SMLJ9.0A-TP Equivalent & Substitute Parts

Part Overview

The SMLJ9.0A-TP is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Micro Commercial Co, designed for general-purpose interface protection applications. This surface-mount component operates across a temperature range of -55°C to 175°C and is currently in active product status. The part is available in bulk packaging with 1107 pieces in stock.

TVS diodes are essential components for protecting sensitive electronic circuits from transient voltage spikes and electrostatic discharge events. Equivalent and substitute parts are identified when they maintain identical or compatible electrical and mechanical specifications, allowing for design flexibility, supply chain alternatives, and inventory optimization.

Substiute Parts

SMLJ9.0A-TP

Micro Commercial CoIn Stock: 1189SMLJ9.0A-TP Datasheet

Current PartRFQ

SMDJ9.0A

Alpha & Omega Semiconductor Inc.In Stock: 12202SMDJ9.0A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMLJ9.0A-TP is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Reverse standoff voltage: 9V (typical)
• Breakdown voltage minimum: 10V
• Clamping voltage maximum at peak pulse current: 15.4V
• Peak pulse current rating: 194.8A (10/1000µs waveform)
• Peak pulse power dissipation: 3000W

Mechanical & Package Specifications:

• Package type: DO-214AB (SMC)
• Mounting configuration: Surface Mount
• Diode topology: Unidirectional (single channel)
• Diode type: Zener

Environmental Specifications:

• Operating temperature range: -55°C to 175°C

The SMDJ9.0A manufactured by Alpha & Omega Semiconductor Inc. meets all critical electrical parameters and maintains the same package and mounting specifications. Substitution is valid based on parameter equivalence within the defined tolerance ranges.

Parameter Comparison

*Note: The SMDJ9.0A operates to 150°C maximum junction temperature, compared to 175°C for the SMLJ9.0A-TP. Applications requiring operation above 150°C require the primary part.

Engineering Selection Recommendations

Primary Part: SMLJ9.0A-TP

Select the SMLJ9.0A-TP when:

• Operating temperature requirements extend to 175°C junction temperature
• Bulk packaging is preferred for manufacturing processes
• Micro Commercial Co supply chain is established

Substitute Part: SMDJ9.0A

The SMDJ9.0A is a valid substitute when:

• Operating temperature maximum does not exceed 150°C junction temperature
• Tape & Reel packaging is compatible with assembly processes
• Alpha & Omega Semiconductor supply chain is available
• Higher inventory availability (12100 pieces in stock) supports procurement needs

Both parts maintain identical electrical protection characteristics for 9V standoff applications with 3000W peak pulse power dissipation. The selection between primary and substitute parts is determined by temperature operating range requirements and packaging format compatibility with manufacturing processes.

Frequently Asked Questions (FAQ)

Q: Can SMDJ9.0A replace SMLJ9.0A-TP in all applications?

A: The SMDJ9.0A is a valid substitute for applications where the maximum junction temperature does not exceed 150°C. The SMLJ9.0A-TP supports operation to 175°C. Verify your circuit's maximum operating temperature before substitution.

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

A: Bulk packaging (SMLJ9.0A-TP) is supplied loose and is suitable for manual assembly or small-volume production. Tape & Reel packaging (SMDJ9.0A) is wound on continuous tape for automated pick-and-place assembly equipment. Select based on your manufacturing process requirements.

Q: Are the peak pulse current ratings interchangeable?

A: Yes. The SMLJ9.0A-TP is rated at 194.8A peak pulse current, and the SMDJ9.0A is rated at 194.9A. These values are equivalent within engineering tolerance for the 10/1000µs pulse waveform.

Q: Do both parts have the same clamping voltage?

A: Yes. Both the SMLJ9.0A-TP and SMDJ9.0A clamp at a maximum of 15.4V at peak pulse current, ensuring identical transient voltage suppression performance.

Q: What compliance certifications apply to these parts?

A: The SMDJ9.0A is ROHS3 compliant. Both parts are REACH unaffected and classified under ECCN EAR99 for export purposes.

Q: Can I mix SMLJ9.0A-TP and SMDJ9.0A in the same production run?

A: Yes, provided your application temperature range does not exceed 150°C. Both parts are electrically and mechanically equivalent within this constraint. Verify your assembly process compatibility with both bulk and Tape & Reel formats if mixing packaging types.