SS26S-M3/5AT Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS26S-M3/5AT is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 60V DC reverse voltage and 2A average rectified current in a surface mount DO-214AC (SMA) package. This component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain considerations, or design flexibility within the same application parameters.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	60 V
Current - Average Rectified (Io)	2 A
Voltage - Forward (Vf) (Max) @ If	750 mV @ 2 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 60 V
Package / Case	DO-214AC, SMA
Mounting Type	Surface Mount
Operating Temperature - Junction	-55°C ~ 150°C
Technology	Schottky
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SS26S-M3/5AT are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents (Vishay SS26 Series): Parts SS26S-E3/5AT, SS26S-E3/61T, and SS26SHE3_B/H maintain identical electrical specifications across all critical parameters: 60V reverse voltage, 2A average rectified current, 750mV forward voltage at 2A, and fast recovery characteristics. These parts differ only in packaging format (Tape & Reel or Cut Tape) or automotive qualification grade. Substitution within this group is direct for applications requiring the same electrical performance.

Manufacturer Recommended Alternatives (Cross-Manufacturer): Parts from STMicroelectronics (STPS2L60A, STPS2L60AY) and Diodes Incorporated (B260A-13-F) provide equivalent 60V/2A ratings with surface mount SMA packaging. These alternatives maintain the same reverse voltage and current ratings but exhibit variations in forward voltage (600-700mV range), reverse leakage current (100-500µA range), and operating temperature ranges. Selection from this group requires verification that forward voltage and leakage current variations are acceptable for the specific application circuit.

Current-Reduced Alternatives (1A Rating): Parts STPS160A, STPS160AY, and STPS1L60A are rated for 1A average rectified current instead of 2A. These parts are suitable only for applications where the circuit current requirement does not exceed 1A and where the lower current rating provides adequate design margin.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (A)	Vf (Max) @ If	Reverse Leakage @ Vr	Package	Temp Range	Automotive Grade
SS26S-M3/5AT	Vishay	60 V	2 A	750 mV @ 2 A	200 µA @ 60 V	DO-214AC (SMA)	-55°C ~ 150°C	No
SS26S-E3/5AT	Vishay	60 V	2 A	750 mV @ 2 A	200 µA @ 60 V	DO-214AC (SMA)	-55°C ~ 150°C	No
SS26S-E3/61T	Vishay	60 V	2 A	750 mV @ 2 A	200 µA @ 60 V	DO-214AC (SMA)	-55°C ~ 150°C	No
SS26SHE3_B/H	Vishay	60 V	2 A	750 mV @ 2 A	200 µA @ 60 V	DO-214AC (SMA)	-55°C ~ 150°C	Yes (AEC-Q101)
B260A-13-F	Diodes Inc.	60 V	2 A	700 mV @ 2 A	500 µA @ 60 V	DO-214AC (SMA)	-65°C ~ 150°C	No
STPS2L60A	STMicroelectronics	60 V	2 A	600 mV @ 2 A	100 µA @ 60 V	DO-214AC (SMA)	-40°C ~ 150°C	No
STPS2L60AY	STMicroelectronics	60 V	2 A	600 mV @ 2 A	100 µA @ 60 V	DO-214AC (SMA)	-40°C ~ 150°C	Yes (Automotive)
STPS160A	STMicroelectronics	60 V	1 A	670 mV @ 1 A	4 µA @ 60 V	DO-214AC (SMA)	-40°C ~ 150°C	No
STPS160AY	STMicroelectronics	60 V	1 A	670 mV @ 1 A	4 µA @ 60 V	DO-214AC (SMA)	-40°C ~ 150°C	Yes (AEC-Q101)
STPS1L60A	STMicroelectronics	60 V	1 A	570 mV @ 1 A	50 µA @ 60 V	DO-214AC (SMA)	-40°C ~ 150°C	No

Engineering Selection Recommendations

Direct Substitution (Identical Electrical Performance): SS26S-E3/5AT and SS26S-E3/61T are direct substitutes for SS26S-M3/5AT. All three parts share identical electrical specifications and differ only in packaging format (Tape & Reel versus Cut Tape). Selection between these variants depends on procurement and assembly requirements. SS26SHE3_B/H is also electrically identical but includes AEC-Q101 automotive qualification and is suitable for applications requiring automotive-grade components.

