SS23L RTG Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS23L RTG is a 30V, 2A Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, designed for surface mount applications in the DO-219AB (Sub SMA) package. This component is classified as a fast recovery Schottky diode with a maximum forward voltage of 500 mV at 2A and operates across a junction temperature range of -55°C to 150°C. The part maintains Active product status and carries ROHS3 compliance with unlimited moisture sensitivity rating (MSL 1).

Equivalent and substitute parts are identified to address component availability, supply chain continuity, and application-specific requirements while maintaining electrical and mechanical compatibility within the Schottky diode rectifier category.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	30	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	500 mV @ 2 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 150	°C
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the SS23L RTG are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 30V (all substitutes match)
Package / Case: DO-219AB (all substitutes match)
Mounting Type: Surface Mount (all substitutes match)
Technology: Schottky (all substitutes match)
Speed: Fast Recovery ≤ 500ns, > 200mA (Io) (all substitutes match)
RoHS Status: ROHS3 Compliant (all substitutes match)

Current Rating Grouping: Substitutes are organized by average rectified current (Io) rating:

2A Current Rating (Direct Equivalents): SS2FL3HM3/H, SS2FL3-M3/H
1A Current Rating (Reduced Current Substitutes): SS1FL3-M3/H, SS1FL3HM3/H
1.1A Current Rating (Reduced Current Substitute): SL03-GS18

The SS23L RTG operates at 2A; substitutes rated at 1A or 1.1A are suitable only for applications where the circuit current requirement does not exceed the substitute part's current rating.

Parameter Comparison

Parameter	SS23L RTG	SS2FL3HM3/H	SS2FL3-M3/H	SS1FL3HM3/H	SS1FL3-M3/H	SL03-GS18
Manufacturer	Taiwan Semiconductor Corporation	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	30 V	30 V	30 V	30 V	30 V	30 V
Current - Average Rectified (Io)	2 A	2 A	2 A	1 A	1 A	1.1 A
Voltage - Forward (Vf) (Max) @ If	500 mV @ 2 A	540 mV @ 2 A	540 mV @ 2 A	480 mV @ 1 A	480 mV @ 1 A	430 mV @ 1.1 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	400 µA @ 30 V	200 µA @ 30 V	200 µA @ 30 V	200 µA @ 30 V	200 µA @ 30 V	130 µA @ 30 V
Package / Case	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C	125 °C (Max)
Technology	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Current Rating Equivalents (2A):

The SS2FL3HM3/H and SS2FL3-M3/H are manufactured by Vishay General Semiconductor and provide electrical equivalence to the SS23L RTG at the 2A current rating. Both parts maintain the 30V reverse voltage specification, DO-219AB package, and fast recovery Schottky technology. The SS2FL3HM3/H carries AEC-Q101 automotive qualification and is supplied on Tape & Reel (TR) packaging. The SS2FL3-M3/H is supplied on Tape & Reel (TR) packaging without automotive qualification. Both parts exhibit forward voltage of 540 mV at 2A, which is 40 mV higher than the SS23L RTG specification of 500 mV at 2A. Both maintain the full -55°C to 150°C operating temperature range and ROHS3 compliance.

Reduced Current Rating Substitutes (1A):

The SS1FL3HM3/H and SS1FL3-M3/H are suitable for applications where circuit current does not exceed 1A. The SS1FL3HM3/H carries AEC-Q101 automotive qualification and is supplied on Tape & Reel (TR) packaging. The SS1FL3-M3/H is supplied on Cut Tape (CT) & Digi-Reel® packaging without automotive qualification. Both maintain 30V reverse voltage, DO-219AB package, and -55°C to 150°C operating temperature range. Forward voltage is 480 mV at 1A. Reverse leakage current is 200 µA at 30V.

Reduced Current Rating Substitute (1.1A):

The SL03-GS18 manufactured by Vishay General Semiconductor operates at 1.1A and is suitable for applications where circuit current does not exceed 1.1A. This part is supplied on Tape & Reel (TR) packaging and maintains 30V reverse voltage and DO-219AB package specifications. The operating temperature range is limited to a maximum of 125°C, which is narrower than the SS23L RTG specification of -55°C to 150°C. Forward voltage is 430 mV at 1.1A, and reverse leakage current is 130 µA at 30V.

All substitute parts maintain Active product status, ROHS3 compliance, and Schottky technology with fast recovery characteristics.

Frequently Asked Questions (FAQ)

Q: Can the SS2FL3HM3/H or SS2FL3-M3/H be used as direct replacements for the SS23L RTG?

A: Yes. Both parts match the 2A current rating, 30V reverse voltage specification, DO-219AB package, and fast recovery Schottky technology of the SS23L RTG. Both maintain ROHS3 compliance and the full -55°C to 150°C operating temperature range. The forward voltage specification differs by 40 mV (540 mV versus 500 mV at 2A), which must be evaluated within the circuit design parameters.

Q: What is the difference between SS2FL3HM3/H and SS2FL3-M3/H?

A: Both parts are electrically identical 2A Schottky diodes with 30V reverse voltage rating and DO-219AB packaging. The SS2FL3HM3/H carries AEC-Q101 automotive qualification and is supplied on Tape & Reel (TR). The SS2FL3-M3/H is supplied on Tape & Reel (TR) without automotive qualification. Selection depends on application requirements for automotive-grade components.

Q: Can 1A-rated parts (SS1FL3HM3/H or SS1FL3-M3/H) replace the 2A-rated SS23L RTG?

A: These parts are suitable only for applications where the circuit current requirement does not exceed 1A. The SS23L RTG is rated for 2A operation; substitution with 1A-rated parts is not appropriate for circuits requiring 2A current capacity.

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

A: Both parts are electrically identical 1A Schottky diodes with 30V reverse voltage rating and DO-219AB packaging. The SS1FL3HM3/H carries AEC-Q101 automotive qualification and is supplied on Tape & Reel (TR). The SS1FL3-M3/H is supplied on Cut Tape (CT) & Digi-Reel® packaging without automotive qualification. Selection depends on application requirements and packaging preferences.

Q: Is the SL03-GS18 a suitable substitute for the SS23L RTG?

A: The SL03-GS18 is suitable only for applications where circuit current does not exceed 1.1A. This part operates at 1.1A, which is below the SS23L RTG 2A rating. Additionally, the SL03-GS18 operating temperature range is limited to a maximum of 125°C, compared to the SS23L RTG specification of -55°C to 150°C. Substitution is appropriate only when both current and temperature requirements are within the SL03-GS18 specifications.

Q: Do all substitute parts use the same DO-219AB package as the SS23L RTG?

A: Yes. All substitute parts listed use the DO-219AB package (also designated as Sub SMA or SMF depending on supplier nomenclature) and are compatible with surface mount assembly processes designed for the SS23L RTG.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts carry ROHS3 compliance certification, matching the environmental compliance status of the SS23L RTG.

Q: What is the significance of the forward voltage difference between the SS23L RTG and substitute parts?

A: The SS23L RTG specifies 500 mV forward voltage at 2A. The 2A-rated substitutes (SS2FL3HM3/H and SS2FL3-M3/H) specify 540 mV at 2A. This 40 mV difference must be evaluated within the circuit design to ensure voltage drop specifications are maintained and circuit performance is not compromised.

Q: Which substitute parts carry automotive qualification?

A: The SS2FL3HM3/H and SS1FL3HM3/H carry AEC-Q101 automotive qualification. These parts are suitable for automotive applications requiring qualified components. The SS2FL3-M3/H, SS1FL3-M3/H, and SL03-GS18 do not carry automotive qualification.

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