SS310L M2G Equivalent & Substitute Parts

Part Overview

The SS310L M2G is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 100 V DC reverse voltage and 3 A average rectified current in a Sub SMA surface mount package (DO-219AB). This component is classified as Active product status and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for compatible alternatives from qualified manufacturers. The substitute parts listed maintain electrical compatibility within the specified parameter ranges while offering different availability, packaging options, or product status classifications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 3 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	100	µA @ 100 V
Technology	Schottky
Mounting Type	Surface Mount
Package / Case	DO-219AB
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution logic for the SS310L M2G is based on the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 100 V minimum
Technology: Schottky diode
Mounting Type: Surface Mount
Package / Case: DO-219AB (Sub SMA / SMF)
Operating Temperature Range: Minimum -55°C to 150°C junction temperature

Current Rating Considerations: The SS310L M2G is rated for 3 A average rectified current. Substitute parts with lower current ratings (1 A or 2 A) are listed as similar alternatives because they share identical voltage ratings, package specifications, and fast recovery characteristics. These lower-rated devices are electrically compatible for applications requiring reduced current capacity but cannot be used in circuits demanding the full 3 A specification.

Packaging Format Variations: Substitute parts are available in multiple packaging formats including Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel®. These represent the same electrical component in different distribution and handling configurations suitable for different manufacturing processes.

Product Status Classification: The parametric equivalent SS310L (Not For New Designs) maintains identical electrical specifications but carries a different product lifecycle status. Similar manufacturer parts from Vishay General Semiconductor - Diodes Division (SS1FH10-M3/H, SS1FH10HM3/H, SS2FH10-M3/H, SS2FH10HM3/H) are Active status alternatives with comparable performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [mV]	Reverse Leakage [µA]	Package	Temp Range [°C]	Product Status
SS310L M2G	Taiwan Semiconductor Corporation	100	3	850 @ 3A	100 @ 100V	DO-219AB	-55 to 150	Active
SS310L	Taiwan Semiconductor Corporation	100	3	850 @ 3A	100 @ 100V	DO-219AB	-55 to 150	Not For New Designs
SS1FH10-M3/H	Vishay General Semiconductor	100	1	800 @ 1A	5 @ 100V	DO-219AB	-55 to 175	Active
SS1FH10HM3/H	Vishay General Semiconductor	100	1	800 @ 1A	5 @ 100V	DO-219AB	-55 to 175	Active
SS2FH10-M3/H	Vishay General Semiconductor	100	2	860 @ 2A	5 @ 10V	DO-219AB	-55 to 175	Active
SS2FH10HM3/H	Vishay General Semiconductor	100	2	860 @ 2A	5 @ 100V	DO-219AB	-55 to 175	Active

Engineering Selection Recommendations

Direct Equivalent (Identical Specifications): The SS310L (Tape & Reel packaging) from Taiwan Semiconductor Corporation is the parametric equivalent to SS310L M2G. Both components share identical electrical ratings (100 V, 3 A, 850 mV forward voltage). Selection between these two part numbers depends on packaging format requirements and product lifecycle considerations. The SS310L M2G maintains Active status, while SS310L is classified as Not For New Designs.

Current-Reduced Alternatives (Vishay eSMP® Series): The Vishay General Semiconductor parts (SS1FH10-M3/H, SS1FH10HM3/H, SS2FH10-M3/H, SS2FH10HM3/H) are Active status alternatives suitable for applications where current requirements are lower than the 3 A specification. These components maintain the 100 V reverse voltage rating and DO-219AB package compatibility. The SS2FH10 series (2 A rating) provides the closest current match to the original 3 A specification. The SS1FH10 series (1 A rating) is suitable only for lower-current applications.

Compliance and Certification: All listed substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Vishay parts SS1FH10HM3/H and SS2FH10HM3/H carry AEC-Q101 automotive qualification, providing additional reliability assurance for automotive and high-reliability applications.

Temperature Operating Range: Vishay alternatives support extended operating temperature ranges (-55°C to 175°C junction temperature) compared to the Taiwan Semiconductor parts (-55°C to 150°C). This provides additional thermal margin for high-temperature applications.

Frequently Asked Questions (FAQ)

Q: Can SS1FH10-M3/H or SS1FH10HM3/H be used as direct replacements for SS310L M2G?

A: These parts are not direct replacements. While they share the same 100 V reverse voltage rating and DO-219AB package, they are rated for 1 A average rectified current compared to the 3 A specification of SS310L M2G. They are suitable only for applications requiring 1 A or less. Using a 1 A rated device in a 3 A circuit will result in component failure.

Q: What is the difference between SS310L M2G and SS310L?

A: Both parts are manufactured by Taiwan Semiconductor Corporation with identical electrical specifications (100 V, 3 A, 850 mV forward voltage, DO-219AB package). The primary difference is product status: SS310L M2G is Active, while SS310L is Not For New Designs. Packaging format may also differ (M2G designation typically indicates specific packaging configuration).

Q: Are Vishay SS2FH10-M3/H and SS2FH10HM3/H interchangeable?

A: Both Vishay parts are rated for 100 V and 2 A with identical forward voltage characteristics (860 mV @ 2 A). The primary difference is packaging format: SS2FH10-M3/H is supplied in Cut Tape (CT) & Digi-Reel® format, while SS2FH10HM3/H is supplied in Tape & Reel (TR) format. They are electrically equivalent and differ only in distribution packaging.

Q: Can SS2FH10HM3/H replace SS310L M2G in all applications?

A: SS2FH10HM3/H is suitable for applications where the circuit current requirement does not exceed 2 A. The 100 V reverse voltage rating and DO-219AB package are compatible. However, if the application requires the full 3 A current capacity of SS310L M2G, SS2FH10HM3/H will be inadequate. Additionally, SS2FH10HM3/H supports extended temperature operation (-55°C to 175°C) compared to SS310L M2G (-55°C to 150°C).

Q: What does AEC-Q101 qualification mean for Vishay parts?

A: AEC-Q101 is an automotive electronics qualification standard. Vishay parts SS1FH10HM3/H and SS2FH10HM3/H carry this qualification, indicating they meet stringent reliability and quality requirements for automotive applications. This certification is relevant for designs requiring automotive-grade components.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (SS310L, SS1FH10-M3/H, SS1FH10HM3/H, SS2FH10-M3/H, SS2FH10HM3/H) are ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Q: What is the significance of the forward voltage difference between parts?

A: Forward voltage specifications are provided at specific current levels. SS310L M2G specifies 850 mV @ 3 A, while Vishay 1 A parts specify 800 mV @ 1 A and 2 A parts specify 860 mV @ 2 A. These differences reflect the current-dependent behavior of Schottky diodes. When selecting a substitute, ensure the forward voltage specification is measured at the actual operating current of your circuit.

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