V20P320PL4B Equivalent & Substitute Parts

Part Overview

The V20P320PL4B is a 510 V, 10 kA Transient Voltage Suppressor (TVS) varistor manufactured by Littelfuse Inc. in the UltraMOV™ series. This through-hole disc component (20mm) is designed for transient voltage protection in industrial and commercial applications. The part is Active status and ROHS3 compliant. Substitute parts may be required due to inventory availability, supply chain considerations, or specific application requirements while maintaining equivalent electrical and mechanical performance.

Substiute Parts

V20P320PL4B

Littelfuse Inc.In Stock: 680V20P320PL4B Datasheet

Current PartRFQ

TMOV20RP320E

Littelfuse Inc.In Stock: 5708TMOV20RP320E Datasheet

Parametric EquivalentRFQ

V20E320P

Littelfuse Inc.In Stock: 1615V20E320P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the V20P320PL4B are qualified based on the following critical parameters that determine functional equivalence:

• Maximum AC Volts: 320 V
• Maximum DC Volts: 420 V
• Varistor Voltage (Typical): 510 V
• Current - Surge: 10 kA
• Mounting Type: Through Hole
• Package / Case: Disc 20mm
• Operating Temperature Range: -55°C ~ 85°C
• RoHS Status: ROHS3 Compliant

All substitute parts listed maintain these electrical and mechanical specifications, ensuring direct compatibility in circuit applications designed for the V20P320PL4B.

Parameter Comparison

Engineering Selection Recommendations

All three parts—V20P320PL4B, TMOV20RP320E, and V20E320P—are Active status components manufactured by Littelfuse Inc. and are ROHS3 compliant. Selection between these parts should be based on:

• Inventory availability and lead time requirements
• Series preference (UltraMOV™ or TMOV®)
• Energy rating tolerance (V20P320PL4B and V20E320P at 273 J versus TMOV20RP320E at 270 J)
• Application-specific thermal management needs (TMOV20RP320E includes thermal protection feature)

All parts meet the electrical specifications required for 510 V transient voltage suppression with 10 kA surge current capacity in through-hole disc 20mm packaging.

Frequently Asked Questions (FAQ)

Q: Can TMOV20RP320E be used as a direct replacement for V20P320PL4B?

A: Yes. Both parts share identical electrical ratings (320 V AC, 420 V DC, 510 V typical varistor voltage, 10 kA surge current) and mechanical specifications (through-hole, disc 20mm package). The primary difference is the series designation (TMOV® versus UltraMOV™) and the inclusion of thermal protection in TMOV20RP320E. Energy rating differs by 3 J (270 J versus 273 J), which is within acceptable tolerance for equivalent performance.

Q: What is the difference between V20E320P and V20P320PL4B?

A: Both parts are from the UltraMOV™ series with identical electrical and mechanical specifications. They share the same voltage ratings, surge current capacity, energy rating (273 J), and through-hole disc 20mm package. The part number variation reflects different manufacturing or packaging designations but does not affect functional equivalence.

Q: Are all three parts suitable for the same circuit application?

A: Yes. All three parts meet the same electrical requirements: 320 V AC maximum, 420 V DC maximum, 510 V typical varistor voltage, and 10 kA surge current handling. They are mechanically compatible with identical through-hole disc 20mm packaging and operating temperature range (-55°C to 85°C).

Q: Does the thermal protection feature in TMOV20RP320E affect compatibility?

A: No. Thermal protection is an additional safety feature that does not compromise compatibility. It provides enhanced protection in applications subject to thermal stress but does not alter the core electrical performance or mechanical fit.

Q: Are all parts RoHS compliant?

A: Yes. All three parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.