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ATC-10 Equivalent & Substitute Parts
Part Overview
The ATC-10 is a 10 A automotive blade fuse rated for 32 V DC operation, manufactured by Eaton - Bussmann Electrical Division. This fast-blow fuse is designed for automotive electrical systems requiring holder-based installation in the ATO/ATC blade format. The part maintains active product status with UL approval and RoHS compliance. Substitute parts are identified when identical electrical and mechanical parameters are maintained across manufacturers or product lines, ensuring direct interchangeability without circuit redesign.
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, ATO/ATC |
| Breaking Capacity @ Rated Voltage | 1 kA |
| Mounting Type | Requires Holder |
| Size / Dimension | 0.760" L x 0.207" W x 0.492" H (19.30 mm x 5.25 mm x 12.50 mm) |
| Approval Agency | UL |
Substitute Part Grouping Explanation
The BK/ATC-10 is classified as a parametric equivalent to the ATC-10 based on strict alignment of the following critical parameters:
- Current Rating: 10 A (identical)
- Voltage Rating (DC): 32 V (identical)
- Fuse Type: Automotive (identical)
- Response Time: Fast Blow (identical)
- Package / Case: Blade, ATO/ATC (identical)
- Breaking Capacity @ Rated Voltage: 1 kA (identical)
- Mounting Type: Requires Holder (identical)
- Physical Dimensions: 0.760" L x 0.207" W x 0.492" H (identical)
- Approval Agency: UL (identical)
Both parts are manufactured by Eaton - Bussmann Electrical Division and maintain active product status. The substitute relationship is based exclusively on electrical performance, mechanical compatibility, and regulatory certification equivalence.
Parameter Comparison
| Parameter | ATC-10 | BK/ATC-10 |
|---|---|---|
| Manufacturer | Eaton - Bussmann Electrical Division | Eaton - Bussmann Electrical Division |
| Current Rating (Amps) | 10 A | 10 A |
| Voltage Rating - DC | 32 V | 32 V |
| Fuse Type | Automotive | Automotive |
| Response Time | Fast Blow | Fast Blow |
| Package / Case | Blade, ATO/ATC | Blade, ATO/ATC |
| Breaking Capacity @ Rated Voltage | 1 kA | 1 kA |
| Mounting Type | Requires Holder | Requires Holder |
| Size / Dimension | 0.760" L x 0.207" W x 0.492" H (19.30 mm x 5.25 mm x 12.50 mm) | 0.760" L x 0.207" W x 0.492" H (19.30 mm x 5.25 mm x 12.50 mm) |
| Approval Agency | UL | UL |
| Product Status | Active | Active |
| RoHS Status | RoHS Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Both ATC-10 and BK/ATC-10 are suitable for direct substitution in automotive electrical circuits requiring 10 A fast-blow protection at 32 V DC. Selection between the two parts may be based on inventory availability and RoHS compliance requirements. The BK/ATC-10 carries ROHS3 compliance designation, while the ATC-10 carries standard RoHS compliance. Both parts maintain UL approval and identical electrical and mechanical specifications, ensuring functional interchangeability in ATO/ATC holder-based installations.
Frequently Asked Questions (FAQ)
Q: Can BK/ATC-10 be used as a direct replacement for ATC-10?
A: Yes. Both parts share identical current rating (10 A), voltage rating (32 V DC), response time (fast blow), package format (blade ATO/ATC), breaking capacity (1 kA), and physical dimensions. No circuit modification is required.
Q: What is the difference between ATC-10 and BK/ATC-10?
A: The parts are electrically and mechanically identical. The primary difference is RoHS compliance designation: ATC-10 is RoHS Compliant, while BK/ATC-10 is ROHS3 Compliant. Both maintain UL approval and active product status.
Q: Are these fuses compatible with standard ATO/ATC holders?
A: Yes. Both parts are designed for holder-based installation in the ATO/ATC blade format and share identical physical dimensions (0.760" L x 0.207" W x 0.492" H).
Q: What is the breaking capacity of these fuses?
A: Both ATC-10 and BK/ATC-10 have a breaking capacity of 1 kA at rated voltage (32 V DC).
Q: Which part should I select for new designs?
A: Selection should be based on inventory availability and RoHS compliance requirements for your application. Both parts are functionally equivalent and maintain active product status from Eaton - Bussmann Electrical Division.
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