Equivalent & Substitute Parts for PC06F3.5A

Part Overview

The PC06F3.5A is a 3.5 A surface mount board mount fuse manufactured by Eaton - Electronics Division, rated for 32 V AC/DC operation in 0603 (1608 Metric) package format. This component is classified as Obsolete, making identification of equivalent substitute parts essential for ongoing design support, maintenance, and production continuity. The fast blow response characteristic and UL approval provide baseline performance specifications for substitute evaluation.

Substiute Parts

PC06F3.5A

Eaton - Electronics DivisionIn Stock: 851PC06F3.5A Datasheet

Current PartRFQ

TR/0603FA3.5-R

Eaton - Electronics DivisionIn Stock: 840TR/0603FA3.5-R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete PC06F3.5A is determined by strict equivalence across the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Current Rating: 3.5 A (exact match required)
• Voltage Rating: 32 V AC and 32 V DC (exact match required)
• Package / Case: 0603 (1608 Metric) (exact match required)
• Mounting Type: Surface Mount (exact match required)
• Response Time: Fast Blow (exact match required)
• Fuse Type: Board Mount, Cartridge Style Excluded (exact match required)

The substitute part TR/0603FA3.5-R meets all primary substitution criteria. This part is manufactured by Eaton - Electronics Division and maintains electrical and mechanical compatibility with the original PC06F3.5A specification.

Parameter Comparison

Engineering Selection Recommendations

The TR/0603FA3.5-R is the direct substitute for the obsolete PC06F3.5A based on identical electrical and mechanical specifications across all primary substitution criteria. The substitute part is in active production status, ensuring long-term availability and supply chain continuity.

Compliance Advantages of TR/0603FA3.5-R:

• Holds both CSA and UL approvals (original part holds UL only)
• RoHS Compliant status (original part status not specified)
• Moisture Sensitivity Level improved from MSL 2 to MSL 1
• Operating temperature range explicitly specified (-55°C ~ 125°C)

Electrical Parameter Differences: The substitute part exhibits lower breaking capacity (35 A versus 50 A), lower DC cold resistance (0.022 Ohms versus 0.014 Ohms), and lower melting I²t value (0.12 versus 0.25844). These differences reflect design evolution within the same functional class and do not affect substitution validity for applications designed to the original PC06F3.5A specification.

Packaging Consideration: The substitute is supplied in Tape & Reel (TR) format, which is standard for high-volume surface mount assembly operations and provides improved handling and automated placement compatibility compared to loose component formats.

Frequently Asked Questions (FAQ)

Q: Can TR/0603FA3.5-R be used as a direct replacement for PC06F3.5A in existing designs?

A: Yes. The TR/0603FA3.5-R meets all primary electrical and mechanical substitution criteria: identical 3.5 A current rating, 32 V AC/DC voltage rating, 0603 package format, surface mount configuration, and fast blow response time. Both parts are manufactured by Eaton - Electronics Division and are functionally equivalent for circuit protection applications.

Q: What is the significance of the lower breaking capacity in the substitute part?

A: The TR/0603FA3.5-R has a breaking capacity of 35 A compared to 50 A in the PC06F3.5A. Breaking capacity defines the maximum fault current the fuse can safely interrupt. For applications designed to the original PC06F3.5A specification, the circuit protection requirements are met by the substitute part's 35 A breaking capacity. Applications requiring the higher 50 A breaking capacity would require alternative component selection.

Q: Why does the substitute part have higher DC cold resistance?

A: The TR/0603FA3.5-R exhibits 0.022 Ohms DC cold resistance compared to 0.014 Ohms in the original part. This represents a design variation within the same functional class. For circuit protection applications, this resistance difference is within acceptable tolerance for fuse element design and does not affect substitution validity.

Q: What does MSL 1 (Unlimited) mean compared to MSL 2 (1 Year)?

A: Moisture Sensitivity Level (MSL) indicates the component's sensitivity to moisture absorption during storage. MSL 1 (Unlimited) means the part can be stored indefinitely without special moisture control measures. MSL 2 (1 Year) requires controlled storage conditions and limits shelf life to one year. The substitute part's improved MSL rating provides better long-term storage stability.

Q: Is the Tape & Reel packaging compatible with my assembly process?

A: Tape & Reel (TR) packaging is the standard format for automated surface mount assembly. If your manufacturing process uses pick-and-place equipment for 0603 components, TR packaging is fully compatible. If your process requires loose components or alternative packaging formats, contact your supplier for packaging options.

Q: Are there any regulatory or compliance differences between the two parts?

A: The TR/0603FA3.5-R holds both CSA and UL approvals, while the original PC06F3.5A holds UL approval only. The substitute part is RoHS Compliant, with explicit operating temperature range specification (-55°C ~ 125°C). These represent improvements in regulatory coverage and environmental compliance for the substitute part.