SS13LHM2G Equivalent & Substitute Parts

Part Overview

The SS13LHM2G 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 with AEC-Q101 automotive qualification and ROHS3 compliance. Equivalent and substitute parts are identified based on matching or superior electrical performance within the same package family, enabling direct replacement or design flexibility in applications requiring fast recovery Schottky diodes.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	30	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	500 mV @ 1 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	400	µA @ 30 V
Package / Case	DO-219AB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 125	°C
Technology	Schottky	—
Grade	Automotive	—
Qualification	AEC-Q101	—

Substitute Part Grouping Explanation

Substitute parts for the SS13LHM2G are grouped into two categories based on electrical parameter compatibility:

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

Similar Parts (Design Flexibility): Parts sharing the same 30 V reverse voltage rating and DO-219AB package but with variations in current rating (1.1 A or 2 A), forward voltage characteristics, or reverse leakage current. These parts are suitable for applications where higher current capacity or improved performance characteristics are acceptable.

Substitution eligibility is determined by:

Voltage - DC Reverse (Vr) (Max): 30 V minimum
Package / Case: DO-219AB
Mounting Type: Surface Mount
Technology: Schottky
Speed: Fast Recovery ≤ 500 ns

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (A)	Vf (Max) @ If	Reverse Leakage @ Vr	Package	Temp Range	Grade	AEC-Q101
SS13LHM2G	Taiwan Semiconductor Corporation	30 V	1	500 mV @ 1 A	400 µA @ 30 V	DO-219AB	-55 to 125°C	Automotive	Yes
SS13L RVG	Taiwan Semiconductor Corporation	30 V	1	500 mV @ 1 A	400 µA @ 30 V	DO-219AB	-55 to 125°C	—	—
SL03-GS18	Vishay General Semiconductor - Diodes Division	30 V	1.1	430 mV @ 1.1 A	130 µA @ 30 V	DO-219AB	—	—	—
SS1FL3-M3/H	Vishay General Semiconductor - Diodes Division	30 V	1	480 mV @ 1 A	200 µA @ 30 V	DO-219AB	-55 to 150°C	—	—
SS1FL3HM3/H	Vishay General Semiconductor - Diodes Division	30 V	1	480 mV @ 1 A	200 µA @ 30 V	DO-219AB	-55 to 150°C	Automotive	Yes
SS2FL3-M3/H	Vishay General Semiconductor - Diodes Division	30 V	2	540 mV @ 2 A	200 µA @ 30 V	DO-219AB	-55 to 150°C	—	—
SS2FL3HM3/H	Vishay General Semiconductor - Diodes Division	30 V	2	540 mV @ 2 A	200 µA @ 30 V	DO-219AB	-55 to 150°C	Automotive	Yes

Engineering Selection Recommendations

Direct Replacement (Parametric Equivalent): SS13L RVG is the parametric equivalent to SS13LHM2G, offering identical electrical specifications. Both parts are Active status products with matching 30 V reverse voltage, 1 A current rating, and 500 mV forward voltage drop. SS13L RVG is supplied in Cut Tape packaging with higher inventory availability (1250 Pcs vs. 840 Pcs).

Automotive-Qualified Alternatives: SS1FL3HM3/H and SS2FL3HM3/H are both AEC-Q101 qualified automotive-grade parts from Vishay General Semiconductor - Diodes Division. SS1FL3HM3/H maintains the 1 A current rating with improved forward voltage characteristics (480 mV vs. 500 mV) and extended temperature range (-55 to 150°C). SS2FL3HM3/H provides 2 A current capacity for applications requiring higher current handling.

Non-Automotive Alternatives: SS1FL3-M3/H and SS2FL3-M3/H are functionally equivalent Vishay parts without automotive qualification. These parts are suitable for non-automotive applications where AEC-Q101 certification is not required.

Higher Current Capacity: SL03-GS18 (Vishay eSMP® series) provides 1.1 A current rating with superior reverse leakage characteristics (130 µA vs. 400 µA) and improved forward voltage (430 mV vs. 500 mV). This part is suitable for applications where enhanced performance margins are beneficial.

Frequently Asked Questions (FAQ)

Q: Can SS13L RVG be used as a direct replacement for SS13LHM2G? 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 drop at 1 A, and DO-219AB package. The primary difference is packaging format (Cut Tape vs. original packaging).

Q: What is the difference between SS1FL3HM3/H and SS1FL3-M3/H? A: Both parts share identical electrical specifications (30 V, 1 A, 480 mV forward voltage). SS1FL3HM3/H includes automotive-grade classification and AEC-Q101 qualification, while SS1FL3-M3/H is a standard industrial-grade part. Packaging differs: SS1FL3HM3/H is supplied in Tape & Reel format, while SS1FL3-M3/H is supplied in Cut Tape & Digi-Reel format.

Q: Can I use SS2FL3HM3/H (2 A) in place of SS13LHM2G (1 A)? A: Yes, from an electrical compatibility standpoint. SS2FL3HM3/H maintains the same 30 V reverse voltage and DO-219AB package. The 2 A current rating is a higher capacity specification, making it suitable for applications where the original 1 A rating is insufficient. Forward voltage increases to 540 mV at 2 A due to higher current operation.

Q: What are the key parameters that determine substitution compatibility? A: Substitution compatibility is determined by: (1) Voltage - DC Reverse (Vr) rating of 30 V minimum, (2) DO-219AB package format, (3) Surface mount mounting type, (4) Schottky technology, and (5) Fast recovery speed ≤ 500 ns. Current rating, forward voltage, and reverse leakage may vary within acceptable design margins.

Q: Is SL03-GS18 a suitable replacement for automotive applications? A: SL03-GS18 is not AEC-Q101 qualified and lacks automotive-grade designation. For automotive applications requiring AEC-Q101 certification, use SS1FL3HM3/H or SS2FL3HM3/H instead.

Q: What is the temperature operating range difference between SS13LHM2G and SS1FL3HM3/H? A: SS13LHM2G operates from -55°C to 125°C junction temperature. SS1FL3HM3/H extends the upper limit to 150°C, providing a 25°C higher maximum operating temperature. Both parts maintain the same -55°C minimum temperature.

Q: Can I substitute based on forward voltage alone? A: No. Forward voltage is one parameter among several critical specifications. Substitution requires matching or exceeding the 30 V reverse voltage rating, maintaining the DO-219AB package, and ensuring the current rating meets or exceeds application requirements. Forward voltage variations within the specified range are acceptable.

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