SS16L RFG Equivalent & Substitute Parts

Part Overview

The SS16L RFG is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 60 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 full RoHS3 compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are identified based on matching electrical performance parameters and mechanical compatibility within the Schottky diode rectifier category.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	60 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	700 mV @ 1 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	400 µA @ 60 V
Mounting Type	Surface Mount
Package / Case	DO-219AB
Operating Temperature - Junction	-55°C ~ 150°C
Technology	Schottky
RoHS Status	RoHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SS16L RFG is determined by equivalence in the following critical parameters: maximum DC reverse voltage (60 V), average rectified current rating (1 A), forward voltage drop (700 mV @ 1 A), fast recovery speed characteristic (≤ 500ns), surface mount mounting type, and DO-219AB package compatibility. Parts meeting these electrical and mechanical specifications are classified as parametric equivalents or similar alternatives.

The SS16L R3G represents a parametric equivalent manufactured by the same supplier (Taiwan Semiconductor Corporation) with identical electrical ratings and package designation, differing only in product status (discontinued at DiGi Electronics) and packaging format (Cut Tape & Digi-Reel versus standard reel).

The Vishay General Semiconductor parts (SS1FH6-M3/H, SS1FH6HM3/H, and SS2FH6HM3/H) are classified as similar alternatives based on matching voltage and package specifications. The SS1FH6-M3/H and SS1FH6HM3/H maintain the 1 A current rating with identical electrical performance. The SS2FH6HM3/H provides a higher current rating (2 A) and represents a higher-capacity alternative suitable for applications requiring increased current capacity within the same voltage class and package footprint.

Parameter Comparison

Parameter	SS16L RFG	SS16L R3G	SS1FH6-M3/H	SS1FH6HM3/H	SS2FH6HM3/H
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	60 V	60 V	60 V	60 V	60 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	2 A
Voltage - Forward (Vf) (Max) @ If	700 mV @ 1 A	700 mV @ 1 A	700 mV @ 1 A	700 mV @ 1 A	780 mV @ 2 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)
Current - Reverse Leakage @ Vr	400 µA @ 60 V	400 µA @ 60 V	3 µA @ 60 V	3 µA @ 60 V	3 µA @ 60 V
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C
Product Status	Active	Discontinued at DiGi Electronics	Active	Active	Active
RoHS Status	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant
Qualification	Not specified	Not specified	Not specified	AEC-Q101	AEC-Q101

Engineering Selection Recommendations

SS16L R3G (Taiwan Semiconductor Corporation): This part is a parametric equivalent to the SS16L RFG with identical electrical specifications and package designation. However, this part is discontinued at DiGi Electronics, limiting availability for new designs. Selection of this part is not recommended for active production applications.

SS1FH6-M3/H (Vishay General Semiconductor): This part maintains full electrical equivalence to the SS16L RFG at the 1 A current rating with identical forward voltage characteristics and fast recovery speed. The part is Active status with RoHS3 compliance. The operating temperature range extends to 175°C, providing enhanced thermal margin compared to the SS16L RFG. This part is suitable for direct substitution in applications where automotive qualification is not required.

SS1FH6HM3/H (Vishay General Semiconductor): This part provides electrical equivalence identical to SS1FH6-M3/H with the addition of AEC-Q101 automotive qualification. The part is Active status with RoHS3 compliance and extended operating temperature range to 175°C. Selection of this part is appropriate for automotive and mission-critical applications requiring formal qualification documentation.

SS2FH6HM3/H (Vishay General Semiconductor): This part provides a higher current rating of 2 A within the same 60 V voltage class and DO-219AB package footprint. The part is Active status with AEC-Q101 automotive qualification and RoHS3 compliance. Selection of this part is appropriate for applications requiring increased current capacity or where design margin for current handling is necessary, provided the circuit design accommodates the higher current rating.

Frequently Asked Questions (FAQ)

Q: Can the SS16L RFG be directly replaced with the SS16L R3G?

A: The SS16L R3G is a parametric equivalent with identical electrical specifications and package designation. However, the SS16L R3G is discontinued at DiGi Electronics, making it unsuitable for new production applications. The Vishay alternatives (SS1FH6-M3/H or SS1FH6HM3/H) are recommended for active designs.

Q: What is the difference between SS1FH6-M3/H and SS1FH6HM3/H?

A: Both parts are electrically identical with 1 A current rating, 60 V reverse voltage, and DO-219AB package. The SS1FH6HM3/H includes AEC-Q101 automotive qualification, making it suitable for automotive applications. The SS1FH6-M3/H is appropriate for general industrial and consumer applications.

Q: Can the SS2FH6HM3/H be used as a direct replacement for the SS16L RFG?

A: The SS2FH6HM3/H is mechanically and electrically compatible in terms of voltage rating (60 V) and package (DO-219AB). However, it provides a higher current rating of 2 A compared to the 1 A rating of the SS16L RFG. This part is suitable for substitution only if the circuit design can accommodate the higher current capacity and if the forward voltage characteristic at 2 A (780 mV) is acceptable for the application.

Q: What is the significance of the reverse leakage current difference between the SS16L RFG and Vishay alternatives?

A: The SS16L RFG specifies 400 µA reverse leakage at 60 V, while the Vishay parts (SS1FH6-M3/H, SS1FH6HM3/H, SS2FH6HM3/H) specify 3 µA at 60 V. The Vishay parts exhibit significantly lower reverse leakage, which may provide improved performance in applications sensitive to leakage current. This difference does not prevent substitution but represents an improvement in the Vishay alternatives.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts (SS16L R3G, SS1FH6-M3/H, SS1FH6HM3/H, and SS2FH6HM3/H) are RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1), matching the compliance profile of the SS16L RFG.

Q: What is the operating temperature difference between the SS16L RFG and substitute parts?

A: The SS16L RFG operates from -55°C to 150°C junction temperature. The Vishay substitute parts (SS1FH6-M3/H, SS1FH6HM3/H, and SS2FH6HM3/H) extend the upper operating temperature to 175°C, providing an additional 25°C thermal margin. This extended range may be beneficial in high-temperature applications.

Q: Is automotive qualification required for my application?

A: Automotive qualification (AEC-Q101) is required only for applications subject to automotive industry standards. The SS1FH6HM3/H and SS2FH6HM3/H include AEC-Q101 qualification. The SS1FH6-M3/H does not include this qualification and is suitable for non-automotive applications.

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