MBR745G
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onsemi MBR745G

Manufacturer No:
MBR745G
Manufacturer:
onsemi
Package:
Tube
Description:
DIODE SCHOTTKY 45V 7.5A TO220-2
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MBR745G is a SWITCHMODE™ Schottky Barrier Power Rectifier produced by onsemi. This component is designed for high-efficiency and low power loss, making it suitable for various power management and rectification applications. The MBR745G features a moulded epoxy case with all external surfaces being corrosion-resistant, ensuring durability and reliability in diverse operating conditions.

Key Specifications

Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage VRRM 45 V
Working Peak Reverse Voltage VRWM 45 V
Average Rectified Forward Current (TC = 164°C) IF(AV) 7.5 A
Peak Repetitive Forward Current (Square Wave, 20 kHz, TC = 168°C) IFRM 7.5 A
Non-Repetitive Peak Surge Current (Surge Applied at Rated Load Conditions Halfwave, Single Phase, 60 Hz) IFSM 150 A
Operating Junction Temperature TJ -65 to +175 °C
Storage Temperature Range Tstg -65 to +175 °C
Maximum Instantaneous Forward Voltage (iF = 7.5 Amps, TJ = 125°C) vF 0.48 V
Maximum Thermal Resistance, Junction-to-Ambient RθJA 60 °C/W

Key Features

  • Low Forward Voltage: The MBR745G has a low forward voltage, which reduces power loss and increases efficiency in power rectification applications.
  • High Surge Capacity: It can handle non-repetitive peak surge currents up to 150 A, making it robust against transient conditions.
  • High Operating Junction Temperature: The device can operate at junction temperatures up to 175°C, ensuring reliability in high-temperature environments.
  • Corrosion-Resistant: All external surfaces are corrosion-resistant, enhancing the component's durability.
  • Pb-Free Packages: Available in Pb-free packages, making it compliant with environmental regulations.

Applications

  • Power Supply Output Rectification: Ideal for use in power supply units where high efficiency and low forward voltage are crucial.
  • Power Management: Suitable for various power management circuits requiring high current handling and low power loss.
  • Instrumentation: Used in instrumentation applications where reliability and efficiency are paramount.

Q & A

  1. What is the peak repetitive reverse voltage of the MBR745G?

    The peak repetitive reverse voltage (VRRM) of the MBR745G is 45 V.

  2. What is the average rectified forward current of the MBR745G at 164°C?

    The average rectified forward current (IF(AV)) at 164°C is 7.5 A.

  3. What is the maximum operating junction temperature of the MBR745G?

    The maximum operating junction temperature (TJ) is 175°C.

  4. Is the MBR745G available in Pb-free packages?
  5. What is the maximum instantaneous forward voltage of the MBR745G at 7.5 A and 125°C?

    The maximum instantaneous forward voltage (vF) at 7.5 A and 125°C is 0.48 V.

  6. What are the typical applications of the MBR745G?

    The MBR745G is typically used in power supply output rectification, power management, and instrumentation.

  7. What is the storage temperature range of the MBR745G?

    The storage temperature range (Tstg) is -65 to +175°C.

  8. Can the MBR745G handle high surge currents?
  9. Is the MBR745G corrosion-resistant?
  10. What is the maximum thermal resistance, junction-to-ambient, of the MBR745G?

    The maximum thermal resistance, junction-to-ambient (RθJA), is 60 °C/W.

Product Attributes

Diode Type:Schottky
Voltage - DC Reverse (Vr) (Max):45 V
Current - Average Rectified (Io):7.5A
Voltage - Forward (Vf) (Max) @ If:840 mV @ 15 A
Speed:Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr):- 
Current - Reverse Leakage @ Vr:100 µA @ 45 V
Capacitance @ Vr, F:- 
Mounting Type:Through Hole
Package / Case:TO-220-2
Supplier Device Package:TO-220-2
Operating Temperature - Junction:-65°C ~ 175°C
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Same Series
MBR745
MBR745
DIODE SCHOTTKY 45V 7.5A TO220AC
MBR735G
MBR735G
DIODE SCHOTTKY 35V 7.5A TO220-2

Similar Products

Part Number MBR745G MBR735G MBR745
Manufacturer onsemi onsemi SMC Diode Solutions
Product Status Active Obsolete Active
Diode Type Schottky Schottky Schottky
Voltage - DC Reverse (Vr) (Max) 45 V 35 V 45 V
Current - Average Rectified (Io) 7.5A 7.5A 7.5A
Voltage - Forward (Vf) (Max) @ If 840 mV @ 15 A 840 mV @ 15 A 570 mV @ 7.5 A
Speed Fast Recovery =< 500ns, > 200mA (Io) Fast Recovery =< 500ns, > 200mA (Io) Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr) - - -
Current - Reverse Leakage @ Vr 100 µA @ 45 V 100 µA @ 35 V 1 mA @ 45 V
Capacitance @ Vr, F - - 400pF @ 5V, 1MHz
Mounting Type Through Hole Through Hole Through Hole
Package / Case TO-220-2 TO-220-2 TO-220-2
Supplier Device Package TO-220-2 TO-220-2 TO-220AC
Operating Temperature - Junction -65°C ~ 175°C -65°C ~ 175°C -55°C ~ 150°C

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