Equivalent & Substitute Parts Reference for MBRF30040

Part Overview

The MBRF30040 by GeneSiC Semiconductor is a Schottky diode array, categorized under Diodes, Rectifiers. It features a 1 pair common cathode configuration, a maximum reverse voltage of 40 V, and a rated average rectified current of 150A per diode. The device is housed in a TO-244AB package for chassis mounting. This product is currently listed as obsolete, necessitating the identification of equivalent or substitute parts with comparable electrical, mechanical, and thermal characteristics for continued design support or maintenance requirements.

Substiute Parts

MBRF30040
GeneSiC SemiconductorIn Stock: 1068MBRF30040 Datasheet
MBRF30040
Current Part
300CNQ040
SMC Diode SolutionsIn Stock: 1128300CNQ040 Datasheet
300CNQ040
Similar

Key Parameters

ParameterValue
Diode Configuration1 Pair Common Cathode
TechnologySchottky
Voltage - DC Reverse (Vr) (Max)40 V
Current - Average Rectified (Io) (per Diode)150A
Voltage - Forward (Vf) (Max) @ If700 mV @ 150 A
SpeedFast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr1 mA @ 40 V
Operating Temperature - Junction-55°C ~ 150°C
Mounting TypeChassis Mount
Package / CaseTO-244AB

Substitute Part Grouping Explanation

Substitution is determined strictly by alignment of the following key parameters:

  • Diode configuration
  • Schottky technology
  • Maximum reverse voltage
  • Average rectified current per diode
  • Maximum forward voltage at rated current
  • Speed (reverse recovery)
  • Reverse leakage current at maximum reverse voltage
  • Operating junction temperature range
  • Mounting type and mechanical package

Parts considered as substitutes must precisely match or be within the published parameter limits for these criteria to ensure proper fit and function within their intended diode rectifier applications.

Parameter Comparison

Parameter MBRF30040
(GeneSiC Semiconductor)
300CNQ040
(SMC Diode Solutions)
Diode Configuration 1 Pair Common Cathode 1 Pair Common Cathode
Technology Schottky Schottky
Voltage - DC Reverse (Vr) (Max) 40 V 40 V
Current - Average Rectified (Io) (per Diode) 150A 150A
Voltage - Forward (Vf) (Max) @ If 700 mV @ 150 A 610 mV @ 150 A
Speed Fast Recovery =< 500ns, > 200mA (Io) Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr 1 mA @ 40 V 15 mA @ 40 V
Operating Temperature - Junction -55°C ~ 150°C -55°C ~ 150°C
Mounting Type Chassis Mount Chassis Mount
Package / Case TO-244AB PRM4

Engineering Selection Recommendations

Selection of 300CNQ040 as a substitute for MBRF30040 is based on matching electrical performance characteristics, chassis mount status, and operating temperature range. 300CNQ040 is RoHS3 compliant and its product status is active, unlike the obsolete MBRF30040. Mechanical compatibility related to package/footprint must be evaluated based on provided package details: MBRF30040 utilizes TO-244AB, while 300CNQ040 is offered in PRM4. Compliance status (RoHS, REACH) and moisture sensitivity level (MSL 1) are satisfied for the substitute part.

Frequently Asked Questions (FAQ)

Q1: Which parameters must be matched for substituting a Schottky diode module in this category?
A1: Substitution requires identical diode configuration, Schottky technology, maximum reverse voltage, average rectified current, forward voltage at rated current, reverse recovery speed, reverse leakage current, operating temperature range, mounting type, and mechanical package.

Q2: What package considerations are relevant when choosing between MBRF30040 and 300CNQ040?
A2: MBRF30040 uses a TO-244AB package, while 300CNQ040 uses PRM4. Mechanical compatibility and mounting requirements must be confirmed against chassis mounting provisions and package outline.

Q3: How does compliance status affect substitute selection?
A3: The substitute part 300CNQ040 is RoHS3 compliant and REACH affected, with MSL 1. Compliance must be equivalent to the original part to meet environmental and manufacturing requirements.

Q4: Is there any difference in part status affecting long-term availability?
A4: MBRF30040 is obsolete. 300CNQ040 is active, making it suitable for ongoing design and procurement needs, subject to package compatibility.

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