SS36LHMQG Equivalent & Substitute Parts

Part Overview

The SS36LHMQG is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 60 V DC reverse voltage and 3 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. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and application-specific requirements where parametric or packaging variations are acceptable within design constraints.

Key Parameters

Parameter	Value
Manufacturer Part Number	SS36LHMQG
Manufacturer	Taiwan Semiconductor Corporation
Category	Diodes, Rectifiers
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	60 V
Current - Average Rectified (Io)	3 A
Voltage - Forward (Vf) (Max) @ If	750 mV @ 3 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 60 V
Package / Case	DO-219AB
Supplier Device Package	Sub SMA
Operating Temperature - Junction	-55°C ~ 150°C
Grade	Automotive
Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution logic for the SS36LHMQG is based on the following critical parameters: voltage rating (60 V DC reverse), package type (DO-219AB / Sub SMA), technology (Schottky), and mounting method (Surface Mount).

Parametric Equivalent Classification: Parts that maintain identical voltage rating, current rating, package, and thermal operating range are classified as parametric equivalents. The SS36L RVG meets all parametric requirements and differs only in packaging format (Tape & Reel versus bulk).

Similar Part Classification: Parts that maintain the same voltage rating (60 V), package type (DO-219AB), and technology (Schottky) but differ in current rating are classified as similar parts. The SS1FH6-M3/H, SS1FH6HM3/H, and SS2FH6HM3/H represent current-derating alternatives with 1 A, 1 A, and 2 A ratings respectively. These parts are suitable for applications where the full 3 A rating is not required and where the lower reverse leakage current (3 µA versus 500 µA) provides design advantages.

Parameter Comparison

Parameter	SS36LHMQG	SS36L RVG	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
Voltage - DC Reverse (Vr) (Max)	60 V	60 V	60 V	60 V	60 V
Current - Average Rectified (Io)	3 A	3 A	1 A	1 A	2 A
Voltage - Forward (Vf) (Max) @ If	750 mV @ 3 A	750 mV @ 3 A	700 mV @ 1 A	700 mV @ 1 A	780 mV @ 2 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 60 V	500 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
Supplier Device Package	Sub SMA	Sub SMA	DO-219AB (SMF)	DO-219AB (SMF)	DO-219AB (SMF)
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C
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	Active	Active	Active	Active

Engineering Selection Recommendations

SS36L RVG (Parametric Equivalent): This part is a direct parametric equivalent to the SS36LHMQG, maintaining identical electrical specifications, voltage rating, current rating, and thermal operating range. The primary distinction is packaging format: SS36L RVG is supplied in Tape & Reel format, while SS36LHMQG is supplied in bulk. Both parts carry Active product status, ROHS3 compliance, and MSL 1 rating. Selection of SS36L RVG is appropriate for applications requiring identical electrical performance with alternative packaging logistics.

SS1FH6HM3/H (Similar Part - 1 A Rating): This Vishay part maintains the 60 V voltage rating, DO-219AB package, and Schottky technology. It carries Automotive grade and AEC-Q101 qualification matching the main part. The 1 A current rating represents a derating from the 3 A specification. This part is suitable for applications where circuit current requirements do not exceed 1 A and where the lower reverse leakage current (3 µA versus 500 µA) provides design benefits. Operating temperature range extends to 175°C, exceeding the main part specification.

SS2FH6HM3/H (Similar Part - 2 A Rating): This Vishay part maintains the 60 V voltage rating, DO-219AB package, and Schottky technology. It carries Automotive grade and AEC-Q101 qualification. The 2 A current rating represents a partial derating from the 3 A specification. This part is suitable for applications where circuit current requirements do not exceed 2 A. Like the 1 A variant, it features lower reverse leakage current (3 µA) and extended operating temperature range to 175°C.

SS1FH6-M3/H (Similar Part - 1 A Rating, Non-Automotive): This Vishay part maintains the 60 V voltage rating, DO-219AB package, and Schottky technology. It does not carry explicit Automotive grade or AEC-Q101 qualification. The 1 A current rating represents a derating from the 3 A specification. This part is suitable for non-automotive applications where circuit current requirements do not exceed 1 A and where automotive qualification is not required.

Frequently Asked Questions (FAQ)

Q: Can SS36L RVG be used as a direct replacement for SS36LHMQG?

A: Yes. SS36L RVG is a parametric equivalent with identical electrical specifications, voltage rating (60 V), current rating (3 A), package type (DO-219AB), and thermal operating range (-55°C to 150°C). The parts differ only in packaging format. Both are Active status, ROHS3 compliant, and carry MSL 1 rating.

Q: What is the difference between the Vishay parts (SS1FH6-M3/H, SS1FH6HM3/H, SS2FH6HM3/H) and the main part?

A: The Vishay parts are current-derating alternatives. They maintain the 60 V voltage rating and DO-219AB package but offer reduced current ratings (1 A or 2 A versus 3 A). All Vishay parts feature significantly lower reverse leakage current (3 µA versus 500 µA) and extended operating temperature range to 175°C. The SS1FH6HM3/H and SS2FH6HM3/H carry Automotive grade and AEC-Q101 qualification; SS1FH6-M3/H does not.

Q: Can I use a 1 A or 2 A rated part in place of the 3 A SS36LHMQG?

A: Substitution is permissible only if circuit current requirements do not exceed the lower rating. The 1 A parts (SS1FH6-M3/H, SS1FH6HM3/H) are suitable for circuits drawing maximum 1 A. The 2 A part (SS2FH6HM3/H) is suitable for circuits drawing maximum 2 A. Exceeding the part's current rating will result in device failure.

Q: Are the Vishay parts automotive-qualified?

A: SS1FH6HM3/H and SS2FH6HM3/H carry Automotive grade and AEC-Q101 qualification, matching the main part. SS1FH6-M3/H does not carry explicit automotive qualification and is suitable for non-automotive applications only.

Q: What is the significance of the lower reverse leakage current in Vishay parts?

A: Vishay parts exhibit 3 µA reverse leakage current at 60 V, compared to 500 µA for the main part. Lower reverse leakage reduces standby power dissipation and may provide design advantages in low-power or battery-powered applications. This parameter is provided for engineering evaluation; selection should be based on circuit requirements.

Q: Do all substitute parts use the same package?

A: All parts use the DO-219AB package. The main part and SS36L RVG are designated as Sub SMA; Vishay parts are designated as DO-219AB (SMF). These designations refer to the same physical package with identical footprint and mounting characteristics.

Q: What is the operating temperature difference between the main part and substitute parts?

A: The main part (SS36LHMQG) and SS36L RVG operate from -55°C to 150°C junction temperature. Vishay parts (SS1FH6-M3/H, SS1FH6HM3/H, SS2FH6HM3/H) operate from -55°C to 175°C. The extended upper temperature limit in Vishay parts may be beneficial for high-temperature applications but is not required for standard industrial use cases.

Q: Are all parts RoHS3 compliant?

A: Yes. All listed parts carry ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, meeting environmental and handling requirements for industrial and automotive applications.

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