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SMC Diode Solutions SCT840B

DIODE

Answer first: this page is a purchasing reference for the exact part number SCT840B from SMC Diode Solutions. 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: SMC Diode Solutions Category: SCRs Part number: SCT840B Package: TO-220-3 RFQ verification required

Key Parameters

Part NumberSCT840B
ManufacturerSMC Diode Solutions
CategorySCRs
packageTO-220-3
series-
packagingBulk
product statusObsolete
param 1800 V
param 21.5 V
param 335 mA
param 41.55 V
param 5-
param 640 A
param 775 mA
param 810 µA
param 9460A @ 50Hz
param 10Standard Recovery
param 11-40°C ~ 150°C (TJ)
param 12-
param 13-
param 14Through Hole
param 15TO-220B

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

How to Verify SCT840B 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 SCT840B, 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.