Equivalent & Substitute Parts for S3M-TP General Purpose Rectifier Diode

Part Overview

The S3M-TP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 1000 V DC reverse voltage and 3 A average rectified current in a surface mount SMC (DO-214AB) package. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level. Alternative equivalent and substitute parts are necessary to address supply chain flexibility, packaging preferences, and application-specific performance requirements while maintaining electrical and mechanical compatibility within the 1000 V / 3 A rectifier diode category.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	1000	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 3 A	V
Speed Classification	Standard Recovery >500ns, > 200mA (Io)	-
Current - Reverse Leakage @ Vr	10	µA @ 1000 V
Package / Case	DO-214AB, SMC	-
Operating Temperature - Junction	-55°C ~ 150°C	°C
Mounting Type	Surface Mount	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the S3M-TP are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalents (Same Package DO-214AB SMC, Identical Electrical Ratings): Parts that maintain 1000 V reverse voltage, 3 A average rectified current, standard recovery speed classification, and DO-214AB SMC package form factor. These parts differ only in packaging format (Cut Tape vs. Tape & Reel) and minor forward voltage specifications within acceptable operating ranges.

Package Upgrade (DO-214AA SMB Package, Identical Electrical Ratings): Parts that maintain 1000 V reverse voltage and 3 A average rectified current but use the larger SMB (DO-214AA) package. These are suitable for applications where package size is not a constraint and offer alternative sourcing options.

Similar Performance (Same Electrical Ratings, Different Recovery Speed or Voltage Class): Parts that maintain 1000 V reverse voltage and 3 A average rectified current but feature fast recovery speed classification (≤500ns) or lower voltage ratings (800 V). These are applicable in designs where recovery speed performance is beneficial or where voltage derating is acceptable.

Key Parameters Determining Substitution:

Voltage - DC Reverse (Vr) (Max): 1000 V minimum required
Current - Average Rectified (Io): 3 A minimum required
Package / Case: DO-214AB SMC (primary), DO-214AA SMB (upgrade)
Speed Classification: Standard Recovery or Fast Recovery acceptable
Operating Temperature Range: -55°C to 150°C minimum required
RoHS Status: ROHS3 Compliant required

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) @ If	Speed	Package	Temp Range °C	Inventory Pcs
S3M-TP	Micro Commercial Co	1000	3	1.2 V @ 3 A	Standard >500ns	DO-214AB SMC	-55 ~ 150	321300
S3M-E3/57T	Vishay General Semiconductor	1000	3	1.15 V @ 2.5 A	Standard >500ns	DO-214AB SMC	-55 ~ 150	34200
S3M-E3/9AT	Vishay General Semiconductor	1000	3	1.15 V @ 2.5 A	Standard >500ns	DO-214AB SMC	-55 ~ 150	24300
S3MB-13-F	Diodes Incorporated	1000	3	1.15 V @ 3 A	Standard >500ns	DO-214AA SMB	-65 ~ 150	155200
CMR3-10 TR13 PBFREE	Central Semiconductor Corp	1000	3	1.2 V @ 3 A	Standard >500ns	DO-214AB SMC	-65 ~ 175	1809
CMR3U-10 TR13 PBFREE	Central Semiconductor Corp	1000	3	1.7 V @ 3 A	Fast ≤500ns	DO-214AB SMC	-65 ~ 175	2400
CURC307-G	Comchip Technology	1000	3	1.7 V @ 3 A	Fast ≤500ns	DO-214AB SMC	-55 ~ 150	12100
RS3K-13-F	Diodes Incorporated	800	3	1.3 V @ 3 A	Fast ≤500ns	DO-214AB SMC	-65 ~ 150	10179
RS3M-13-F	Diodes Incorporated	1000	3	1.3 V @ 3 A	Fast ≤500ns	DO-214AB SMC	-65 ~ 150	80400
RS3MB-13-F	Diodes Incorporated	1000	3	1.3 V @ 3 A	Fast ≤500ns	DO-214AA SMB	-65 ~ 150	10300
S3M-13-F	Diodes Incorporated	1000	3	1.15 V @ 3 A	Standard >500ns	DO-214AB SMC	-65 ~ 150	15100

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical and Package Specifications):

S3M-E3/57T and S3M-E3/9AT from Vishay General Semiconductor are direct equivalents maintaining 1000 V reverse voltage, 3 A average rectified current, standard recovery speed, and DO-214AB SMC package. Both parts are Active product status with ROHS3 compliance. S3M-E3/9AT offers additional packaging flexibility with Cut Tape & Digi-Reel® format. Forward voltage is slightly lower (1.15 V @ 2.5 A) compared to the S3M-TP specification.

