S5M M6G Equivalent & Substitute Parts

Part Overview

The S5M M6G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 1000 V DC reverse voltage and 5 A average rectified current in a DO-214AB (SMC) surface mount package. This part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while supporting equivalent mounting and packaging requirements.

Key Parameters

Parameter	S5M M6G	Unit
Voltage - DC Reverse (Vr) (Max)	1000	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	1.15 @ 5 A	V
Speed	Standard Recovery >500ns, > 200mA (Io)	-
Current - Reverse Leakage @ Vr	10 @ 1000 V	µA
Package / Case	DO-214AB, SMC	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical parameter alignment with the S5M M6G:

Direct Substitutes (5 A Current Rating)

Direct substitutes maintain the full 5 A average rectified current specification, identical reverse voltage rating of 1000 V, and equivalent forward voltage characteristics. These parts are pin-compatible and functionally interchangeable in applications designed for the S5M M6G. All direct substitutes use the DO-214AB (SMC) package format and comply with ROHS3 and MSL 1 requirements.

Key parameters for direct substitution:

Voltage - DC Reverse (Vr) (Max): 1000 V
Current - Average Rectified (Io): 5 A
Voltage - Forward (Vf) (Max) @ If: 1.15 V to 1.2 V @ 5 A
Package / Case: DO-214AB, SMC
Current - Reverse Leakage @ Vr: 10 µA @ 1000 V

Similar Parts (3 A Current Rating)

Similar parts operate at reduced current capacity (3 A instead of 5 A) while maintaining the 1000 V reverse voltage specification. These parts are suitable for applications with lower current requirements or as design alternatives where thermal or space constraints permit current derating. Similar parts include variants in both SMC (DO-214AB) and SMB (DO-214AA) package formats.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) @ If (V)	Package	Temp Range (°C)	Status
S5M M6G	Taiwan Semiconductor Corporation	1000	5	1.15 @ 5 A	DO-214AB, SMC	-55 to 150	Discontinued
CGRC507-G	Comchip Technology	1000	5	1.15 @ 5 A	DO-214AB, SMC	-40 to 150	Active
S5MC-13-F	Diodes Incorporated	1000	5	1.15 @ 5 A	DO-214AB, SMC	-65 to 150	Active
S5ML-TP	Micro Commercial Co	1000	5	1.2 @ 5 A	DO-214AB, SMC	-55 to 150	Active
RS3M-13-F	Diodes Incorporated	1000	3	1.3 @ 3 A	DO-214AB, SMC	-65 to 150	Active
RS3MB-13-F	Diodes Incorporated	1000	3	1.3 @ 3 A	DO-214AA, SMB	-65 to 150	Active
S3M-13-F	Diodes Incorporated	1000	3	1.15 @ 3 A	DO-214AB, SMC	-65 to 150	Active
S3M-TP	Micro Commercial Co	1000	3	1.2 @ 3 A	DO-214AB, SMC	-55 to 150	Active
S3MB-13-F	Diodes Incorporated	1000	3	1.15 @ 3 A	DO-214AA, SMB	-65 to 150	Active
S3MHE3_A/H	Vishay General Semiconductor - Diodes Division	1000	3	1.15 @ 2.5 A	DO-214AB, SMC	-55 to 150	Active
S3MHE3_A/I	Vishay General Semiconductor - Diodes Division	1000	3	1.15 @ 2.5 A	DO-214AB, SMC	-55 to 150	Active

Engineering Selection Recommendations

For Direct Current Replacement (5 A Applications)

Select from CGRC507-G, S5MC-13-F, or S5ML-TP when the application requires full 5 A average rectified current capacity and DO-214AB (SMC) package compatibility. All three parts are active products with ROHS3 compliance and MSL 1 rating.

CGRC507-G (Comchip Technology) operates across -40°C to 150°C junction temperature range and is available in Tape & Reel packaging.

S5MC-13-F (Diodes Incorporated) provides the widest operating temperature range (-65°C to 150°C) and is available in Cut Tape & Digi-Reel format with 15,400 pieces in stock.

