SS16LHM2G Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS16LHM2G is a 60V, 1A Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation in a Sub SMA surface mount package. This component is classified as Active product status with AEC-Q101 automotive qualification. The device operates across a junction temperature range of -55°C to 150°C and features fast recovery characteristics suitable for high-frequency switching applications.

Equivalent and substitute parts are identified based on matching electrical performance parameters, mechanical compatibility, and package specifications. Alternative sources and variants are necessary to ensure supply chain flexibility, accommodate design revisions, and support component obsolescence management.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	60	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	700 mV @ 1 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	400	µA @ 60 V
Package / Case	DO-219AB	-
Mounting Type	Surface Mount	-
Operating Temperature - Junction	-55 to 150	°C
Technology	Schottky	-
Grade	Automotive	-
Qualification	AEC-Q101	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution logic for the SS16LHM2G is based on the following critical parameters:

Electrical Equivalence Criteria:

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)
Technology: Schottky

Mechanical Compatibility Criteria:

Package / Case: DO-219AB
Mounting Type: Surface Mount
Supplier Device Package: Sub SMA or DO-219AB (SMF)

Compliance & Certification Criteria:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

Parts are grouped into two categories:

Parametric Equivalent: SS16L R3G matches all electrical specifications and package requirements with identical reverse voltage, forward current, and forward voltage characteristics. This part is discontinued at DiGi Electronics but remains available in inventory.

Similar Manufacturer Parts: SS1FH6-M3/H, SS1FH6HM3/H, and SS2FH6HM3/H are manufactured by Vishay General Semiconductor and share the same reverse voltage, package type, and mounting configuration. These parts maintain electrical compatibility within the specified parameter ranges while offering extended temperature operation and improved reverse leakage characteristics.

Parameter Comparison

Parameter	SS16LHM2G (Main)	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 to 150°C	-55 to 150°C	-55 to 175°C	-55 to 175°C	-55 to 175°C
Technology	Schottky	Schottky	Schottky	Schottky	Schottky
Grade	Automotive	-	-	Automotive	Automotive
Qualification	AEC-Q101	-	-	AEC-Q101	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Discontinued at DiGi Electronics	Active	Active	Active

Engineering Selection Recommendations

SS16L R3G (Parametric Equivalent): This part provides direct electrical and mechanical equivalence to the SS16LHM2G with identical reverse voltage, forward current, and forward voltage specifications. Both parts are manufactured by Taiwan Semiconductor Corporation and share the same DO-219AB package. The SS16L R3G is discontinued at DiGi Electronics but maintains ROHS3 compliance and REACH unaffected status. Selection of this part is appropriate for applications requiring exact parameter matching and Taiwan Semiconductor Corporation sourcing continuity.

SS1FH6-M3/H (Vishay General Semiconductor): This part maintains electrical compatibility with 60V reverse voltage and 1A average rectified current. The Vishay variant offers improved reverse leakage performance (3 µA versus 400 µA) and extended operating temperature range (-55°C to 175°C). This part is Active status with high inventory availability. Selection is appropriate for applications where lower reverse leakage and extended temperature operation provide design benefits. This part does not carry automotive grade or AEC-Q101 qualification.

SS1FH6HM3/H (Vishay General Semiconductor): This part provides electrical equivalence with automotive grade and AEC-Q101 qualification matching the main part. Reverse voltage, forward current, and forward voltage specifications are identical. The part offers improved reverse leakage (3 µA) and extended temperature operation (-55°C to 175°C). Active product status with moderate inventory. Selection is appropriate for automotive applications requiring AEC-Q101 compliance with Vishay sourcing.

SS2FH6HM3/H (Vishay General Semiconductor): This part shares the same 60V reverse voltage and DO-219AB package but operates at 2A average rectified current with 780 mV forward voltage at 2A. This part carries automotive grade and AEC-Q101 qualification. Selection is appropriate only for applications requiring higher current capacity than the 1A specification of the main part, as it represents a design upgrade rather than a direct substitute.

Frequently Asked Questions (FAQ)

Q: Can SS16L R3G be used as a direct replacement for SS16LHM2G?

A: Yes. SS16L R3G is a parametric equivalent with identical reverse voltage (60V), average rectified current (1A), forward voltage (700 mV @ 1A), and package type (DO-219AB). Both parts are manufactured by Taiwan Semiconductor Corporation and comply with ROHS3 and REACH requirements. The part is discontinued at DiGi Electronics but remains available in inventory.

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

A: Both parts are manufactured by Vishay General Semiconductor with identical electrical specifications (60V, 1A, 700 mV @ 1A) and package type (DO-219AB). The primary difference is that SS1FH6HM3/H carries automotive grade and AEC-Q101 qualification, while SS1FH6-M3/H does not. Both offer improved reverse leakage (3 µA) compared to the main part (400 µA) and extended operating temperature to 175°C.

Q: Why does SS2FH6HM3/H have different electrical specifications?

A: SS2FH6HM3/H is rated for 2A average rectified current with 780 mV forward voltage at 2A, compared to the main part's 1A rating with 700 mV forward voltage at 1A. This part represents a higher current capacity variant within the same package and voltage class. Selection of this part is appropriate only when circuit requirements exceed 1A current capacity.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All listed substitute parts use the DO-219AB package type with Surface Mount configuration. PCB footprints are mechanically compatible across all parts listed in this reference.

Q: Which substitute part is recommended for automotive applications?

A: SS1FH6HM3/H and SS2FH6HM3/H both carry automotive grade and AEC-Q101 qualification. For 1A applications, SS1FH6HM3/H provides direct electrical equivalence. For applications requiring higher current capacity, SS2FH6HM3/H is appropriate.

Q: What is the significance of the reverse leakage difference between parts?

A: The main part SS16LHM2G specifies 400 µA reverse leakage at 60V, while Vishay parts (SS1FH6-M3/H, SS1FH6HM3/H, SS2FH6HM3/H) specify 3 µA. Lower reverse leakage reduces standby power consumption and heat generation. This difference is provided for engineering evaluation but does not prevent substitution in applications where the main part's leakage specification is acceptable.

Q: Can these parts be used interchangeably in high-frequency switching applications?

A: Yes. All listed parts specify Fast Recovery characteristics (≤ 500ns, > 200mA) and Schottky technology, which are suitable for high-frequency switching. The extended operating temperature range of Vishay parts (-55°C to 175°C versus -55°C to 150°C) provides additional thermal margin in demanding applications.

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