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SMC Diode Solutions S4D04120A

DIODE SIL CARB 1.2KV 4A TO220AC

Answer first: this page is a purchasing reference for the exact part number S4D04120A 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: Single Diodes Part number: S4D04120A Package: TO-220-2 RFQ verification required

Key Parameters

Part NumberS4D04120A
ManufacturerSMC Diode Solutions
CategorySingle Diodes
packageTO-220-2
series-
packagingTube
product statusActive
param 1SiC (Silicon Carbide) Schottky
param 21200 V
param 34A
param 41.8 V @ 4 A
param 5No Recovery Time > 500mA (Io)
param 60 ns
param 720 µA @ 1200 V
param 8302pF @ 0V, 1MHz
param 9-
param 10-
param 11Through Hole
param 12TO-220AC (TO-220-2)
param 13-55°C ~ 175°C

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

How to Verify S4D04120A 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 S4D04120A, 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.