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Vishay General Semiconductor - Diodes Division VS-UFH60BA65
- Part No.:
- VS-UFH60BA65
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Bridge Rectifiers
- Package:
- SOT-227-4, miniBLOC
- Datasheet:
-
VS-UFH60BA65.pdf
- Description:
- BRIDGE RECT 1P 650V 60A SOT-227
- Quantity:
- Payment:
- Shipping:
Inventory:92
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Product details
Overview
VS-UFH60BA65 from Vishay Semiconductors is an insulated single-phase hyperfast bridge rectifier module rated for 60 A DC output current at TC = 123 °C, 650 V maximum repetitive peak reverse voltage (VRRM), and 63 ns typical reverse recovery time (trr) at TJ = 25 °C. It features electrically isolated copper base plate, 2500 V RMS isolation voltage, and operates up to TJ = 175 °C - deployed in industrial AC/DC front-ends and high-frequency switching power supplies.
For engineers reviewing the VS-UFH60BA65 datasheet, VS-UFH60BA65 pinout, VS-UFH60BA65 application, or VS-UFH60BA65 equivalent, key selection criteria include its hyperfast soft-recovery behavior, thermal resistance junction-to-case of 0.91 °C/W per diode, UL approval (E78996), SOT-227 insulated package, and suitability for space-constrained, high-efficiency rectification where low Qrr and low trr reduce switching losses.
Technical Context
This module integrates four hyperfast FRED Pt® diodes in a single-phase bridge configuration with electrically isolated base plate - enabling direct mounting to common heatsinks without insulating washers. Its soft recovery minimizes EMI and voltage overshoot during commutation, while the 0.91 °C/W RthJC supports high-power density designs.
The device delivers 60 A average forward current under resistive/inductive loads at TC = 123 °C, with IFSM up to 377 A (60 Hz, t = 8.3 ms) and I²t rating of 589 A²s. Its VF(T0)1 = 0.88 V and rf1 = 16.49 mΩ reflect low conduction loss at light-to-moderate loads, critical for efficiency in PFC and SMPS stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 650 V - withstands peak line voltages up to 460 VAC systems with margin |
| IO at TC = 123 °C | 60 A - continuous DC output capability with standard heatsink mounting |
| trr (TJ = 25 °C) | 63 ns - enables operation in 100+ kHz SMPS without excessive switching loss |
| RthJC (per diode) | 0.91 °C/W - allows thermal design with <1.5 °C temperature rise per watt dissipated |
| Visol (1 min) | 2500 V RMS - ensures safety isolation between terminals and heatsink in Class I equipment |
| Qrr (TJ = 25 °C) | 130 nC - low stored charge reduces turn-off stress on upstream switches |
| TJ range | –55 to +175 °C - supports operation in harsh industrial environments |
Pinout & Package
SOT-227 Generation 2 package with electrically isolated copper base plate, 4× M4 mounting nuts, and 30 g mass. Dimensions: 38.05 × 31.8 × 25.1 mm (L × W × H). Base plate isolation eliminates need for thermal pads or insulators when mounted to shared heatsink.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (+) | Anode of upper leg / positive DC output | Connects to load or bulk capacitor positive rail; carries full output current |
| 2 (AC) | AC input terminal 1 | One side of AC input winding; paired with pin 4 for full-wave rectification |
| 3 (–) | Cathode of lower leg / negative DC output | Common return path; connects to load ground or capacitor negative rail |
| 4 (AC) | AC input terminal 2 | Second AC input connection; completes bridge input path with pin 2 |
Key Features
| Feature | Design Value |
|---|---|
| Hyperfast soft recovery | trr = 63 ns (25 °C) with low Irr = 4.1 A and soft current fall - reduces EMI and snubber stress |
| Electrically isolated base plate | 2500 V RMS isolation enables direct bolt-down to chassis-grounded heatsinks without insulation |
| High junction temperature rating | TJ max = 175 °C - extends lifetime and derating margin in compact enclosures |
