SS2FH6-M3/H Equivalent & Substitute Parts

Part Overview

The SS2FH6-M3/H is an active Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates at 60 V DC reverse voltage with a 2 A average rectified current rating and is packaged in the DO-219AB (SMF) form factor. The device is specified for fast recovery operation with a maximum forward voltage of 780 mV at 2 A and exhibits low reverse leakage current of 3 µA at rated voltage. Substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits alternative packaging configurations while maintaining electrical performance within specified parameters.

Key Parameters

Parameter	Value	Unit
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	60	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	780	mV @ 2 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	3	µA @ 60 V
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 175	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the SS2FH6-M3/H are identified based on matching or exceeding the following critical electrical parameters: Schottky technology classification, 60 V maximum DC reverse voltage rating, 2 A average rectified current capacity, fast recovery speed characteristic (≤ 500ns at > 200mA), surface mount mounting type, and compliance with ROHS3 and MSL 1 requirements.

The SS2FH6-M3/H has two identified substitutes:

SS2FH6HM3/H (Parametric Equivalent): This Vishay part maintains identical electrical specifications including 60 V reverse voltage, 2 A current rating, 780 mV forward voltage at 2 A, and fast recovery speed. The primary distinction is automotive-grade qualification with AEC-Q101 certification. Both parts use the DO-219AB package and share the same base product number (SS2FH6). This substitute is suitable for applications requiring automotive-grade reliability.

PMEG6020ELRX (Manufacturer Recommended): This Nexperia part meets the core electrical requirements of 60 V reverse voltage and 2 A current rating with fast recovery speed. The forward voltage is specified at 760 mV at 2 A, representing a 20 mV improvement over the main part. The package differs as SOD-123W instead of DO-219AB, requiring PCB layout modification. Reverse leakage current is specified at 300 nA at 60 V, which is lower than the main part's 3 µA specification.

Parameter Comparison

Parameter	SS2FH6-M3/H	SS2FH6HM3/H	PMEG6020ELRX
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Nexperia USA Inc.
Technology	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	60 V	60 V	60 V
Current - Average Rectified (Io)	2 A	2 A	2 A
Voltage - Forward (Vf) (Max) @ If	780 mV @ 2 A	780 mV @ 2 A	760 mV @ 2 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	3 µA @ 60 V	3 µA @ 60 V	300 nA @ 60 V
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-219AB	DO-219AB	SOD-123W
Operating Temperature - Junction	-55 to 175 °C	-55 to 175 °C	Max 175 °C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

SS2FH6HM3/H Selection Criteria: This substitute is appropriate for applications requiring automotive-grade component qualification. The part maintains identical electrical performance to the main part and uses the same DO-219AB package, eliminating PCB layout modifications. AEC-Q101 certification qualifies this part for automotive applications where reliability standards are mandated. Selection of this substitute does not require design changes and provides higher inventory availability (37,443 pcs vs. 15,500 pcs for the main part).

PMEG6020ELRX Selection Criteria: This substitute is appropriate when lower reverse leakage current (300 nA vs. 3 µA) provides system-level benefits or when improved forward voltage characteristics (760 mV vs. 780 mV at 2 A) reduce power dissipation. The SOD-123W package requires PCB layout modification compared to the DO-219AB package of the main part. This substitute is suitable for designs where package footprint constraints permit the smaller SOD-123W form factor. All three parts maintain ROHS3 compliance and MSL 1 moisture sensitivity rating, ensuring compatibility with standard manufacturing processes.

Frequently Asked Questions (FAQ)

Q: Can SS2FH6HM3/H be used as a direct replacement for SS2FH6-M3/H without PCB modifications?

A: Yes. Both parts use the DO-219AB package and maintain identical electrical specifications including 60 V reverse voltage, 2 A current rating, 780 mV forward voltage at 2 A, and fast recovery speed. No PCB layout changes are required for this substitution.

Q: What is the primary difference between SS2FH6HM3/H and SS2FH6-M3/H?

A: The SS2FH6HM3/H carries automotive-grade qualification with AEC-Q101 certification, making it suitable for automotive applications. Electrical performance is identical between the two parts.

Q: Can PMEG6020ELRX replace SS2FH6-M3/H in existing designs?

A: PMEG6020ELRX meets the core electrical requirements of 60 V reverse voltage, 2 A current rating, and fast recovery speed. However, the package differs (SOD-123W vs. DO-219AB), requiring PCB footprint modification. The lower reverse leakage current (300 nA vs. 3 µA) and improved forward voltage (760 mV vs. 780 mV) represent electrical improvements suitable for designs where package changes are feasible.

Q: Are all three parts ROHS3 compliant?

A: Yes. SS2FH6-M3/H, SS2FH6HM3/H, and PMEG6020ELRX are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the operating temperature range for each part?

A: SS2FH6-M3/H and SS2FH6HM3/H both specify -55°C to 175°C junction operating temperature. PMEG6020ELRX specifies a maximum junction temperature of 175°C.

Q: Which substitute offers better reverse leakage performance?

A: PMEG6020ELRX specifies 300 nA reverse leakage current at 60 V, compared to 3 µA for both SS2FH6-M3/H and SS2FH6HM3/H. This represents a 10-fold reduction in reverse leakage current.

Q: Do all parts support fast recovery operation?

A: Yes. All three parts (SS2FH6-M3/H, SS2FH6HM3/H, and PMEG6020ELRX) are specified for fast recovery operation with speed ≤ 500ns at > 200mA (Io).

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