VF30100S-E3/4W Vishay Schottky Diode (Transistor Outline, Vertical) In Stock

Name: VF30100S-E3/4W
Brand: Vishay
SKU: VF30100S-E3/4W
Availability: InStock

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.

ACTIVESchottky DiodeVerified Jul 2026

Package / Visual Reference

VF30100S-E3/4WTransistor Outline, Vertical

Quick Facts

Manufacturer: Vishay
Package: Transistor Outline, Vertical
Pin Count: 3
Lifecycle: ACTIVE
Datasheet: VF30100S-E3/4W Datasheet PDF
Category: Schottky Diode
Price: From $0.2600(MOQ 1)
Temp Range: -40.0°C to 150.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of VF30100S-E3/4W?

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

What is VF30100S-E3/4W used for?

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.

What are the specifications of VF30100S-E3/4W?

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

Where can I find the VF30100S-E3/4W datasheet?

VF30100S-E3/4W Datasheet Download

Official datasheet from Vishay

What are equivalent replacements for VF30100S-E3/4W?

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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Reference Price (USD)

From $0.2600

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$0.2600	$0.26

pcs

Unit price: $0.2600 · Total: $0.26

In Stock · 24h Response · Worldwide Shipping

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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