MBRS140T3

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MBRS140T3

+Nomenclature

DIODE SCHOTTKY 40V 1A SMB

  • FabricantSemi - conducteurs

  • Pièce fabricant #MBRS140T3

  • Package DO-214AA

  • En stock6667

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Spécifications

Attribut Valeur
Supplier Rochester Electronics, LLC
Package / Case Bulk
Part Status Obsolete
Diode Type Schottky
Voltage - DC Reverse (Vr) (Max) 40 V
Current - Average Rectified(Io) 1A
Voltage - Forward (Vf) (Max) @ If 600 mV @ 1 A
Speed Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr 1 mA @ 40 V
Mounting Type Surface Mount
Supplier Device Package SMB

Présentation

Description

MBRS140T3 is a Schottky barrier rectifier diode used in surface-mount power circuits. It is rated for about 1 A average forward current and 40 V reverse voltage. The device provides a very low forward voltage drop (roughly 0.4–0.5 V at 1 A) and ultrafast switching, which reduces conduction and switching losses in switching regulators. Typical applications include DC–DC converters (buck/boost), freewheeling/rectification in power supplies, OR-ing diodes, and reverse-polarity protection. It comes in a compact surface-mount package with a cathode stripe to indicate polarity.

Equivalent

MBRS140T3 is a 1 A, 40 V Schottky diode in SMA package. Equivalents:
- SS14
- SR140 (Vishay)
- MURS140 (ON Semiconductor)
- MBR140 (and RoHS variants like MBR140T3G)
Check exact package/pinout and lead-free variant to match your design.

Features

MBRS140T3 is a Schottky barrier rectifier with these key features:
- VRRM: 40 V (repetitive reverse voltage)
- IF(av): 1 A (average forward current)
- IFSM: ~30 A surge current (8.3 ms)
- Low forward voltage drop: typically ~0.45–0.50 V at 1 A
- Very fast switching: negligible reverse-recovery loss (Schottky)
- Low reverse leakage current
- Wide operating temperature: -55°C to +150°C
- RoHS compliant, lead-free
- Surface-mount package suitable for power-conversion and polarity-protection applications
Used for efficient DC-DC converters, freewheeling/rectification, and protection in compact power electronics.

Pinout

Two pins. It is a surface-mount Schottky barrier rectifier diode (anode and cathode) used for low‑loss rectification (typical 1 A, 40 V class).

Manufacturer

- Manufacturer: Vishay Intertechnology, Inc.
- What kind of company: A global electronics components company that designs and manufactures discrete semiconductors (e.g., Schottky diodes) and passive components (resistors, capacitors, inductors).

Application

MBRS140T3 is a 1 A, 40 V Schottky rectifier. Common applications include:
- High-frequency switch-mode power supplies (buck/boost/inverter) rectification
- Freewheeling/rectification diodes in DC-DC converter stages
- Reverse-polarity protection and input OR-ing for low-voltage DC circuits
- Battery charging and power-management circuits (including solar/PV applications)
- Power rails in automotive and consumer electronics
Low forward voltage drop and fast switching make it ideal for efficient, compact power designs.

Package

SMA package (DO-214AC) – surface-mount Schottky barrier rectifier.

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