Cross-Manufacturer Substitution (2A Rating): STPS2L60A and STPS2L60AY from STMicroelectronics are rated for 60V/2A and maintain the same package format. These parts exhibit lower forward voltage (600mV versus 750mV at 2A) and lower reverse leakage current (100µA versus 200µA at 60V), resulting in improved efficiency and reduced leakage. STPS2L60AY includes automotive qualification. B260A-13-F from Diodes Incorporated also provides 60V/2A performance with 700mV forward voltage and extended temperature range (-65°C to 150°C).

Current-Reduced Alternatives (1A Rating): STPS160A, STPS160AY, and STPS1L60A are suitable only when circuit current requirements do not exceed 1A. These parts are not interchangeable with the 2A-rated main part in applications requiring full 2A capacity. STPS160AY and STPS160A are qualified to AEC-Q101 automotive standards.

Compliance and Certification: All listed parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating. Parts designated with automotive grade (SS26SHE3_B/H, STPS2L60AY, STPS160AY) carry AEC-Q101 qualification for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can SS26S-E3/5AT be used as a direct replacement for SS26S-M3/5AT? A: Yes. SS26S-E3/5AT is a parametric equivalent with identical electrical specifications (60V, 2A, 750mV forward voltage, 200µA reverse leakage) and the same DO-214AC (SMA) package. The difference is packaging format (Tape & Reel). No circuit modifications are required.

Q: What is the difference between SS26S-E3/61T and SS26S-E3/5AT? A: Both parts are electrically identical with 60V/2A ratings and 750mV forward voltage. The difference is packaging format: SS26S-E3/61T is supplied in Cut Tape (CT) format while SS26S-E3/5AT is supplied in Tape & Reel (TR) format. Selection depends on assembly line requirements.

Q: Can STPS2L60A replace SS26S-M3/5AT? A: STPS2L60A is electrically compatible for 60V/2A applications. However, it exhibits lower forward voltage (600mV versus 750mV at 2A) and lower reverse leakage (100µA versus 200µA at 60V). These differences result in improved efficiency but may affect circuit behavior in applications sensitive to forward voltage characteristics. Verification is required for circuits with tight voltage regulation or leakage-sensitive designs.

Q: Is SS26SHE3_B/H suitable for automotive applications? A: Yes. SS26SHE3_B/H carries AEC-Q101 automotive qualification and is rated for -55°C to 150°C junction temperature. It maintains identical electrical specifications to the standard SS26S-M3/5AT (60V, 2A, 750mV forward voltage).

Q: Can STPS160A be used instead of SS26S-M3/5AT? A: STPS160A is rated for 1A average rectified current, not 2A. It is suitable only for applications where circuit current does not exceed 1A. It cannot be used in applications requiring the full 2A capacity of the SS26S-M3/5AT.

Q: What is the temperature range difference between SS26S-M3/5AT and STPS2L60A? A: SS26S-M3/5AT operates from -55°C to 150°C junction temperature. STPS2L60A operates from -40°C to 150°C. The STPS2L60A has a narrower low-temperature range. For applications requiring operation below -40°C, the SS26S-M3/5AT or other Vishay parts with -55°C minimum rating are required.

Q: Are all listed parts ROHS3 compliant? A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the compliance profile of the SS26S-M3/5AT.

Q: What is the difference between STPS2L60A and STPS2L60AY? A: Both parts are electrically identical with 60V/2A ratings and 600mV forward voltage. STPS2L60AY includes automotive grade designation and AEC-Q101 qualification. STPS2L60AY also specifies -40°C to 150°C operating range, while STPS2L60A specifies -40°C to 150°C (Max) without explicit minimum temperature.

Q: Can B260A-13-F be used in place of SS26S-M3/5AT? A: B260A-13-F is rated for 60V/2A with 700mV forward voltage and extended temperature range (-65°C to 150°C). It is electrically compatible for most applications. The lower forward voltage (700mV versus 750mV) and higher reverse leakage (500µA versus 200µA) should be evaluated for circuits with strict voltage or leakage requirements.

Q: What packaging formats are available for the SS26 series? A: SS26S-M3/5AT and SS26S-E3/5AT are supplied in Tape & Reel (TR) format. SS26S-E3/61T is supplied in Cut Tape (CT) format. All three maintain identical electrical specifications and DO-214AC (SMA) package dimensions.

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