Equivalent & Substitute Parts for V22ZA3P

Part Overview

The V22ZA3P is a 22 V, 1 kA Transient Voltage Suppressor (TVS) varistor manufactured by Littelfuse Inc. in a through-hole disc package (14mm). This component is designed for transient voltage protection in electronic circuits and is currently in active production status. Alternative equivalent parts may be required due to supply chain considerations, inventory availability, or specific application requirements where substitute electrical or mechanical parameters are acceptable within design tolerances.

Substiute Parts

V22ZA3P

Littelfuse Inc.In Stock: 1441V22ZA3P Datasheet

Current PartRFQ

B72214S0140K101

EPCOS - TDK ElectronicsIn Stock: 1000463B72214S0140K101 Datasheet

MFR RecommendedRFQ

ERZ-V14D220

Panasonic Electronic ComponentsIn Stock: 971ERZ-V14D220 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Equivalent and substitute parts for the V22ZA3P are determined by the following critical parameters:

Primary Substitution Criteria:

• Varistor Voltage (Typical): 22 V nominal
• Varistor Voltage Range: 19.8 V to 24.2 V (minimum to maximum)
• Maximum AC Volts: 14 V
• Maximum DC Volts: 18 V
• Number of Circuits: 1
• Mounting Type: Through Hole
• Package Category: Disc form factor

Secondary Compatibility Parameters:

• Current - Surge rating (1 kA minimum acceptable)
• Energy rating (4 J minimum acceptable)
• Operating Temperature Range (must encompass application requirements)
• RoHS and REACH compliance status

Parts meeting these electrical and mechanical criteria are classified as direct equivalents or acceptable substitutes. Variations in surge current capacity, energy rating, or package dimensions (within disc form factor) indicate enhanced or alternative performance characteristics suitable for specific design scenarios.

Parameter Comparison

Engineering Selection Recommendations

B72214S0140K101 (EPCOS - TDK Electronics): This part is a direct electrical equivalent to the V22ZA3P with identical varistor voltage range, maximum AC/DC voltage ratings, surge current capacity, and energy rating. The package form factor is identical (Disc 14mm). The operating temperature range extends to 105°C maximum, providing enhanced thermal performance compared to the primary part. Both parts maintain ROHS3 compliance and REACH unaffected status. This substitute is suitable for applications where the extended upper temperature limit is beneficial or where EPCOS supply chain availability is preferred.

ERZ-V14D220 (Panasonic Electronic Components): This part meets the core varistor voltage specification (22 V nominal) and maximum AC/DC voltage requirements. The surge current capacity is rated at 2 kA (double the primary part) and energy rating is 6.3 J (exceeding the 4 J specification). The package form factor is a through-hole disc, with a slightly larger diameter (15.5mm versus 14mm). The operating temperature range is -40°C to 85°C. This substitute provides enhanced surge current handling and energy absorption capability. ROHS3 compliance and REACH unaffected status are maintained. This substitute is applicable where increased transient energy absorption or higher surge current tolerance is required, provided the 15.5mm package dimension accommodates the circuit board layout.

All substitute parts maintain active product status and full regulatory compliance with the primary part.

Frequently Asked Questions (FAQ)

Q: Can B72214S0140K101 be used as a direct replacement for V22ZA3P? A: Yes. Both parts share identical varistor voltage specifications (22 V nominal, 19.8 V to 24.2 V range), maximum AC/DC voltage ratings (14 V AC, 18 V DC), surge current capacity (1 kA), energy rating (4 J), and package form factor (Disc 14mm through-hole). The primary difference is the extended maximum operating temperature of 105°C on the EPCOS part versus 85°C on the Littelfuse part.

Q: What are the key differences between V22ZA3P and ERZ-V14D220? A: Both parts meet the 22 V varistor voltage and 14 V AC / 18 V DC maximum voltage requirements. The ERZ-V14D220 provides enhanced performance with 2 kA surge current capacity (versus 1 kA) and 6.3 J energy rating (versus 4 J). The package diameter is 15.5mm instead of 14mm. The operating temperature range is -40°C to 85°C. These differences indicate the Panasonic part is rated for higher transient stress conditions.

Q: Are there any package compatibility concerns when substituting these parts? A: The B72214S0140K101 maintains identical package dimensions (Disc 14mm) and is a direct physical fit. The ERZ-V14D220 uses a Disc 15.5mm package, which is slightly larger in diameter. Circuit board layout and component spacing must be verified to ensure the larger package does not create mechanical interference or violate design clearance requirements.

Q: Do all substitute parts meet the same regulatory compliance standards? A: Yes. All three parts (V22ZA3P, B72214S0140K101, and ERZ-V14D220) are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Which substitute should be selected for applications requiring extended temperature operation? A: The B72214S0140K101 supports operating temperatures up to 105°C, compared to 85°C for both the V22ZA3P and ERZ-V14D220. If the application requires sustained operation above 85°C, the EPCOS part is the appropriate selection.

Q: When should ERZ-V14D220 be selected over the other options? A: The ERZ-V14D220 is selected when the application requires higher transient energy absorption (6.3 J versus 4 J) or increased surge current handling (2 kA versus 1 kA). This is typical in circuits exposed to more severe transient voltage events. The larger package diameter must be accommodated in the circuit board design.