SS16LHRFG Equivalent & Substitute Parts

Part Overview

The SS16LHRFG 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 and carries AEC-Q101 automotive qualification. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs.

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
Package / Case	DO-219AB
Mounting Type	Surface Mount
Operating Temperature - Junction	-55°C ~ 150°C
Technology	Schottky
Grade	Automotive
Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SS16LHRFG is determined by strict equivalence across the following critical parameters:

Parametric Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 60 V
Current - Average Rectified (Io): 1 A
Technology: Schottky
Package / Case: DO-219AB
Mounting Type: Surface Mount
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Parametric Equivalent: SS16L R3G (Taiwan Semiconductor Corporation) meets all electrical and mechanical specifications of the main part with identical ratings and package configuration. This part is listed as Discontinued at DiGi Electronics but remains functionally equivalent.

Similar Manufacturer Parts: SS1FH6-M3/H, SS1FH6HM3/H, and SS2FH6HM3/H (Vishay General Semiconductor - Diodes Division) provide functional equivalence with the following considerations:

SS1FH6-M3/H and SS1FH6HM3/H: Identical electrical ratings (60 V, 1 A) with enhanced operating temperature range (-55°C ~ 175°C) and lower reverse leakage current (3 µA @ 60 V vs. 400 µA @ 60 V). SS1FH6HM3/H includes AEC-Q101 automotive qualification.
SS2FH6HM3/H: Rated for 2 A average rectified current (exceeds 1 A requirement) with 60 V reverse voltage rating. Forward voltage is 780 mV @ 2 A. Includes AEC-Q101 automotive qualification and extended operating temperature range.

Parameter Comparison

Parameter	SS16LHRFG	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
Package / Case	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C
Technology	Schottky	Schottky	Schottky	Schottky	Schottky
Grade	Automotive	Not specified	Not specified	Automotive	Automotive
Qualification	AEC-Q101	Not specified	Not specified	AEC-Q101	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Discontinued at DiGi Electronics	Active	Active	Active

Engineering Selection Recommendations

Direct Parametric Equivalent: SS16L R3G is the direct parametric equivalent to SS16LHRFG, offering identical electrical specifications and package configuration. However, this part is listed as Discontinued at DiGi Electronics, limiting its availability for new designs or long-term supply assurance.

Automotive-Qualified Alternatives: For applications requiring AEC-Q101 automotive qualification, SS1FH6HM3/H and SS2FH6HM3/H are both active products from Vishay General Semiconductor. Both parts maintain the 60 V reverse voltage rating and fast recovery Schottky technology. SS1FH6HM3/H provides exact current rating equivalence (1 A) with extended operating temperature range (-55°C ~ 175°C) and significantly lower reverse leakage current (3 µA @ 60 V). SS2FH6HM3/H offers higher current capacity (2 A) within the same voltage and package specifications, suitable for applications with current margin requirements.

Non-Automotive Alternative: SS1FH6-M3/H (Vishay General Semiconductor) provides electrical equivalence without automotive grade designation or AEC-Q101 qualification. This part is suitable for non-automotive applications requiring 60 V, 1 A Schottky rectification with extended temperature range and lower reverse leakage characteristics.

Compliance Considerations: All substitute parts maintain ROHS3 compliance, MSL 1 (Unlimited) moisture sensitivity rating, and DO-219AB package compatibility. Selection should prioritize active product status and compliance requirements specific to the application.

Frequently Asked Questions (FAQ)

Q: Can SS16L R3G be used as a direct replacement for SS16LHRFG?

A: Yes. SS16L R3G is a parametric equivalent with identical voltage rating (60 V), current rating (1 A), forward voltage (700 mV @ 1 A), and package configuration (DO-219AB). However, this part is listed as Discontinued at DiGi Electronics, which may affect long-term availability.

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

A: Both parts share identical electrical ratings (60 V, 1 A, 700 mV @ 1 A) and package type (DO-219AB). The primary difference is that SS1FH6HM3/H includes Automotive grade designation and AEC-Q101 qualification, while SS1FH6-M3/H does not. Both offer extended operating temperature range (-55°C ~ 175°C) and lower reverse leakage current (3 µA @ 60 V) compared to the main part.

Q: Can SS2FH6HM3/H replace SS16LHRFG in all applications?

A: SS2FH6HM3/H is electrically compatible with SS16LHRFG for the 60 V reverse voltage and fast recovery Schottky technology. However, SS2FH6HM3/H is rated for 2 A average rectified current, which exceeds the 1 A requirement of SS16LHRFG. This higher current rating does not create incompatibility but provides additional design margin. Forward voltage at rated current differs (780 mV @ 2 A vs. 700 mV @ 1 A), which may affect circuit performance in applications sensitive to forward voltage characteristics.

Q: Are all substitute parts in the same package?

A: Yes. All substitute parts use the DO-219AB package with surface mount configuration, ensuring mechanical and footprint compatibility with SS16LHRFG.

Q: Which substitute part has the lowest reverse leakage current?

A: SS1FH6-M3/H, SS1FH6HM3/H, and SS2FH6HM3/H all exhibit 3 µA @ 60 V reverse leakage current, compared to 400 µA @ 60 V for SS16LHRFG and SS16L R3G. This represents a significant reduction in leakage characteristics.

Q: What is the operating temperature range difference between the main part and substitutes?

A: SS16LHRFG operates from -55°C to 150°C junction temperature. Vishay substitutes (SS1FH6-M3/H, SS1FH6HM3/H, SS2FH6HM3/H) extend the upper limit to 175°C, providing 25°C additional thermal margin.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental compliance profile of SS16LHRFG.

Q: Which substitute part is recommended for automotive applications?

A: SS1FH6HM3/H and SS2FH6HM3/H both carry Automotive grade designation and AEC-Q101 qualification. SS1FH6HM3/H is recommended for direct current rating equivalence (1 A), while SS2FH6HM3/H is suitable when higher current capacity (2 A) is beneficial.

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