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EPCOS - TDK Electronics LS40K440QP

VARISTOR 715V 40KA ENCASED DISC

Answer first: this page is a purchasing reference for the exact part number LS40K440QP from EPCOS - TDK Electronics. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: EPCOS - TDK Electronics Category: Varistors, MOVs Part number: LS40K440QP Package: Encased Disc RFQ verification required

Key Parameters

Part NumberLS40K440QP
ManufacturerEPCOS - TDK Electronics
CategoryVaristors, MOVs
packageEncased Disc
seriesHighE
packagingBulk
product statusActive
param 1440 V
param 2585 V
param 3643.5 V
param 4715 V
param 5786.5 V
param 640 kA
param 7950J
param 81
param 91700 pF @ 1 kHz
param 10-25°C ~ 85°C (TA)
param 11-
param 12-
param 13-
param 14Chassis Mount

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify LS40K440QP Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For LS40K440QP, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.