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V24ZC50 Equivalent & Substitute Parts
Part Overview
The V24ZC50 is a 23 V, 2 kA Transient Voltage Suppressor (TVS) varistor manufactured by Littelfuse Inc. in a through-hole disc package (20mm). This component is designed for transient voltage protection in electronic circuits with a single circuit configuration.
The V24ZC50 carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or repair requirements for systems utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Varistor Voltage (Typical) | 23 V |
| Current - Surge | 2 kA |
| Maximum DC Volts | 18 V |
| Maximum AC Volts | 14 V |
| Energy | 100 J |
| Number of Circuits | 1 |
| Capacitance @ 1 MHz | 18000 pF |
| Operating Temperature Range | -55°C to 85°C |
| Mounting Type | Through Hole |
| Package / Case | Disc 20mm |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution for the V24ZC50 is determined by strict equivalence across the following critical parameters:
- Varistor voltage rating (20.7 V minimum to 25.3 V maximum range)
- Surge current capacity (2 kA)
- Maximum DC and AC voltage ratings (18 V DC, 14 V AC)
- Energy absorption capability (100 J)
- Single circuit configuration
- Through-hole disc package (20mm)
- Operating temperature range (-55°C to 85°C)
- RoHS3 compliance
The substitute part V24ZC50P meets all these electrical and mechanical specifications identically, differing only in product status (Active vs. Obsolete) and packaging format (Bulk vs. standard).
Parameter Comparison
| Parameter | V24ZC50 (Main Part) | V24ZC50P (Substitute) |
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. |
| Series | ZC | ZC |
| Varistor Voltage (Min) | 20.7 V | 20.7 V |
| Varistor Voltage (Typ) | 23 V | 23 V |
| Varistor Voltage (Max) | 25.3 V | 25.3 V |
| Current - Surge | 2 kA | 2 kA |
| Maximum DC Volts | 18 V | 18 V |
| Maximum AC Volts | 14 V | 14 V |
| Energy | 100 J | 100 J |
| Number of Circuits | 1 | 1 |
| Capacitance @ 1 MHz | 18000 pF | 18000 pF |
| Operating Temperature | -55°C to 85°C | -55°C to 85°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Disc 20mm | Disc 20mm |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The V24ZC50P is the direct equivalent substitute for the V24ZC50. Both components are manufactured by Littelfuse Inc. within the ZC series and maintain identical electrical specifications and mechanical form factors.
The primary distinction is product status: V24ZC50 is Obsolete, while V24ZC50P is Active. This status difference reflects manufacturing availability and long-term supply chain viability. V24ZC50P carries ROHS3 compliance and REACH Unaffected status, meeting current regulatory requirements for electronic component procurement.
For new designs or ongoing production requiring this varistor specification, V24ZC50P is the appropriate selection. For legacy system maintenance where V24ZC50 inventory exists, direct substitution with V24ZC50P is electrically and mechanically valid.
Frequently Asked Questions (FAQ)
Q: Can V24ZC50P be used as a direct replacement for V24ZC50?
A: Yes. Both components share identical electrical ratings (23 V typical varistor voltage, 2 kA surge current, 100 J energy), mechanical packaging (through-hole disc 20mm), and operating temperature range (-55°C to 85°C). The components are functionally interchangeable.
Q: What is the difference between V24ZC50 and V24ZC50P?
A: The components are electrically and mechanically identical. V24ZC50 is Obsolete; V24ZC50P is Active. V24ZC50P is supplied in Bulk packaging, while V24ZC50 uses standard packaging. V24ZC50P includes documented REACH Unaffected status.
Q: Are there any package or mounting differences?
A: No. Both components use through-hole mounting with a disc 20mm package form factor. PCB layout and assembly procedures remain unchanged.
Q: Does V24ZC50P meet current compliance standards?
A: Yes. V24ZC50P is ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements for electronic component procurement and use.
Q: What parameters determine substitution eligibility for this varistor?
A: Substitution is based on matching varistor voltage rating (20.7 V to 25.3 V range), surge current capacity (2 kA), maximum voltage ratings (18 V DC, 14 V AC), energy absorption (100 J), circuit count (1), package type (disc 20mm), and operating temperature range (-55°C to 85°C).
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