SMCJ30CE3/TR13 Equivalent & Substitute Parts

Part Overview

The SMCJ30CE3/TR13 is a 30V bidirectional transient voltage suppressor (TVS) diode manufactured by Microchip Technology, packaged in DO-214AB (SMC) surface mount form factor. This component is in Active product status and is used for general-purpose transient voltage suppression applications. Identification of equivalent and substitute parts is necessary to accommodate procurement flexibility, supply chain optimization, and application-specific performance requirements.

Key Parameters

Parameter	SMCJ30CE3/TR13	Unit
Voltage - Reverse Standoff (Typ)	30	V
Voltage - Breakdown (Min)	33.3	V
Voltage - Clamping (Max) @ Ipp	53.5	V
Current - Peak Pulse (10/1000µs)	28	A
Power - Peak Pulse	1500	W
Operating Temperature Range	-65 to 150	°C (TJ)
Package / Case	DO-214AB, SMC	-
Mounting Type	Surface Mount	-
Type	Zener	-
Bidirectional Channels	1	-

Substitute Part Grouping Explanation

Substitution suitability is determined by strict electrical and mechanical parameter alignment within the following categories:

Critical Parameters for Substitution:

Voltage - Reverse Standoff (Typ): 30V
Package / Case: DO-214AB, SMC (surface mount)
Mounting Type: Surface Mount
Bidirectional Channels: 1

Permissible Variation Parameters:

Voltage - Clamping (Max) @ Ipp: Substitute parts exhibit values between 48.4V and 53.5V
Current - Peak Pulse (10/1000µs): Substitute parts range from 31A to 103A
Power - Peak Pulse: Substitute parts range from 1500W to 5000W
Operating Temperature Range: Extended ranges acceptable

The substitute parts listed below maintain the core electrical characteristics (30V reverse standoff, DO-214AB package, surface mount configuration) while offering varying levels of current-handling capacity and power dissipation.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage RWM (V)	Voltage Clamp (V)	Peak Pulse Current (A)	Peak Power (W)	Temp Range (°C)	Package
SMCJ30CE3/TR13	Microchip Technology	30	53.5	28	1500	-65 to 150	DO-214AB, SMC
5.0SMDJ30CA	MDE Semiconductor Inc	30	48.4	103	5000	-55 to 150	DO-214AB, SMC
5.0SMDJ30CA-T7	Littelfuse Inc.	30	48.4	103	5000	-65 to 150	DO-214AB, SMC
SMCJ30CA	MDD	30	48.4	31	1500	-50 to 150	DO-214AB, SMC
SMCJ30CA-13-F	Diodes Incorporated	30	48.4	31	1500	-55 to 150	DO-214AB, SMC
SMCJ30CA-TP	Micro Commercial Co	30	48.4	31	1500	-55 to 175	DO-214AB, SMC
SMDJ30CA	Alpha & Omega Semiconductor Inc.	30	48.4	62	3000	-55 to 150	DO-214AB, SMC
SMDJ30CA-T7	Littelfuse Inc.	30	48.4	62	3000	-65 to 150	DO-214AB, SMC
SMLJ30CA-TP	Micro Commercial Co	30	48.4	62	3000	-55 to 175	DO-214AB, SMC

Engineering Selection Recommendations

All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, consistent with the main part specification. All parts are Active product status with Moisture Sensitivity Level (MSL) 1 (Unlimited).

Selection by Application Category:

For applications requiring identical electrical characteristics to the original specification, select SMCJ30CA, SMCJ30CA-13-F, or SMCJ30CA-TP. These parts deliver 31A peak pulse current and 1500W peak power, matching the primary part's performance envelope.

For applications with higher transient current demands, the 5.0SMDJ30CA and 5.0SMDJ30CA-T7 series deliver 103A peak pulse current and 5000W peak power. The SMDJ30CA and SMDJ30CA-T7 series deliver 62A peak pulse current and 3000W peak power as an intermediate option.

Temperature range selection depends on system thermal requirements. The SMCJ30CA-TP and SMLJ30CA-TP variants extend the upper operating limit to 175°C, accommodating higher ambient or junction temperature conditions. The 5.0SMDJ30CA-T7 and SMDJ30CA-T7 support operation down to -65°C.

Frequently Asked Questions (FAQ)

Q: Can I substitute SMCJ30CA for SMCJ30CE3/TR13? A: Yes. Both parts maintain 30V reverse standoff voltage, DO-214AB surface mount packaging, and 1-channel bidirectional configuration. SMCJ30CA delivers 31A peak pulse current and 1500W peak power, equivalent to the original part's performance specification.

Q: What is the difference between the SMCJ and SMDJ series? A: The SMCJ series (28A, 1500W) and SMDJ series (62A, 3000W) are both 30V TVS diodes in DO-214AB surface mount packaging. The SMDJ series accommodates higher transient current and power dissipation. The 5.0SMDJ series delivers even higher performance (103A, 5000W). Selection depends on transient event severity.

Q: Are all substitute parts available in tape & reel packaging? A: Most substitute parts are available in tape & reel (TR) packaging for automated assembly. Verify packaging designation with the specific manufacturer part number prior to procurement.

Q: Can I use the 5.0SMDJ30CA-T7 in place of SMCJ30CE3/TR13? A: Yes, provided the application circuit accepts higher current and power handling. The 5.0SMDJ30CA-T7 maintains 30V reverse standoff and DO-214AB packaging while delivering 103A peak pulse current and 5000W peak power—a superset of the original part's capabilities.

Q: What is the operating temperature range impact on selection? A: The SMCJ30CA-TP and SMLJ30CA-TP extend operation to 175°C, suitable for high-temperature applications. Standard variants operate to 150°C. The 5.0SMDJ30CA-T7 and SMDJ30CA-T7 support -65°C minimum, extending cold-environment capability compared to some alternatives rated to -55°C or -50°C.

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