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143 Series Parts

Use this page to review components grouped under the 143 series.

Compare manufacturer, package and stock references below, then open a product or add it directly to your sourcing request.

MATCHING PARTS 16 Results
PART NUMBER RESULTS

Matching 143 Components

Compare sourcing references and open a part for full technical information.

PART NUMBER 143150 HIGH AMP CB-TYPE III MANUAL,150A
Manufacturer OptiFuse
Package / Case
Stock Reference 307
View Part
PART NUMBER 143120 HIGH AMP CB-TYPE III MANUAL,120A
Manufacturer OptiFuse
Package / Case
Stock Reference 433
View Part
PART NUMBER 143040 HIGH AMP CB-TYPE III MANUAL, 40A
Manufacturer OptiFuse
Package / Case
Stock Reference 567
View Part
PART NUMBER 143080 HIGH AMP CB-TYPE III MANUAL, 80A
Manufacturer OptiFuse
Package / Case
Stock Reference 902
View Part
COMMON QUESTIONS

143 Series FAQ

Quick guidance for selection and sourcing.

What does the 143 series represent?

143 is used to group related components within a product family. Exact specifications and compatibility should always be confirmed against the manufacturer documentation.

How do I request pricing for a 143 part?

Choose a matching part below and add it to your sourcing request, or send the manufacturer part number and quantity through the RFQ page.

Can Winsun (HK) Electronics help with shortage or obsolete 143 parts?

Yes. We can review current sourcing channels, lead-time options and possible alternatives for shortage, EOL and hard-to-find requirements.

GLOBAL COMPONENT SOURCING

Need a Different Option for 143?

Send the exact part number, manufacturer and quantity. Winsun (HK) Electronics can review availability, lead time, shortage requirements and possible alternatives.