MBR2540CT-BP Equivalent & Substitute Parts Engineering Reference

Part Overview

The MBR2540CT-BP (Manufacturer: Micro Commercial Co) is a Schottky diode array configured as 1 Pair Common Cathode, rated at 40V reverse voltage and 25A forward rectified current per diode, in a TO-220-3 through-hole package. This component is categorized under Diodes, Rectifiers. The product is classified as Obsolete, making it necessary to source equivalent or substitute models to maintain continuity in design, repair, and supply for applications requiring its electrical and mechanical characteristics.

Key Parameters

Parameter	MBR2540CT-BP Specification
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io) (per Diode)	25A
Voltage - Forward (Vf) (Max) @ If	820 mV @ 25 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 40 V
Operating Temperature - Junction	-55°C ~ 150°C
Mounting Type	Through Hole
Package / Case	TO-220-3
Supplier Device Package	TO-220AB

Substitute Part Grouping Explanation

Substitution is determined by matching key parameters: diode configuration (1 Pair Common Cathode), technology (Schottky), maximum DC reverse voltage, average rectified current per diode, forward voltage at rated current, recovery speed, reverse leakage current, operating temperature range, mounting type, and package/case (TO-220-3 form factor). Only parts with these criteria present and compatible are included.

Parameter Comparison

Part Number	Manufacturer	Diode Configuration	Technology	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io) (per Diode)	Voltage - Forward (Vf) (Max) @ If	Speed	Current - Reverse Leakage @ Vr	Operating Temp - Junction	Mounting Type	Package / Case	Supplier Device Package	Product Status	Series
MBR2540CT-BP	Micro Commercial Co	1 Pair Common Cathode	Schottky	40 V	25A	820 mV @ 25 A	Fast Recovery ≤ 500ns, > 200mA (Io)	200 µA @ 40 V	-55°C ~ 150°C	Through Hole	TO-220-3	TO-220AB	Obsolete	-
MBR2545CT-BP	Micro Commercial Co	1 Pair Common Cathode	Schottky	45 V	25A	750 mV @ 15 A	Fast Recovery ≤ 500ns, > 200mA (Io)	1 mA @ 45 V	-55°C ~ 150°C	Through Hole	TO-220-3	TO-220AB	Active	-
DSB30C45PB	IXYS	1 Pair Common Cathode	Schottky	45 V	15A	590 mV @ 15 A	Fast Recovery ≤ 500ns, > 200mA (Io)	10 mA @ 45 V	-55°C ~ 150°C	Through Hole	TO-220-3	TO-220-3	Active	-

Engineering Selection Recommendations

The primary reason to select equivalent or substitute rectifier diodes such as MBR2545CT-BP and DSB30C45PB is the obsolete product status of the MBR2540CT-BP. Replacement is justified if the substitute maintains the necessary certifications including REACH Unaffected status and meets the required product compliance for inventory and supply chain. The MBR2545CT-BP retains product compliance matching the original part, while DSB30C45PB offers RoHS3 Compliant and REACH Unaffected status.

Frequently Asked Questions (FAQ)

Q1: What are the mandatory parameters to ensure compatibility when substituting rectifier diodes such as MBR2540CT-BP?
A1: The key parameters are: diode configuration, Schottky technology, maximum DC reverse voltage, average rectified current per diode, forward voltage at rated current, recovery speed, reverse leakage current, operating temperature range, mounting type, and package/case.

Q2: Are all substitute parts in through-hole TO-220-3 packages?
A2: All listed substitutes (MBR2545CT-BP and DSB30C45PB) utilize a through-hole mounting style and the TO-220-3 package, or its equivalent TO-220AB form.

Q3: What compliance certifications are present for these substitute parts?
A3: MBR2545CT-BP is REACH Unaffected, and DSB30C45PB is both RoHS3 Compliant and REACH Unaffected.

Q4: Should the average rectified current (Io) per diode be matched exactly?
A4: Substitute selection is based on provided current ratings; if the application requires 25A, only parts specified at 25A will match directly. DSB30C45PB is specified at 15A.

Q5: How are voltage and current ratings handled for substitution?
A5: Substitute parts must meet or exceed the voltage and current ratings of the original unless a lower-rated substitute is intentionally selected for a lower-current application, within the specified parameters.

Q6: Do these substitutes maintain the same operating temperature range?
A6: Yes, all listed parts support an operating junction temperature of -55°C to +150°C.

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