V140LC5 Equivalent & Substitute Parts

Part Overview

The V140LC5 is a 220 V, 2.5 kA varistor manufactured by Littelfuse Inc., designed for transient voltage suppression in through-hole disc configurations. This component is classified as obsolete, making identification of suitable substitutes essential for ongoing system maintenance and new design implementations. The V140LC5 operates across a temperature range of -55°C to 85°C and provides 22 J energy absorption capacity with ROHS3 compliance.

Key Parameters

Parameter	Value
Manufacturer	Littelfuse Inc.
Category	Transient Voltage Suppressors (TVS)
Maximum AC Volts	140 V
Maximum DC Volts	180 V
Varistor Voltage (Typical)	220 V
Current - Surge	2.5 kA
Energy	22 J
Number of Circuits	1
Mounting Type	Through Hole
Package / Case	Disc 10mm
Operating Temperature	-55°C ~ 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the V140LC5 is determined by strict equivalence across the following critical parameters:

Maximum AC Volts: 140 V
Maximum DC Volts: 180 V
Varistor Voltage (Typical): 220 V
Current - Surge: 2.5 kA
Energy: 22 J
Number of Circuits: 1
Mounting Type: Through Hole
Package / Case: Disc 10mm
Operating Temperature Range: -55°C ~ 85°C
RoHS Compliance: ROHS3 Compliant

The V140LC5P qualifies as a direct substitute based on identical electrical specifications and mechanical form factor. The primary distinction is product status: V140LC5 is obsolete, while V140LC5P remains active in production.

Parameter Comparison

Parameter	V140LC5	V140LC5P
Manufacturer	Littelfuse Inc.	Littelfuse Inc.
Maximum AC Volts	140 V	140 V
Maximum DC Volts	180 V	180 V
Varistor Voltage (Min)	198 V	198 V
Varistor Voltage (Typ)	220 V	220 V
Varistor Voltage (Max)	242 V	242 V
Current - Surge	2.5 kA	2.5 kA
Energy	22 J	22 J
Number of Circuits	1	1
Capacitance @ 1 MHz	400 pF	400 pF
Operating Temperature	-55°C ~ 85°C	-55°C ~ 85°C
Mounting Type	Through Hole	Through Hole
Package / Case	Disc 10mm	Disc 10mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active

Engineering Selection Recommendations

The V140LC5P is the direct equivalent for the obsolete V140LC5. Both components share identical electrical ratings, mechanical specifications, and compliance certifications. Selection of V140LC5P is appropriate for applications requiring the V140LC5, with the advantage of active product status and ongoing manufacturing availability. The V140LC5P maintains ROHS3 compliance and REACH unaffected status, supporting regulatory requirements for current designs.

Frequently Asked Questions (FAQ)

Q: Can V140LC5P be used as a direct replacement for V140LC5? A: Yes. The V140LC5P is electrically and mechanically equivalent to the V140LC5 across all specified parameters, including voltage ratings, surge current capacity, energy absorption, and package form factor.

Q: What is the primary difference between V140LC5 and V140LC5P? A: The V140LC5 is classified as obsolete, while V140LC5P is an active product. Both components are identical in electrical and mechanical specifications.

Q: Are there any packaging differences between these parts? A: The V140LC5 is supplied in standard packaging, while V140LC5P is supplied in bulk packaging. Both use the same Disc 10mm through-hole form factor.

Q: Do both parts meet current compliance standards? A: Yes. Both V140LC5 and V140LC5P are ROHS3 compliant. V140LC5P additionally carries REACH unaffected status.

Q: What are the critical parameters for substitution in this varistor category? A: Voltage ratings (AC/DC), varistor voltage (typical value), surge current capacity, energy absorption, circuit count, mounting type, and package form factor must remain identical for direct substitution.

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