S3D-TP General Purpose Rectifier Diode 200V 3A SMC Equivalent & Substitute Parts

Part Overview

The S3D-TP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 200V DC reverse voltage and 3A average rectified current in a surface mount SMC (DO-214AB) package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Identification of equivalent and substitute parts is necessary to support existing designs, facilitate production continuity, and enable migration to active product alternatives that meet the same electrical and mechanical requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 3 A	V
Speed	Standard Recovery >500ns, > 200mA (Io)	-
Current - Reverse Leakage @ Vr	10	µA @ 200 V
Package / Case	DO-214AB, SMC	-
Mounting Type	Surface Mount	-
Operating Temperature - Junction	-55°C ~ 150°C	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the S3D-TP are grouped based on strict electrical and mechanical compatibility criteria. All substitute candidates must satisfy the following core parameters:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 3 A
Package / Case: DO-214AB, SMC (or compatible surface mount package)
Mounting Type: Surface Mount
Operating Temperature Range: Minimum -55°C to +150°C junction temperature capability
RoHS3 Compliance
MSL Rating: 1 (Unlimited)

Allowable Variations:

Voltage - Forward (Vf) (Max): Substitute parts may exhibit forward voltage between 1.15 V and 1.3 V at rated current without functional impact
Speed Classification: Both Standard Recovery (>500ns) and Fast Recovery (≤500ns) types are acceptable as substitutes, as both meet the 200mA threshold
Reverse Recovery Time (trr): Provided when available; faster recovery times indicate improved performance characteristics
Current - Reverse Leakage @ Vr: Acceptable range 5 µA to 10 µA at 200 V
Capacitance @ Vr: Variation acceptable when specified

Substitute parts are classified into three categories: Direct Substitutes (identical electrical and package specifications), Upgrade Options (enhanced performance or package format), and Similar Alternatives (equivalent electrical performance with minor parameter variations).

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	Speed	Reverse Leakage @ Vr [µA]	Package	Product Status	Inventory [Pcs]
S3D-TP	Micro Commercial Co	200	3	1.2 @ 3 A	Standard >500ns	10 @ 200 V	DO-214AB, SMC	Not For New Designs	24368
RS3D-E3/57T	Vishay General Semiconductor	200	3	1.3 @ 2.5 A	Fast ≤500ns	10 @ 200 V	DO-214AB, SMC	Active	15200
RS3D-E3/9AT	Vishay General Semiconductor	200	3	1.3 @ 2.5 A	Fast ≤500ns	10 @ 200 V	DO-214AB, SMC	Active	691
RS3D-M3/57T	Vishay General Semiconductor	200	3	1.3 @ 2.5 A	Fast ≤500ns	10 @ 200 V	DO-214AB, SMC	Active	778
RS3D-M3/9AT	Vishay General Semiconductor	200	3	1.3 @ 2.5 A	Fast ≤500ns	10 @ 100 V	DO-214AB, SMC	Active	811
S3D-E3/57T	Vishay General Semiconductor	200	3	1.15 @ 2.5 A	Standard >500ns	10 @ 200 V	DO-214AB, SMC	Active	17200
S3D-E3/9AT	Vishay General Semiconductor	200	3	1.15 @ 2.5 A	Standard >500ns	10 @ 200 V	DO-214AB, SMC	Active	704
S3DB-13-F	Diodes Incorporated	200	3	1.15 @ 3 A	Standard >500ns	10 @ 200 V	DO-214AA, SMB	Active	70100
CFRC303-G	Comchip Technology	200	3	1.3 @ 3 A	Fast ≤500ns	5 @ 200 V	DO-214AB, SMC	Active	689
CMR3-02 BK PBFREE	Central Semiconductor Corp	200	3	1.2 @ 3 A	Standard >500ns	5 @ 200 V	DO-214AB, SMC	Active	1066
CMR3-02 TR13 PBFREE	Central Semiconductor Corp	200	3	1.2 @ 3 A	Standard >500ns	5 @ 200 V	DO-214AB, SMC	Active	6671

Engineering Selection Recommendations

Direct Substitutes (Preferred for Existing Designs):

The Vishay General Semiconductor S3D-E3/57T and S3D-E3/9AT parts are direct substitutes for the S3D-TP. Both maintain identical voltage and current ratings, the same DO-214AB SMC package, and standard recovery speed classification. These parts are Active products with ROHS3 compliance and MSL 1 rating. S3D-E3/57T offers higher inventory availability (17200 pcs) in Cut Tape packaging, while S3D-E3/9AT is available in Tape & Reel format (704 pcs). Forward voltage is slightly lower (1.15 V @ 2.5 A versus 1.2 V @ 3 A), representing improved efficiency characteristics.

