SMCJ5.0CA-TP Equivalent & Substitute Parts

Part Overview

The SMCJ5.0CA-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 5V reverse standoff voltage and 9.2V maximum clamping voltage, delivering 163A peak pulse current in a compact DO-214AB (SMC) package. The part is active in production and ROHS3 compliant with unlimited moisture sensitivity rating.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when higher current-handling capacity is needed for enhanced transient protection in circuit designs.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	5V
Voltage - Breakdown (Min)	6.4V
Voltage - Clamping (Max) @ Ipp	9.2V
Current - Peak Pulse (10/1000µs)	163A
Power - Peak Pulse	1500W
Package / Case	DO-214AB, SMC
Mounting Type	Surface Mount
Operating Temperature Range	-55°C ~ 175°C (TJ)
Type	Zener, Bidirectional
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SMCJ5.0CA-TP is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters for Direct Substitution:

Voltage - Reverse Standoff: 5V
Voltage - Breakdown (Min): 6.4V
Voltage - Clamping (Max) @ Ipp: 9.2V
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Bidirectional Channels: 1

Allowable Variation:

Current - Peak Pulse (10/1000µs): 163A minimum (higher values acceptable for enhanced protection)
Power - Peak Pulse: 1500W minimum (higher values acceptable)
Operating Temperature Range: -55°C minimum to 150°C minimum (wider ranges acceptable)
Packaging Format: Tape & Reel (TR), Cut Tape (CT), or Digi-Reel® formats are interchangeable

Parts are grouped into two categories:

Direct Equivalents: Parts meeting all critical parameters with identical or higher current/power ratings and compatible packaging.

Similar Substitutes: Parts meeting all critical electrical parameters but with significantly higher current-handling capacity (3000W vs 1500W), suitable for applications requiring enhanced transient suppression.

Parameter Comparison

Part Number	Manufacturer	Vwm (Typ)	Vbr (Min)	Vc (Max)	Ipp (A)	Power (W)	Package	Temp Range	Status
SMCJ5.0CA-TP	Micro Commercial Co	5V	6.4V	9.2V	163	1500	DO-214AB (SMC)	-55°C ~ 175°C	Active
SMCJ5.0CA	Taiwan Semiconductor Corporation	5V	6.4V	9.2V	171	1500	DO-214AB (SMC)	-55°C ~ 150°C	Active
SMCJ5.0CA-13-F	Diodes Incorporated	5V	6.4V	9.2V	163	1500	DO-214AB (SMC)	-55°C ~ 150°C	Active
SMCJ5.0CA-E3/57T	Vishay General Semiconductor - Diodes Division	5V	6.4V	9.2V	163	1500	DO-214AB (SMC)	-55°C ~ 150°C	Active
SMCJ5V0CA	Taiwan Semiconductor Corporation	5V	6.4V	9.2V	163	1500	DO-214AB (SMC)	Not Specified	Active
SMDJ5.0CA	Alpha & Omega Semiconductor Inc.	5V	6.4V	9.2V	326.1	3000	DO-214AB (SMC)	-55°C ~ 150°C	Active
SMDJ5.0CA-T7	Littelfuse Inc.	5V	6.4V	9.2V	326.1	3000	DO-214AB (SMC)	-65°C ~ 150°C	Active
SMLJ5.0CA	Bourns Inc.	5V	6.4V	9.2V	326	3000	DO-214AB (SMC)	-55°C ~ 150°C	Active

Engineering Selection Recommendations

Direct Equivalents (1500W Class):

SMCJ5.0CA (Taiwan Semiconductor Corporation), SMCJ5.0CA-13-F (Diodes Incorporated), SMCJ5.0CA-E3/57T (Vishay General Semiconductor), and SMCJ5V0CA (Taiwan Semiconductor Corporation) are direct functional equivalents meeting all critical electrical parameters. All are ROHS3 compliant and active in production. Selection among these parts depends on packaging availability (Tape & Reel, Cut Tape, or Digi-Reel®) and operating temperature requirements. The SMCJ5.0CA-TP operates to 175°C, while most direct equivalents operate to 150°C; applications requiring the extended upper temperature limit should retain the original part or verify thermal requirements with the circuit design.

Enhanced Protection Alternatives (3000W Class):

SMDJ5.0CA (Alpha & Omega Semiconductor Inc.), SMDJ5.0CA-T7 (Littelfuse Inc.), and SMLJ5.0CA (Bourns Inc.) provide double the power dissipation capacity (3000W vs 1500W) while maintaining identical voltage characteristics. These parts are suitable for applications experiencing higher transient energy levels or requiring additional design margin. All are ROHS3 compliant and active in production. SMDJ5.0CA-T7 offers the widest operating temperature range (-65°C to 150°C). SMLJ5.0CA carries REACH Affected status; verify compliance requirements for your application.

All substitute parts maintain the DO-214AB (SMC) surface-mount package, ensuring PCB layout compatibility with the original design.

Frequently Asked Questions (FAQ)

Q: Can I use SMDJ5.0CA or SMLJ5.0CA as a direct replacement for SMCJ5.0CA-TP?

A: Yes, electrically and mechanically. These parts maintain identical voltage specifications (5V Vwm, 9.2V Vc) and the same DO-214AB package. The primary difference is doubled power dissipation capacity (3000W vs 1500W), which provides enhanced transient protection without affecting circuit operation. Verify that your PCB layout and thermal design accommodate the higher power rating.

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

A: Both formats contain the same component in the same DO-214AB package. Tape & Reel (TR) is supplied on continuous tape in reel format, suitable for high-volume automated assembly. Cut Tape (CT) is supplied in shorter tape segments, suitable for lower-volume or manual assembly. Digi-Reel® is a proprietary format combining benefits of both. All are functionally equivalent; selection depends on assembly process requirements.

Q: Why does SMCJ5.0CA-TP specify -55°C to 175°C while most substitutes specify -55°C to 150°C?

A: Operating temperature range reflects the manufacturer's tested and rated performance envelope. The SMCJ5.0CA-TP from Micro Commercial Co is rated to 175°C junction temperature. Most substitute parts are rated to 150°C. For applications operating above 150°C, retain the original part or confirm thermal performance with the substitute manufacturer. For applications below 150°C, all parts are functionally equivalent.

Q: Can I substitute SMCJ5V0CA for SMCJ5.0CA-TP?

A: Yes. SMCJ5V0CA meets all critical electrical parameters and uses the same DO-214AB package. The part number variation (5V0 vs 5.0) reflects manufacturer nomenclature differences but represents the same component specification. Operating temperature range is not specified for SMCJ5V0CA; confirm with the supplier if extended temperature operation is required.

Q: Are all these parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status. SMLJ5.0CA carries REACH Affected status; verify compliance with your supply chain and regulatory requirements before selection.

Q: What determines whether a part is a valid substitute?

A: Valid substitutes must maintain the same reverse standoff voltage (5V), breakdown voltage (6.4V minimum), clamping voltage (9.2V maximum), and surface-mount DO-214AB package. Current and power ratings may be equal or higher. Operating temperature range may be equal or wider. All parts must be active in production and meet applicable compliance standards.

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