SSL23H Schottky Diode 30V 2A Equivalent & Substitute Parts

Part Overview

The SSL23H is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 30V reverse voltage and 2A average rectified current in a DO-214AA (SMB) surface mount package. This component is classified as Active product status and carries AEC-Q101 automotive qualification. Equivalent and substitute parts are identified based on matching or exceeding the electrical specifications and package compatibility of the SSL23H, enabling design flexibility and supply chain alternatives.

Key Parameters

Parameter	SSL23H Specification
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io)	2 A
Voltage - Forward (Vf) (Max) @ If	410 mV @ 2 A
Current - Reverse Leakage @ Vr	400 µA @ 30 V
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Package / Case	DO-214AA, SMB
Operating Temperature - Junction	-55°C ~ 125°C
Grade	Automotive
Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SSL23H is determined by the following critical parameters:

Mandatory Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 30 V minimum
Current - Average Rectified (Io): 2 A minimum
Package / Case: DO-214AA (SMB) or compatible surface mount package
Technology: Schottky diode
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Acceptable Variation Criteria:

Voltage - Forward (Vf) (Max) @ If: May exceed 410 mV @ 2 A
Current - Reverse Leakage @ Vr: May be lower or equal to 400 µA @ 30 V
Operating Temperature - Junction: May exceed -55°C ~ 125°C range
Grade and Qualification: Automotive grade and AEC-Q101 qualification preferred but not mandatory for non-automotive applications

Substitute parts are grouped into two categories: Direct Equivalents (matching all electrical and package specifications) and Functional Alternatives (meeting or exceeding electrical requirements with compatible packaging).

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (A)	Vf (Max) @ If	Ir @ Vr	Package	Temp Range	Status	Grade
SSL23H	Taiwan Semiconductor Corporation	30 V	2 A	410 mV @ 2 A	400 µA @ 30 V	DO-214AA (SMB)	-55°C ~ 125°C	Active	Automotive
B230-13-F	Diodes Incorporated	30 V	2 A	500 mV @ 2 A	500 µA @ 30 V	DO-214AA (SMB)	-65°C ~ 150°C	Active	General Purpose
B230A-13-F	Diodes Incorporated	30 V	2 A	500 mV @ 2 A	500 µA @ 30 V	DO-214AC (SMA)	-65°C ~ 150°C	Active	General Purpose
B330B-13-F	Diodes Incorporated	30 V	3 A	500 mV @ 3 A	500 µA @ 30 V	DO-214AA (SMB)	-55°C ~ 150°C	Active	Automotive
SK13-LTP	Micro Commercial Co	30 V	1 A	500 mV @ 1 A	500 µA @ 30 V	DO-214AA (SMB)	-55°C ~ 125°C	Not For New Designs	General Purpose
SK33B-LTP	Micro Commercial Co	30 V	3 A	500 mV @ 3 A	500 µA @ 30 V	DO-214AA (SMB)	-55°C ~ 150°C	Not For New Designs	General Purpose
SK43BL-TP	Micro Commercial Co	30 V	4 A	450 mV @ 4 A	500 µA @ 30 V	DO-214AA (SMB)	-55°C ~ 150°C	Not For New Designs	General Purpose
SS23	Taiwan Semiconductor Corporation	30 V	2 A	500 mV @ 2 A	400 µA @ 30 V	DO-214AA (SMB)	-55°C ~ 125°C	Active	General Purpose
SS23-E3/52T	Vishay General Semiconductor - Diodes Division	30 V	2 A	500 mV @ 2 A	400 µA @ 30 V	DO-214AA (SMB)	-65°C ~ 125°C	Active	General Purpose
SS23S-E3/61T	Vishay General Semiconductor - Diodes Division	30 V	2 A	550 mV @ 2 A	200 µA @ 30 V	DO-214AA (SMB)	-55°C ~ 150°C	Active	General Purpose
SSB43L-E3/52T	Vishay General Semiconductor - Diodes Division	30 V	4 A	450 mV @ 4 A	600 µA @ 30 V	DO-214AA (SMB)	-65°C ~ 150°C	Active	General Purpose

Engineering Selection Recommendations

Direct Equivalents (Identical Electrical and Package Specifications):

The SS23 (Taiwan Semiconductor Corporation) and SS23-E3/52T (Vishay General Semiconductor - Diodes Division) are direct functional equivalents to the SSL23H. Both parts maintain 30V reverse voltage, 2A average rectified current, and DO-214AA (SMB) packaging. The SS23 is Active product status with identical temperature range (-55°C ~ 125°C). The SS23-E3/52T extends the operating temperature range to -65°C ~ 125°C and is also Active product status. Both are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating.

Automotive-Grade Alternatives:

The B330B-13-F (Diodes Incorporated) is an automotive-grade substitute with AEC-Q101 qualification matching the SSL23H. This part exceeds the current rating at 3A (versus 2A) while maintaining 30V reverse voltage and DO-214AA (SMB) packaging. Operating temperature range extends to -55°C ~ 150°C. Forward voltage is 500 mV @ 3 A, which is acceptable for applications where the SSL23H's 410 mV @ 2 A specification is not a critical constraint.

