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Vishay General Semiconductor - Diodes Division VS-UFB210FA40P
- Part No.:
- VS-UFB210FA40P
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Diode Arrays
- Package:
- SOT-227-4, miniBLOC
- Datasheet:
-
VS-UFB210FA40P.pdf
- Description:
- DIODE MODULE GP 400V 210A SOT227
- Quantity:
- Payment:
- Shipping:
Inventory:5,168
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Product details
Overview
VS-UFB210FA40P from Vishay Semiconductors is an insulated ultrafast rectifier module integrating two independent FRED Pt® diodes in a SOT-227 package, rated for 400 V reverse voltage, 210 A average forward current per diode at TC = 133 °C, and 40 ns reverse recovery time at IF = 1.0 A. It delivers ultrasoft reverse recovery, low forward voltage (1.06 V typ. at 100 A, 25 °C), and operates up to 175 °C junction temperature-optimized for output rectification in industrial SMPS and welding equipment.
For engineers reviewing the VS-UFB210FA40P datasheet, VS-UFB210FA40P pinout, VS-UFB210FA40P application, or VS-UFB210FA40P equivalent, key selection criteria include its dual-diode isolation, 2500 V RMS insulation rating, thermal resistance of 0.32 °C/W (per leg), soft recovery behavior under high dIF/dt (up to 200 A/μs), and lead-free (P) compliance for industrial power conversion designs.
Technical Context
The VS-UFB210FA40P implements two fully isolated, Pt-diffused ultrafast diodes with lifetime-controlled carrier recombination to achieve ultrasoft reverse recovery waveforms-minimizing peak reverse recovery current (10.5 A typ. at 25 °C) and stored charge (490 nC typ.). Its structure suppresses EMI/RFI generation and reduces switching losses in high-frequency rectification stages.
Thermally, it features a dual-leg SOT-227 baseplate with 0.16 °C/W junction-to-case resistance when both legs conduct, enabling high-power density operation. The module's 2500 V RMS isolation between terminals and case supports safety-critical industrial systems requiring reinforced insulation per UL E78996.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 400 V - Withstands DC or repetitive peak reverse voltage up to 400 V without breakdown. |
| Avg. Forward Current (IF(AV)) | 210 A per diode at TC = 133 °C - Enables high-output-current rectification with controlled thermal rise on heatsink. |
| Reverse Recovery Time (trr) | 40 ns at IF = 1.0 A, dIF/dt = 200 A/μs, VR = 30 V - Ultrafast soft recovery minimizes snubber stress and EMI. |
| Forward Voltage (VFM) | 1.06 V typ. at IF = 100 A, 25 °C - Low conduction loss improves system efficiency in high-current DC output stages. |
| Junction Temp. Max (TJ) | 175 °C - Supports sustained operation in thermally demanding industrial environments like arc welding inverters. |
| Isolation Voltage (VISOL) | 2500 V RMS, 1 min - Provides reinforced insulation between power terminals and metal baseplate for safety compliance. |
| Thermal Resistance (RthJC) | 0.32 °C/W per leg - Enables precise thermal modeling and heatsink sizing for single-leg operation. |
Pinout & Package
The VS-UFB210FA40P uses the industry-standard insulated SOT-227 package (38.3 × 30.2 mm footprint, 12.5 mm height), featuring four terminals mounted on a ceramic-insulated copper baseplate. Mounting torque: 1.3 Nm. Weight: 30 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode 1 | Input terminal for first diode; connects to high-side switching node in dual-output or parallel configurations. |
| 2 | Cathode 1 | Output terminal for first diode; routes rectified current to load or bus capacitor. |
| 3 | Anode 2 | Input terminal for second independent diode; enables dual-channel or interleaved rectification. |
| 4 | Cathode 2 | Output terminal for second diode; electrically isolated from Cathode 1 for separate circuit routing. |
Key Features
| Feature | Design Value |
|---|---|
| Two independent diodes | Enables dual-output rectification or parallel operation without shared thermal or electrical coupling. |
| Ultrasoft reverse recovery | Reduces dI/dt-induced voltage spikes and EMI, lowering snubber component stress and filter complexity. |
