SS13L RQG Equivalent & Substitute Parts

Part Overview

The SS13L RQG 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 to provide design flexibility, accommodate supply chain variations, and support alternative packaging or performance requirements within the same electrical and mechanical specifications.

Key Parameters

Parameter	Value
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 ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	400 µA @ 30 V
Package / Case	DO-219AB
Mounting Type	Surface Mount
Operating Temperature - Junction	-55°C ~ 125°C
Technology	Schottky
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the SS13L RQG are grouped based on the following electrical and mechanical criteria:

Parametric Equivalents: Parts with identical voltage rating (30 V), current rating (1 A), forward voltage characteristics (500 mV @ 1 A), fast recovery speed (≤ 500ns), and DO-219AB package configuration. These parts are direct functional replacements with no circuit redesign required.

Similar Parts - Same Current Rating (1 A): Parts maintaining the 30 V voltage rating and 1 A current specification but with variations in forward voltage (480 mV @ 1 A), reverse leakage current (200 µA @ 30 V), operating temperature range (-55°C ~ 150°C), and packaging format. These parts are electrically compatible within the same application envelope.

Similar Parts - Higher Current Rating (1.1 A, 2 A): Parts with 30 V voltage rating but increased current capacity. These parts are suitable for applications requiring higher current handling while maintaining the same voltage specification and package footprint.

Automotive Grade Variants: Parts qualified to AEC-Q101 automotive standards with identical electrical specifications to their commercial counterparts, suitable for automotive and high-reliability applications.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Reverse Leakage @ Vr	Package	Temp Range	Grade	Packaging Format
SS13L RQG	Taiwan Semiconductor Corporation	30 V	1 A	500 mV @ 1 A	400 µA @ 30 V	DO-219AB	-55°C ~ 125°C	Commercial	RQG
SS13L RVG	Taiwan Semiconductor Corporation	30 V	1 A	500 mV @ 1 A	400 µA @ 30 V	DO-219AB	-55°C ~ 125°C	Commercial	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	Commercial	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	Commercial	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	Automotive (AEC-Q101)	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	Commercial	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	Automotive (AEC-Q101)	Tape & Reel (TR)

Engineering Selection Recommendations

Direct Replacement (Parametric Equivalent): SS13L RVG is a parametric equivalent to SS13L RQG with identical electrical specifications. The primary difference is packaging format (Cut Tape versus RQG format). Selection between these parts depends on assembly line requirements and tape format compatibility.

Same Current Rating Alternatives: SS1FL3-M3/H and SS1FL3HM3/H maintain the 1 A current rating with improved forward voltage characteristics (480 mV @ 1 A versus 500 mV @ 1 A) and lower reverse leakage current (200 µA @ 30 V versus 400 µA @ 30 V). These parts support extended operating temperature range (-55°C ~ 150°C). SS1FL3HM3/H includes AEC-Q101 automotive qualification for applications requiring automotive-grade reliability.

Higher Current Capacity: SL03-GS18, SS2FL3-M3/H, and SS2FL3HM3/H provide increased current handling (1.1 A to 2 A) while maintaining 30 V voltage rating and DO-219AB package compatibility. These parts are suitable for applications requiring higher current capacity within the same voltage specification. SS2FL3HM3/H includes AEC-Q101 automotive qualification.

Compliance and Certification: All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification consistent with the main part. Automotive-grade variants (SS1FL3HM3/H, SS2FL3HM3/H) carry AEC-Q101 qualification for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can SS13L RVG be used as a direct replacement for SS13L RQG? A: Yes. SS13L RVG is a parametric equivalent with identical electrical specifications (30 V, 1 A, 500 mV @ 1 A forward voltage, fast recovery speed). The difference is packaging format. Compatibility depends on assembly equipment tape format requirements.

Q: What is the difference between SS1FL3-M3/H and SS1FL3HM3/H? A: Both parts have identical electrical specifications (30 V, 1 A, 480 mV @ 1 A forward voltage). SS1FL3HM3/H includes AEC-Q101 automotive qualification and is supplied in Tape & Reel format, while SS1FL3-M3/H is commercial grade supplied in Cut Tape & Digi-Reel® format. Selection depends on application requirements and packaging format compatibility.

Q: Can I use SS2FL3-M3/H (2 A) in place of SS13L RQG (1 A)? A: Yes, from an electrical compatibility perspective. SS2FL3-M3/H maintains the 30 V voltage rating and DO-219AB package footprint. The higher current rating (2 A) provides additional margin for applications originally designed for 1 A. Forward voltage is higher (540 mV @ 2 A), which may affect circuit performance in current-sensitive applications.

Q: What is the advantage of SL03-GS18 over SS13L RQG? A: SL03-GS18 offers improved forward voltage characteristics (430 mV @ 1.1 A versus 500 mV @ 1 A) and significantly lower reverse leakage current (130 µA @ 30 V versus 400 µA @ 30 V). The 1.1 A current rating provides additional capacity. Both maintain 30 V voltage rating and DO-219AB package compatibility.

Q: Are all substitute parts available in the same package? A: All substitute parts use the DO-219AB package case, ensuring mechanical and footprint compatibility. Packaging formats vary (Cut Tape, Tape & Reel, Digi-Reel®) to accommodate different assembly processes and supply chain requirements.

Q: Which substitute part should I select for automotive applications? A: SS1FL3HM3/H (1 A) and SS2FL3HM3/H (2 A) carry AEC-Q101 automotive qualification. Selection between these depends on required current capacity. Both maintain 30 V voltage rating, DO-219AB package, and extended operating temperature range (-55°C ~ 150°C).

Q: What is the operating temperature range difference between SS13L RQG and substitute parts? A: SS13L RQG operates from -55°C to 125°C. Vishay substitute parts (SS1FL3 and SS2FL3 series) extend the upper limit to 150°C, providing 25°C additional thermal margin. This difference may be significant in high-temperature applications.

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