Active Alternatives with Fast Recovery:

The Vishay RS3D series (RS3D-E3/57T, RS3D-E3/9AT, RS3D-M3/57T, RS3D-M3/9AT) provides Active product alternatives with fast recovery characteristics (≤500ns). These parts meet all mandatory electrical parameters and package requirements. Fast recovery speed may provide performance benefits in switching applications. Reverse leakage is equivalent at 10 µA @ 200 V. Inventory availability ranges from 691 to 15200 pcs depending on tape format selection.

Package Format Upgrade Option:

The S3DB-13-F from Diodes Incorporated represents an upgrade option with a larger SMB (DO-214AA) package format while maintaining 200V/3A electrical specifications. This part is Active with extensive inventory (70100 pcs). The SMB package provides improved thermal dissipation and mechanical robustness compared to SMC. Forward voltage is 1.15 V @ 3 A. This option is suitable for applications where package size constraints do not apply and enhanced thermal performance is beneficial.

Alternative Manufacturers:

Comchip Technology CFRC303-G and Central Semiconductor CMR3-02 variants provide equivalent electrical performance from alternative manufacturers. Both maintain 200V/3A ratings in DO-214AB SMC packages with Active product status. CFRC303-G exhibits fast recovery characteristics with lower reverse leakage (5 µA @ 200 V). CMR3-02 variants are available in both Bulk and Tape & Reel packaging with extended operating temperature range (-65°C to +175°C junction). These options support supply chain diversification.

Product Status Consideration:

All recommended substitute parts carry Active product status, ensuring long-term availability and manufacturing support. The original S3D-TP is classified as "Not For New Designs," making migration to Active alternatives necessary for sustained production and design continuity.

Frequently Asked Questions (FAQ)

Q: Can RS3D series fast recovery diodes directly replace the S3D-TP standard recovery diode?

A: Yes. Both fast recovery (≤500ns) and standard recovery (>500ns) types meet the 200mA threshold requirement and are functionally compatible at the 200V/3A rating. Fast recovery variants may provide improved performance in high-frequency switching applications, but standard recovery types are equally valid substitutes for general purpose rectification.

Q: What is the difference between S3D-E3/57T (Cut Tape) and S3D-E3/9AT (Tape & Reel) packaging?

A: Both parts are electrically identical with the same DO-214AB SMC package. The difference is in the tape format: Cut Tape (CT) is supplied in individual strips, while Tape & Reel (TR) is wound on reels for automated assembly. Selection depends on manufacturing process requirements. S3D-E3/57T offers higher inventory (17200 pcs) in Cut Tape format.

Q: Is the S3DB-13-F SMB package compatible with existing S3D-TP SMC footprints?

A: No. The S3DB-13-F uses DO-214AA (SMB) package, which has different physical dimensions and PCB footprint compared to the DO-214AB (SMC) package of the S3D-TP. SMB is larger than SMC. This option requires PCB redesign and is suitable only for new designs or board revisions where package size constraints do not apply.

Q: What is the significance of the forward voltage difference between S3D-TP (1.2 V @ 3 A) and S3D-E3/57T (1.15 V @ 2.5 A)?

A: The forward voltage specifications are measured at different current levels. S3D-E3/57T exhibits lower forward voltage (1.15 V) at 2.5 A, indicating improved efficiency. At the full 3 A rating, forward voltage would be slightly higher but remains within acceptable rectifier diode performance parameters. This variation does not affect functional compatibility.

Q: Are Comchip CFRC303-G and Central Semiconductor CMR3-02 suitable for critical applications?

A: Yes. Both parts are ROHS3 compliant, MSL 1 rated, and carry Active product status. Comchip CFRC303-G exhibits lower reverse leakage (5 µA @ 200 V) compared to the S3D-TP (10 µA @ 200 V), representing improved leakage characteristics. Central Semiconductor CMR3-02 variants support extended operating temperature range (-65°C to +175°C), providing additional thermal margin. Selection depends on specific application requirements and supply chain preferences.

Q: What inventory considerations should guide part selection?

A: S3D-E3/57T (Vishay, 17200 pcs) and S3DB-13-F (Diodes, 70100 pcs) offer the highest inventory availability. For applications requiring SMC package format, S3D-E3/57T is the preferred choice. CMR3-02 TR13 PBFREE (Central Semiconductor, 6671 pcs) provides a secondary option with extended temperature range. Inventory levels should be evaluated against production volume and supply chain continuity requirements.

Q: Can the S3D-TP be used interchangeably with RS3D-M3/9AT if reverse leakage specification differs?

A: The RS3D-M3/9AT specifies reverse leakage at 100 V rather than 200 V. At the full 200 V rating, reverse leakage would be higher than the specified 10 µA @ 100 V. For applications where reverse leakage at full voltage rating is a critical parameter, this part should be evaluated against specific circuit requirements. The S3D-E3/57T or S3D-E3/9AT are preferred alternatives with confirmed 10 µA @ 200 V specification.

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