| UL recognition | File E78996 - satisfies safety requirements for industrial power supplies and motor drives |
| Low forward slope resistance | rf1 = 16.49 mΩ - maintains low conduction loss across wide load range |
Applications
| Industrial AC/DC Power Supplies | Motor Drive Front-End Rectifiers |
|---|---|
Use Scenario: Three-phase or single-phase rectification feeding 400–800 V DC bus in variable frequency drives. IC Role / Device Role / Timing Role: Single-phase bridge rectifier module converting AC line to stable DC bus with minimal voltage overshoot. Use Value: Soft recovery and low Qrr prevent IGBT/diode shoot-through during regeneration and reduce snubber component count. |
Use Scenario: Input stage of servo amplifier powering brushless AC motors in CNC machinery. IC Role / Device Role / Timing Role: High-current, high-TJ-rated rectifier handling intermittent overload currents up to 377 A peak. Use Value: 175 °C junction rating and 0.91 °C/W RthJC allow sustained operation under forced-air cooling without thermal throttling. |
| High-Frequency Switch-Mode Power Supplies | Uninterruptible Power Supply (UPS) Rectifier Stages |
Use Scenario: Primary-side rectification in telecom rectifiers operating at 100–300 kHz switching frequencies. IC Role / Device Role / Timing Role: Hyperfast bridge providing low-loss, low-noise AC-to-DC conversion ahead of resonant LLC stage. Use Value: 63 ns trr and 130 nC Qrr minimize reverse recovery energy loss, improving overall efficiency by ≥0.5% at full load. |
Use Scenario: Line-powered charging circuit in double-conversion UPS systems with battery backup. IC Role / Device Role / Timing Role: Isolated bridge rectifier delivering regulated DC to charger ICs and battery management circuits. Use Value: 2500 V RMS isolation meets IEC 62368-1 reinforced insulation requirements for mains-connected UPS units. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar single-phase hyperfast bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VSKF60A65 | Same SOT-227 package, identical VRRM (650 V) and IO (60 A), but trr = 75 ns (25 °C) and Qrr = 155 nC - slightly slower recovery. | Acceptable in ≤100 kHz designs where EMI margin is relaxed; not recommended for >150 kHz PFC stages. | Select VS-UFH60BA65 over VSKF60A65 when minimizing switching loss or meeting strict EMI limits is required. |
| IXYS DSEE60-06AS | 60 A / 600 V hyperfast bridge in SOT-227, trr = 65 ns, but no UL recognition and RthJC = 1.05 °C/W - higher thermal resistance. | Lacks UL E78996 certification; requires additional safety validation for end-equipment compliance. | Choose VS-UFH60BA65 for certified industrial deployments; use DSEE60-06AS only in cost-sensitive, non-certified prototypes. |
Compared with VSKF60A65 and DSEE60-06AS, the VS-UFH60BA65 offers the lowest Qrr (130 nC) and best thermal performance (0.91 °C/W), along with mandatory UL approval - making it the preferred choice for production-grade, high-reliability AC/DC conversion where safety, efficiency, and thermal headroom are jointly constrained.
Availability
VS-UFH60BA65 is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, motor drive front-end rectifiers, and high-frequency switch-mode power supplies requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for VS-UFH60BA65 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 Intertechnology is a global semiconductor manufacturer specializing in discrete components, sensors, and passive elements, with leadership in power rectification, MOSFETs, and precision resistors.
The VS-UFH60BA65 belongs to Vishay's Hyperfast FRED Pt® bridge rectifier product line, engineered for high-efficiency, high-reliability AC/DC conversion in industrial, computing, and renewable energy systems where soft recovery and thermal robustness are essential.
FAQ
What is the maximum case temperature for continuous operation of the VS-UFH60BA65?
