SS13L MHG Equivalent & Substitute Parts

Part Overview

The SS13L MHG is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 30 V DC reverse voltage and 1 A average rectified current in a Sub SMA surface mount package. This component is classified as Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified based on matching or exceeding the electrical and mechanical specifications of the original part, enabling direct replacement or functional substitution in circuit applications where the SS13L MHG may be unavailable or where alternative packaging or performance characteristics are required.

Key Parameters

Parameter	Value
Manufacturer Part Number	SS13L MHG
Manufacturer	Taiwan Semiconductor Corporation
Category	Diodes, Rectifiers
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	500 mV @ 1 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	400 µA @ 30 V
Package / Case	DO-219AB
Mounting Type	Surface Mount
Operating Temperature - Junction	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SS13L MHG are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalent (Direct Replacement): Parts that match all critical electrical parameters—30 V reverse voltage, 1 A average rectified current, 500 mV forward voltage at 1 A, fast recovery speed ≤ 500 ns, and DO-219AB package—with identical or lower reverse leakage current. These parts are interchangeable without circuit modification.

Similar Manufacturer Parts (Functional Substitutes): Parts that maintain the 30 V reverse voltage rating and DO-219AB package but differ in one or more of the following parameters: average rectified current (1 A to 2 A or 1.1 A), forward voltage characteristics, reverse leakage current, or operating temperature range. These parts are suitable for applications where the specified parameter variation does not compromise circuit performance.

Key Parameters Determining Substitution:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 30 V
Current - Average Rectified (Io): Must equal or exceed 1 A
Package / Case: Must be DO-219AB
Mounting Type: Must be Surface Mount
Technology: Must be Schottky
Speed: Must be Fast Recovery ≤ 500 ns, > 200 mA (Io)

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Reverse Leakage @ Vr	Package	Operating Temp (Junction)	Packaging Type
SS13L MHG	Taiwan Semiconductor Corporation	30 V	1 A	500 mV @ 1 A	400 µA @ 30 V	DO-219AB	-55°C ~ 125°C	Sub SMA
SS13L RVG	Taiwan Semiconductor Corporation	30 V	1 A	500 mV @ 1 A	400 µA @ 30 V	DO-219AB	-55°C ~ 125°C	Cut Tape (CT)
SL03-GS18	Vishay General Semiconductor - Diodes Division	30 V	1.1 A	430 mV @ 1.1 A	130 µA @ 30 V	DO-219AB	-55°C ~ 125°C	Tape & Reel (TR)
SS1FL3-M3/H	Vishay General Semiconductor - Diodes Division	30 V	1 A	480 mV @ 1 A	200 µA @ 30 V	DO-219AB	-55°C ~ 150°C	Cut Tape (CT) & Digi-Reel®
SS1FL3HM3/H	Vishay General Semiconductor - Diodes Division	30 V	1 A	480 mV @ 1 A	200 µA @ 30 V	DO-219AB	-55°C ~ 150°C	Tape & Reel (TR)
SS2FL3-M3/H	Vishay General Semiconductor - Diodes Division	30 V	2 A	540 mV @ 2 A	200 µA @ 30 V	DO-219AB	-55°C ~ 150°C	Tape & Reel (TR)
SS2FL3HM3/H	Vishay General Semiconductor - Diodes Division	30 V	2 A	540 mV @ 2 A	200 µA @ 30 V	DO-219AB	-55°C ~ 150°C	Tape & Reel (TR)

Engineering Selection Recommendations

SS13L RVG (Parametric Equivalent): This part is the direct parametric equivalent to SS13L MHG, with identical electrical specifications and operating temperature range. The only difference is packaging format (Cut Tape versus Sub SMA). Both parts are ROHS3 compliant, MSL 1, and manufactured by Taiwan Semiconductor Corporation. Selection of SS13L RVG is appropriate when Cut Tape packaging is acceptable for assembly processes.

SS1FL3-M3/H and SS1FL3HM3/H (1 A Rated, Extended Temperature): These Vishay eSMP® series parts maintain the 30 V reverse voltage and 1 A current rating with improved forward voltage characteristics (480 mV versus 500 mV at 1 A) and lower reverse leakage current (200 µA versus 400 µA at 30 V). Operating temperature range extends to 150°C maximum junction temperature. SS1FL3HM3/H includes AEC-Q101 automotive qualification. Both are ROHS3 compliant and suitable for applications requiring enhanced thermal performance or automotive-grade reliability.

