SS26 Schottky Diode 60V 2A DO-214AA Equivalent & Substitute Parts

Part Overview

The SS26 is an active Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 60V DC reverse voltage and 2A average rectified current in a DO-214AA (SMB) surface mount package. This component is used in power conversion circuits, reverse polarity protection, and high-frequency rectification applications requiring fast recovery characteristics. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or alternative packaging formats.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	60	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	700 mV @ 2 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	400	µA @ 60 V
Mounting Type	Surface Mount	—
Package / Case	DO-214AA, SMB	—
Operating Temperature - Junction	-55°C ~ 150°C	°C
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the SS26 Schottky diode is determined by the following critical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 60V minimum
Current - Average Rectified (Io): 2A minimum
Technology: Schottky
Package / Case: DO-214AA (SMB) or compatible surface mount package
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature Range: -55°C to 150°C minimum

Substitution Categories:

Parametric Equivalent: Parts with identical electrical specifications and packaging. SS26H qualifies as a parametric equivalent with matching voltage, current, and forward voltage ratings. The primary difference is packaging format (Tape & Reel vs. Cut Tape) and automotive qualification (AEC-Q101).

Direct Manufacturer Equivalent: SK26 from Good-Ark Semiconductor matches all critical electrical parameters (60V, 2A, 700mV forward voltage, fast recovery) in identical DO-214AA packaging. Minor variations in reverse leakage current (150µA vs. 400µA) and capacitance specification do not affect functional compatibility.

Similar Current Rating (2A): B260-13-F, B260Q-13-F, and B260A-13-F from Diodes Incorporated provide 60V/2A ratings with identical forward voltage and fast recovery characteristics. B260A-13-F uses SMA packaging (DO-214AC) instead of SMB, requiring PCB layout modification. B260Q-13-F includes automotive qualification (AEC-Q101).

Higher Current Rating (3A): B360B-E3/52T, B360B-E3/5BT, and B360BQ-13-F are rated for 3A at 60V, providing design margin for applications requiring higher current capacity. These parts are functionally compatible but represent over-specification for 2A applications.

Lower Current Rating (1A): B160BQ-13-F and CDBB160-HF are rated for 1A at 60V. These parts are suitable only for applications where the actual circuit current does not exceed 1A, representing under-specification for nominal 2A operation.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [mV]	Speed [ns]	Ir @ Vr [µA]	Package	Temp Range [°C]	AEC-Q101
SS26	Taiwan Semiconductor	60	2	700 @ 2A	≤ 500	400 @ 60V	DO-214AA (SMB)	-55 ~ 150	No
SS26H	Taiwan Semiconductor	60	2	700 @ 2A	≤ 500	400 @ 60V	DO-214AA (SMB)	-55 ~ 150	Yes
SK26	Good-Ark Semiconductor	60	2	700 @ 2A	≤ 500	150 @ 60V	DO-214AA (SMB)	-55 ~ 150	No
B160BQ-13-F	Diodes Incorporated	60	1	700 @ 1A	≤ 500	500 @ 60V	DO-214AA (SMB)	-65 ~ 150	Yes
B260-13-F	Diodes Incorporated	60	2	700 @ 2A	≤ 500	500 @ 60V	DO-214AA (SMB)	-65 ~ 150	No
B260A-13-F	Diodes Incorporated	60	2	700 @ 2A	≤ 500	500 @ 60V	DO-214AC (SMA)	-65 ~ 150	No
B260Q-13-F	Diodes Incorporated	60	2	700 @ 2A	≤ 500	500 @ 60V	DO-214AA (SMB)	-65 ~ 150	Yes
B360B-E3/52T	Vishay General Semiconductor	60	3	660 @ 3A	≤ 500	100 @ 60V	DO-214AA (SMB)	-55 ~ 150	No
B360B-E3/5BT	Vishay General Semiconductor	60	3	660 @ 3A	≤ 500	100 @ 60V	DO-214AA (SMB)	-55 ~ 150	No
B360BQ-13-F	Diodes Incorporated	60	3	700 @ 3A	≤ 500	500 @ 60V	DO-214AA (SMB)	-55 ~ 150	Yes
CDBB160-HF	Comchip Technology	60	1	700 @ 1A	≤ 500	500 @ 60V	DO-214AA (SMB)	-50 ~ 150	No

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

SS26H is the recommended parametric equivalent when automotive qualification is required. It maintains identical electrical performance (60V, 2A, 700mV forward voltage) and packaging while providing AEC-Q101 certification. Tape & Reel packaging is suitable for high-volume automated assembly.

