V39ZC05P Equivalent & Substitute Parts

Part Overview

The V39ZC05P is a 39 V, 100 A Varistor manufactured by Littelfuse Inc., designed for transient voltage suppression applications. This through-hole disc component (5mm) operates across a temperature range of -55°C to 85°C and is ROHS3 compliant. The part is currently in active production status with 886 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

V39ZC05P

Littelfuse Inc.In Stock: 993V39ZC05P Datasheet

Current PartRFQ

V39ZA05P

LittelfuseIn Stock: 1141V39ZA05P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the V39ZC05P is determined by strict equivalence across the following critical parameters:

• Varistor voltage rating (minimum, typical, and maximum values)
• Surge current capacity
• Maximum AC and DC voltage ratings
• Energy absorption capability
• Capacitance characteristics
• Operating temperature range
• Mounting type and package form factor
• Compliance certifications (RoHS, REACH)

The V39ZA05P qualifies as a parametric equivalent based on identical electrical specifications across all listed parameters. Both parts are manufactured by Littelfuse Inc., belong to the same product category (Transient Voltage Suppressors), and share the same through-hole disc 5mm package configuration. The primary distinction is the series designation (ZC versus ZA), which reflects different manufacturing series within the same product family.

Parameter Comparison

Engineering Selection Recommendations

Both the V39ZC05P and V39ZA05P are active production components with full ROHS3 compliance and REACH unaffected status. Selection between these parts should be based on availability and procurement lead times. The V39ZA05P offers higher current inventory (1043 units versus 886 units), which may provide supply chain advantages in high-volume applications. Both parts meet identical electrical and mechanical specifications, ensuring direct functional interchangeability in circuit applications requiring 39 V varistor protection with 100 A surge capacity.

Frequently Asked Questions (FAQ)

Q: Can the V39ZA05P be used as a direct replacement for the V39ZC05P?

A: Yes. Both parts are parametric equivalents with identical electrical ratings, operating temperature ranges, and through-hole disc 5mm package configurations. No circuit modifications are required.

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

A: The series designation reflects different manufacturing series within Littelfuse's varistor product family. Both series meet identical performance specifications for this voltage and current rating.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts carry ROHS3 compliance, REACH unaffected status, and identical moisture sensitivity levels (MSL 1 - Unlimited).

Q: What determines whether a varistor can substitute for the V39ZC05P?

A: Substitution requires matching the varistor voltage rating (35.1 V minimum to 42.9 V maximum), surge current capacity (100 A), maximum AC/DC voltage ratings (25 V AC, 31 V DC), energy absorption (0.3 J), capacitance (675 pF @ 1 MHz), operating temperature range (-55°C to 85°C), and through-hole disc 5mm package form factor.

Q: Can parts from other manufacturers substitute for the V39ZC05P?

A: Substitution from other manufacturers is possible only if all electrical parameters, package dimensions, and compliance certifications match exactly. The provided substitute list includes only Littelfuse parts meeting these criteria.

Q: What is the significance of the 675 pF capacitance specification?

A: Capacitance at 1 MHz is a critical parameter for high-frequency transient suppression applications. Substitute parts must match this value to ensure equivalent performance in frequency-dependent circuit conditions.