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5MTP 5-R Equivalent & Substitute Parts
Part Overview
The 5MTP 5-R is a glass cartridge fuse manufactured by Bel Fuse Inc., rated for 5A at 125VAC with a 5mm x 20mm axial form factor. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and redesign applications. The medium-blow response characteristic and 10kA breaking capacity define its operational profile in circuit protection applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Current Rating | 5 A |
| Voltage Rating (AC) | 125 V |
| Fuse Type | Cartridge, Glass |
| Package / Case | 5mm x 20mm (Axial) |
| Response Time | Medium Blow |
| Breaking Capacity @ Rated Voltage | 10kA |
| Melting I²t | 167 |
| Operating Temperature Range | -55°C ~ 125°C |
| DC Cold Resistance | 0.017 Ohms |
Substitute Part Grouping Explanation
Substitution of the 5MTP 5-R is determined by strict equivalence across the following parameters:
- Current Rating: 5 A (exact match required)
- Voltage Rating: 125 V AC (exact match required)
- Fuse Type: Cartridge, Glass (form factor and construction type)
- Package Dimensions: 5mm x 20mm axial (mechanical fit and circuit board compatibility)
- Response Time: Medium Blow (thermal-magnetic response profile)
- Breaking Capacity: 10kA minimum at rated voltage (fault protection capability)
The BK/GMC-V-5A from Eaton - Electronics Division meets all specified electrical and mechanical parameters for direct substitution.
Parameter Comparison
| Parameter | 5MTP 5-R (Bel Fuse Inc.) | BK/GMC-V-5A (Eaton) |
|---|---|---|
| Current Rating (Amps) | 5 A | 5 A |
| Voltage Rating - AC | 125 V | 125 V |
| Fuse Type | Cartridge, Glass | Cartridge, Glass |
| Package / Case | 5mm x 20mm (Axial) | 5mm x 20mm (Axial) |
| Response Time | Medium Blow | Medium Blow |
| Product Status | Obsolete | Active |
| RoHS Status | ROHS3 Compliant | RoHS non-compliant |
| Approval Agency | CE, CSA, cULus, PSE | Not specified |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8536.10.0020 | 8536.10.0020 |
Engineering Selection Recommendations
The BK/GMC-V-5A is electrically and mechanically equivalent to the 5MTP 5-R across all critical parameters. Selection between these parts should be based on:
- Product Availability: The 5MTP 5-R is obsolete; the BK/GMC-V-5A is active production.
- Regulatory Compliance: The 5MTP 5-R carries CE, CSA, cULus, and PSE certifications with ROHS3 compliance. The BK/GMC-V-5A is RoHS non-compliant; applications subject to RoHS3 requirements must confirm regulatory acceptability.
- Supply Chain: The BK/GMC-V-5A offers greater long-term availability for new designs and ongoing production.
Both parts share identical ECCN and HTSUS classifications, indicating equivalent export control and tariff treatment.
Frequently Asked Questions (FAQ)
Q: Can the BK/GMC-V-5A directly replace the 5MTP 5-R in existing circuits?
A: Yes. Both fuses are rated 5A at 125VAC, use identical 5mm x 20mm axial glass cartridge construction, and exhibit medium-blow response characteristics. Mechanical fit and electrical performance are equivalent.
Q: What is the significance of the RoHS compliance difference?
A: The 5MTP 5-R is ROHS3 compliant; the BK/GMC-V-5A is RoHS non-compliant. Applications subject to RoHS3 regulations (EU and equivalent markets) must verify regulatory acceptability of the Eaton part before substitution.
Q: Are the breaking capacities equivalent?
A: The 5MTP 5-R specifies 10kA breaking capacity at rated voltage. The BK/GMC-V-5A is specified as AC DC Fuse without detailed breaking capacity data provided. Confirm breaking capacity specifications with the manufacturer for applications requiring explicit fault protection ratings.
Q: Why is the 5MTP 5-R listed as obsolete?
A: Obsolete status indicates the part is no longer in active production by Bel Fuse Inc. The BK/GMC-V-5A from Eaton provides functional continuity for applications requiring 5A, 125VAC glass cartridge fuses in 5mm x 20mm form factor.
Q: Are certifications transferable between these parts?
A: No. The 5MTP 5-R carries CE, CSA, cULus, and PSE certifications. The BK/GMC-V-5A certifications are not specified in the provided data. Applications requiring specific regulatory certifications must confirm the Eaton part meets those requirements independently.
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