FR10A-TP Equivalent & Substitute Parts

Part Overview

The FR10A-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 component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing design support and procurement continuity. The FR10A-TP features fast recovery characteristics with a reverse recovery time of 150 nanoseconds, making it suitable for applications requiring rapid switching performance.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	V
Current - Average Rectified (Io)	10	A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 10 A	V
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	10	µA @ 50 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
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 FR10A-TP is determined by strict alignment of electrical and mechanical parameters. The primary substitution criteria are:

Electrical Parameters:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 50V
Current - Average Rectified (Io): Must equal or exceed 10A
Mounting Type: Must be Surface Mount
Package / Case: Must be DO-214AB or SMC equivalent

Secondary Considerations:

Forward voltage characteristics at rated current
Reverse recovery time classification
Reverse leakage current specifications
Operating temperature range compatibility
Compliance certifications (RoHS3, REACH)

The substitute parts identified maintain compatibility with the FR10A-TP through matching or superior electrical ratings and identical package specifications, ensuring direct replacement capability in existing PCB layouts and thermal management designs.

Parameter Comparison

Parameter	FR10A-TP (Main)	S10A-TP	RS3A-M3/57T
Manufacturer	Micro Commercial Co	Micro Commercial Co	Vishay General Semiconductor - Diodes Division
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	50 V
Current - Average Rectified (Io)	10 A	10 A	3 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 10 A	1.2 V @ 10 A	1.3 V @ 2.5 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	150 ns	-	150 ns
Current - Reverse Leakage @ Vr	10 µA @ 50 V	10 µA @ 50 V	10 µA @ 50 V
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Operating Temperature - Junction	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C
Product Status	Obsolete	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

S10A-TP (Micro Commercial Co): The S10A-TP provides direct electrical equivalence to the FR10A-TP with identical 50V reverse voltage and 10A current ratings. Both components share the DO-214AB SMC package and identical operating temperature range. The S10A-TP exhibits a lower forward voltage drop (1.2V versus 1.3V at 10A), which may reduce power dissipation in applications. However, the S10A-TP is classified as Standard Recovery (>500ns) compared to the FR10A-TP's Fast Recovery (≤500ns) specification. Both parts maintain ROHS3 compliance and MSL 1 rating. The S10A-TP is also classified as obsolete, indicating limited long-term availability.

RS3A-M3/57T (Vishay General Semiconductor - Diodes Division): The RS3A-M3/57T maintains the 50V reverse voltage rating and identical DO-214AB SMC package footprint. This part is currently Active in product status, providing superior long-term availability compared to obsolete alternatives. The RS3A-M3/57T features Fast Recovery characteristics (150ns reverse recovery time) matching the FR10A-TP specification. However, the RS3A-M3/57T is rated for 3A average rectified current, which is below the FR10A-TP's 10A rating. This part is suitable only for applications where the actual current requirement does not exceed 3A. The RS3A-M3/57T maintains ROHS3 compliance and MSL 1 rating, with Tape & Reel packaging available.

For applications requiring the full 10A current capacity with fast recovery characteristics, the S10A-TP provides the closest electrical match. For applications with current requirements of 3A or less, the RS3A-M3/57T offers the advantage of active product status and long-term availability.

Frequently Asked Questions (FAQ)

Q: Can the S10A-TP directly replace the FR10A-TP in all applications?

A: The S10A-TP provides electrical equivalence in voltage rating (50V), current rating (10A), and package type (DO-214AB SMC). Both components share identical operating temperature range (-55 to 150°C) and compliance certifications. The primary difference is the speed classification: the S10A-TP operates as Standard Recovery (>500ns) while the FR10A-TP is Fast Recovery (≤500ns). Direct replacement is suitable for applications where switching speed is not a critical design parameter. Applications requiring fast recovery characteristics should evaluate the RS3A-M3/57T or seek alternative fast recovery diodes rated for 10A.

Q: Why is the RS3A-M3/57T listed as a substitute if it has only 3A current rating?

A: The RS3A-M3/57T is included as a substitute option for applications where the actual operating current does not exceed 3A, despite the FR10A-TP being rated for 10A. This part offers the advantage of Active product status and long-term availability. The RS3A-M3/57T maintains the 50V voltage rating, identical package type, and Fast Recovery characteristics (150ns) matching the FR10A-TP. Selection of this part requires verification that the application's actual current demand does not exceed the 3A rating.

Q: Are all substitute parts compatible with existing PCB layouts designed for the FR10A-TP?

A: Yes. All identified substitute parts use the DO-214AB SMC package, which provides identical footprint and pinout compatibility. PCB layouts designed for the FR10A-TP require no modification for physical placement of S10A-TP or RS3A-M3/57T components. Thermal management considerations remain consistent across all three parts due to identical package specifications.

Q: What is the significance of the forward voltage difference between FR10A-TP (1.3V) and S10A-TP (1.2V)?

A: The forward voltage specification represents the voltage drop across the diode when conducting at the specified current (10A for both parts). The S10A-TP exhibits a 0.1V lower forward voltage drop, resulting in reduced power dissipation in the diode. For a 10A application, this represents a power difference of 1W. Applications with thermal constraints or high-frequency switching may benefit from the lower forward voltage characteristic of the S10A-TP.

Q: Are there compliance or regulatory differences between the substitute parts?

A: All three parts (FR10A-TP, S10A-TP, and RS3A-M3/57T) maintain ROHS3 compliance and REACH Unaffected status. All parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements. Compliance certifications are equivalent across all options.

Q: What is the practical implication of the "Obsolete" product status for S10A-TP?

A: Obsolete status indicates that the manufacturer has discontinued active production and support for the S10A-TP. While inventory may be available from distributors, long-term procurement cannot be guaranteed. For new designs or applications requiring extended component availability, the RS3A-M3/57T (Active status) provides superior long-term supply assurance, provided the 3A current rating meets application requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message