S10A-TP Equivalent & Substitute Parts

Part Overview

The S10A-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 50V DC reverse voltage and 10A average rectified current in a surface mount DO-214AB (SMC) package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The S10A-TP operates across a junction temperature range of -55°C to 150°C and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	50 V
Current - Average Rectified (Io)	10 A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 10 A
Speed	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	10 µA @ 50 V
Mounting Type	Surface Mount
Package / Case	DO-214AB, SMC
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the S10A-TP is determined by the following critical parameters: voltage rating (50V DC reverse), current rating (10A average rectified), package type (DO-214AB SMC surface mount), and operating temperature range (-55°C to 150°C). Parts are grouped into two categories based on current capacity:

Direct Equivalent (10A Rating): The S10AL-TP from Micro Commercial Co maintains identical electrical specifications with the same 50V/10A rating, DO-214AB package, and operating temperature range. This part differs only in recovery speed classification (Fast Recovery ≤500ns versus Standard Recovery >500ns) and packaging format (Tape & Reel versus Cut Tape).

Functional Alternatives (3A to 5A Ratings): Parts rated at 3A or 5A average rectified current share the 50V voltage rating and DO-214AB package but operate at reduced current capacity. These include devices from Comchip Technology (CSFC301-G, CURC301-G), Taiwan Semiconductor Corporation (ES3A), Diodes Incorporated (ES3A-13-F, RS3A-13-F, S3A, S3A-13-F, S5AC-13-F), and Microchip Technology (UFS305J/TR13). Selection from this group requires circuit analysis to confirm current requirements do not exceed the substitute part rating.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (A)	Vf (Max) @ If	Speed	Package	Tj (°C)	Status
S10A-TP	Micro Commercial Co	50 V	10	1.2 V @ 10 A	Standard >500ns	DO-214AB	-55 ~ 150	Obsolete
S10AL-TP	Micro Commercial Co	50 V	10	1.2 V @ 10 A	Fast ≤500ns	DO-214AB	-55 ~ 150	Active
CSFC301-G	Comchip Technology	50 V	3	950 mV @ 3 A	Fast ≤500ns	DO-214AB	-55 ~ 150	Active
CURC301-G	Comchip Technology	50 V	3	1 V @ 3 A	Fast ≤500ns	DO-214AB	-55 ~ 150	Active
ES3A	Taiwan Semiconductor Corporation	50 V	3	950 mV @ 3 A	Fast ≤500ns	DO-214AB	-55 ~ 150	Active
ES3A-13-F	Diodes Incorporated	50 V	3	900 mV @ 3 A	Fast ≤500ns	DO-214AB	-55 ~ 150	Active
RS3A-13-F	Diodes Incorporated	50 V	3	1.3 V @ 3 A	Fast ≤500ns	DO-214AB	-65 ~ 150	Active
S3A	Diodes Incorporated	50 V	3	1.15 V @ 3 A	Standard >500ns	DO-214AB	-65 ~ 150	Obsolete
S3A-13-F	Diodes Incorporated	50 V	3	1.15 V @ 3 A	Standard >500ns	DO-214AB	-65 ~ 150	Active
S5AC-13-F	Diodes Incorporated	50 V	5	1.15 V @ 5 A	Standard >500ns	DO-214AB	-65 ~ 150	Active
UFS305J/TR13	Microchip Technology	50 V	3	950 mV @ 3 A	Fast ≤500ns	DO-214AB	-55 ~ 175	Active

Engineering Selection Recommendations

Primary Equivalent: S10AL-TP is the recommended direct replacement for S10A-TP. Both parts maintain 50V/10A electrical specifications and identical operating temperature range. S10AL-TP is active in production status, ensuring long-term availability. The transition from standard to fast recovery speed does not degrade circuit performance in general-purpose rectification applications. Packaging differs between Cut Tape (S10A-TP) and Tape & Reel (S10AL-TP) formats; verify reel compatibility with assembly equipment.

