Part Details for MQ15 by Bel Fuse
Results Overview of MQ15 by Bel Fuse
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Applications
Security and Surveillance
Environmental Monitoring
MQ15 Information
MQ15 by Bel Fuse is an Electric Fuse.
Electric Fuses are under the broader part category of Circuit Protection Components.
Circuit protection components monitor and safeguard electronic systems from overcurrent, overvoltage, and other electrical hazards. Read more about Circuit Protection Components on our Circuit Protection part category page.
Part Details for MQ15
MQ15 CAD Models
MQ15 Part Data Attributes
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MQ15
Bel Fuse
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Datasheet
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MQ15
Bel Fuse
Electric Fuse, Very Fast Blow, 15A, 125VAC, 125VDC, 50A (IR), Through Hole, MICRO, ROHS COMPLIANT
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | BEL FUSE INC | |
| Package Description | ROHS COMPLIANT | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8536.10.00.40 | |
| Additional Feature | PRE-ARCING TIME: OPEN WITHIN 5 SEC AT 200% RATED CURRENT; RATED BREAKING CAPACITY AT 125 VDC: 300 A | |
| Blow Characteristic | VERY FAST | |
| Body Height | 7.1 mm | |
| Body Length or Diameter | 3.18 mm | |
| Circuit Protection Type | ELECTRIC FUSE | |
| Fuse Size | MICRO | |
| JESD-609 Code | e3 | |
| Joule Integral-Nom | 63 J | |
| Mounting Feature | THROUGH HOLE | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Pre-arcing Time-Min | 5000 ms | |
| Rated Breaking Capacity | 50 A | |
| Rated Current | 15 A | |
| Rated Voltage(AC) | 125 V | |
| Rated Voltage(DC) | 125 V | |
| Reference Standard | CE; CSA; UL | |
| Surface Mount | NO | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Shape | PIN WIRE | |
| Trip Time or Delay | 5 s |
MQ15 Frequently Asked Questions (FAQ)
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The recommended PCB layout for the MQ15 involves keeping the input and output traces as short as possible, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a low-ESR capacitor for the output filter to minimize ringing and ensure stability.
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To ensure proper cooling of the MQ15, it's recommended to provide adequate airflow around the device, use a heat sink if possible, and keep the device away from other heat-generating components. The thermal resistance of the device is typically around 10°C/W, so it's essential to consider thermal management in your design.
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The MQ15 can drive a maximum capacitive load of around 10,000 pF. Exceeding this value may cause instability or oscillations in the output. It's essential to consider the capacitive load of your design when selecting the MQ15 or any other DC-DC converter.
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The MQ15 is a commercial-grade device, but Bel Fuse offers high-reliability and high-temperature versions of the device, such as the MQ15H or MQ15HT, which are designed for use in demanding environments. These versions have undergone additional testing and screening to ensure their reliability and performance in extreme conditions.
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To troubleshoot issues with the MQ15, start by checking the input voltage, output voltage, and output current to ensure they are within the specified ranges. Verify that the device is properly cooled and that the PCB layout is correct. Check for any signs of physical damage or overheating. If the issue persists, consult the datasheet and application notes or contact Bel Fuse technical support for further assistance.