| 175 °C max junction temperature | Extends reliability in high-ambient industrial settings and allows derating flexibility for long-life designs. |
| Low VFM (1.06 V typ.) | Minimizes conduction losses at 100 A, improving full-load efficiency in 10–50 kW SMPS and welder outputs. |
| UL E78996 certified | Validates reinforced insulation integrity for use in safety-critical Class I and II industrial equipment. |
Applications
| Welding Inverter Output Stage | Industrial SMPS Secondary Rectification |
|---|---|
|
Use Scenario: High-current DC output stage of IGBT-based arc welding inverters operating at 20–100 kHz switching frequency. IC Role / Device Role / Timing Role: Dual ultrafast rectifier providing isolated, low-loss AC-to-DC conversion after high-frequency transformer. Use Value: 40 ns trr and ultrasoft recovery reduce switching losses in IGBT freewheeling paths and suppress RFI during arc ignition. |
Use Scenario: Secondary-side synchronous or diode rectification in 3–15 kW telecom or factory automation SMPS units. IC Role / Device Role / Timing Role: Two independent 210 A diodes delivering parallel or split-rail DC output with thermal separation. Use Value: 0.32 °C/W RthJC per leg enables compact heatsinking; 2500 V isolation meets EN 62368-1 reinforced insulation requirements. |
| DC/DC Converter Output Module | High-Power Battery Charging System |
|
Use Scenario: Isolated 48 V or 54 V output rectification in bidirectional DC/DC converters for energy storage systems. IC Role / Device Role / Timing Role: Dual-diode module handling continuous 210 A per channel with independent thermal paths. Use Value: 175 °C TJ rating ensures stable operation during transient overloads; low Qrr (490 nC) limits reverse recovery dissipation. |
Use Scenario: Onboard charger rectification stage in EV/HEV fast-charging infrastructure with 400 V input bus. IC Role / Device Role / Timing Role: Insulated 400 V, 210 A rectifier module converting high-frequency AC to regulated DC for battery pack charging. Use Value: Lead-free (P) construction complies with automotive RoHS; UL E78996 certification supports functional safety validation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultrafast insulated rectifier module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VSKF210A40P | Same SOT-227 package, identical 400 V/210 A rating, but single-diode configuration (vs. dual diodes in VS-UFB210FA40P). | Requires two devices for dual-channel use; lacks internal isolation between channels. | Select when only one high-current rectifier leg is needed or when board layout favors discrete placement over integrated dual topology. |
| IXYS MUBW25-16A | 1600 V VR rating, 25 A IF(AV), TO-247-3L package - lower current, higher voltage, non-insulated, no baseplate isolation. | Not suitable for 400 V/210 A applications; requires external isolation and heatsinking. | Consider only for lower-current, higher-voltage legacy designs where SOT-227 footprint and 2500 V isolation are not required. |
Compared with VSKF210A40P and IXYS MUBW25-16A, the VS-UFB210FA40P uniquely combines dual-diode integration, 2500 V RMS insulation, and 210 A per leg in a single SOT-227 module-enabling space-efficient, thermally optimized, and safety-certified rectification where channel independence and reinforced isolation are mandatory.
Availability
VS-UFB210FA40P is available at Aetrix Electronics and suitable for industrial SMPS, welding inverters, and high-power DC/DC converter applications requiring stable component supply, long-lifecycle support, and certified insulation performance.
Supply support for VS-UFB210FA40P 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-UFB210FA40P belongs to Vishay's Ultrafast Rectifier Module product line, engineered specifically for high-efficiency, high-reliability industrial power conversion where soft recovery, thermal robustness, and safety-rated insulation are critical.
FAQ
What is the maximum continuous forward current rating for each diode in the VS-UFB210FA40P?
