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ATM-10LP Automotive Fuse - Equivalent & Substitute Parts
Part Overview
The ATM-10LP is a 10 A, 32 V DC automotive blade fuse manufactured by Eaton - Bussmann Electrical Division. This fast-blow miniature (low profile) fuse is designed for automotive applications requiring holder-based installation. The part maintains active product status with 676 units in current inventory. Substitute parts are identified based on matching electrical ratings (10 A current, voltage compatibility), mechanical form factor compatibility, and automotive fuse standards compliance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Current Rating | 10 A |
| Voltage Rating - DC | 32 V |
| Fuse Type | Automotive |
| Response Time | Fast Blow |
| Package / Case | Blade, Miniature (Low Profile) |
| Breaking Capacity @ Rated Voltage | 1 kA |
| Color | Red |
| Size / Dimension | 0.430" L x 0.150" W x 0.347" H (10.92mm x 3.81mm x 8.81mm) |
| RoHS Status | RoHS Compliant |
Substitute Part Grouping Explanation
Substitute parts for the ATM-10LP are grouped into three categories based on form factor and voltage rating compatibility:
Group 1: Miniature Blade Fuses - 32 V DC (Direct Substitutes) Parts maintaining identical voltage rating (32 V DC), current rating (10 A), fast-blow response, and miniature blade form factor. These parts are mechanically and electrically interchangeable with the ATM-10LP.
Group 2: Miniature Blade Fuses - 32 V AC/DC (Dual Voltage) Parts rated for both 32 V AC and 32 V DC at 10 A with miniature blade form factor. These provide equivalent DC performance with additional AC capability.
Group 3: Micro Blade Fuses - 32 V DC (Form Factor Variant) Parts with 10 A, 32 V DC rating but using Micro blade form factor instead of Miniature. These require compatible Micro blade holders and represent a different mechanical package.
Group 4: Miniature Blade Fuses - 58 V DC (Higher Voltage) Parts with 10 A current rating and 58 V DC voltage rating in miniature blade form factor. These are suitable only for applications where higher voltage rating is required or acceptable.
Parameter Comparison
| Part Number | Manufacturer | Current Rating (A) | Voltage Rating - DC (V) | Voltage Rating - AC (V) | Response Time | Package / Case | Breaking Capacity (kA) | Operating Temperature (°C) | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| ATM-10LP | Eaton - Bussmann | 10 | 32 | — | Fast Blow | Blade, Miniature (Low Profile) | 1 | — | RoHS Compliant | 676 |
| 0297010.L | Littelfuse | 10 | 32 | — | Fast Blow | Blade, Miniature | 1 | -40 to 125 | ROHS3 Compliant | 1273 |
| 0297010.U | Littelfuse Inc. | 10 | 32 | — | Fast Blow | Blade, Miniature | 1 | -40 to 125 | ROHS3 Compliant | 2419 |
| 0297010.WXT | Littelfuse Inc. | 10 | 32 | — | — | Blade, Miniature | 1 | -40 to 125 | ROHS3 Compliant | 4396 |
| 0327010.YX2S | Littelfuse | 10 | 32 | — | — | Blade, Micro | — | -40 to 125 | ROHS3 Compliant | 3616 |
| 0337010.PX2S | Littelfuse Inc. | 10 | 32 | — | — | Blade, Micro | — | -40 to 125 | ROHS3 Compliant | 3000 |
| 0997010.WXN | Littelfuse Inc. | 10 | 58 | — | Fast Blow | Blade, Miniature | 1 | -40 to 125 | ROHS3 Compliant | 5434 |
| 0MIN010.HXGLO | Littelfuse Inc. | 10 | 32 | 32 | Fast Blow | Blade, Miniature | — | — | ROHS3 Compliant | 894 |
| 0MIN010.MXGLO | Littelfuse Inc. | 10 | 32 | 32 | Fast Blow | Blade, Miniature | — | — | ROHS3 Compliant | 1687 |
| 0MIN010.V | Littelfuse Inc. | 10 | 32 | 32 | Fast Blow | Blade, Miniature | — | — | ROHS3 Compliant | 825 |
| 0MIN010.VP | Littelfuse Inc. | 10 | 32 | 32 | Fast Blow | Blade, Miniature | — | — | ROHS3 Compliant | 821 |
Engineering Selection Recommendations
Primary Substitutes (Group 1 - Miniature Blade, 32 V DC)
Parts 0297010.L, 0297010.U, and 0297010.WXT are direct electrical and mechanical equivalents to the ATM-10LP. All three are manufactured by Littelfuse, maintain 10 A current rating and 32 V DC voltage rating, and use the miniature blade form factor. Parts 0297010.L and 0297010.U carry UL approval with specified operating temperature range (-40°C to 125°C). Part 0297010.WXT carries UR approval. All three maintain ROHS3 compliance. Selection among these three should be based on availability and specific approval agency requirements for the application.
