SS36L MQG Equivalent & Substitute Parts

Part Overview

The SS36L MQG 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 and is RoHS3 compliant. Equivalent and substitute parts are identified to support design flexibility, supply chain alternatives, and application-specific requirements such as automotive qualification or current rating adjustments.

Key Parameters

Parameter	Value
Manufacturer Part Number	SS36L MQG
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
Mounting Type	Surface Mount
Package / Case	DO-219AB
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SS36L MQG is determined by the following critical parameters:

Voltage Rating: All substitute parts maintain the 60 V DC reverse voltage specification, ensuring compatibility in circuits designed for this voltage class.

Current Rating: The SS36L MQG is rated for 3 A average rectified current. Substitute parts are grouped into two categories: parametric equivalents (3 A rating) and similar parts (1 A or 2 A ratings). Lower current-rated substitutes are suitable only for applications where the circuit current demand does not exceed the substitute part's rating.

Package and Mounting: All substitute parts use the DO-219AB package with surface mount technology, maintaining mechanical and electrical interface compatibility.

Forward Voltage: Forward voltage characteristics vary among substitutes. Parts with lower forward voltage (530 mV) offer improved efficiency; parts with higher forward voltage (780 mV) remain within acceptable operating parameters.

Reverse Leakage Current: Leakage current specifications range from 3 µA to 800 µA at 60 V. Lower leakage is preferred for precision applications; higher leakage is acceptable for general rectification.

Temperature Range: Operating junction temperature ranges extend to 175°C for certain substitutes, providing extended thermal operating margin compared to the base part's 150°C maximum.

Compliance and Qualification: Automotive-grade substitutes carry AEC-Q101 qualification, suitable for automotive and high-reliability applications.

Parameter Comparison

Parameter	SS36L MQG	SS36L RVG	SS1FH6-M3/H	SS1FH6HM3/H	SS1FN6-M3/H	SS2FH6HM3/H
Manufacturer	Taiwan Semiconductor	Taiwan Semiconductor	Vishay	Vishay	Vishay	Vishay
Voltage - DC Reverse (Vr) (Max)	60 V	60 V	60 V	60 V	60 V	60 V
Current - Average Rectified (Io)	3 A	3 A	1 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	530 mV @ 1 A	780 mV @ 2 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA	Fast Recovery ≤ 500 ns, > 200 mA	Fast Recovery ≤ 500 ns, > 200 mA	Fast Recovery ≤ 500 ns, > 200 mA	Fast Recovery ≤ 500 ns, > 200 mA	Fast Recovery ≤ 500 ns, > 200 mA
Current - Reverse Leakage @ Vr	500 µA @ 60 V	500 µA @ 60 V	3 µA @ 60 V	3 µA @ 60 V	800 µA @ 60 V	3 µA @ 60 V
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-219AB	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 ~ 150°C	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade	No	No	No	AEC-Q101	No	AEC-Q101

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement):

SS36L RVG is a parametric equivalent to SS36L MQG. Both parts are manufactured by Taiwan Semiconductor Corporation with identical electrical specifications: 60 V reverse voltage, 3 A average rectified current, 750 mV forward voltage at 3 A, and -55°C to 150°C operating temperature range. The primary difference is packaging format: SS36L RVG is supplied in Tape & Reel (TR) format, while SS36L MQG uses standard packaging. Both are RoHS3 compliant and Active product status. SS36L RVG is suitable for direct substitution in applications requiring the full 3 A current rating.

Automotive-Qualified Alternatives:

SS1FH6HM3/H and SS2FH6HM3/H are Vishay parts with AEC-Q101 automotive qualification. SS1FH6HM3/H is rated for 1 A and SS2FH6HM3/H for 2 A. Both feature extended operating temperature range to 175°C and low reverse leakage current (3 µA @ 60 V). These parts are suitable for automotive applications and high-reliability environments where AEC-Q101 qualification is required. Current rating must be verified against circuit requirements.