The VS-UFH60BA65 is rated for 60 A DC output current at TC = 123 °C, as specified in its major ratings table. Operation above this temperature requires derating per the current rating curves in Figure 5 of the datasheet. The device's 175 °C maximum junction temperature allows limited short-term overload at elevated case temperatures, provided thermal design maintains TJ ≤ 175 °C. Always verify actual TC using thermocouple measurement at the base plate center.
Does the VS-UFH60BA65 require thermal interface material when mounted to a heatsink?
Yes - although the VS-UFH60BA65 features an electrically isolated base plate, thermal interface material (e.g., silicone grease or phase-change pad) is required between the copper base and heatsink surface to minimize thermal resistance. The datasheet specifies RthCS = 0.1 °C/W for flat, greased surfaces; omitting TIM increases effective RthJC and risks exceeding TJ max under full load.
Is the VS-UFH60BA65 suitable for use in three-phase rectifier configurations?
No - the VS-UFH60BA65 is a single-phase bridge rectifier module with two AC input pins (pins 2 and 4) and one positive/negative DC output pair. It cannot replace a three-phase bridge. For three-phase applications, discrete diodes or dedicated three-phase modules (e.g., VS-UFH30N65) must be used. Using VS-UFH60BA65 in three-phase setups would result in incomplete rectification and catastrophic failure.
What is the isolation voltage rating of the VS-UFH60BA65, and how is it tested?
The VS-UFH60BA65 has a 2500 V RMS isolation voltage rating (VISOL), tested per IEC 60747-5-1 at 50 Hz for 1 minute between any terminal and the base plate. This confirms reinforced insulation for functional safety in Class I equipment. The test applies sinusoidal AC voltage with leakage current monitored; failure occurs if current exceeds 1 mA or flashover is observed. UL file E78996 validates this rating.
How does the soft recovery characteristic of the VS-UFH60BA65 improve system-level EMI performance?
The VS-UFH60BA65 exhibits soft reverse recovery - characterized by gradual current decay (low di/dt during turn-off) and low reverse recovery current (Irr = 4.1 A at 25 °C). This reduces high-frequency ringing and voltage spikes across parasitic inductances, lowering conducted and radiated EMI. In practice, this allows smaller EMI filters and fewer snubber components compared to standard fast recovery bridges, directly simplifying compliance testing for CISPR 11/32.
VS-UFH60BA65 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- FRED Pt®
- Package/Case:
- SOT-227-4, miniBLOC
- Packaging:
- Box
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 650 V
- Current - Average Rectified (Io):
- 60 A
- Voltage - Forward (Vf) (Max) @ If:
- 2.35 V @ 60 A
- Current - Reverse Leakage @ Vr:
- 100 µA @ 650 V
- Operating Temperature:
- 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Chassis Mount
- Supplier Device Package:
- SOT-227
VS-UFH60BA65 FAQ
1.How can I place an order for VS-UFH60BA65 through Aetrix?
Please submit a Request for Quotation (RFQ) for VS-UFH60BA65 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 VS-UFH60BA65 reliable?
The price and inventory of VS-UFH60BA65 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VS-UFH60BA65 is usually 5 days.
3.What payment methods are accepted for VS-UFH60BA65?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VS-UFH60BA65 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VS-UFH60BA65?
VS-UFH60BA65 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VS-UFH60BA65 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 VS-UFH60BA65?
For technical support, including VS-UFH60BA65 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VS-UFH60BA65 requirements.
6.How does Aetrix verify that VS-UFH60BA65 is sourced from the original manufacturer or authorized distributors?
All VS-UFH60BA65 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 VS-UFH60BA65 meets industry standards.
7.What is the process for return or replacement of VS-UFH60BA65?
All VS-UFH60BA65 units undergo pre-shipment inspection (PSI). If there is an issue with VS-UFH60BA65, 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 VS-UFH60BA65 part is unused and in its original packaging.
Return procedure for VS-UFH60BA65:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VS-UFH60BA65 Tags
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MB10S-13
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DF04M
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DF01M
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