PHDMI2AB4Z Equivalent & Substitute Parts

Part Overview

The PHDMI2AB4Z is a 5V clamping transient voltage suppressor (TVS) diode manufactured by Nexperia USA Inc., designed for general-purpose overvoltage protection applications. This surface-mount component features a 4-channel unidirectional configuration in a compact DFN2510A-10 package with a peak pulse current rating of 7A (8/20µs). The part maintains Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges for this TVS diode category.

Substiute Parts

PHDMI2AB4Z

Nexperia USA Inc.In Stock: 3864PHDMI2AB4Z Datasheet

Current PartRFQ

SP1004U-ULC-04UTG

Littelfuse Inc.In Stock: 105388SP1004U-ULC-04UTG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PHDMI2AB4Z are evaluated based on the following critical parameters:

• Voltage Rating Compatibility: Clamping voltage and breakdown voltage must fall within acceptable ranges for the application circuit
• Current Handling Capacity: Peak pulse current rating must support the transient protection requirements
• Package Compatibility: Surface-mount package type and pin configuration must match PCB layout specifications
• Channel Configuration: Unidirectional channel count must align with circuit protection topology
• Environmental Compliance: RoHS3 compliance and operating temperature range must meet application requirements

The SP1004U-ULC-04UTG from Littelfuse Inc. is identified as a substitute part. However, this part exhibits different electrical characteristics that must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both the PHDMI2AB4Z and SP1004U-ULC-04UTG maintain Active product status and are RoHS3 compliant, ensuring regulatory compliance for current applications. Both components are rated for surface-mount assembly in the 10-XFDFN package with 4-channel unidirectional configuration.

Selection between these parts must be based on application-specific voltage and current requirements. The PHDMI2AB4Z provides lower clamping voltage (5V Typ) with higher peak pulse current capacity (7A), suitable for circuits requiring aggressive transient suppression at lower voltage levels. The SP1004U-ULC-04UTG operates at higher voltage levels (9.2V Typ clamping) with reduced peak pulse current (2A), appropriate for higher-voltage protection circuits.

The extended operating temperature range of the SP1004U-ULC-04UTG (-40°C ~ 125°C) provides additional thermal margin compared to the PHDMI2AB4Z (-40°C ~ 85°C).

Frequently Asked Questions (FAQ)

Q: Can SP1004U-ULC-04UTG directly replace PHDMI2AB4Z in existing designs?

A: Direct replacement is not recommended without circuit analysis. The SP1004U-ULC-04UTG exhibits significantly higher clamping voltage (9.2V vs. 5V) and lower peak pulse current (2A vs. 7A), which may alter transient suppression performance in the protected circuit.

Q: Are both parts compatible with the same PCB footprint?

A: Both parts use the 10-XFDFN package type. Physical footprint compatibility exists; however, electrical performance differences must be verified against circuit requirements before substitution.

Q: What is the significance of the capacitance specification?

A: Both parts specify 0.2pF @ 1MHz, indicating minimal parasitic capacitance. This parameter is critical for high-frequency signal integrity in sensitive applications.

Q: Does the operating temperature range difference affect substitution decisions?

A: The SP1004U-ULC-04UTG supports operation to 125°C, compared to 85°C for the PHDMI2AB4Z. This extended range may be beneficial in thermally demanding environments but does not affect substitution if the application operates within the PHDMI2AB4Z temperature limits.

Q: Are both parts available in equivalent packaging formats?

A: The PHDMI2AB4Z is supplied in Tape & Reel (TR) format. The SP1004U-ULC-04UTG is available in Cut Tape (CT) and Digi-Reel® formats. Packaging format selection depends on assembly process requirements and volume considerations.