VF30100S-E3/4W Vishay Schottky Diode (Transistor Outline, Vertical) In Stock
Vishay VF30100S-E3/4W is a single Schottky rectifier diode rated at 30 A forward current and 100 V reverse voltage in an isolated TO-220AB 3-pin package. Features 0.78 V maximum forward voltage drop for low power loss in freewheeling applications. Available from global distributors with worldwide shipping.
- Manufacturer
- Vishay
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- VF30100S-E3/4W Datasheet PDF
- Category
- Schottky Diode
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 30 A current rating at 100 V with 0.78 V maximum forward voltage for low-loss freewheeling and rectification in high-current power stages
- Isolated TO-220AB 3-pin package allowing direct heatsink mounting without additional insulating hardware, simplifying thermal management
- Silicon Schottky construction optimized for efficiency with lower switching losses versus standard PN rectifiers in DC-DC and motor drive circuits
Applications
The VF30100S-E3/4W is used as a freewheeling diode in motor drive circuits, synchronous buck converters, and switch-mode power supplies where 30 A current handling at 100 V is required with minimal conduction loss. Its isolated TO-220AB package allows easy heatsink attachment for thermal management in industrial power supplies, solar charge controllers, and server power modules operating at high duty cycles.
Specifications
| Factory Lead Time | 7Weeks |
| YTEOL | 5.82 |
| Additional Feature | FREE WHEELING DIODE, LOW POWER LOSS |
| Application | EFFICIENCY |
| Case Connection | ISOLATED |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | 0.78V |
| JEDEC-95 Code | TO-220AB |
| JESD-30 Code | R-PSFM-T3 |
| JESD-609 Code | e3 |
| Non-rep Pk Forward Current-Max | 250A |
| Number of Elements | 1 |
| Number of Phases | 1 |
| Output Current-Max | 30A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Qualification Status | Not Qualified |
| Rep Pk Reverse Voltage-Max | 100V |
| Surface Mount | NO |
| Technology | SCHOTTKY |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.80 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the forward voltage and current ratings of the VF30100S-E3/4W Schottky diode?
The VF30100S-E3/4W is rated at 30 A continuous forward current with a maximum forward voltage of 0.78 V at rated current, and a 100 V reverse blocking voltage. The low forward drop of 0.78 V significantly reduces conduction power losses compared to standard silicon rectifiers (typically 1 V or more) in freewheeling and output rectification stages of SMPS designs.
How does the isolated TO-220AB package of the VF30100S-E3/4W simplify heatsink mounting in power electronics?
The TO-220AB isolated case variant electrically isolates the metal tab from the anode and cathode, so the heatsink can be bolted directly to a common chassis ground without a mica washer or insulating pad. This reduces thermal resistance between junction and heatsink by eliminating extra insulation layers, improving heat dissipation in motor drive and power supply assemblies handling up to 30 A.
In which switching power supply topologies is the VF30100S-E3/4W most beneficial as a freewheeling diode?
The VF30100S-E3/4W is particularly effective as a freewheeling diode in buck converters, half-bridge motor drives, and flyback output stages operating at 24 V to 72 V bus voltages. Its 0.78 V maximum forward drop and fast Schottky recovery time minimize body diode conduction losses during dead-time intervals, improving efficiency by 1-3% compared to a standard PN diode at 100 kHz switching frequency and 30 A load.
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About Vishay
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