY229-600-E3/45 has a maximum reverse recovery time (trr) of 145 ns, measured under IF = 1.0 A, VR = 30 V, dI/dt = 50 A/µs, and Irr = 10 % IRM. This value is consistent across the BY229-200 to BY229-800 family and is confirmed in the Electrical Characteristics table of the official datasheet.
Does the BY229-600-E3/45 have an isolated heatsink tab?
Yes, the BY229-600-E3/45 in TO-220AC package features an electrically isolated heatsink tab (Pin 2), allowing direct mounting to grounded metal chassis without additional insulation. This isolation is inherent to the TO-220AC construction and verified in the Mechanical Data section of the Vishay datasheet.
What is the thermal resistance from junction to case (RθJC) for the BY229-600-E3/45?
The thermal resistance from junction to case (RθJC) for the BY229-600-E3/45 is 2.0 °C/W, as published in the Thermal Characteristics table of the Vishay datasheet. This value applies specifically to the TO-220AC package variant and is essential for calculating junction temperature rise under steady-state power dissipation.
BY229-600-E3/45 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- TO-220-2
- Packaging:
- Tube
- Product Status:
- Obsolete
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 600 V
- Current - Average Rectified (Io):
- 8A
- Voltage - Forward (Vf) (Max) @ If:
- 1.85 V @ 20 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 145 ns
- Current - Reverse Leakage @ Vr:
- 10 µA @ 600 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220AC
- Operating Temperature - Junction:
- -40°C ~ 150°C
BY229-600-E3/45 FAQ
1.How can I place an order for BY229-600-E3/45 through Aetrix?
Please submit a Request for Quotation (RFQ) for BY229-600-E3/45 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 BY229-600-E3/45 reliable?
The price and inventory of BY229-600-E3/45 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BY229-600-E3/45 is usually 5 days.
3.What payment methods are accepted for BY229-600-E3/45?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BY229-600-E3/45 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BY229-600-E3/45?
BY229-600-E3/45 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BY229-600-E3/45 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 BY229-600-E3/45?
For technical support, including BY229-600-E3/45 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BY229-600-E3/45 requirements.
6.How does Aetrix verify that BY229-600-E3/45 is sourced from the original manufacturer or authorized distributors?
All BY229-600-E3/45 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 BY229-600-E3/45 meets industry standards.
7.What is the process for return or replacement of BY229-600-E3/45?
All BY229-600-E3/45 units undergo pre-shipment inspection (PSI). If there is an issue with BY229-600-E3/45, 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 BY229-600-E3/45 part is unused and in its original packaging.
Return procedure for BY229-600-E3/45:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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