SK26 from Good-Ark Semiconductor provides direct functional replacement in standard commercial applications. The reduced reverse leakage current (150µA vs. 400µA) represents improved performance characteristics. Cut Tape & Digi-Reel packaging supports both manual and automated assembly workflows.

For 2A Current Rating with Automotive Qualification:

B260Q-13-F from Diodes Incorporated is specified for automotive applications with AEC-Q101 qualification. It maintains 60V/2A ratings and DO-214AA packaging. Extended operating temperature range (-65°C to 150°C) provides additional thermal margin compared to the SS26.

For Applications Requiring Higher Current Capacity:

B360BQ-13-F (3A rating) and Vishay B360B series (3A rating) are suitable for designs requiring current margin above 2A nominal specification. These parts maintain 60V reverse voltage and fast recovery characteristics in identical DO-214AA packaging. B360BQ-13-F includes AEC-Q101 automotive qualification.

For Space-Constrained Designs:

B260A-13-F uses SMA packaging (DO-214AC) instead of SMB, providing a smaller footprint. This substitution requires PCB layout modification and is suitable only when package size reduction is a design requirement.

Not Recommended for Direct Replacement:

B160BQ-13-F and CDBB160-HF are rated for 1A maximum current and represent under-specification for applications designed for 2A operation. These parts are suitable only when circuit analysis confirms actual current does not exceed 1A.

B260A-13-F requires PCB redesign due to different package format (SMA vs. SMB) and should be selected only when package change is intentional.

Frequently Asked Questions (FAQ)

Q: Can SS26H be used as a direct replacement for SS26?

A: Yes. SS26H is a parametric equivalent with identical electrical specifications (60V, 2A, 700mV forward voltage, fast recovery ≤500ns). The primary differences are packaging format (Tape & Reel vs. Cut Tape) and automotive qualification (AEC-Q101). Both are suitable for identical circuit applications.

Q: What is the difference between B260-13-F and B260Q-13-F?

A: Both parts are rated for 60V/2A with identical forward voltage (700mV) and fast recovery characteristics. B260Q-13-F includes AEC-Q101 automotive qualification and Tape & Reel packaging, while B260-13-F is standard commercial grade with Cut Tape & Digi-Reel packaging. Electrical performance is equivalent.

Q: Can B360BQ-13-F replace SS26 in a 2A application?

A: Yes. B360BQ-13-F is rated for 3A at 60V, providing current margin above the 2A requirement. It maintains identical 60V reverse voltage, fast recovery characteristics, and DO-214AA packaging. The higher current rating does not affect circuit operation in 2A applications.

Q: Why is B160BQ-13-F listed as a substitute if it is only rated for 1A?

A: B160BQ-13-F is listed as a similar part for reference purposes. It is suitable only for applications where circuit analysis confirms actual current does not exceed 1A. It is not recommended for designs specified for 2A operation.

Q: What is the impact of using SK26 instead of SS26?

A: SK26 provides equivalent electrical performance with reduced reverse leakage current (150µA vs. 400µA at 60V), representing improved performance. Both parts are rated for 60V/2A with 700mV forward voltage and fast recovery. SK26 is suitable for direct replacement in all SS26 applications.

Q: Can B260A-13-F be used as a direct replacement?

A: B260A-13-F uses SMA packaging (DO-214AC) instead of SMB (DO-214AA). While electrical specifications are identical (60V, 2A, 700mV), the different package format requires PCB layout modification. This substitution is suitable only when package change is intentional.

Q: What is the significance of AEC-Q101 qualification?

A: AEC-Q101 is an automotive qualification standard. Parts with this certification (SS26H, B260Q-13-F, B360BQ-13-F, B160BQ-13-F) are qualified for automotive applications. Non-qualified parts (SS26, SK26, B260-13-F) are suitable for commercial and industrial applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All parts listed in this reference are RoHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for commercial and industrial applications.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) & Digi-Reel packaging is suitable for manual assembly and small-volume production. Tape & Reel (TR) packaging is optimized for high-volume automated assembly. Electrical specifications are identical; packaging selection depends on assembly process requirements.

Q: Can reverse leakage current variation affect circuit performance?

A: Reverse leakage current variation (150µA to 500µA at 60V) is within acceptable limits for most applications. Higher leakage current increases power dissipation in reverse bias conditions. For applications sensitive to leakage current, SK26 (150µA) or B360B series (100µA) provide lower leakage alternatives.

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