MBR2535CT Equivalent & Substitute Parts

Part Overview

The MBR2535CT is a Schottky diode array in a 1 Pair Common Cathode configuration manufactured by Vishay General Semiconductor - Diodes Division. This component is rated for 35 V DC reverse voltage and 15 A average rectified current per diode, housed in a TO-220-3 through-hole package. The MBR2535CT is classified as obsolete, necessitating identification of active equivalent and substitute parts for new designs and ongoing production requirements. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts offer compatible functionality within defined parameter tolerances.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	35 V
Current - Average Rectified (Io) (per Diode)	15 A
Voltage - Forward (Vf) (Max) @ If	820 mV @ 30 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 35 V
Operating Temperature - Junction	-65°C ~ 150°C
Mounting Type	Through Hole
Package / Case	TO-220-3

Substitute Part Grouping Explanation

Substitution of the MBR2535CT is determined by the following critical parameters: diode configuration (1 Pair Common Cathode), technology (Schottky), package type (TO-220-3 through-hole), and electrical ratings (voltage and current specifications). Parts are grouped into three categories based on their relationship to the main part:

Parametric Equivalents maintain all electrical specifications identical to the MBR2535CT: 35 V reverse voltage, 15 A average rectified current, 820 mV forward voltage at 30 A, and 200 µA reverse leakage at 35 V. These parts differ only in product status (active versus obsolete) or packaging format (tube versus bulk).

Direct Manufacturer Alternatives are offered by different manufacturers but share the same base part number (MBR2535) and core electrical ratings. These parts may exhibit variations in forward voltage characteristics, reverse leakage current, or operating temperature ranges while maintaining compatibility with the original application.

Manufacturer Recommended Substitutes provide enhanced electrical performance or extended operating temperature ranges. These parts maintain the 35 V reverse voltage rating and TO-220-3 package but may offer higher current ratings (30 A versus 15 A) or improved thermal characteristics. Higher voltage-rated alternatives (45 V) are included for applications requiring additional voltage margin.

Parameter Comparison

Part Number	Manufacturer	Product Status	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Ir @ Vr	Tj (Operating)	Package	RoHS Status
MBR2535CT	Vishay	Obsolete	35 V	15 A	820 mV @ 30 A	200 µA @ 35 V	-65°C ~ 150°C	TO-220-3	Non-compliant
MBR2535CT-E3/45	Vishay	Active	35 V	15 A	820 mV @ 30 A	200 µA @ 35 V	-65°C ~ 150°C	TO-220-3	ROHS3 Compliant
VS-MBR2535CT-M3	Vishay	Active	35 V	15 A	820 mV @ 30 A	200 µA @ 35 V	-65°C ~ 150°C	TO-220-3	ROHS3 Compliant
MBR2535CTL	SMC Diode Solutions	Active	35 V	Not specified	470 mV @ 12.5 A	1 mA @ 35 V	-55°C ~ 150°C	TO-220-3	ROHS3 Compliant
MBR2535CTG	onsemi	Active	35 V	30 A	820 mV @ 30 A	200 µA @ 35 V	-65°C ~ 175°C	TO-220-3	ROHS3 Compliant
MBR2535CTLG	onsemi	Active	35 V	12.5 A	470 mV @ 12.5 A	5 mA @ 35 V	-65°C ~ 150°C	TO-220-3	ROHS3 Compliant
STPS2545CT	STMicroelectronics	Active	45 V	12.5 A	570 mV @ 12.5 A	125 µA @ 45 V	-55°C ~ 175°C	TO-220-3	ROHS3 Compliant
STPS3045CT	STMicroelectronics	Active	45 V	15 A	570 mV @ 15 A	200 µA @ 45 V	-55°C ~ 200°C	TO-220-3	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Parametric Equivalents): MBR2535CT-E3/45 and VS-MBR2535CT-M3 are direct parametric equivalents with identical electrical specifications. Both are active products with ROHS3 compliance, making them suitable for new designs and production transitions. MBR2535CT-E3/45 is available in tube packaging with 970 units in stock, while VS-MBR2535CT-M3 offers 1128 units in stock.

