V12ZC05P Equivalent & Substitute Parts

Part Overview

The V12ZC05P is a 12.5 V, 50 A Transient Voltage Suppressor (TVS) varistor manufactured by Littelfuse Inc. in the ZC series. This through-hole disc component (5mm) is designed for transient voltage protection in electronic circuits. The part is currently active in production with 1115 units in stock. Finding equivalent substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain component availability across manufacturing cycles.

Substiute Parts

V12ZC05P

Littelfuse Inc.In Stock: 1223V12ZC05P Datasheet

Current PartRFQ

V12ZA05P

Littelfuse Inc.In Stock: 17575V12ZA05P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the V12ZC05P is determined by strict equivalence across the following critical parameters:

• Varistor voltage range: 9 V (minimum) to 16 V (maximum), with 12.5 V typical
• Surge current rating: 50 A
• Maximum AC and DC voltage ratings: 6 V AC, 8 V DC
• Energy dissipation: 0.14 J
• Mounting configuration: Through hole
• Package form factor: Disc 5mm
• Operating temperature range: -55°C to 85°C
• Number of circuits: 1
• Capacitance at 1 MHz: 1700 pF

The V12ZA05P qualifies as a parametric equivalent because it maintains identical electrical specifications and mechanical compatibility across all these parameters, differing only in series designation (ZA versus ZC).

Parameter Comparison

Engineering Selection Recommendations

Both the V12ZC05P and V12ZA05P are active production components from Littelfuse Inc. with identical electrical and mechanical specifications. Selection between these parts should be based on:

• Inventory availability: V12ZA05P has higher stock levels (17520 units) compared to V12ZC05P (1115 units)
• Supply chain requirements: Either part satisfies ROHS3 compliance and REACH unaffected status
• Series preference: The ZA series substitute offers equivalent performance with improved availability

Both parts are suitable for direct substitution in applications requiring 12.5 V transient voltage suppression with 50 A surge current capacity in through-hole disc 5mm form factor.

Frequently Asked Questions (FAQ)

Q: Can V12ZA05P replace V12ZC05P in existing designs?

A: Yes. The V12ZA05P is a parametric equivalent with identical varistor voltage (12.5 V typical), surge current (50 A), voltage ratings (6 V AC, 8 V DC), energy dissipation (0.14 J), and mechanical form factor (through-hole disc 5mm). No circuit modifications are required.

Q: What is the difference between the ZC and ZA series?

A: The ZC and ZA designations represent different series within Littelfuse's varistor product line. Both series share identical electrical specifications and mechanical compatibility for this voltage and current rating. The series designation does not affect functional performance in the application.

Q: Are there any compliance differences between these parts?

A: No. Both V12ZC05P and V12ZA05P carry identical compliance certifications: ROHS3 compliant, REACH unaffected, and EAR99 ECCN classification.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -55°C to 85°C ambient temperature range, suitable for industrial and commercial applications.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. Both parts use identical through-hole mounting with 5mm disc package geometry, allowing direct PCB footprint compatibility without layout modifications.