SS13L RHG Equivalent & Substitute Parts

Part Overview

The SS13L RHG 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 specifications and mechanical compatibility within the DO-219AB package family, enabling design flexibility and supply chain continuity for Schottky diode applications requiring fast recovery characteristics.

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	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the SS13L RHG is determined by the following critical parameters:

Mandatory Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 30 V minimum
Package / Case: DO-219AB (Sub SMA / SMF variants)
Mounting Type: Surface Mount
Technology: Schottky
RoHS Status: ROHS3 Compliant

Allowable Variation Criteria:

Current - Average Rectified (Io): Equal to or greater than 1 A
Voltage - Forward (Vf) (Max) @ If: Equal to or less than 500 mV at rated current
Current - Reverse Leakage @ Vr: Equal to or less than 400 µA @ 30 V
Operating Temperature - Junction: Must encompass or exceed -55°C to 125°C range
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Substitute parts are grouped into two categories: Parametric Equivalents (identical electrical specifications and packaging) and Similar Parts (compatible electrical performance with enhanced or equivalent ratings).

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [mV]	Reverse Leakage [µA @ 30V]	Tj Range [°C]	Package	Packaging Type
SS13L RHG	Taiwan Semiconductor Corporation	30	1	500 @ 1A	400	-55 to 125	DO-219AB	Sub SMA
SS13L RVG	Taiwan Semiconductor Corporation	30	1	500 @ 1A	400	-55 to 125	DO-219AB	Sub SMA
SL03-GS18	Vishay General Semiconductor - Diodes Division	30	1.1	430 @ 1.1A	130	-55 to 125	DO-219AB	DO-219AB (SMF)
SS1FL3-M3/H	Vishay General Semiconductor - Diodes Division	30	1	480 @ 1A	200	-55 to 150	DO-219AB	DO-219AB (SMF)
SS1FL3HM3/H	Vishay General Semiconductor - Diodes Division	30	1	480 @ 1A	200	-55 to 150	DO-219AB	DO-219AB (SMF)
SS2FL3-M3/H	Vishay General Semiconductor - Diodes Division	30	2	540 @ 2A	200	-55 to 150	DO-219AB	DO-219AB (SMF)
SS2FL3HM3/H	Vishay General Semiconductor - Diodes Division	30	2	540 @ 2A	200	-55 to 150	DO-219AB	DO-219AB (SMF)

Engineering Selection Recommendations

Parametric Equivalent: SS13L RVG is a direct parametric equivalent to SS13L RHG, manufactured by Taiwan Semiconductor Corporation with identical electrical specifications and operating characteristics. The only difference is packaging format (Cut Tape versus the original specification). Both parts maintain ROHS3 compliance and are suitable for direct substitution in applications requiring 30 V, 1 A Schottky rectification.

Compatible Substitutes - 1 A Current Rating: SS1FL3-M3/H and SS1FL3HM3/H are manufactured by Vishay General Semiconductor - Diodes Division and provide equivalent 1 A current rating with improved forward voltage characteristics (480 mV versus 500 mV) and lower reverse leakage (200 µA versus 400 µA). Both maintain 30 V reverse voltage rating and DO-219AB package compatibility. SS1FL3HM3/H includes AEC-Q101 automotive qualification and extended temperature range to 150°C. Both are ROHS3 compliant.

Compatible Substitutes - Enhanced Current Rating: SS2FL3-M3/H and SS2FL3HM3/H provide 2 A current rating in the same DO-219AB package, suitable for applications requiring higher current capacity while maintaining 30 V reverse voltage specification. SS2FL3HM3/H includes AEC-Q101 automotive qualification. Both are ROHS3 compliant with extended temperature range to 150°C.

Compatible Substitute - Alternative Manufacturer: SL03-GS18 manufactured by Vishay General Semiconductor - Diodes Division offers 1.1 A current rating with superior forward voltage (430 mV) and significantly lower reverse leakage (130 µA). Maintains 30 V reverse voltage and DO-219AB package compatibility. ROHS3 compliant. Operating temperature range -55°C to 125°C matches the original specification.

All substitute parts maintain Schottky technology, fast recovery characteristics, and surface mount configuration required for direct board-level compatibility.

Frequently Asked Questions (FAQ)

Q: Can SS13L RVG be used as a direct replacement for SS13L RHG? A: Yes. SS13L RVG is a parametric equivalent manufactured by Taiwan Semiconductor Corporation with identical electrical specifications (30 V, 1 A, 500 mV forward voltage, 400 µA reverse leakage) and operating temperature range (-55°C to 125°C). The difference is packaging format (Cut Tape versus Sub SMA). Both are ROHS3 compliant and suitable for direct substitution.

Q: What is the difference between the Vishay eSMP® series parts and the Taiwan Semiconductor Corporation SS13L parts? A: Vishay eSMP® series parts (SS1FL3, SS2FL3, SL03) offer improved electrical characteristics including lower forward voltage and reverse leakage compared to the SS13L RHG. All maintain 30 V reverse voltage and DO-219AB package compatibility. Vishay parts provide extended temperature range to 150°C and some variants include AEC-Q101 automotive qualification. All are ROHS3 compliant.

Q: Can I use SS2FL3-M3/H or SS2FL3HM3/H as substitutes if my application only requires 1 A? A: Yes. SS2FL3-M3/H and SS2FL3HM3/H are rated for 2 A and are fully compatible with applications requiring 1 A operation. The higher current rating provides design margin and does not negatively impact performance at lower current levels. Both maintain 30 V reverse voltage, DO-219AB package compatibility, and ROHS3 compliance.

Q: Are there automotive-qualified alternatives to SS13L RHG? A: Yes. SS1FL3HM3/H and SS2FL3HM3/H are both qualified to AEC-Q101 automotive standard. SS1FL3HM3/H provides 1 A rating with improved forward voltage (480 mV) and lower reverse leakage (200 µA). SS2FL3HM3/H provides 2 A rating. Both maintain 30 V reverse voltage, DO-219AB package compatibility, and extended temperature range to 150°C.

Q: What is the significance of the DO-219AB package designation? A: DO-219AB is the standardized package designation for Sub SMA and SMF surface mount Schottky diodes. All substitute parts listed use this package, ensuring mechanical and electrical compatibility with PCB footprints designed for SS13L RHG. Packaging format variations (Cut Tape, Tape & Reel, Digi-Reel) do not affect board-level compatibility.

Q: How do forward voltage differences affect circuit performance? A: Forward voltage (Vf) differences between substitute parts are within acceptable engineering tolerance for rectifier applications. SS13L RHG specifies 500 mV maximum at 1 A. Substitute parts with lower Vf (such as SL03-GS18 at 430 mV or SS1FL3 variants at 480 mV) result in reduced power dissipation and improved efficiency. These differences do not require circuit redesign for standard rectification applications.

Q: What does ROHS3 compliance mean for these parts? A: ROHS3 compliance indicates conformance to Restriction of Hazardous Substances Directive 3, restricting the use of specified hazardous materials including lead, cadmium, and mercury. All listed substitute parts maintain ROHS3 compliance, ensuring compatibility with environmental and regulatory requirements for electronic component procurement.

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