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ATDR12 Equivalent & Substitute Parts Reference
Part Overview
The ATDR12 is a cartridge fuse manufactured by Mersen USA Newburyport-MA L.L.C., rated for 600V at 12A. This component is classified as a CC (Cartridge Class) fuse and is currently in active production status. Finding equivalent substitute parts is necessary to ensure supply chain continuity, optimize inventory management, and maintain design flexibility across manufacturing and maintenance operations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ATDR12 |
| Manufacturer | Mersen USA Newburyport-MA L.L.C. |
| Current Rating | 12A |
| Voltage Rating | 600V |
| Fuse Class | CC |
| Product Status | Active |
| RoHS Status | RoHS non-compliant |
| ECCN | EAR99 |
Substitute Part Grouping Explanation
Substitution eligibility for the ATDR12 is determined by the following critical parameters:
- Current Rating: 12A (exact match required)
- Voltage Rating - AC: 600V (exact match required)
- Fuse Class: CC (exact match required)
- Packaging: Cartridge format with standard dimensions
The LP-CC-12 manufactured by Eaton - Bussmann Electrical Division meets all mandatory substitution criteria. Both parts share identical electrical specifications (12A, 600VAC) and belong to the same fuse class (CC). The LP-CC-12 additionally provides 150VDC rating capability, which does not conflict with the ATDR12 application envelope.
Parameter Comparison
| Parameter | ATDR12 (Mersen) | LP-CC-12 (Eaton - Bussmann) |
|---|---|---|
| Manufacturer Part Number | ATDR12 | LP-CC-12 |
| Current Rating (Amps) | 12A | 12A |
| Voltage Rating - AC | 600V | 600VAC |
| Voltage Rating - DC | Not specified | 150VDC |
| Fuse Class | CC | CC |
| Response Time | Not specified | Slow Blow |
| Product Status | Active | Active |
| ECCN | EAR99 | EAR99 |
| Packaging | Box | Bulk |
Engineering Selection Recommendations
Both the ATDR12 and LP-CC-12 are active production components with identical core electrical ratings (12A, 600VAC, CC class). Selection between these parts should be based on:
- Supply availability and lead time requirements
- Packaging format preference (Box vs. Bulk)
- RoHS compliance requirements for end applications (ATDR12 is RoHS non-compliant; LP-CC-12 is ROHS3 compliant)
- Regulatory certifications required (both carry CE, CSA, UR approvals for the LP-CC-12; certification details for ATDR12 not provided)
- Inventory status (ATDR12: 1177 pcs; LP-CC-12: 892 pcs available)
For applications requiring RoHS3 compliance, the LP-CC-12 is the appropriate selection.
Frequently Asked Questions (FAQ)
Q: Can the LP-CC-12 be used as a direct replacement for the ATDR12?
A: Yes. Both parts share identical current (12A) and AC voltage (600V) ratings and belong to the same CC fuse class. The LP-CC-12 is electrically and mechanically compatible for applications designed for the ATDR12.
Q: What is the difference in packaging between these parts?
A: The ATDR12 is supplied in Box packaging, while the LP-CC-12 is supplied in Bulk packaging. This affects order quantities and handling but does not impact electrical performance or mechanical fit.
Q: Does the LP-CC-12's 150VDC rating affect compatibility?
A: No. The additional 150VDC rating on the LP-CC-12 expands its application envelope without compromising performance in 600VAC-only circuits. This represents a superset of capability.
Q: Which part should be selected for new designs?
A: For new designs requiring RoHS3 compliance, specify the LP-CC-12. Both parts are active production items; selection should align with supply chain strategy and regulatory requirements of the end application.
Q: Are there any dimensional differences between these fuses?
A: The LP-CC-12 is specified as 0.394" Dia x 1.496" L (10.00mm x 38.00mm), classified as 5AG, 10mm x 38mm (Midget). Dimensional specifications for the ATDR12 are not provided in the reference data.
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