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Texas Instruments PT4221C

DC DC CONVERTER 1.8V 10W

Answer first: this page is a purchasing reference for the exact part number PT4221C from Texas Instruments. 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: Texas Instruments Part number: PT4221C Package: 10-SMD Module RFQ verification required

Key Parameters

Part NumberPT4221C
ManufacturerTexas Instruments
CategoryDC DC Converters
package10-SMD Module
seriesExcalibur™ PT4220 (10W)
packagingTray
product statusObsolete
param 1Isolated Module
param 21
param 336V
param 475V
param 51.8V
param 6-
param 7-
param 8-
param 93A
param 1010 W
param 111.5 kV
param 12ITE (Commercial)
param 13Remote On/Off, OCP, SCP, UVLO
param 14-40°C ~ 85°C
param 1573%
param 16-
param 17-
param 18Surface Mount
param 192.00" L x 1.19" W x 0.31" H (50.8mm x 30.2mm x 7.9mm)
param 20-
param 21-
param 22-
param 23-

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

How to Verify PT4221C 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 PT4221C, 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.