Equivalent & Substitute Parts for PCB-3-R

Part Overview

The PCB-3-R is a 3 A board mount fuse manufactured by Eaton - Electronics Division, part of the PC-Tron® series. This through-hole radial fuse is rated for 250 V AC and 450 V DC operation with fast-blow response characteristics. The component is designed for direct soldering onto printed circuit boards and is classified as active product status. Substitute parts are identified when inventory constraints, supply chain disruptions, or design revisions necessitate alternative part numbers that maintain identical electrical and mechanical specifications.

Substiute Parts

PCB-3-R

Eaton - Electronics DivisionIn Stock: 981PCB-3-R Datasheet

Current PartRFQ

BK/PCB-3-R

Eaton - Electronics DivisionIn Stock: 20155BK/PCB-3-R Datasheet

DirectRFQ

BK/PCC-3-R

Eaton - Electronics DivisionIn Stock: 2654BK/PCC-3-R Datasheet

Parametric EquivalentRFQ

BK/PCH-3-R

Eaton - Electronics DivisionIn Stock: 1745BK/PCH-3-R Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for PCB-3-R are classified based on strict electrical and mechanical parameter equivalence. All substitute parts maintain identical specifications across the following critical parameters:

• Current Rating: 3 A
• Voltage Rating - AC: 250 V
• Voltage Rating - DC: 450 V
• Response Time: Fast Blow
• Mounting Type: Through Hole
• Fuse Type: Board Mount (Cartridge Style Excluded)
• Package / Case: Radial, Box
• Breaking Capacity @ Rated Voltage: 50 A AC, 4.4 kA DC
• Melting I²t: 0.75
• Physical Dimensions: 0.350" L x 0.184" W x 0.345" H (8.89 mm x 4.67 mm x 8.76 mm)
• Approval Agency: CSA, UL
• RoHS Status: ROHS3 Compliant
• Series: PC-Tron®

All substitute parts are manufactured by Eaton - Electronics Division and carry active product status. Substitution is valid only when all parameters listed above remain unchanged.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts—BK/PCB-3-R, BK/PCC-3-R, and BK/PCH-3-R—are direct parametric equivalents to PCB-3-R and are interchangeable for circuit protection applications requiring 3 A fast-blow fuse protection at 250 V AC / 450 V DC. Each part carries active product status and maintains CSA and UL approval certifications. All parts comply with ROHS3 requirements and are manufactured by Eaton - Electronics Division within the PC-Tron® series.

Selection between these parts should be based on inventory availability and supply chain requirements, as electrical and mechanical performance characteristics are identical. BK/PCB-3-R offers the highest inventory level at 20,099 pieces, followed by BK/PCC-3-R at 2,551 pieces and BK/PCH-3-R at 1,690 pieces.

Frequently Asked Questions (FAQ)

Q: Can BK/PCB-3-R be used as a direct replacement for PCB-3-R?

A: Yes. BK/PCB-3-R is a direct substitute with identical electrical ratings (3 A, 250 V AC, 450 V DC), response time (fast-blow), mounting configuration (through-hole radial), physical dimensions, breaking capacity, and regulatory certifications (CSA, UL).

Q: Are BK/PCC-3-R and BK/PCH-3-R functionally equivalent to PCB-3-R?

A: Yes. Both parts maintain identical specifications across all critical parameters: current rating, voltage ratings, response time, mounting type, package configuration, breaking capacity, melting I²t, physical dimensions, and regulatory approvals.

Q: What determines whether a part can substitute for PCB-3-R?

A: Substitution is valid only when the following parameters remain unchanged: 3 A current rating, 250 V AC / 450 V DC voltage ratings, fast-blow response, through-hole mounting, radial box package, 50 A AC / 4.4 kA DC breaking capacity, 0.75 melting I²t, and identical physical dimensions of 8.89 mm x 4.67 mm x 8.76 mm.

Q: Do all substitute parts carry the same regulatory approvals?

A: Yes. PCB-3-R, BK/PCB-3-R, BK/PCC-3-R, and BK/PCH-3-R all carry CSA and UL approvals and comply with ROHS3 requirements.

Q: Are there differences in packaging or physical form factor between these parts?

A: No. All parts use identical radial, box package configuration and maintain the same through-hole mounting footprint with dimensions of 0.350" L x 0.184" W x 0.345" H (8.89 mm x 4.67 mm x 8.76 mm).

Q: Can these parts be used interchangeably in existing circuit designs?

A: Yes. All substitute parts are mechanically and electrically interchangeable with PCB-3-R. No circuit redesign or board layout modification is required.