General-Purpose Alternatives:

SS1FH6-M3/H and SS1FN6-M3/H are Vishay eSMP® series parts rated for 1 A. SS1FH6-M3/H offers 700 mV forward voltage and 3 µA reverse leakage. SS1FN6-M3/H provides lower forward voltage (530 mV) for improved efficiency but exhibits higher reverse leakage (800 µA). Both support extended temperature operation to 175°C. These parts are suitable for applications where 1 A current capacity is sufficient.

Selection Criteria:

Select SS36L RVG for direct replacement requiring 3 A capacity and Taiwan Semiconductor sourcing. Select automotive-qualified parts (SS1FH6HM3/H or SS2FH6HM3/H) for automotive or high-reliability applications. Select Vishay eSMP® parts for general-purpose applications where current requirements are 1 A or 2 A and extended temperature operation is beneficial. All substitute parts maintain DO-219AB package compatibility and RoHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can SS36L RVG replace SS36L MQG directly?

A: Yes. SS36L RVG is a parametric equivalent with identical electrical specifications: 60 V reverse voltage, 3 A average rectified current, 750 mV forward voltage at 3 A, and -55°C to 150°C operating temperature. The difference is packaging format (Tape & Reel versus standard). Both are RoHS3 compliant and Active status.

Q: Can I use SS1FH6-M3/H or SS1FN6-M3/H as substitutes for SS36L MQG?

A: These parts are suitable only if circuit current requirements do not exceed 1 A. Both are rated for 1 A average rectified current, compared to SS36L MQG's 3 A rating. Voltage rating (60 V) and package (DO-219AB) are compatible. Forward voltage differs: SS1FH6-M3/H is 700 mV @ 1 A; SS1FN6-M3/H is 530 mV @ 1 A.

Q: What is the difference between SS2FH6HM3/H and SS36L MQG?

A: SS2FH6HM3/H is rated for 2 A average rectified current, compared to SS36L MQG's 3 A. Both maintain 60 V reverse voltage and DO-219AB package. SS2FH6HM3/H includes AEC-Q101 automotive qualification and extended operating temperature to 175°C. Forward voltage is 780 mV @ 2 A. Use SS2FH6HM3/H only if circuit current does not exceed 2 A.

Q: Are all substitute parts in the same package?

A: Yes. All substitute parts use the DO-219AB package with surface mount technology. Mechanical and electrical interface compatibility is maintained across all listed alternatives.

Q: Which substitute part has the lowest forward voltage?

A: SS1FN6-M3/H has the lowest forward voltage at 530 mV @ 1 A, offering improved efficiency. However, this part is rated for 1 A current and exhibits higher reverse leakage (800 µA @ 60 V) compared to other alternatives.

Q: Which substitute parts are suitable for automotive applications?

A: SS1FH6HM3/H and SS2FH6HM3/H carry AEC-Q101 automotive qualification. SS1FH6HM3/H is rated for 1 A; SS2FH6HM3/H is rated for 2 A. Both support extended operating temperature to 175°C and feature low reverse leakage (3 µA @ 60 V).

Q: What is the reverse leakage current difference between substitutes?

A: Reverse leakage at 60 V ranges from 3 µA (SS1FH6-M3/H, SS1FH6HM3/H, SS2FH6HM3/H) to 500 µA (SS36L MQG, SS36L RVG) to 800 µA (SS1FN6-M3/H). Lower leakage is preferred for precision applications; higher leakage is acceptable for general rectification.

Q: Can I use a 1 A rated part in a circuit designed for 3 A?

A: No. Using a 1 A rated part in a 3 A circuit exceeds the component's current rating and causes thermal stress and potential failure. Current rating must match or exceed circuit requirements.

Q: What is the temperature operating range difference?

A: SS36L MQG and SS36L RVG operate from -55°C to 150°C. Vishay substitutes (SS1FH6-M3/H, SS1FH6HM3/H, SS2FH6HM3/H) extend to -55°C to 175°C, providing 25°C additional thermal margin. SS1FN6-M3/H operates to 150°C, matching the base part.

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