SL03-GS18 (1.1 A Rated, Vishay eSMP®): This part provides 1.1 A average rectified current with superior forward voltage (430 mV at 1.1 A) and significantly lower reverse leakage current (130 µA at 30 V). The 30 V reverse voltage rating and DO-219AB package ensure mechanical compatibility. Selection is appropriate for applications where higher current capacity or improved leakage characteristics provide circuit margin.

SS2FL3-M3/H and SS2FL3HM3/H (2 A Rated, Extended Temperature): These parts are rated for 2 A average rectified current, providing double the current capacity of the SS13L MHG. Forward voltage is 540 mV at 2 A, and reverse leakage is 200 µA at 30 V. Operating temperature extends to 150°C. SS2FL3HM3/H includes AEC-Q101 automotive qualification. Selection is appropriate for applications requiring higher current handling or where thermal margin is critical.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and DO-219AB package compatibility. Selection among substitutes depends on specific application requirements for current capacity, forward voltage drop, reverse leakage, operating temperature range, and automotive qualification status.

Frequently Asked Questions (FAQ)

Q: Can SS13L RVG be used as a direct replacement for SS13L MHG?

A: Yes. SS13L RVG is a parametric equivalent with identical electrical specifications: 30 V reverse voltage, 1 A average rectified current, 500 mV forward voltage at 1 A, and -55°C to 125°C operating temperature range. The difference is packaging format (Cut Tape versus Sub SMA). Both are manufactured by Taiwan Semiconductor Corporation and are ROHS3 compliant.

Q: What is the difference between SS1FL3-M3/H and SS1FL3HM3/H?

A: Both parts have identical electrical specifications: 30 V reverse voltage, 1 A average rectified current, 480 mV forward voltage at 1 A, and -55°C to 150°C operating temperature range. The primary difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) and qualification status. SS1FL3HM3/H includes AEC-Q101 automotive qualification, making it suitable for automotive applications.

Q: Can I use SS2FL3-M3/H or SS2FL3HM3/H in place of SS13L MHG?

A: Yes, with circuit verification. Both parts maintain the 30 V reverse voltage rating and DO-219AB package. However, they are rated for 2 A average rectified current (double the SS13L MHG rating) and have higher forward voltage (540 mV at 2 A versus 500 mV at 1 A). These parts are suitable for applications where higher current capacity is beneficial or where the circuit can tolerate the increased forward voltage drop.

Q: What are the advantages of SL03-GS18 over SS13L MHG?

A: SL03-GS18 maintains the 30 V reverse voltage and DO-219AB package but offers 1.1 A average rectified current, lower forward voltage (430 mV at 1.1 A versus 500 mV at 1 A), and significantly lower reverse leakage current (130 µA at 30 V versus 400 µA at 30 V). These characteristics provide improved efficiency and reduced leakage in power conversion applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed—SS13L RVG, SL03-GS18, SS1FL3-M3/H, SS1FL3HM3/H, SS2FL3-M3/H, and SS2FL3HM3/H—are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level.

Q: Which substitute part is suitable for automotive applications?

A: SS1FL3HM3/H and SS2FL3HM3/H are qualified to AEC-Q101 automotive standard. SS1FL3HM3/H is rated for 1 A current, while SS2FL3HM3/H is rated for 2 A current. Both have -55°C to 150°C operating temperature range and are suitable for automotive-grade reliability requirements.

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

A: Cut Tape (CT) and Tape & Reel (TR) are different packaging and delivery formats for surface mount components. Cut Tape is supplied in individual strips, while Tape & Reel is supplied on continuous reels for automated assembly. Both formats contain the same component; the choice depends on assembly process requirements and volume.

Q: Can I substitute a higher-rated current part (2 A) for a 1 A application?

A: Yes. A higher-rated current part (SS2FL3-M3/H or SS2FL3HM3/H at 2 A) can be used in a 1 A application because it maintains the same 30 V reverse voltage rating and DO-219AB package. The circuit will operate within the part's specifications. However, forward voltage will be higher (540 mV at 2 A versus 500 mV at 1 A), which may affect power dissipation calculations.

Q: What is the operating temperature range difference between SS13L MHG and Vishay eSMP® parts?

A: SS13L MHG operates from -55°C to 125°C junction temperature. Vishay eSMP® series parts (SS1FL3, SS2FL3, and SL03) operate from -55°C to 150°C junction temperature, providing 25°C additional thermal margin. This extended range is beneficial for high-temperature applications or where thermal stress is a concern.

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