S5ML-TP (Micro Commercial Co) maintains the original -55°C to 150°C temperature range and is supplied in Tape & Reel format with 4,200 pieces in stock. Forward voltage is specified at 1.2 V @ 5 A, representing a 0.05 V increase over the original specification.

For Current-Derated Applications (3 A or Lower)

Select from S3M-13-F, S3M-TP, S3MB-13-F, S3MHE3_A/H, or S3MHE3_A/I when circuit requirements permit operation at 3 A average rectified current. These parts maintain 1000 V reverse voltage rating and ROHS3 compliance.

S3M-13-F and S3MB-13-F (Diodes Incorporated) offer the widest temperature range (-65°C to 150°C). S3M-13-F uses DO-214AB (SMC) package; S3MB-13-F uses DO-214AA (SMB) package.

S3M-TP (Micro Commercial Co) provides the highest inventory availability (321,300 pieces) in DO-214AB (SMC) package with -55°C to 150°C operating range.

S3MHE3_A/H and S3MHE3_A/I (Vishay General Semiconductor - Diodes Division) are automotive-grade parts with AEC-Q101 qualification, suitable for applications requiring automotive component standards.

Frequently Asked Questions (FAQ)

Q: Can CGRC507-G, S5MC-13-F, or S5ML-TP be used as direct replacements for S5M M6G?

A: Yes. CGRC507-G, S5MC-13-F, and S5ML-TP are direct substitutes. All three maintain 1000 V reverse voltage, 5 A average rectified current, and DO-214AB (SMC) package compatibility. Forward voltage specifications range from 1.15 V to 1.2 V @ 5 A, which is within acceptable tolerance for general-purpose rectifier applications. All parts are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between DO-214AB (SMC) and DO-214AA (SMB) packages?

A: DO-214AB (SMC) and DO-214AA (SMB) are distinct surface mount package formats with different physical dimensions and land patterns. Parts specified for DO-214AB (SMC) package cannot be directly substituted with DO-214AA (SMB) variants without PCB redesign. RS3MB-13-F and S3MB-13-F use DO-214AA (SMB) package and require different PCB footprints than the original S5M M6G.

Q: Can 3 A rated parts (S3M series) replace the 5 A rated S5M M6G?

A: 3 A rated parts are suitable only for applications where circuit current requirements do not exceed 3 A. These parts cannot be used in designs requiring the full 5 A capacity of the original S5M M6G. Current derating must be verified against circuit specifications before substitution.

Q: What is the significance of the operating temperature range difference between parts?

A: Operating temperature range defines the junction temperature limits within which the diode maintains specified electrical characteristics. S5MC-13-F operates from -65°C to 150°C, providing wider low-temperature capability than S5M M6G (-55°C to 150°C). For applications operating below -55°C, S5MC-13-F is required. For applications within -55°C to 150°C range, all direct substitutes are acceptable.

Q: Are automotive-grade parts (S3MHE3_A/H, S3MHE3_A/I) interchangeable with standard-grade parts?

A: Automotive-grade parts with AEC-Q101 qualification meet additional reliability and testing requirements beyond standard industrial parts. Automotive-grade parts can be used in standard applications, but standard-grade parts should not be substituted into automotive applications. S3MHE3_A/H and S3MHE3_A/I are 3 A rated and suitable only for applications permitting current derating.

Q: What packaging formats are available for the direct substitutes?

A: CGRC507-G is supplied in Tape & Reel (TR) format. S5MC-13-F is supplied in Cut Tape (CT) & Digi-Reel format. S5ML-TP is supplied in Tape & Reel (TR) format. Packaging format selection depends on assembly process requirements and volume specifications.

Q: How do forward voltage specifications affect circuit performance?

A: Forward voltage (Vf) determines the voltage drop across the diode during conduction. S5M M6G specifies 1.15 V @ 5 A; S5ML-TP specifies 1.2 V @ 5 A. The 0.05 V difference represents approximately 4% increase in forward voltage drop. For precision rectification circuits or applications with tight voltage regulation requirements, this difference must be evaluated against circuit tolerance specifications.

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