SS16LHMHG Equivalent & Substitute Parts

Part Overview

The SS16LHMHG 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 AEC-Q101 automotive qualification and ROHS3 compliance. 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	Unit
Technology	Schottky	—
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	—
RoHS Status	ROHS3 Compliant	—
Grade	Automotive	—
Qualification	AEC-Q101	—

Substitute Part Grouping Explanation

Substitute parts for the SS16LHMHG are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalent (Direct Substitutes): Parts that match all critical electrical parameters: 60 V reverse voltage rating, 1 A average rectified current, 700 mV forward voltage drop at 1 A, fast recovery speed characteristic, and DO-219AB package configuration. These parts maintain identical functional performance within the specified operating temperature range and compliance requirements.

Similar Manufacturer Parts (Functional Alternatives): Parts that share the same voltage and package specifications but may differ in current rating, reverse leakage characteristics, or operating temperature range. These parts are suitable for applications where the primary electrical requirements (voltage rating and package form factor) are the controlling factors, provided that the specific current and thermal requirements of the application are satisfied.

Key Parameters Determining Substitution:

Voltage - DC Reverse (Vr) (Max): 60 V
Current - Average Rectified (Io): 1 A (or higher)
Package / Case: DO-219AB
Mounting Type: Surface Mount
Technology: Schottky

Parameter Comparison

Parameter	SS16LHMHG	SS16L R3G	SS1FH6-M3/H	SS1FH6HM3/H	SS2FH6HM3/H
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Technology	Schottky	Schottky	Schottky	Schottky	Schottky
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
Product Status	Active	Discontinued at DiGi Electronics	Active	Active	Active
Grade	Automotive	—	—	Automotive	Automotive
Qualification	AEC-Q101	—	—	AEC-Q101	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

SS16L R3G (Taiwan Semiconductor Corporation): This part is a parametric equivalent to the SS16LHMHG with identical electrical specifications and package configuration. However, the product status is listed as Discontinued at DiGi Electronics, which may impact long-term availability. Selection of this part should be evaluated against current supply chain status and project timeline requirements.

SS1FH6-M3/H (Vishay General Semiconductor - Diodes Division): This part meets the core electrical requirements of 60 V reverse voltage, 1 A average rectified current, and DO-219AB package. The operating temperature range extends to 175°C, providing additional thermal margin. Reverse leakage current is significantly lower at 3 µA compared to 400 µA in the main part. This part is Active status with ROHS3 compliance. Automotive grade and AEC-Q101 qualification are not specified for this variant.

SS1FH6HM3/H (Vishay General Semiconductor - Diodes Division): This part is functionally equivalent to the SS16LHMHG with identical electrical specifications, DO-219AB package, and extended operating temperature range to 175°C. This variant includes Automotive grade and AEC-Q101 qualification, matching the compliance profile of the main part. Reverse leakage current is 3 µA at 60 V. Product status is Active with ROHS3 compliance.

SS2FH6HM3/H (Vishay General Semiconductor - Diodes Division): This part shares the same 60 V voltage rating and DO-219AB package but is rated for 2 A average rectified current, exceeding the 1 A requirement of the main part. Forward voltage drop is 780 mV at 2 A. This part includes Automotive grade and AEC-Q101 qualification. Product status is Active with ROHS3 compliance and extended operating temperature range to 175°C. Selection is appropriate for applications requiring higher current capacity within the same package footprint.

Frequently Asked Questions (FAQ)

Q: Can SS16L R3G be used as a direct replacement for SS16LHMHG?

A: SS16L R3G matches all electrical parameters and package specifications of the SS16LHMHG. However, the product status is Discontinued at DiGi Electronics, which may affect procurement. Verify current availability through your supplier before committing to this substitution.

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

A: Both parts share identical electrical specifications and operating temperature range. The primary difference is that SS1FH6HM3/H includes Automotive grade classification and AEC-Q101 qualification, while SS1FH6-M3/H does not specify these qualifications. For automotive applications requiring AEC-Q101 compliance, SS1FH6HM3/H is the appropriate selection.

Q: Can SS2FH6HM3/H replace SS16LHMHG in a 1 A application?

A: SS2FH6HM3/H is rated for 2 A average rectified current and shares the same 60 V voltage rating and DO-219AB package. It is suitable for applications designed for 1 A operation, as the higher current rating provides design margin. Forward voltage drop is 780 mV at 2 A, compared to 700 mV at 1 A for the main part. Verify that the application circuit can tolerate this voltage difference.

Q: Are all substitute parts ROHS3 compliant?

A: All parts listed in this reference, including the main part SS16LHMHG and all substitute options, are ROHS3 compliant.

Q: What is the significance of the reverse leakage current difference between SS16LHMHG and Vishay alternatives?

A: The SS16LHMHG specifies 400 µA reverse leakage at 60 V, while Vishay parts (SS1FH6-M3/H, SS1FH6HM3/H, SS2FH6HM3/H) specify 3 µA at 60 V. Lower reverse leakage reduces standby power dissipation and improves circuit efficiency. Applications sensitive to leakage current benefit from the Vishay alternatives.

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

A: All parts listed in this reference use the DO-219AB package configuration, ensuring mechanical and thermal compatibility in surface mount applications.

Q: What is the operating temperature advantage of Vishay parts?

A: Vishay parts (SS1FH6-M3/H, SS1FH6HM3/H, SS2FH6HM3/H) are rated for -55°C to 175°C junction temperature, compared to -55°C to 150°C for SS16LHMHG and SS16L R3G. This 25°C additional margin provides thermal design flexibility in high-temperature environments.

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