VCUG040150L1WP Equivalent & Substitute Parts

Part Overview

The VCUG040150L1WP is a 25V varistor manufactured by KYOCERA AVX, designed for transient voltage suppression in surface mount applications. This component is classified as a Transient Voltage Suppressor (TVS) in the 0402 (1005 Metric) package format and is currently in active production status. The varistor provides single-circuit protection with a 15A surge current rating and 0.02J energy absorption capability. Substitute parts are identified to address component availability, supply chain continuity, or specific application requirements while maintaining functional equivalence within defined electrical and mechanical parameters.

Substiute Parts

VCUG040150L1WP

KYOCERA AVXIn Stock: 717VCUG040150L1WP Datasheet

Current PartRFQ

CPDQR5V0

Comchip TechnologyIn Stock: 100413CPDQR5V0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the VCUG040150L1WP is evaluated based on the following critical parameters that define functional equivalence:

• Package / Case Format: 0402 (1005 Metric) surface mount package ensures mechanical and thermal compatibility with existing PCB layouts
• Number of Circuits: Single-circuit configuration for point-to-point protection
• Voltage Rating: Maximum DC voltage and clamping voltage specifications must accommodate the application's transient suppression requirements
• Current Handling: Surge current and peak pulse current ratings determine the component's ability to absorb transient energy
• Capacitance: Operating frequency characteristics at 1 MHz
• Environmental Compliance: RoHS3 compliance and MSL rating ensure regulatory and manufacturing process compatibility
• Operating Temperature Range: Functional performance across specified thermal limits

The substitute part CPDQR5V0 (Comchip Technology TVS Diode) is classified as a functional alternative based on shared package format, single-circuit configuration, surface mount technology, and equivalent environmental compliance certifications. However, electrical parameter differences exist and must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both the VCUG040150L1WP and CPDQR5V0 maintain active production status and comply with ROHS3 environmental standards. Both components feature MSL 1 (Unlimited) moisture sensitivity ratings, indicating compatibility with standard manufacturing and storage processes without special handling requirements.

The primary distinction between these components lies in their voltage and current specifications. The VCUG040150L1WP operates at a 25V varistor voltage with 15A surge current capacity, while the CPDQR5V0 functions at a 5V reverse standoff voltage with 5A peak pulse current. These differences define the application domain for each component. Selection must be based on the specific transient voltage levels and energy absorption requirements of the target circuit.

Both components are supplied in 0402 package format with single-circuit configurations, supporting direct PCB footprint compatibility. The CPDQR5V0 is specified with a 0402 (1006 Metric) variant, which may present minor dimensional considerations relative to the VCUG040150L1WP's 0402 (1005 Metric) specification.

Frequently Asked Questions (FAQ)

Q: Can the CPDQR5V0 directly replace the VCUG040150L1WP in all applications?

A: Direct replacement is not universally applicable. The CPDQR5V0 operates at significantly lower voltage ratings (5V standoff versus 25V varistor voltage) and reduced current capacity (5A versus 15A). Substitution is valid only when the application's transient voltage levels and surge current requirements align with the CPDQR5V0's electrical specifications.

Q: Are there package compatibility concerns between these components?

A: Both components use 0402 surface mount packages. The VCUG040150L1WP is specified as 0402 (1005 Metric), while the CPDQR5V0 is specified as 0402 (1006 Metric). These designations represent minor dimensional variants within the 0402 family. PCB footprint compatibility should be verified against the specific component datasheets and manufacturing tolerances.

Q: What are the key electrical parameters that determine substitution eligibility?

A: Substitution eligibility is determined by: (1) Voltage - Reverse Standoff or Varistor Voltage rating relative to circuit transient levels, (2) Current - Surge or Peak Pulse rating relative to expected transient energy, (3) Voltage - Clamping specification to ensure adequate protection, and (4) Package format and mounting type for physical compatibility.

Q: Do both components meet the same environmental compliance standards?

A: Yes. Both the VCUG040150L1WP and CPDQR5V0 are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings. Both are classified as REACH Unaffected and carry EAR99 ECCN designations, ensuring equivalent regulatory and supply chain compatibility.

Q: What is the significance of the capacitance difference between these components?

A: The VCUG040150L1WP exhibits 40 pF capacitance at 1 MHz, while the CPDQR5V0 exhibits 15 pF. This difference may affect high-frequency circuit behavior and signal integrity in applications sensitive to parasitic capacitance. Applications operating at frequencies where capacitive loading is critical should evaluate this parameter against circuit requirements.