General-Purpose Alternatives with Extended Temperature Range:

The SS23S-E3/61T (Vishay General Semiconductor - Diodes Division) provides extended operating temperature range (-55°C ~ 150°C) with identical 30V/2A electrical specifications and DO-214AA (SMB) packaging. Forward voltage is 550 mV @ 2 A with reduced reverse leakage current (200 µA @ 30 V). This part is suitable for applications requiring wider temperature operation.

Higher Current Capacity Alternatives:

The SK43BL-TP (Micro Commercial Co) and SSB43L-E3/52T (Vishay General Semiconductor - Diodes Division) provide 4A current capacity in DO-214AA (SMB) packaging at 30V reverse voltage. These parts are suitable for designs requiring current margin above the 2A SSL23H specification. The SSB43L-E3/52T is Active product status with extended temperature range (-65°C ~ 150°C).

Parts Not Recommended for New Designs:

SK13-LTP, SK33B-LTP, and SK43BL-TP (all Micro Commercial Co) carry "Not For New Designs" product status and should not be selected for new circuit development.

Package Compatibility Note:

The B230A-13-F uses DO-214AC (SMA) packaging instead of DO-214AA (SMB). This part is not a direct substitute due to different package footprint and is suitable only for designs with SMA package compatibility.

Frequently Asked Questions (FAQ)

Q: Can the SSL23H be replaced with the B230-13-F?

A: Yes. The B230-13-F meets the mandatory substitution criteria: 30V reverse voltage, 2A average rectified current, and DO-214AA (SMB) packaging. Forward voltage is 500 mV @ 2 A (versus 410 mV @ 2 A for SSL23H), which is acceptable for most applications. Operating temperature range extends to -65°C ~ 150°C. The B230-13-F is Active product status and ROHS3 compliant.

Q: What is the difference between SS23 and SS23-E3/52T?

A: Both parts are functionally equivalent 30V/2A Schottky diodes in DO-214AA (SMB) packaging from Vishay. The SS23-E3/52T extends the operating temperature range to -65°C ~ 125°C (versus -55°C ~ 125°C for SS23). The SS23-E3/52T is supplied in Cut Tape (CT) & Digi-Reel® packaging, while SS23 is supplied in Tape & Reel (TR). Both are Active product status.

Q: Can I use a 3A or 4A rated diode in place of the SSL23H 2A diode?

A: Yes. The B330B-13-F (3A) and SSB43L-E3/52T (4A) both maintain 30V reverse voltage and DO-214AA (SMB) packaging. Higher current ratings provide design margin and are electrically compatible with circuits designed for 2A operation. The B330B-13-F carries automotive AEC-Q101 qualification matching the SSL23H.

Q: Is the B230A-13-F a suitable replacement for the SSL23H?

A: The B230A-13-F is not a direct substitute. Although it matches the 30V/2A electrical specifications, it uses DO-214AC (SMA) packaging instead of DO-214AA (SMB). SMA and SMB packages have different footprints and are not interchangeable on printed circuit boards. The B230A-13-F is suitable only for designs with SMA package compatibility.

Q: Why should I avoid SK13-LTP, SK33B-LTP, and SK43BL-TP?

A: These parts from Micro Commercial Co carry "Not For New Designs" product status. This designation indicates the manufacturer has discontinued active support for new applications. While existing inventory may be available, these parts should not be selected for new circuit development. Active alternatives from Diodes Incorporated and Vishay are recommended.

Q: What is the forward voltage difference between SSL23H and its substitutes?

A: The SSL23H specifies 410 mV @ 2 A forward voltage. Most substitutes (B230-13-F, B330B-13-F, SK33B-LTP, SS23, SS23-E3/52T) specify 500 mV @ 2 A or higher. The SS23S-E3/61T specifies 550 mV @ 2 A. The SK43BL-TP and SSB43L-E3/52T specify 450 mV @ 4 A. Higher forward voltage results in increased power dissipation and heat generation. Applications with tight thermal budgets should account for this difference.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the SSL23H compliance profile.

Q: Which substitute offers the widest operating temperature range?

A: The B330B-13-F, SK33B-LTP, SK43BL-TP, SS23S-E3/61T, and SSB43L-E3/52T all support -55°C ~ 150°C operating temperature range, extending 25°C above the SSL23H specification of -55°C ~ 125°C. The B230-13-F, B230A-13-F, and SS23-E3/52T extend the lower temperature limit to -65°C.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging?

A: Tape & Reel (TR) packaging supplies components on continuous tape in reel format, suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® packaging supplies components on tape cut to specific lengths or in alternative reel formats. Both formats contain identical components; the difference is in supply and handling format. Selection depends on assembly equipment compatibility and order quantity requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message