S15JC M6G Equivalent & Substitute Parts

Part Overview

The S15JC M6G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 600 V DC reverse voltage and 15 A average rectified current in a surface mount DO-214AB (SMC) package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design requirements and production needs. Alternative parts must maintain electrical compatibility within the specified voltage and current parameters while accommodating packaging and thermal requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	15	A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 15 A	V
Speed	Standard Recovery >500ns, > 200mA (Io)	-
Current - Reverse Leakage @ Vr	1	µA @ 600 V
Capacitance @ Vr, F	93	pF @ 4V, 1MHz
Mounting Type	Surface Mount	-
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

Substitution of the S15JC M6G is determined by the following critical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 600 V
Current - Average Rectified (Io): Must equal or exceed 15 A
Package / Case: Must be DO-214AB (SMC) surface mount
Mounting Type: Must be surface mount compatible

Secondary Compatibility Factors:

Voltage - Forward (Vf): Lower values preferred for efficiency; values up to 1.1 V @ rated current are acceptable
Recovery Speed: Standard recovery characteristics (>500ns) maintain compatibility
Operating Temperature Range: Must accommodate -55°C to 150°C junction temperature range
RoHS and MSL Compliance: ROHS3 compliance and MSL 1 required for environmental and handling standards

Substitution Grouping:

Group 1 - Direct Equivalent (15A Rating): The S15JC from Taiwan Semiconductor Corporation is the direct equivalent, available in active product status with tape and reel packaging.

Group 2 - Lower Current Ratings (3A to 5A): Parts rated for 3 A or 5 A average rectified current (ACGRC305-HF, CFRC305-G, CGRC505-G, CSFC305-G, CURC305-G, ER3J-TP, ES3J, FR3J-TP, MURS360-E3/57T) share the 600 V voltage rating and DO-214AB package but operate at reduced current capacity. These are suitable only for applications where the circuit design permits lower current ratings or where the 15 A part is over-specified.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	Package	Temp Range [°C]	Product Status
S15JC M6G	Taiwan Semiconductor	600	15	1.1 @ 15A	Standard >500ns	DO-214AB	-55 to 150	Discontinued
S15JC	Taiwan Semiconductor	600	15	1.1 @ 15A	Standard >500ns	DO-214AB	-55 to 150	Active
ACGRC305-HF	Comchip Technology	600	3	1.15 @ 3A	Standard >500ns	DO-214AB	-55 to 150	Active
CFRC305-G	Comchip Technology	600	3	1.3 @ 3A	Fast ≤500ns	DO-214AB	-55 to 150	Active
CGRC505-G	Comchip Technology	600	5	1.15 @ 5A	Standard >500ns	DO-214AB	-55 to 150	Active
CSFC305-G	Comchip Technology	600	3	1.3 @ 3A	Fast ≤500ns	DO-214AB	-55 to 150	Active
CURC305-G	Comchip Technology	600	3	1.7 @ 3A	Fast ≤500ns	DO-214AB	-55 to 150	Active
ER3J-TP	Micro Commercial Co	600	3	1.7 @ 3A	Fast ≤500ns	DO-214AB	-50 to 175	Active
ES3J	Good-Ark Semiconductor	600	3	1.7 @ 3A	Fast ≤500ns	DO-214AB	-55 to 150	Active
FR3J-TP	Micro Commercial Co	600	3	1.3 @ 3A	Fast ≤500ns	DO-214AB	-55 to 150	Active
MURS360-E3/57T	Vishay General Semiconductor	600	3	1.28 @ 3A	Fast ≤500ns	DO-214AB	-65 to 175	Active

Engineering Selection Recommendations

Primary Selection - Direct Equivalent:

The S15JC (tape and reel packaging) from Taiwan Semiconductor Corporation is the direct functional equivalent to the discontinued S15JC M6G. This part maintains identical electrical specifications including 600 V reverse voltage, 15 A average rectified current, 1.1 V forward voltage at 15 A, and standard recovery speed characteristics. The S15JC is in active product status with 3865 pieces in stock, ensuring supply continuity. RoHS3 compliance and MSL 1 rating match the original specification. This part is the recommended primary selection for direct replacement.

Alternative Selection - Current-Limited Applications:

For applications where circuit design permits operation at reduced current levels, the following parts provide 600 V voltage rating compatibility in the DO-214AB package with active product status:

CGRC505-G (Comchip Technology): 5 A rating with standard recovery speed and 1.15 V forward voltage at 5 A. Suitable for designs operating at 5 A or below.
MURS360-E3/57T (Vishay General Semiconductor): 3 A rating with fast recovery speed (75 ns), 1.28 V forward voltage at 3 A, and extended temperature range (-65°C to 175°C). Suitable for designs operating at 3 A or below with enhanced thermal performance requirements.

Compliance Verification:

All recommended parts maintain ROHS3 compliance and MSL 1 (unlimited moisture sensitivity) ratings. Operating temperature ranges accommodate the original -55°C to 150°C specification, with some alternatives providing extended ranges. All parts are packaged in DO-214AB (SMC) surface mount configuration.

Frequently Asked Questions (FAQ)

Q: Can I use a 3 A rated diode as a substitute for the 15 A S15JC M6G?

A: No. The 3 A rated parts (ACGRC305-HF, CFRC305-G, CSFC305-G, CURC305-G, ER3J-TP, ES3J, FR3J-TP, MURS360-E3/57T) are not suitable substitutes for the 15 A application. These parts are rated for maximum 3 A average rectified current and will not safely conduct 15 A. Substitution is only valid when the circuit design operates at or below the substitute part's current rating.

Q: What is the difference between standard recovery and fast recovery diodes?

A: The S15JC M6G specifies standard recovery with >500 ns recovery time. Some substitute parts offer fast recovery (≤500 ns). Fast recovery diodes have shorter reverse recovery times, which reduces switching losses in high-frequency applications but may not be necessary for standard rectification circuits. Standard recovery parts are functionally compatible with fast recovery specifications in most applications.

Q: Are all substitute parts available in the same packaging?

A: Yes. All listed substitute parts use the DO-214AB (SMC) surface mount package, maintaining mechanical and thermal compatibility with the original S15JC M6G. Packaging variations exist only in tape and reel versus cut tape configurations, which affect handling and assembly but not electrical performance.

Q: Does the S15JC in tape and reel packaging differ electrically from the S15JC M6G?

A: No. The S15JC and S15JC M6G are electrically identical. The difference is packaging format: S15JC M6G was supplied in a specific packaging configuration (now discontinued), while S15JC is the active equivalent supplied in tape and reel format. Electrical specifications, performance characteristics, and compliance ratings are identical.

Q: What is MSL 1 (Unlimited) and why does it matter?

A: MSL (Moisture Sensitivity Level) 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All recommended parts carry MSL 1 rating, ensuring compatibility with standard manufacturing and storage practices without requiring specialized dry-pack or bake-out procedures.

Q: Can I substitute parts with different forward voltage ratings?

A: Forward voltage differences affect power dissipation and thermal performance but do not prevent substitution if the current rating is adequate. The S15JC M6G specifies 1.1 V @ 15 A. Substitute parts with higher forward voltages (such as 1.7 V) will dissipate more power as heat. This is acceptable only if thermal design accommodates the increased dissipation. Lower forward voltages improve efficiency.

Q: Why is the S15JC recommended over lower-current alternatives?

A: The S15JC maintains the original 15 A current rating, ensuring the part can safely handle the full design current without derating or thermal stress. Lower-current alternatives require circuit redesign or operation at reduced current levels, introducing design risk and potential performance degradation. Direct equivalent substitution eliminates these concerns.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message