S10B-TP Equivalent & Substitute Parts

Part Overview

The S10B-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 100V DC reverse voltage and 10A average rectified current in a DO-214AB surface mount package. This part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. Substitute parts must maintain compatibility with the 100V voltage rating and surface mount DO-214AB packaging while accommodating variations in current capacity and recovery characteristics.

Key Parameters

Parameter	S10B-TP Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	10	A
Voltage - Forward (Vf) (Max) @ If	1.2 @ 10	V @ A
Speed	Standard Recovery >500ns	-
Current - Reverse Leakage @ Vr	10	µA @ 100V
Mounting Type	Surface Mount	-
Package / Case	DO-214AB, SMC	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-
Product Status	Obsolete	-

Substitute Part Grouping Explanation

Substitution of the S10B-TP is constrained by the following critical parameters:

Mandatory Compatibility Parameters:

Voltage - DC Reverse (Vr) (Max): 100V minimum
Mounting Type: Surface Mount
Package / Case: DO-214AB or SMC equivalent
RoHS Status: ROHS3 Compliant preferred for regulatory alignment

Current Rating Considerations: The S10B-TP is rated for 10A average rectified current. Substitute parts are grouped into two categories:

Direct Current Equivalents (10A rated): Parts maintaining the 10A current specification provide direct functional replacement without circuit redesign.
Reduced Current Equivalents (3A to 5A rated): Parts with lower current ratings (3A or 5A) are suitable for applications where the circuit design accommodates reduced current capacity. These substitutes maintain the 100V voltage rating and DO-214AB packaging but operate within lower current envelopes.

Recovery Speed Variations: The S10B-TP employs standard recovery characteristics (>500ns). Substitute parts include both standard recovery and fast recovery (<500ns) variants. Fast recovery diodes exhibit improved switching performance but are electrically compatible at the specified voltage and package level.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	Speed	Package	Temp Range [°C]	Product Status	RoHS
S10B-TP	Micro Commercial Co	100	10	1.2 @ 10A	Standard >500ns	DO-214AB	-55 to 150	Obsolete	ROHS3
S5BC-13-F	Diodes Incorporated	100	5	1.15 @ 5A	Standard >500ns	DO-214AB	-65 to 150	Active	ROHS3
UFS510J/TR13	Microchip Technology	100	5	0.95 @ 5A	Fast ≤500ns	DO-214AB	-55 to 175	Active	Non-compliant
UFS510JE3/TR13	Microchip Technology	100	5	0.95 @ 5A	Fast ≤500ns	DO-214AB	-55 to 175	Active	Non-compliant
ES3B-13-F	Diodes Incorporated	100	3	0.9 @ 3A	Fast ≤500ns	DO-214AB	-55 to 150	Active	ROHS3
CSFC302-G	Comchip Technology	100	3	0.95 @ 3A	Fast ≤500ns	DO-214AB	-55 to 150	Active	ROHS3
CURC302-G	Comchip Technology	100	3	1.0 @ 3A	Fast ≤500ns	DO-214AB	-55 to 150	Active	ROHS3
ES3B	Taiwan Semiconductor Corporation	100	3	0.95 @ 3A	Fast ≤500ns	DO-214AB	-55 to 150	Active	ROHS3
RS3B-13-F	Diodes Incorporated	100	3	1.3 @ 3A	Fast ≤500ns	DO-214AB	-65 to 150	Active	ROHS3
S3B	Diotec Semiconductor	100	3	1.15 @ 3A	Standard >500ns	DO-214AB	-50 to 150	Active	ROHS3
S3B-13-F	Diodes Incorporated	100	3	1.15 @ 3A	Standard >500ns	DO-214AB	-65 to 150	Active	ROHS3
UFS310J/TR13	Microchip Technology	100	3	0.95 @ 3A	Fast ≤500ns	DO-214AB	-55 to 175	Active	Non-compliant

Engineering Selection Recommendations

For Direct Replacement (10A Current Requirement): No active substitute parts with 10A current rating and DO-214AB packaging are available in the provided dataset. Applications requiring the full 10A capacity must source alternative suppliers or consider design modification to accommodate reduced current ratings.

