PESD3USB3B/CX Equivalent & Substitute Parts

Part Overview

The PESD3USB3B/CX is a Transient Voltage Suppressor (TVS) diode manufactured by Nexperia USA Inc., designed for protection in high-speed data interfaces. This component features a 4V reverse standoff voltage and 9.5A peak pulse current capability (8/20µs), making it suitable for HDMI and USB applications. The part is currently listed as Obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure supply chain availability.

Substiute Parts

PESD3USB3B/CX

Nexperia USA Inc.In Stock: 1131PESD3USB3B/CX Datasheet

Current PartRFQ

PESD3USB3B/CZ

Nexperia USA Inc.In Stock: 958PESD3USB3B/CZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PESD3USB3B/CX is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff (Typ): 4V (Max)
• Voltage - Breakdown (Min): 6V
• Current - Peak Pulse (10/1000µs): 9.5A (8/20µs)
• Capacitance @ Frequency: 0.29pF @ 1MHz
• Operating Temperature Range: -40°C ~ 125°C (TA)
• Package / Case: 15-UFBGA, WLCSP
• Supplier Device Package: 15-WLCSP (2.37x1.17)
• Applications: HDMI, USB
• RoHS Status: ROHS3 Compliant

The PESD3USB3B/CZ is identified as a manufacturer-recommended substitute. Both components share identical electrical specifications, thermal operating range, package geometry, and compliance certifications. The primary distinction is product status: PESD3USB3B/CX is Obsolete, while PESD3USB3B/CZ is Active, ensuring continued availability and manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

The PESD3USB3B/CZ is the designated substitute for PESD3USB3B/CX based on manufacturer recommendation and product lifecycle status. Both components maintain identical electrical and mechanical specifications, ensuring direct functional equivalence in HDMI and USB protection applications.

Selection of PESD3USB3B/CZ is supported by:

• Active product status with ongoing manufacturing support
• Full compliance with ROHS3 and REACH requirements
• Identical electrical performance across all specified parameters
• Matching package geometry and thermal characteristics
• Equivalent moisture sensitivity classification

No design modifications or circuit re-qualification are required when transitioning from PESD3USB3B/CX to PESD3USB3B/CZ.

Frequently Asked Questions (FAQ)

Q: Can PESD3USB3B/CZ be used as a direct replacement for PESD3USB3B/CX?

A: Yes. Both components are electrically and mechanically identical across all specified parameters. The PESD3USB3B/CZ is the active equivalent and requires no design changes.

Q: What is the primary reason for substitution?

A: PESD3USB3B/CX is Obsolete. PESD3USB3B/CZ is Active and maintains full supply availability.

Q: Are the package dimensions identical?

A: Yes. Both components use the 15-WLCSP (2.37x1.17) package with identical 15-UFBGA, WLCSP case specifications.

Q: Do compliance certifications differ between the two parts?

A: No. Both components are ROHS3 Compliant and REACH Unaffected with identical Moisture Sensitivity Level (MSL) ratings.

Q: Are there any electrical performance differences?

A: No. Voltage ratings, peak pulse current, capacitance, and operating temperature ranges are identical.