The VS-UFB210FA40P is rated for 210 A average forward current per diode at case temperature TC = 133 °C. However, note that maximum continuous forward current must be limited to 100 A if power terminal temperature must not exceed its absolute maximum limit-this constraint applies when thermal design cannot maintain TC ≤ 133 °C under full load.
Does the VS-UFB210FA40P support parallel operation of its two diodes?
Yes, the VS-UFB210FA40P is explicitly designed for easy parallel operation: its two diodes are fully independent, share no internal connection, and feature matched dynamic characteristics-including ultrasoft recovery and low VFM dispersion-to ensure balanced current sharing without external balancing components.
What is the significance of the "P" suffix in VS-UFB210FA40P?
The "P" suffix in VS-UFB210FA40P indicates lead-free (Pb-free) construction, compliant with RoHS Directive 2011/65/EU and JEDEC JS709A halogen-free standards. This designation confirms the module uses environmentally compliant terminations and packaging materials without compromising thermal or electrical performance.
How does the VS-UFB210FA40P achieve ultrasoft reverse recovery?
The VS-UFB210FA40P achieves ultrasoft reverse recovery through platinum diffusion lifetime control in its FRED Pt® silicon die, shaping the reverse recovery current waveform to minimize dI/dt peaks and eliminate current tailing-reducing electromagnetic interference and snubber losses compared to standard ultrafast diodes.
Is the VS-UFB210FA40P suitable for use in automotive applications?
No-the VS-UFB210FA40P is designed and qualified for industrial-level applications only. Vishay documentation explicitly states it is not intended for medical, life-saving, or automotive applications where failure could result in personal injury or death; automotive-grade alternatives require AEC-Q101 qualification and different reliability testing.
VS-UFB210FA40P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- SOT-227-4, miniBLOC
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Diode Configuration:
- 2 Independent
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 400 V
- Current - Average Rectified (Io) (per Diode):
- 210A
- Voltage - Forward (Vf) (Max) @ If:
- 1.24 V @ 100 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 93 ns
- Current - Reverse Leakage @ Vr:
- 50 µA @ 400 V
- Operating Temperature - Junction:
- -55°C ~ 175°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Chassis Mount
- Supplier Device Package:
- SOT-227
VS-UFB210FA40P FAQ
1.How can I place an order for VS-UFB210FA40P through Aetrix?
Please submit a Request for Quotation (RFQ) for VS-UFB210FA40P 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-UFB210FA40P reliable?
The price and inventory of VS-UFB210FA40P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VS-UFB210FA40P is usually 5 days.
3.What payment methods are accepted for VS-UFB210FA40P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VS-UFB210FA40P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VS-UFB210FA40P?
VS-UFB210FA40P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VS-UFB210FA40P 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-UFB210FA40P?
For technical support, including VS-UFB210FA40P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VS-UFB210FA40P requirements.
6.How does Aetrix verify that VS-UFB210FA40P is sourced from the original manufacturer or authorized distributors?
All VS-UFB210FA40P 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-UFB210FA40P meets industry standards.
7.What is the process for return or replacement of VS-UFB210FA40P?
All VS-UFB210FA40P units undergo pre-shipment inspection (PSI). If there is an issue with VS-UFB210FA40P, 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-UFB210FA40P part is unused and in its original packaging.
Return procedure for VS-UFB210FA40P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VS-UFB210FA40P Tags
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BAV99-7-F
Diodes Incorporated
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BAT54C-7-F
Diodes Incorporated
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BAV99,215
Nexperia USA Inc.
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BAT54SLT1G
onsemi
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BAV70LT1G
onsemi
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BAT54CLT1G
onsemi
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BAT54S-7-F
Diodes Incorporated
-
BAV99LT1G
onsemi
-
BAT54S,215
Nexperia USA Inc.
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BAS40-04LT1G
onsemi
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MMBD1503-TP
Micro Commercial Co
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BAV99WT1G
onsemi
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