SMCJ10CA-TP Equivalent & Substitute Parts

Part Overview

The SMCJ10CA-TP is a transient voltage suppressor (TVS) diode manufactured by Micro Commercial Co, designed for general-purpose overvoltage protection in surface-mount applications. This bidirectional Zener diode operates with a 10V reverse standoff voltage and provides 17V maximum clamping voltage at peak pulse current of 88.3A, delivering 1500W peak pulse power dissipation in a DO-214AB (SMC) package. The component is RoHS3 compliant, REACH unaffected, and maintains unlimited moisture sensitivity rating (MSL 1). Active product status and broad inventory availability support continued design integration and production deployment.

Equivalent and substitute parts are identified to address component availability, supply chain optimization, and design flexibility while maintaining electrical and mechanical compatibility within specified parameter tolerances.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	10	V
Voltage - Breakdown (Min)	11.1	V
Voltage - Clamping (Max) @ Ipp	17	V
Current - Peak Pulse (10/1000µs)	88.3	A
Power - Peak Pulse	1500	W
Operating Temperature Range	-55 to 175	°C
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Type	Zener	—
Bidirectional Channels	1	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical parameter alignment with the SMCJ10CA-TP:

Direct Equivalents maintain identical electrical specifications: 10V reverse standoff voltage, 11.1V minimum breakdown voltage, 17V maximum clamping voltage, and 88.2–88.3A peak pulse current at 1500W peak pulse power. These parts differ only in manufacturer, packaging format (Tape & Reel versus Bulk), or minor product line designations. Direct equivalents are interchangeable without circuit redesign.

Similar Alternatives share the same voltage ratings (10V standoff, 17V clamp) and package form factor (DO-214AB, SMC) but operate at higher peak pulse current ratings (176.4–176.5A) and correspondingly higher peak pulse power (3000W). These parts provide enhanced transient suppression capability and are suitable for applications requiring greater current handling capacity while maintaining voltage protection thresholds.

Voltage-Variant Alternatives such as SMCJ11CA-13-F operate at elevated voltage ratings (11V standoff, 18.2V clamp) and reduced peak pulse current (82.4A). These are applicable only when circuit protection requirements specify higher voltage thresholds.

Substitution eligibility is determined by: (1) matching reverse standoff and clamping voltage specifications, (2) equal or greater peak pulse current and power ratings, (3) identical package and mounting type, (4) compatible operating temperature range, and (5) equivalent regulatory compliance status.

Parameter Comparison

Part Number	Manufacturer	Standoff Voltage (V)	Breakdown Voltage (V)	Clamp Voltage (V)	Peak Pulse Current (A)	Peak Pulse Power (W)	Operating Temp (°C)	Package	Packaging Format
SMCJ10CA-TP	Micro Commercial Co	10	11.1	17	88.3	1500	-55 to 175	DO-214AB, SMC	Tape & Reel
SMCJ10CA	Fairchild Semiconductor	10	11.1	17	88.3	1500	-55 to 150	DO-214AB, SMC	Bulk
SMCJ10CA-13-F	Diodes Incorporated	10	11.1	17	88.2	1500	-55 to 150	DO-214AB, SMC	Tape & Reel
SMCJ10CA-E3/57T	Vishay General Semiconductor - Diodes Division	10	11.1	17	88.2	1500	-55 to 150	DO-214AB, SMC	Tape & Reel
SMCJ11CA-13-F	Diodes Incorporated	11	12.2	18.2	82.4	1500	-55 to 150	DO-214AB, SMC	Tape & Reel
SMDJ10CA	Alpha & Omega Semiconductor Inc.	10	11.1	17	176.5	3000	-55 to 150	DO-214AB, SMC	Tape & Reel
SMDJ10CA-T7	Littelfuse	10	11.1	17	176.5	3000	-65 to 150	DO-214AB, SMC	Tape & Reel
SMLJ10CA	Bourns Inc.	10	11.1	17	176.4	3000	-55 to 150	DO-214AB, SMC	Tape & Reel

Engineering Selection Recommendations

Direct Equivalent Selection: SMCJ10CA-13-F (Diodes Incorporated) and SMCJ10CA-E3/57T (Vishay) are primary direct equivalents, maintaining identical voltage and current specifications with RoHS3 compliance and unlimited MSL rating. Both are available in Tape & Reel packaging and support high-volume production workflows. Operating temperature range is -55°C to 150°C, which is acceptable for most general-purpose applications; the SMCJ10CA-TP extended upper limit of 175°C applies only to specialized high-temperature designs.