Current-Reduced Alternatives: When circuit analysis confirms maximum rectified current does not exceed 5A, S5AC-13-F provides an active, production-supported alternative with identical 50V rating and standard recovery characteristics matching the original S10A-TP. This part is available in high inventory (30,200 units) with RoHS3 compliance.

3A Alternatives: For circuits requiring 3A or less, multiple active alternatives exist. ES3A-13-F (Diodes Incorporated) and CSFC301-G (Comchip Technology) offer fast recovery characteristics with RoHS3 compliance. S3A-13-F (Diodes Incorporated) provides standard recovery matching the original S10A-TP recovery speed classification. UFS305J/TR13 (Microchip Technology) extends operating temperature to 175°C maximum but carries RoHS non-compliant status.

Compliance Verification: All recommended substitutes maintain RoHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating. UFS305J/TR13 is RoHS non-compliant and should be selected only when legacy design requirements mandate this part.

Frequently Asked Questions (FAQ)

Q: Can S10AL-TP directly replace S10A-TP without circuit modification?

A: Yes. S10AL-TP maintains identical 50V/10A electrical ratings, operating temperature range (-55°C to 150°C), and DO-214AB package. The recovery speed difference (Fast ≤500ns versus Standard >500ns) does not require circuit changes in general-purpose rectification. Verify packaging format compatibility with assembly equipment, as S10AL-TP uses Tape & Reel format while S10A-TP uses Cut Tape.

Q: What is the maximum current rating for 3A substitute parts?

A: Parts designated as 3A (CSFC301-G, CURC301-G, ES3A, ES3A-13-F, RS3A-13-F, S3A, S3A-13-F, UFS305J/TR13) are rated for 3A average rectified current. These parts are suitable only for circuits where peak and average rectified current does not exceed 3A. Exceeding this rating causes thermal stress and reduced device reliability.

Q: How does recovery speed affect circuit performance?

A: Recovery speed classification (Standard >500ns versus Fast ≤500ns) indicates the time required for the diode to transition from forward conduction to reverse blocking. Standard recovery diodes are suitable for low-frequency and DC rectification applications. Fast recovery diodes reduce switching losses in higher-frequency applications. For general-purpose 50Hz/60Hz rectification, both classifications perform equivalently.

Q: Are all substitute parts RoHS3 compliant?

A: All recommended substitutes except UFS305J/TR13 are RoHS3 compliant. UFS305J/TR13 is RoHS non-compliant and should be selected only when legacy design requirements or specific application constraints mandate this part. Verify RoHS compliance requirements for your application before final part selection.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) & Digi-Reel® packaging supplies components on individual tape segments suitable for manual handling and small-volume assembly. Tape & Reel (TR) packaging supplies components on continuous reels compatible with automated pick-and-place assembly equipment. Verify your assembly process requirements before selecting between packaging formats.

Q: Can S5AC-13-F (5A) be used in place of S10A-TP (10A)?

A: S5AC-13-F is suitable only if circuit analysis confirms maximum rectified current does not exceed 5A. Using a 5A-rated part in a 10A application causes thermal stress, reduced efficiency, and potential device failure. Verify actual circuit current requirements before substitution.

Q: What is the operating temperature range difference between substitutes?

A: S10A-TP and S10AL-TP operate from -55°C to 150°C. Most 3A alternatives (S3A-13-F, S5AC-13-F, RS3A-13-F) extend the lower temperature limit to -65°C. UFS305J/TR13 extends the upper limit to 175°C. Verify your application's temperature requirements before final selection.

Q: Is inventory availability a factor in part selection?

A: Yes. S5AC-13-F maintains the highest inventory (30,200 units), followed by S3A-13-F (15,200 units) and ES3A (17,100 units). S10AL-TP (3,784 units) provides the direct 10A equivalent with adequate stock. Lower-inventory parts (UFS305J/TR13 at 907 units) may face longer lead times for large-volume orders.

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