V150LA2 Equivalent & Substitute Parts

Part Overview

The V150LA2 is a 240 V, 1.2 kA Transient Voltage Suppressor (TVS) varistor manufactured by Littelfuse Inc. in a through-hole disc 7mm package. This component is designed for transient voltage suppression applications requiring single-circuit protection with 13J energy rating.

The V150LA2 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.

Key Parameters

Parameter	Value
Manufacturer	Littelfuse Inc.
Category	Transient Voltage Suppressors (TVS)
Maximum AC Volts	150 V
Maximum DC Volts	200 V
Varistor Voltage (Typical)	240 V
Current - Surge	1.2 kA
Energy	13 J
Number of Circuits	1
Operating Temperature Range	-55°C to 85°C
Mounting Type	Through Hole
Package / Case	Disc 7mm
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the V150LA2 is determined by strict equivalence across the following critical parameters:

Maximum AC Volts: 150 V
Maximum DC Volts: 200 V
Varistor Voltage (Typical): 240 V
Current - Surge: 1.2 kA
Energy: 13 J
Number of Circuits: 1
Mounting Type: Through Hole
Package / Case: Disc 7mm
Operating Temperature Range: -55°C to 85°C
RoHS Compliance: ROHS3 Compliant

The V150LA2P qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility. The primary distinction is product status: V150LA2P is active and available, whereas V150LA2 is obsolete.

Parameter Comparison

Parameter	V150LA2	V150LA2P
Manufacturer	Littelfuse Inc.	Littelfuse Inc.
Series	LA	LA
Maximum AC Volts	150 V	150 V
Maximum DC Volts	200 V	200 V
Varistor Voltage (Min)	216 V	216 V
Varistor Voltage (Typ)	240 V	240 V
Varistor Voltage (Max)	264 V	264 V
Current - Surge	1.2 kA	1.2 kA
Energy	13 J	13 J
Number of Circuits	1	1
Operating Temperature	-55°C to 85°C	-55°C to 85°C
Mounting Type	Through Hole	Through Hole
Package / Case	Disc 7mm	Disc 7mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active

Engineering Selection Recommendations

The V150LA2P is the direct substitute for the V150LA2. Both components are manufactured by Littelfuse Inc. and share identical electrical and mechanical specifications across all critical parameters. The V150LA2P is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Selection of V150LA2P is appropriate for applications requiring the electrical characteristics of the V150LA2. The active product status of V150LA2P ensures ongoing availability and supply chain support, addressing the obsolescence of the original V150LA2.

Frequently Asked Questions (FAQ)

Q: Can V150LA2P be used as a direct replacement for V150LA2?

A: Yes. The V150LA2P is electrically and mechanically equivalent to the V150LA2. Both components have identical varistor voltage ratings (240 V typical), surge current capacity (1.2 kA), energy rating (13 J), and package configuration (disc 7mm through-hole).

Q: What is the difference between V150LA2 and V150LA2P?

A: The primary difference is product status. V150LA2 is obsolete, while V150LA2P is active. The V150LA2P is available in bulk packaging and has higher inventory availability. Capacitance at 1 MHz differs slightly (150 pF for V150LA2P versus 180 pF for V150LA2), but this does not affect substitution suitability for standard TVS applications.

Q: Are both parts RoHS compliant?

A: Yes. Both V150LA2 and V150LA2P are ROHS3 compliant. The V150LA2P additionally carries REACH unaffected status.

Q: What is the operating temperature range for these components?

A: Both components operate across -55°C to 85°C ambient temperature range.

Q: Can these varistors be used in AC or DC circuits?

A: These components are rated for both AC and DC applications. Maximum AC voltage is 150 V and maximum DC voltage is 200 V.

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