Higher-Current Alternatives: SMDJ10CA (Alpha & Omega Semiconductor) and SMDJ10CA-T7 (Littelfuse) provide doubled peak pulse current (176.5A) and power (3000W) while maintaining identical voltage protection thresholds. These are suitable for applications with higher transient energy requirements or when design margin enhancement is specified. SMDJ10CA-T7 extends the lower operating temperature to -65°C, supporting cryogenic or aerospace applications.

Bulk Packaging Option: SMCJ10CA (Fairchild Semiconductor) offers identical electrical specifications in Bulk packaging format, appropriate for high-volume manufacturing environments where tape-and-reel handling is not required.

Voltage-Variant Consideration: SMCJ11CA-13-F is not a direct substitute; it operates at 11V standoff and 18.2V clamp voltage with reduced peak pulse current (82.4A). Selection requires circuit redesign and is applicable only when higher voltage protection thresholds are specified.

All recommended substitutes maintain RoHS3 compliance, REACH unaffected status, and EAR99 export classification consistent with the SMCJ10CA-TP.

Frequently Asked Questions (FAQ)

Q: Can SMCJ10CA (Bulk packaging) be used in place of SMCJ10CA-TP (Tape & Reel)?

A: Yes, electrically and mechanically. Both maintain identical voltage and current specifications. The difference is packaging format: Tape & Reel is supplied on continuous carrier tape for automated pick-and-place assembly, while Bulk is supplied loose. Bulk format requires manual handling and is typically used in lower-volume or prototype environments. Verify your assembly process compatibility before substitution.

Q: What is the difference between SMCJ10CA and SMDJ10CA series?

A: Both operate at identical voltage ratings (10V standoff, 17V clamp) and use the same DO-214AB package. The primary difference is peak pulse current and power: SMCJ series handles 88.3A at 1500W, while SMDJ series handles 176.5A at 3000W. SMDJ provides enhanced transient suppression capability. Selection depends on circuit transient energy requirements. If your design specifies 1500W maximum, either part is acceptable; if higher energy transients are anticipated, SMDJ is preferred.

Q: Is SMCJ11CA-13-F compatible with SMCJ10CA-TP?

A: No. SMCJ11CA-13-F operates at 11V standoff and 18.2V clamp voltage, compared to 10V and 17V for SMCJ10CA-TP. This voltage difference affects circuit protection thresholds and requires design verification. Use SMCJ11CA-13-F only when circuit specifications explicitly require 11V standoff protection.

Q: What is the operating temperature impact of selecting SMCJ10CA instead of SMCJ10CA-TP?

A: SMCJ10CA-TP operates from -55°C to 175°C, while SMCJ10CA operates from -55°C to 150°C. The 25°C difference in upper temperature limit is relevant only for high-temperature applications (above 150°C junction temperature). For standard industrial and commercial designs operating below 150°C, both parts are equivalent.

Q: Can SMDJ10CA-T7 replace SMCJ10CA-TP in all applications?

A: SMDJ10CA-T7 is electrically compatible (same voltage ratings, higher current/power capability) and mechanically compatible (same DO-214AB package). The extended lower operating temperature (-65°C versus -55°C) is an additional capability. Substitution is valid from a protection standpoint; however, verify that the higher peak pulse power rating (3000W versus 1500W) does not introduce thermal or circuit design conflicts in your specific application.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain RoHS3 compliance and REACH unaffected status, consistent with SMCJ10CA-TP regulatory requirements.

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