For 5A Applications:

S5BC-13-F (Diodes Incorporated): Active product status with ROHS3 compliance. Standard recovery characteristics match the S10B-TP recovery profile. Operating temperature range extends to -65°C, providing enhanced low-temperature performance.
UFS510J/TR13 and UFS510JE3/TR13 (Microchip Technology): Active product status with extended operating temperature to 175°C. Fast recovery characteristics provide improved switching performance. RoHS non-compliance requires regulatory assessment for applications subject to RoHS requirements.

For 3A Applications: Multiple active alternatives exist with ROHS3 compliance:

ES3B-13-F (Diodes Incorporated): Fast recovery with lowest forward voltage (0.9V @ 3A) and shortest reverse recovery time (25ns). ROHS3 compliant.
CSFC302-G (Comchip Technology): Fast recovery with 35ns reverse recovery time. ROHS3 compliant.
S3B-13-F (Diodes Incorporated): Standard recovery matching S10B-TP characteristics. ROHS3 compliant with extended temperature range to -65°C.
S3B (Diotec Semiconductor): Standard recovery with ROHS3 compliance.

Compliance Considerations: All recommended substitutes maintain ROHS3 compliance except Microchip UFS series parts. Applications in regulated industries or export markets requiring RoHS certification should prioritize Diodes Incorporated, Comchip Technology, or Taiwan Semiconductor Corporation alternatives.

Frequently Asked Questions (FAQ)

Q: Can the S10B-TP be replaced with a 3A or 5A rated diode?

A: Substitution with reduced current ratings is permissible only when circuit design accommodates the lower current capacity. The 100V voltage rating and DO-214AB package remain compatible. Applications requiring the full 10A capacity cannot use 3A or 5A substitutes without circuit redesign or parallel configuration.

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

A: Recovery speed refers to the reverse recovery time (trr). Standard recovery diodes (>500ns) exhibit slower switching transitions, while fast recovery diodes (≤500ns) switch more rapidly. Both types are electrically compatible at the 100V voltage rating. Fast recovery variants reduce switching losses in high-frequency applications but are not required for standard rectification circuits.

Q: Are Microchip UFS series parts suitable for RoHS-regulated applications?

A: Microchip UFS310J/TR13 and UFS510J/TR13 are marked as RoHS non-compliant. Applications subject to RoHS directives or customer requirements must use alternatives from Diodes Incorporated, Comchip Technology, or Taiwan Semiconductor Corporation, which carry ROHS3 compliance certification.

Q: What is the significance of forward voltage (Vf) differences among substitutes?

A: Forward voltage variations (0.9V to 1.3V @ rated current) affect power dissipation and thermal performance. Lower Vf values reduce heat generation. Selection should consider circuit thermal design and power budget requirements. The S10B-TP specifies 1.2V @ 10A; substitutes with lower Vf provide improved efficiency.

Q: Can fast recovery diodes be used in applications designed for standard recovery diodes?

A: Fast recovery diodes are backward compatible with standard recovery applications. The faster switching characteristic does not degrade performance in standard rectification circuits. However, circuit design optimization may be required to fully exploit fast recovery advantages in high-frequency switching applications.

Q: What packaging considerations apply to DO-214AB and SMC designations?

A: DO-214AB and SMC refer to the same surface mount package format. All substitute parts listed maintain this package compatibility, ensuring direct PCB footprint compatibility without layout modification.

Q: How do operating temperature ranges affect part selection?

A: The S10B-TP operates from -55°C to 150°C. Substitutes with extended ranges (e.g., -65°C to 150°C or -55°C to 175°C) provide design margin for extreme environment applications. Selection should align with system thermal requirements and environmental specifications.

Q: Is inventory availability a factor in substitute selection?

A: Inventory levels vary significantly among substitutes. ES3B-13-F and S3B-13-F maintain high stock levels (10,100 and 30,100 units respectively), supporting immediate procurement. Lower inventory parts may require longer lead times. Procurement planning should account for supply chain considerations alongside electrical compatibility.

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