Equivalent & Substitute Parts for BK/PCC-3/4 Board Mount Fuse

Part Overview

The BK/PCC-3/4 is a 750 mA, 250 V AC / 450 V DC board mount fuse manufactured by Eaton - Electronics Division as part of the PC-Tron® series. This component is classified as obsolete, with 997 pieces currently in stock. The fuse features fast blow response characteristics and is designed for through-hole radial mounting in a box package configuration.

Due to the obsolete product status of BK/PCC-3/4, equivalent substitute parts are available from the same manufacturer. These substitutes maintain identical electrical and mechanical specifications while offering active product status and improved compliance certifications, including RoHS3 compliance and REACH unaffected status.

Key Parameters

Parameter	Value
Current Rating	750 mA
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	50A AC, 5.9kA DC
Melting I²t	0.016
Size / Dimension	0.350" L x 0.184" W x 0.345" H (8.89mm x 4.67mm x 8.76mm)
Approval Agency	CSA, UL
Series	PC-Tron®

Substitute Part Grouping Explanation

Substitution of the obsolete BK/PCC-3/4 is determined by strict equivalence across all electrical and mechanical parameters. The following criteria establish valid substitutes:

Electrical Parameters (Must Match Exactly):

Current Rating: 750 mA
Voltage Rating - AC: 250 V
Voltage Rating - DC: 450 V
Response Time: Fast Blow
Breaking Capacity @ Rated Voltage: 50A AC, 5.9kA DC
Melting I²t: 0.016

Mechanical Parameters (Must Match Exactly):

Mounting Type: Through Hole
Fuse Type: Board Mount (Cartridge Style Excluded)
Package / Case: Radial, Box
Size / Dimension: 0.350" L x 0.184" W x 0.345" H (8.89mm x 4.67mm x 8.76mm)

Certification Requirements (Must Match):

Approval Agency: CSA, UL
Series: PC-Tron®

All substitute parts listed below meet these criteria without exception. Substitutes differ only in product status (active versus obsolete) and compliance certifications (RoHS3 compliance and REACH status).

Parameter Comparison

Part Number	Manufacturer	Current Rating	Voltage AC	Voltage DC	Response Time	Mounting Type	Package	Breaking Capacity AC	Breaking Capacity DC	Melting I²t	Product Status	RoHS Status	Inventory
BK/PCC-3/4	Eaton - Electronics Division	750 mA	250 V	450 V	Fast Blow	Through Hole	Radial, Box	50A	5.9kA	0.016	Obsolete	RoHS non-compliant	997 Pcs
BK/PCC-3/4-R	Eaton - Electronics Division	750 mA	250 V	450 V	Fast Blow	Through Hole	Radial, Box	50A	5.9kA	0.016	Active	RoHS3 Compliant	1485 Pcs
BK/PCB-3/4-R	Eaton - Electronics Division	750 mA	250 V	450 V	Fast Blow	Through Hole	Radial, Box	50A	5.9kA	0.016	Active	RoHS3 Compliant	1946 Pcs
BK/PCF-3/4-R	Eaton - Electronics Division	750 mA	250 V	450 V	Fast Blow	Through Hole	Radial, Box	50A	5.9kA	0.016	Active	RoHS3 Compliant	1155 Pcs
BK/PCH-3/4-R	Eaton - Electronics Division	750 mA	250 V	450 V	Fast Blow	Through Hole	Radial, Box	50A	5.9kA	0.016	Active	RoHS3 Compliant	1061 Pcs
PCB-3/4-R	Eaton - Electronics Division	750 mA	250 V	450 V	Fast Blow	Through Hole	Radial, Box	50A	5.9kA	0.016	Active	RoHS3 Compliant	983 Pcs
PCC-3/4-R	Eaton - Electronics Division	750 mA	250 V	450 V	Fast Blow	Through Hole	Radial, Box	50A	5.9kA	0.016	Active	RoHS3 Compliant	692 Pcs
PCF-3/4-R	Eaton - Electronics Division	750 mA	250 V	450 V	Fast Blow	Through Hole	Radial, Box	50A	5.9kA	0.016	Active	RoHS3 Compliant	1109 Pcs
PCH-3/4-R	Eaton - Electronics Division	750 mA	250 V	450 V	Fast Blow	Through Hole	Radial, Box	50A	5.9kA	0.016	Active	RoHS3 Compliant	974 Pcs

Engineering Selection Recommendations

All substitute parts listed are direct parametric equivalents to the obsolete BK/PCC-3/4. Selection among the active alternatives is based on the following factors:

Product Status: All substitute parts carry active product status, ensuring continued availability and manufacturer support. The original BK/PCC-3/4 is obsolete and should be replaced in new designs and procurement.

Compliance Certifications: All substitute parts are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The original part is RoHS non-compliant and does not meet modern compliance standards.

Approval Agencies: All parts maintain CSA and UL approvals, preserving certification integrity across the substitution.

Inventory Availability: Substitute parts demonstrate robust inventory levels ranging from 692 to 1946 pieces, supporting immediate procurement requirements.

Packaging: All substitute parts are supplied in bulk packaging, consistent with standard procurement practices for active components.

For new designs and ongoing production, BK/PCB-3/4-R is the recommended primary selection due to highest inventory availability (1946 pieces). BK/PCC-3/4-R serves as the direct replacement option with the "-R" suffix indicating the revised, compliant version of the original part number.

Frequently Asked Questions (FAQ)

Q: Can BK/PCC-3/4 be directly replaced with any of the listed substitutes?

A: Yes. All listed substitute parts are parametric equivalents with identical electrical ratings (750 mA, 250 V AC, 450 V DC), response characteristics (fast blow), mechanical dimensions (0.350" L x 0.184" W x 0.345" H), and mounting configuration (through-hole radial, box package). Direct substitution is electrically and mechanically valid.

Q: What is the difference between BK/PCC-3/4-R and PCC-3/4-R?

A: Both parts are parametrically identical. BK/PCC-3/4-R includes the "BK" prefix designation, while PCC-3/4-R omits it. The "-R" suffix on both indicates the revised, RoHS3-compliant version. Electrical and mechanical specifications are identical.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry RoHS3 compliance certification. The original BK/PCC-3/4 is RoHS non-compliant. For applications requiring RoHS compliance, any of the listed substitutes is suitable.

Q: Do the substitute parts maintain the same breaking capacity?

A: Yes. All substitute parts maintain identical breaking capacity ratings of 50A AC and 5.9kA DC at rated voltage, ensuring equivalent protection performance.

Q: What is the melting I²t value, and is it consistent across all parts?

A: The melting I²t value is 0.016 for all parts listed. This parameter defines the thermal energy required to melt the fuse element and is identical across the original and all substitutes, ensuring consistent thermal response characteristics.

Q: Can these fuses be used in both AC and DC applications?

A: Yes. All parts are rated for both AC and DC operation: 250 V AC and 450 V DC. The fast blow response time applies to both AC and DC circuits.

Q: Are there any packaging differences among the substitute parts?

A: All substitute parts are supplied in bulk packaging. The original BK/PCC-3/4 was supplied in box packaging. For procurement purposes, bulk packaging is standard for active component variants.

Q: Which substitute part has the highest inventory availability?

A: BK/PCB-3/4-R has the highest inventory level at 1946 pieces, followed by BK/PCC-3/4-R at 1485 pieces.

Q: Are all parts approved by the same certification agencies?

A: Yes. All parts carry CSA and UL approvals, maintaining consistent certification across the substitution group.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message