SI3134KLA-TP N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The SI3134KLA-TP is an N-Channel MOSFET manufactured by Micro Commercial Co, designed for surface mount applications in the DFN1006-3A package. This device features a 20 V drain-to-source voltage rating with 750 mA continuous drain current capability and 250 mW maximum power dissipation. The SI3134KLA-TP is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing design support and component procurement.

Substiute Parts

SI3134KLA-TP

Micro Commercial CoIn Stock: 730SI3134KLA-TP Datasheet

Current PartRFQ

SI3134KL3A-TP

Micro Commercial CoIn Stock: 10762SI3134KL3A-TP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SI3134KLA-TP is determined by electrical and mechanical parameter compatibility within the N-Channel MOSFET category. The primary substitution candidate is the SI3134KL3A-TP, which shares the same base product number (SI3134) and maintains identical electrical specifications for the critical parameters that define functional equivalence:

Key Parameters for Substitution Compatibility:

• FET Type: N-Channel (identical)
• Technology: MOSFET (Metal Oxide) (identical)
• Drain to Source Voltage (Vdss): 20 V (identical)
• Continuous Drain Current (Id) @ 25°C: 750 mA (identical)
• Vgs(th) (Max) @ 250µA: 1.1 V (identical)
• Vgs (Max): ±12 V (identical)
• Operating Temperature Range: -55°C to 150°C (identical)
• Mounting Type: Surface Mount (identical)

The SI3134KL3A-TP is classified as Active product status, ensuring ongoing availability and manufacturing support, in contrast to the obsolete SI3134KLA-TP. Both devices are manufactured by Micro Commercial Co and operate within the same electrical envelope for core switching applications.

Parameter Comparison

Engineering Selection Recommendations

The SI3134KL3A-TP is the direct substitute for the obsolete SI3134KLA-TP. Selection of the SI3134KL3A-TP is supported by the following factors:

Product Status: The SI3134KL3A-TP maintains Active product status, ensuring continued manufacturing availability and supply chain reliability. The SI3134KLA-TP is classified as Obsolete, creating procurement risk and limiting long-term component sourcing.

Electrical Equivalence: Both devices share identical ratings for Vdss (20 V), Id (750 mA), Vgs(th) (1.1 V), and Vgs (±12 V). These parameters define the functional operating envelope for N-Channel MOSFET applications.

Compliance and Certifications: The SI3134KL3A-TP is ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements for electronic component manufacturing and distribution. The substitute device carries Moisture Sensitivity Level 1 (Unlimited), indicating superior moisture handling characteristics.

Performance Improvements: The SI3134KL3A-TP demonstrates reduced on-resistance (300 mOhm versus 500 mOhm at 500 mA, 4.5 V), lower input capacitance (33 pF versus 120 pF), and increased power dissipation capability (900 mW versus 250 mW). These characteristics provide enhanced thermal performance and reduced switching losses in equivalent circuit applications.

Packaging Compatibility: Both devices are surface mount components. The SI3134KL3A-TP is available in SC-101 and SOT-883 packages, providing mechanical compatibility with DFN1006-3 footprints used in modern surface mount assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the SI3134KL3A-TP directly replace the SI3134KLA-TP in existing designs?

A: Yes. Both devices share identical electrical specifications for Vdss, Id, Vgs(th), and Vgs ratings. The SI3134KL3A-TP operates within the same voltage and current envelope as the SI3134KLA-TP. Footprint compatibility must be verified for the specific PCB layout, as package designations differ (3-XFDFN versus SC-101/SOT-883).

Q: What are the key differences between these two parts?

A: The SI3134KL3A-TP offers improved electrical performance with lower on-resistance (300 mOhm versus 500 mOhm), reduced input capacitance (33 pF versus 120 pF), and higher power dissipation capability (900 mW versus 250 mW). The substitute device is Active status with ROHS3 compliance, whereas the main part is Obsolete.

Q: Are there package compatibility concerns?

A: The SI3134KLA-TP uses the 3-XFDFN package, while the SI3134KL3A-TP is available in SC-101 and SOT-883 packages. Physical footprint verification is required to confirm PCB compatibility. Both are surface mount devices with similar pin configurations.

Q: Does the SI3134KL3A-TP meet current regulatory standards?

A: Yes. The SI3134KL3A-TP is ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution in regulated markets.

Q: What is the inventory status for these parts?

A: The SI3134KLA-TP has 701 pieces in stock as new original inventory. The SI3134KL3A-TP has 10,699 pieces in stock, providing significantly greater availability for procurement and production planning.

Q: Are the thermal characteristics equivalent?

A: The SI3134KL3A-TP provides superior thermal performance due to increased power dissipation capability (900 mW versus 250 mW) and lower on-resistance. Both devices operate across the same temperature range (-55°C to 150°C TJ).

Q: What is the Moisture Sensitivity Level (MSL) for these devices?

A: The SI3134KL3A-TP carries MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling. The SI3134KLA-TP does not specify MSL in the provided data.