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Panasonic Electric Works SF4D-DC21V

RELAY GEN PURPOSE 8PST 6A 21V

Answer first: this page is a purchasing reference for the exact part number SF4D-DC21V from Panasonic Electric Works. 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: Panasonic Electric Works Part number: SF4D-DC21V Package: RFQ verification required

Key Parameters

Part NumberSF4D-DC21V
ManufacturerPanasonic Electric Works
CategoryPower Relays, Over 2 Amps
seriesSF
packagingBox
product statusActive
param 1Through Hole
param 221VDC
param 38PST-4NO/4NC (4 Form A, 4 Form B)
param 46 A
param 5440VAC, 30VDC - Max
param 62640VA, 180W
param 7-
param 8Non Latching
param 9-
param 10PC Pin
param 11-
param 12-
param 1315.75 VDC
param 143.15 VDC
param 1530 ms
param 1615 ms
param 17-40°C ~ 70°C
param 18Silver Tin Oxide (AgSnO), Gold (Au)
param 19cURus, TUV
param 20General Purpose
param 21-
param 22-

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

How to Verify SF4D-DC21V 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 SF4D-DC21V, 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.