Manufacturer Alternative: MBR2535CTL from SMC Diode Solutions maintains the 35 V reverse voltage rating and TO-220-3 package with high inventory availability (38200 units). This part exhibits lower forward voltage (470 mV @ 12.5 A) and higher reverse leakage (1 mA @ 35 V) compared to the original specification. Operating temperature range is reduced to -55°C ~ 150°C. ROHS3 compliance is confirmed, though REACH status is affected.

Enhanced Performance Alternatives: MBR2535CTG from onsemi provides doubled current rating (30 A versus 15 A) while maintaining identical forward voltage and reverse leakage characteristics. Extended maximum junction temperature (175°C) offers improved thermal margin. MBR2535CTLG from onsemi provides a lower-current variant (12.5 A) with reduced forward voltage (470 mV @ 12.5 A), suitable for applications with lower current requirements.

Higher Voltage Alternatives: STPS2545CT and STPS3045CT from STMicroelectronics offer 45 V reverse voltage rating, providing additional voltage margin for applications operating near the 35 V limit. STPS3045CT matches the 15 A current rating with improved maximum junction temperature (200°C). Both parts are ROHS3 compliant and widely available.

Frequently Asked Questions (FAQ)

Q: Can MBR2535CT-E3/45 be used as a direct replacement for MBR2535CT?

A: Yes. MBR2535CT-E3/45 is a parametric equivalent with identical electrical specifications: 35 V reverse voltage, 15 A average rectified current, 820 mV forward voltage at 30 A, and 200 µA reverse leakage at 35 V. The primary difference is product status (active versus obsolete) and RoHS compliance (ROHS3 compliant). Both use TO-220-3 through-hole packaging.

Q: What is the difference between MBR2535CTG and MBR2535CT?

A: MBR2535CTG provides enhanced current rating (30 A versus 15 A per diode) and extended maximum junction temperature (175°C versus 150°C). Forward voltage and reverse leakage characteristics remain identical. This part is suitable for applications requiring higher current capacity or improved thermal performance while maintaining the same 35 V voltage rating and TO-220-3 package.

Q: Can MBR2535CTL be substituted for MBR2535CT?

A: MBR2535CTL maintains the 35 V reverse voltage rating and TO-220-3 package but exhibits different electrical characteristics: lower forward voltage (470 mV @ 12.5 A versus 820 mV @ 30 A) and higher reverse leakage (1 mA @ 35 V versus 200 µA @ 35 V). Operating temperature range is reduced to -55°C ~ 150°C. Substitution is valid for applications where these parameter variations are acceptable.

Q: Are STPS2545CT and STPS3045CT compatible with MBR2535CT applications?

A: STPS2545CT and STPS3045CT are compatible alternatives with higher voltage ratings (45 V versus 35 V). STPS3045CT matches the 15 A current rating, while STPS2545CT provides 12.5 A. Both maintain TO-220-3 through-hole packaging and Schottky technology. The higher voltage rating provides additional margin for applications operating near the original 35 V specification. Forward voltage is lower (570 mV) compared to the original part.

Q: What is the significance of the TO-220-3 package designation?

A: TO-220-3 indicates a three-lead through-hole package with a common cathode configuration for the diode pair. All substitute parts listed maintain this package type, ensuring mechanical and electrical compatibility with existing PCB layouts and thermal management solutions. The package supports direct mounting to heat sinks for thermal dissipation.

Q: Why is MBR2535CT classified as obsolete?

A: MBR2535CT is classified as obsolete by Vishay General Semiconductor, indicating discontinued production. Active equivalent parts (MBR2535CT-E3/45 and VS-MBR2535CT-M3) are available from the same manufacturer with identical specifications and improved RoHS compliance, making them the preferred choice for new designs and production continuity.

Q: What does ROHS3 compliance mean for these parts?

A: ROHS3 compliance indicates conformance to the Restriction of Hazardous Substances Directive 3, restricting the use of specific hazardous materials including lead, mercury, cadmium, and hexavalent chromium. All active substitute parts listed are ROHS3 compliant, while the original MBR2535CT is non-compliant. This compliance is required for many applications, particularly in consumer electronics and regulated industries.

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