Littelfuse 025707.5PXPV Automotive Fuse 7.5A 32VDC ATO/ATC Blade Equivalent & Substitute Parts

Part Overview

The Littelfuse 025707.5PXPV is a 7.5 ampere automotive blade fuse rated for 32 volts DC, designed for ATO/ATC fuse holders. This part carries an obsolete product status. Equivalent and substitute parts are necessary to maintain circuit protection functionality in automotive applications where the original part is no longer readily available or when alternative packaging or manufacturer options are required for procurement flexibility.

Key Parameters

Parameter	Value
Current Rating	7.5 A
Voltage Rating - DC	32 V
Fuse Type	Automotive
Package / Case	Blade, ATO/ATC
Response Time	Fast Blow
Mounting Type	Requires Holder
Size / Dimension	0.750" L x 0.200" W x 0.480" H (19.05mm x 5.08mm x 12.19mm)
DC Cold Resistance	0.01091 Ohms
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 025707.5PXPV is determined by the following critical parameters: current rating of 7.5 amperes, voltage rating of 32 volts DC, automotive fuse type, ATO/ATC blade package configuration, and fast blow response time. All substitute parts listed maintain these core electrical and mechanical specifications. Variations in packaging format (bulk versus card packaging), manufacturer identity, and product status (active versus obsolete) do not affect functional interchangeability within the specified electrical parameters. Dimensional tolerances within the ATO/ATC blade standard and equivalent DC cold resistance values are acceptable for substitution.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Current Rating (A)	Voltage Rating - DC (V)	Voltage Rating - AC (V)	Response Time	Package / Case	Product Status	Packaging	RoHS Status
025707.5PXPV	Littelfuse Inc.	7.5	32	—	Fast Blow	Blade, ATO/ATC	Obsolete	—	ROHS3 Compliant
028707.5PXCN	Littelfuse Inc.	7.5	32	—	—	Blade, ATO/ATC	Active	Bulk	ROHS3 Compliant
0ATO07.5HXGLO	Littelfuse Inc.	7.5	32	32	Fast Blow	Blade, ATO/ATC	Active	Bulk	ROHS3 Compliant
0ATO07.5MXGLO	Littelfuse Inc.	7.5	32	32	Fast Blow	Blade, ATO/ATC	Active	Bulk	ROHS3 Compliant
0ATO07.5V	Littelfuse	7.5	32	32	Fast Blow	Blade, ATO/ATC	Active	Bulk	ROHS3 Compliant
0ATO07.5VP	Littelfuse Inc.	7.5	32	32	Fast Blow	Blade, ATO/ATC	Active	Bulk	ROHS3 Compliant
0ATO07.5VPGLO	Littelfuse Inc.	7.5	32	32	Fast Blow	Blade, ATO/ATC	Active	Bulk	ROHS3 Compliant
BK/ATC-7-1/2	Eaton - Bussmann Electrical Division	7.5	32	—	Fast Blow	Blade, ATO/ATC	Active	Bulk	ROHS3 Compliant
APR-UL-7.5A	OptiFuse	7.5	32	—	Fast Blow	Blade, ATO/ATC	Active	Bulk	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain the electrical specifications required for direct replacement of the 025707.5PXPV. The Littelfuse parametric equivalents (0ATO07.5HXGLO, 0ATO07.5MXGLO, 0ATO07.5V, 0ATO07.5VP, 0ATO07.5VPGLO) and the direct equivalent 028707.5PXCN are active products with current manufacturing status, providing supply chain continuity. The Eaton Bussmann BK/ATC-7-1/2 and OptiFuse APR-UL-7.5A offer cross-manufacturer alternatives with equivalent electrical performance and active product status. Selection among these options should be based on procurement availability, packaging requirements (bulk versus card), and established supplier relationships. All substitute parts carry ROHS3 compliance and UL or equivalent approvals suitable for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can the 0ATO07.5V replace the 025707.5PXPV directly? A: Yes. Both parts share identical current rating (7.5 A), DC voltage rating (32 V), fast blow response time, ATO/ATC blade package, and mechanical dimensions. The 0ATO07.5V is an active product and functionally equivalent.

Q: What is the difference between 0ATO07.5V and 0ATO07.5VP? A: Both parts are electrically and mechanically identical. The 0ATO07.5VP designation indicates a 5-pack card packaging format, while 0ATO07.5V is supplied in bulk. Selection depends on quantity requirements and packaging preference.

Q: Is the Eaton BK/ATC-7-1/2 compatible with ATO/ATC fuse holders? A: Yes. The BK/ATC-7-1/2 is designed for ATO/ATC blade fuse holders and maintains the same 7.5 A, 32 V DC electrical specifications and fast blow response time as the original part.

Q: Why do some substitute parts list both AC and DC voltage ratings? A: Parts such as 0ATO07.5HXGLO, 0ATO07.5MXGLO, 0ATO07.5V, 0ATO07.5VP, and 0ATO07.5VPGLO are rated for both 32 V AC and 32 V DC operation. This dual rating does not affect DC-only applications and provides additional flexibility for multi-voltage circuit designs.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 compliance certification, meeting environmental and material restriction requirements for automotive and industrial applications.

Q: What is the significance of the 028707.5PXCN part number? A: The 028707.5PXCN is a direct Littelfuse equivalent with active product status, offering the same electrical specifications as the obsolete 025707.5PXPV. It serves as the primary replacement option within the Littelfuse product line.

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