FMKA140 FMKA140 is a 40V, 1A Schottky rectifier diode in a surface mount DO-214AC (SMA) package. It features a low forward voltage of 600 mV at 1A.
Mfr Part #:

FMKA140

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
FMKA140 is a 40V, 1A Schottky rectifier diode in a surface mount DO-214AC (SMA) package. It features a low forward voltage of 600 mV at 1A.
Total Stock: 10,948 pcs
$ Price Range: $0.55

FMKA140 Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
5,978 pcs
5978 pcs On Request 1 On Request On Request 0536+ On Request On Request
Non-Authorised Inventory information
4,970 pcs
4970 pcs On Request 1 On Request On Request 2026-02-12 06:06:00 On Request On Request

FMKA140 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Lead Style
Medical Grade
Mounting Type
Non-Repetitive Peak Forward Surge Current
Operating Temperature
Power Dissipation
Repetitive Peak Reverse Voltage
Reverse Current (Maximum @ VR=40 V, TA=100 °C)
Reverse Current (Maximum @ VR=40 V, Ta=25 °C)
Speed
Storage Temperature
Storage Temperature Range
Supplier Device Package
Tape & Reel
Technology
Thermal Resistance, Junction to Lead (Half wave, single phase, 60 Hz)
Voltage

FMKA140 Description

Short technical summary and product information.

The FMKA140 is a Schottky rectifier diode designed for low voltage, high frequency applications. It offers a maximum repetitive peak reverse voltage of 40V and an average rectified forward current of 1A at a lead temperature of 120°C. The forward voltage is typically 600 mV at 1A, enabling efficient rectification with minimal power loss.

 

This device can handle a non-repetitive peak forward surge current of 30A, making it suitable for applications with transient overcurrent conditions. The reverse current is specified as 1 mA maximum at 25°C and 10 mA maximum at 100°C. The operating junction temperature range is -65°C to 125°C, with a storage temperature range of -65°C to 150°C.

 

The FMKA140 is housed in a compact DO-214AC (SMA) surface mount package with J-bend leads, allowing for automated assembly. The package has a maximum power dissipation rating of 1.2W. This component is RoHS3 compliant and has an MSL of Level 1 (unlimited).

FMKA140 Quick Information

Product Type: Schottky Rectifier Diode
Canonical Name: FMKA140 Schottky Rectifier Diode
Subcategory: Single Diodes

FMKA140 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

FMKA140 Estimated Pricing

Qty Low High
550+ $0.55 $0.55

Estimated market price range - modelled values for guidance only, not live distributor offers.

FMKA140 Features

  • 40V maximum repetitive peak reverse voltage.
  • 1A average forward current rating.
  • Low forward voltage of 600 mV typical.
  • Surface mount DO-214AC (SMA) package.
  • 30A non-repetitive surge current capability.

FMKA140 Applications

  • Used in low voltage power supply rectification.
  • Suitable for DC-DC converter output stages.
  • Ideal for freewheeling and polarity protection.
  • Applied in high frequency switching circuits.

FMKA140 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum repetitive peak reverse voltage of the FMKA140?

The maximum repetitive peak reverse voltage (VRRM) is 40V.

What is the average forward current rating of the FMKA140?

The average rectified forward current (IF(AV)) is 1A at a lead temperature of 120°C.

What is the forward voltage of the FMKA140 at 1A?

The typical forward voltage is 600 mV at a forward current of 1A.

What package does the FMKA140 come in?

The FMKA140 is available in a DO-214AC (SMA) surface mount package with J-bend leads.

What is the operating junction temperature range?

The operating junction temperature range is -65°C to 125°C.

What is the non-repetitive peak forward surge current rating?

The non-repetitive peak forward surge current (IFSM) is 30A.

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