Secondary Substitutes (Group 2 - Miniature Blade, 32 V AC/DC)
Parts 0MIN010.HXGLO, 0MIN010.MXGLO, 0MIN010.V, and 0MIN010.VP provide 10 A protection at 32 V AC and 32 V DC. These parts are suitable for applications requiring dual voltage capability. All carry SAE and/or UL approval. These parts are interchangeable with the ATM-10LP in DC-only applications while providing additional AC voltage rating.
Form Factor Variant (Group 3 - Micro Blade, 32 V DC)
Parts 0327010.YX2S and 0337010.PX2S use Micro blade form factor instead of Miniature. These parts maintain 10 A and 32 V DC ratings but require Micro blade-compatible holders. Selection of these parts is appropriate only when Micro blade holders are specified in the application design.
Higher Voltage Alternative (Group 4 - Miniature Blade, 58 V DC)
Part 0997010.WXN maintains 10 A current rating and miniature blade form factor but is rated for 58 V DC. This part is suitable only for applications where the higher voltage rating is required or where voltage derating is acceptable.
Frequently Asked Questions (FAQ)
Q: Can I use 0297010.U as a direct replacement for ATM-10LP?
A: Yes. Both parts are rated 10 A at 32 V DC with fast-blow response and miniature blade form factor. Mechanical dimensions are equivalent (0.429" L x 0.150" W x 0.346" H versus 0.430" L x 0.150" W x 0.347" H). Both are RoHS compliant. The primary difference is manufacturer (Littelfuse versus Eaton - Bussmann) and operating temperature specification (-40°C to 125°C for 0297010.U).
Q: What is the difference between miniature and micro blade fuses?
A: Miniature blade fuses (ATM-10LP, 0297010 series) measure approximately 10.9mm length x 3.8mm width x 8.8mm height. Micro blade fuses (0327010.YX2S, 0337010.PX2S) measure approximately 9.1mm to 14.4mm length x 3.8mm to 4.2mm width x 7.9mm to 10.6mm height. These are different mechanical packages requiring different holder types. Substitution between miniature and micro requires compatible holder hardware.
Q: Can I use a 58 V DC fuse in a 32 V DC circuit?
A: Yes. Part 0997010.WXN is rated 58 V DC and can be used in 32 V DC applications. The higher voltage rating provides additional safety margin. However, this substitution should be made only when the higher voltage rating is acceptable for the application design.
Q: What does "fast blow" mean?
A: Fast-blow fuses respond quickly to overcurrent conditions, typically within milliseconds. This characteristic is specified for ATM-10LP and several substitute parts (0297010.L, 0297010.U, 0MIN010 series). Parts without specified response time (0297010.WXT, 0327010.YX2S, 0337010.PX2S) may have different response characteristics and should be verified for application compatibility.
Q: Are all substitute parts RoHS compliant?
A: Yes. The ATM-10LP is RoHS Compliant. All listed substitute parts carry either RoHS Compliant or ROHS3 Compliant status, meeting current environmental standards.
Q: What approval agencies are represented in the substitute parts?
A: Substitute parts carry approvals from UL (Underwriters Laboratories), SAE (Society of Automotive Engineers), and UR (UL and CSA joint recognition). The ATM-10LP does not specify an approval agency. Selection should be based on application requirements for specific agency certification.
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