V150LU2 Equivalent & Substitute Parts Reference

Part Overview

The V150LU2 is a 240 V, 1.2 kA disc varistor manufactured by Littelfuse Inc., designed for transient voltage suppression in through-hole applications. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The varistor provides protection across a voltage range of 216 V to 264 V (typical 240 V) with 13 J energy absorption capability and operates reliably across -55°C to 85°C.

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
Capacitance @ 1 MHz	150 pF
Operating Temperature Range	-55°C to 85°C
Mounting Type	Through Hole
Package / Case	Disc 7mm
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the V150LU2 is based on strict electrical and mechanical parameter matching. All substitute parts maintain identical specifications across the following critical parameters:

Maximum AC Volts: 150 V
Maximum DC Volts: 200 V
Varistor Voltage Range: 216 V (Min) to 264 V (Max), with 240 V typical
Current - Surge: 1.2 kA
Energy Absorption: 13 J
Number of Circuits: 1
Capacitance @ 1 MHz: 150 pF
Operating Temperature: -55°C to 85°C
Mounting Type: Through Hole
Package / Case: Disc 7mm
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Substitute parts differ only in series designation (LU, LS, LT) and packaging format (bulk, cut tape, or tape & reel). All listed substitutes are manufactured by Littelfuse Inc. and carry active product status, ensuring long-term availability and supply chain continuity.

Parameter Comparison

Part Number	Manufacturer	Series	Packaging	Product Status	Max AC (V)	Max DC (V)	Varistor Voltage Typ (V)	Surge Current (kA)	Energy (J)	Operating Temp (°C)	Inventory (Pcs)
V150LU2	Littelfuse Inc.	LU	Bulk	Obsolete	150	200	240	1.2	13	-55 to 85	914
V150LU2P	Littelfuse Inc.	LU	Tape & Reel (TR)	Active	150	200	240	1.2	13	-55 to 85	922
V150LS2P	Littelfuse Inc.	LS	Cut Tape (CT)	Active	150	200	240	1.2	13	-55 to 85	10143
V150LS2PX1347	Littelfuse Inc.	LS	Tape & Reel (TR)	Active	150	200	240	1.2	13	-55 to 85	898
V150LS2PX2855	Littelfuse Inc.	LS	Tape & Reel (TR)	Active	150	200	240	1.2	13	-55 to 85	634
V150LT2P	Littelfuse Inc.	LT	Cut Tape (CT)	Active	150	200	240	1.2	13	-55 to 85	8912
V150LT2PX2855	Littelfuse Inc.	LT	Tape & Reel (TR)	Active	150	200	240	1.2	13	-55 to 85	1078
V150LU2PX2855	Littelfuse Inc.	LU	Tape & Reel (TR)	Active	150	200	240	1.2	13	-55 to 85	1133

Engineering Selection Recommendations

All substitute parts listed are manufactured by Littelfuse Inc. and maintain ROHS3 compliance with MSL 1 (Unlimited) rating. Selection among substitutes should be based on packaging requirements and product availability:

For automated assembly processes requiring tape & reel packaging, V150LU2P, V150LS2PX1347, V150LS2PX2855, V150LT2PX2855, or V150LU2PX2855 are appropriate selections. V150LT2P and V150LS2P are available in cut tape format for manual or semi-automated placement. V150LS2P offers the highest current inventory level (10,143 pcs), providing supply chain stability for high-volume applications.

All substitute parts carry active product status, ensuring manufacturer support and continued availability. The V150LU2 original part, classified as obsolete, should be replaced with one of the listed active alternatives for new designs or ongoing production support.

Frequently Asked Questions (FAQ)

Q: Can V150LU2 be directly replaced with V150LU2P? A: Yes. V150LU2P is a direct substitute with identical electrical and mechanical specifications. The difference is packaging format: V150LU2 is supplied in bulk, while V150LU2P is supplied in tape & reel format. Both are LU series components from Littelfuse Inc.

Q: What is the difference between LU, LS, and LT series designations? A: Series designation (LU, LS, LT) represents different manufacturing lines within Littelfuse Inc.'s varistor product family. All three series maintain identical electrical performance and mechanical specifications for this voltage and current rating. Selection between series is based on packaging availability and supply chain preference.

Q: Are packaging variants (CT, TR, bulk) electrically equivalent? A: Yes. Cut Tape (CT), Tape & Reel (TR), and bulk packaging contain identical components. Packaging selection depends on assembly process requirements: tape & reel for automated pick-and-place systems, cut tape for semi-automated processes, and bulk for manual assembly or reel consolidation.

Q: Is the V150LU2 suitable for new designs? A: No. The V150LU2 is classified as obsolete. New designs should specify one of the active substitute parts: V150LU2P, V150LS2P, V150LS2PX1347, V150LS2PX2855, V150LT2P, V150LT2PX2855, or V150LU2PX2855.

Q: Do all substitutes meet the same compliance standards? A: Yes. All substitute parts are ROHS3 compliant with MSL 1 (Unlimited) rating and REACH Unaffected status. Compliance certifications are identical across all active alternatives.

Q: Which substitute offers the best supply availability? A: V150LS2P (Cut Tape format) currently maintains the highest inventory level at 10,143 pcs, followed by V150LT2P at 8,912 pcs. Both are suitable for immediate procurement and high-volume applications.

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