S3M-13-F from Diodes Incorporated provides equivalent electrical performance with standard recovery speed classification and DO-214AB SMC package. This part maintains 1000 V reverse voltage and 3 A current rating with forward voltage of 1.15 V @ 3 A. Operating temperature range extends to -65°C, providing enhanced low-temperature performance.

For Package Upgrade Applications:

S3MB-13-F and RS3MB-13-F are suitable when the larger SMB (DO-214AA) package is acceptable. Both maintain 1000 V reverse voltage and 3 A current specifications. S3MB-13-F features standard recovery speed, while RS3MB-13-F provides fast recovery speed classification. Both are ROHS3 compliant with Active product status.

For Fast Recovery Speed Applications:

RS3M-13-F from Diodes Incorporated maintains 1000 V reverse voltage and 3 A current with fast recovery speed (≤500ns, 500 ns trr). This part is suitable for applications requiring improved switching performance. CURC307-G from Comchip Technology offers ultrafast recovery (75 ns) with the same voltage and current ratings in DO-214AB SMC package.

For Voltage-Derated Applications:

RS3K-13-F is applicable only in designs where 800 V reverse voltage rating is sufficient. This part maintains 3 A current with fast recovery speed classification and is not recommended as a direct substitute for 1000 V applications.

Compliance and Certification:

All substitute parts listed maintain ROHS3 compliance and Unlimited moisture sensitivity level (MSL 1), matching the S3M-TP specifications. All parts are classified as Active product status. REACH status is Unaffected for all parts, and ECCN classification is EAR99 across all alternatives.

Frequently Asked Questions (FAQ)

Q: Can S3M-E3/57T and S3M-E3/9AT be used as direct replacements for S3M-TP?

A: Yes. Both Vishay parts maintain identical electrical ratings (1000 V, 3 A, standard recovery speed) and DO-214AB SMC package. The primary difference is packaging format: S3M-E3/57T is supplied in Cut Tape, while S3M-E3/9AT offers Cut Tape & Digi-Reel® format. Forward voltage specification is 1.15 V @ 2.5 A, which is within acceptable operating parameters.

Q: What is the difference between SMC and SMB packages?

A: SMC (DO-214AB) and SMB (DO-214AA) are both surface mount packages for rectifier diodes. SMB is physically larger than SMC. Parts with SMB package designation (S3MB-13-F, RS3MB-13-F) are suitable for applications where package size is not a constraint. Electrical ratings remain identical at 1000 V and 3 A.

Q: Can fast recovery diodes (RS3M-13-F, CURC307-G) replace standard recovery diodes (S3M-TP)?

A: Yes, in most applications. Fast recovery diodes have shorter reverse recovery time (500 ns for RS3M-13-F, 75 ns for CURC307-G) compared to standard recovery (>500 ns). This provides improved switching performance and reduced switching losses. Forward voltage may be slightly higher (1.3 V to 1.7 V depending on part). Verify application requirements for switching frequency and thermal performance.

Q: Is RS3K-13-F compatible with S3M-TP?

A: No. RS3K-13-F has a maximum reverse voltage rating of 800 V, while S3M-TP is rated for 1000 V. This part is not suitable as a direct substitute for 1000 V applications. Use only in designs where 800 V rating is acceptable and voltage derating is confirmed.

Q: What are the inventory considerations for substitute selection?

A: S3M-TP has the highest inventory at 321,300 pieces. Among direct equivalents, S3M-E3/57T (34,200 pcs) and S3M-E3/9AT (24,300 pcs) offer reasonable availability. For alternative sourcing, RS3M-13-F (80,400 pcs) and S3MB-13-F (155,200 pcs) provide substantial inventory. CMR3-10 (1,809 pcs) and CMR3U-10 (2,400 pcs) have limited availability.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance matching the S3M-TP specification. Moisture sensitivity level is Unlimited (MSL 1) for all parts. REACH status is Unaffected across all alternatives.

Q: What is the operating temperature range consideration for substitute selection?

A: S3M-TP operates from -55°C to 150°C. Most substitute parts extend the lower temperature limit to -65°C (S3M-13-F, S3MB-13-F, RS3M-13-F, RS3MB-13-F, RS3K-13-F, CMR3-10, CMR3U-10), providing enhanced cold-temperature performance. CURC307-G specifies 150°C maximum only. Verify application temperature requirements before selection.

Q: Can packaging format (Tape & Reel vs. Cut Tape) affect substitution decisions?

A: Yes. S3M-TP is supplied in Tape & Reel (TR) format. Direct equivalents S3M-E3/57T (Cut Tape) and S3M-E3/9AT (Cut Tape & Digi-Reel®) offer different packaging. For automated assembly processes requiring Tape & Reel format, CMR3-10 and CMR3U-10 from Central Semiconductor are available in TR packaging. Verify assembly equipment compatibility before selection.

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