5MTP750-R
AI

The **5MTP750-R** is a specific type of electronic component, primarily classified as a **Time-Lag (Slo-Blo) Radial Lead Micro Fuse**. It is designed to provide overcurrent protection for sensitive electronic circuits where space is limited and temporary power surges are expected.
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### 1. Key Technical Specifications
Below are the primary technical parameters for the 5MTP750-R:
| Feature | Specification |
| :--- | :--- |
| **Current Rating** | 750 mA (0.75 Amps) |
| **Voltage Rating (AC)** | 250V AC |
| **Voltage Rating (DC)** | 125V DC (varies by manufacturer) |
| **Fuse Type** | Time-Lag / Slow Blow (T) |
| **Mounting Type** | Through-Hole (Radial Leads) |
| **Body Material** | Thermoplastic (Flame Retardant) |
| **Standard** | IEC 60127-3, Sheet 4 |
| **RoHS Compliant** | Yes (Indicated by the "-R" suffix) |
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### 2. Functional Characteristics
* **Time-Lag (Slow Blow):** Unlike "Fast-Acting" fuses, this part is designed to tolerate short-duration high-current spikes (inrush currents) without blowing. This is essential for circuits containing capacitors or motors that draw extra power during startup.
* **Physical Form Factor:** It typically comes in a small, cylindrical, or rectangular "micro" package with two leads protruding from the bottom (Radial). This allows it to occupy very little PCB real estate compared to traditional glass tube fuses.
* **Breaking Capacity:** It is designed to safely interrupt a short circuit up to a certain amperage (usually 35A or 10x the rated current) without physically shattering.
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### 3. Common Applications
The 5MTP750-R is commonly found in low-power consumer electronics and industrial devices, including:
1. **Power Supplies:** Protecting the input stage of AC/DC adapters.
2. **LED Lighting:** Used in drivers to prevent fire hazards from component failure.
3. **Chargers:** Small battery charging circuits for portable electronics.
4. **Home Appliances:** Control boards for coffee makers, toasters, or smart home hubs.
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### 4. Part Number Breakdown
The part number usually follows a specific manufacturer logic (often associated with brands like **Bel Fuse**):
| Segment | Meaning |
| :--- | :--- |
| **5MT** | Series designation (Micro Time-lag) |
| **P** | Packaging/Lead configuration (e.g., Pigtail or Radial) |
| **750** | Current rating (750mA) |
| **-R** | Lead-free / RoHS Compliant |
- ⤷
What is the difference between this 750mA fuse and a fast-acting fuse in the same circuit?
- ⤷ Can this fuse be used in DC applications higher than 125V?
- ⤷ What are the recommended soldering temperatures for radial lead micro fuses?