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onsemi CAT521LI

IC POT DIG PROG V OUT 14DIP

Answer first: this page is a purchasing reference for the exact part number CAT521LI from onsemi. 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: onsemi Category: Digital Potentiometers Part number: CAT521LI Package: 14-DIP (0.300", 7.62mm) RFQ verification required

Key Parameters

Part NumberCAT521LI
Manufactureronsemi
CategoryDigital Potentiometers
package14-DIP (0.300", 7.62mm)
series-
packagingBulk
product statusObsolete
param 1Not Verified
param 2-
param 3-
param 41
param 5256
param 624k
param 7-
param 8Non-Volatile
param 92.7V ~ 5.5V
param 10-
param 11-
param 12300ppm/°C
param 13Through Hole
param 14-
param 15-
param 1614-PDIP
param 17-40°C ~ 85°C
param 18-

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

How to Verify CAT521LI 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 CAT521LI, 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.