SMLJ9.0CE3/TR13 Equivalent & Substitute Parts

Part Overview

The SMLJ9.0CE3/TR13 is a transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection in surface-mount applications. This bidirectional Zener diode operates with a 9V reverse standoff voltage and provides clamping at 16.9V maximum, with a peak pulse current rating of 177.4A and 300W peak pulse power dissipation. The device is housed in a DO-214AB (SMC) package and is supplied in Tape & Reel format.

The SMLJ9.0CE3/TR13 maintains Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching or compatible electrical parameters, package compatibility, and operational specifications within the same TVS diode category.

Substiute Parts

SMLJ9.0CE3/TR13

Microchip TechnologyIn Stock: 1157SMLJ9.0CE3/TR13 Datasheet

Current PartRFQ

SMCJ11CA-13-F

Diodes IncorporatedIn Stock: 3677SMCJ11CA-13-F Datasheet

SimilarRFQ

SMCJ9.0CA

Taiwan Semiconductor CorporationIn Stock: 84258SMCJ9.0CA Datasheet

SimilarRFQ

SMCJ9.0CA-13-F

Diodes IncorporatedIn Stock: 7460SMCJ9.0CA-13-F Datasheet

SimilarRFQ

SMCJ9.0CA-TP

Micro Commercial CoIn Stock: 4169SMCJ9.0CA-TP Datasheet

SimilarRFQ

SMDJ9.0CA

Alpha & Omega Semiconductor Inc.In Stock: 30319SMDJ9.0CA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMLJ9.0CE3/TR13 are identified based on the following critical parameters:

Voltage Compatibility: Reverse standoff voltage of 9V and breakdown voltage minimum of 10V are the primary electrical criteria. Substitute parts must maintain these voltage specifications to ensure proper circuit protection without nuisance triggering.

Package Compatibility: All substitute parts must use DO-214AB or SMC package designations to ensure mechanical and thermal compatibility with existing PCB layouts and assembly processes.

Clamping Voltage: The maximum clamping voltage at peak pulse current (Ipp) must remain within acceptable limits for the protected circuit. Substitute parts with clamping voltages between 15.4V and 18.2V are functionally compatible with the original 16.9V specification.

Peak Pulse Current and Power Dissipation: Substitute parts with peak pulse current ratings of 82.4A or higher and power dissipation ratings of 300W or higher maintain or exceed the original device's surge handling capability.

Operating Temperature Range: All substitute parts operate within the -55°C to 150°C range, with one variant extending to 175°C, ensuring thermal compatibility across standard industrial applications.

Compliance and Status: All substitute parts maintain Active product status, RoHS3 compliance, and REACH unaffected status, matching the regulatory and environmental requirements of the original part.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Matched Voltage Specification)

The SMCJ9.0CA (Taiwan Semiconductor Corporation), SMCJ9.0CA-13-F (Diodes Incorporated), and SMCJ9.0CA-TP (Micro Commercial Co) are direct electrical equivalents with identical 9V reverse standoff and 10V minimum breakdown voltages. These parts feature lower clamping voltages (15.4V) compared to the original 16.9V specification, resulting in tighter voltage regulation. All three maintain Active product status, RoHS3 compliance, and surface-mount DO-214AB/SMC package compatibility. The SMCJ9.0CA-TP variant extends the operating temperature range to 175°C, providing enhanced thermal margin for high-temperature applications.

Higher Power Dissipation Alternative

The SMDJ9.0CA (Alpha & Omega Semiconductor Inc.) maintains the 9V voltage specification with identical 15.4V clamping voltage but provides significantly higher peak pulse power dissipation (3000W versus 300W) and peak pulse current (194.9A versus 177.4A). This part is suitable for applications requiring enhanced surge handling capability while maintaining the same voltage protection characteristics.

Higher Voltage Alternative

The SMCJ11CA-13-F (Diodes Incorporated) operates at an 11V reverse standoff voltage with 12.2V minimum breakdown voltage, representing a higher voltage protection tier. This part is applicable only when circuit requirements permit elevated protection thresholds. The clamping voltage of 18.2V and reduced peak pulse current (82.4A) indicate different application suitability.

Compliance and Availability

All substitute parts maintain Active product status and RoHS3 compliance, ensuring regulatory alignment with the original SMLJ9.0CE3/TR13. Moisture sensitivity level remains at MSL 1 (Unlimited) across all alternatives, and REACH unaffected status is consistent. Selection should prioritize parts with highest inventory availability for supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the SMCJ9.0CA be used as a direct replacement for the SMLJ9.0CE3/TR13?

A: The SMCJ9.0CA is electrically compatible as a substitute. Both parts share identical 9V reverse standoff voltage and 10V minimum breakdown voltage specifications. The SMCJ9.0CA features a lower clamping voltage (15.4V versus 16.9V), which provides tighter voltage regulation. Both use DO-214AB/SMC packages and surface-mount technology. Substitution is valid when the lower clamping voltage is acceptable for the protected circuit.

Q: What is the difference between the SMCJ9.0CA-13-F and SMCJ9.0CA-TP?

A: Both parts share identical electrical specifications (9V standoff, 10V breakdown, 15.4V clamping, 97.4A peak pulse current, 1500W power dissipation). The primary difference is the operating temperature range: SMCJ9.0CA-13-F operates from -55°C to 150°C, while SMCJ9.0CA-TP extends to 175°C. The SMCJ9.0CA-TP is preferred for applications requiring enhanced high-temperature performance.

Q: Why does the SMDJ9.0CA have higher power dissipation than the original part?

A: The SMDJ9.0CA is manufactured by Alpha & Omega Semiconductor Inc. and features a different die design optimized for higher power handling. It provides 3000W peak pulse power dissipation compared to the original 300W, with correspondingly higher peak pulse current (194.9A versus 177.4A). This part is suitable for applications with more severe transient surge conditions while maintaining the same 9V voltage protection level.

Q: Is the SMCJ11CA-13-F compatible with circuits designed for the SMLJ9.0CE3/TR13?

A: The SMCJ11CA-13-F operates at a higher voltage tier (11V reverse standoff, 12.2V breakdown) and is not a direct substitute. This part is only compatible with circuits where the protected circuit voltage is higher and can tolerate the elevated 18.2V clamping voltage. Use this part only when circuit requirements explicitly permit higher protection thresholds.

Q: Do all substitute parts use the same package as the original SMLJ9.0CE3/TR13?

A: All substitute parts use DO-214AB or SMC package designations, which are mechanically and thermally compatible with the original part's DO-214AB/SMC package. Surface-mount assembly processes and PCB footprints remain unchanged across all alternatives.

Q: What compliance certifications are maintained across all substitute parts?

A: All substitute parts maintain RoHS3 compliance and REACH unaffected status, matching the original SMLJ9.0CE3/TR13. Moisture sensitivity level remains at MSL 1 (Unlimited) across all alternatives. All parts maintain Active product status, ensuring long-term availability and supply chain support.

Q: Which substitute part offers the best inventory availability?

A: The SMCJ9.0CA (Taiwan Semiconductor Corporation) provides the highest inventory availability with 84,200 pieces in stock, followed by SMDJ9.0CA (Alpha & Omega) with 30,300 pieces. These parts are recommended when supply chain continuity is a priority.