1. Introduction
This manual provides comprehensive instructions for the safe and effective use of the uxcell 13003 NPN Transistor. It covers product overview, detailed specifications, installation guidelines, operating principles, maintenance, and troubleshooting. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
2. Product Overview
The uxcell 13003-H04-1.43 is an NPN type bipolar junction transistor (BJT) designed for general purpose use in various electronic devices. It features a TO-126 package with 3 pins for through-hole mounting on printed circuit boards (PCBs). This transistor is characterized by high dielectric strength, fast switching speed, large power dissipation, and good current performance, making it suitable for applications requiring efficient power handling.
Key features include:
- NPN Transistor Type
- TO-126 Package for PCB Through-Hole Mounting
- 3 Pins Configuration
- Collector Power Dissipation (PCM): 1.25W
- Collector Current Continuous (Ic): 1.5A
- Collector-Emitter Voltage (Vceo): 400V
- High dielectric strength and fast switching speed
Figure 2.1: A pack of ten uxcell 13003 NPN transistors, showcasing their TO-126 package and three pins.
3. Specifications
Detailed technical specifications for the uxcell 13003 NPN Transistor are provided below:
| Parameter | Value |
|---|---|
| Product Name | NPN Transistors |
| Model | 13003-H04-1.43 |
| Transistor Type | NPN |
| Package Type | TO-126 (Through Hole) |
| Pin Quantity | 3 |
| Collector Power Dissipation (PCM) | 1.25W |
| Collector Current Continuous (Ic) | 1.5A |
| Collector-Emitter Voltage (Vceo) | 400V |
| HFE (DC Current Gain) | 10-40 |
| Total Size | 24 x 7.5 x 2.5mm / 0.94" x 0.3" x 0.1" (L*W*H) |
| Material | Plastic, Electronic Components |
| Manufacturer | uxcell |
| Item Model Number | a18071200ux0611 |
Figure 3.1: A detailed view of a single uxcell 13003 transistor, highlighting its model number and electrical ratings.
4. Setup and Installation
The uxcell 13003 NPN Transistor is designed for through-hole mounting on printed circuit boards. Proper installation is crucial for reliable operation.
- Identify Pins: The TO-126 package typically has three pins: Emitter, Base, and Collector. Refer to the transistor's datasheet or standard TO-126 pinout for correct identification.
- Prepare PCB: Ensure the PCB has appropriately sized holes for the transistor pins. Clean the area around the mounting holes.
- Insert Transistor: Carefully insert the transistor pins into the corresponding holes on the PCB. Ensure the transistor body is flush with the PCB surface or slightly elevated if heat dissipation requires it.
- Solder Connections: Solder each pin to its respective pad on the PCB. Use appropriate soldering techniques to ensure strong electrical and mechanical connections, avoiding cold joints or solder bridges.
- Inspect: After soldering, visually inspect all connections for proper solder joints and ensure no pins are bent or shorted.
Figure 4.1: Underside view of the transistor, illustrating the three pins ready for through-hole mounting.
5. Operating Principles
The 13003 NPN transistor functions as a current-controlled switch or amplifier. In an NPN transistor, a small current applied to the Base (B) terminal controls a larger current flow between the Collector (C) and Emitter (E) terminals. When a positive voltage is applied to the Base relative to the Emitter, and a sufficient current flows into the Base, the transistor turns on, allowing current to flow from Collector to Emitter.
Key operating parameters to consider:
- Collector-Emitter Voltage (Vceo): The maximum voltage that can be applied between the collector and emitter when the base is open. For this device, it is 400V. Exceeding this can damage the transistor.
- Collector Current (Ic): The maximum continuous current that can flow through the collector. This transistor supports up to 1.5A.
- Collector Power Dissipation (PCM): The maximum power the transistor can dissipate without damage, which is 1.25W. Adequate heat sinking may be required for applications approaching this limit.
- DC Current Gain (HFE): Indicates the ratio of collector current to base current, typically between 10 and 40 for this model.
Always operate the transistor within its specified limits to prevent overheating and ensure stable performance.
6. Maintenance
NPN transistors like the uxcell 13003 are generally maintenance-free components once properly installed. However, observing the following guidelines can help ensure long-term reliability:
- Environmental Conditions: Ensure the operating environment is free from excessive dust, moisture, and corrosive substances.
- Temperature Management: While the transistor has a specified power dissipation, prolonged operation at high temperatures can reduce its lifespan. Ensure adequate ventilation or heat sinking if the application generates significant heat.
- Physical Inspection: Periodically inspect the PCB and transistor for any signs of physical damage, loose connections, or discoloration due to overheating.
- Power Supply Stability: Use stable and regulated power supplies to prevent voltage spikes or fluctuations that could stress the transistor.
7. Troubleshooting
If the transistor circuit is not functioning as expected, consider the following troubleshooting steps:
- No Output/Incorrect Output:
- Verify power supply voltages are correct and stable.
- Check all connections for proper soldering and continuity.
- Ensure the transistor is inserted with the correct pin orientation (Emitter, Base, Collector).
- Measure voltages at the Base, Emitter, and Collector to determine if the transistor is biased correctly and switching as expected.
- Overheating:
- Confirm that the load current does not exceed the maximum Collector Current (Ic).
- Check if the power dissipation (PCM) is within limits. If not, consider adding a heatsink or reducing the load.
- Ensure proper ventilation around the component.
- Component Failure:
- If the transistor shows signs of physical damage (e.g., burn marks) or fails basic diode junction tests with a multimeter, it may need replacement.
- Ensure that the voltage and current ratings of the transistor are appropriate for the circuit design.
8. Warranty and Support
Specific warranty details for the uxcell 13003 NPN Transistor are not provided in the product information. For any product support, technical inquiries, or warranty-related questions, please refer to the official uxcell brand store or contact uxcell customer service directly.
You can visit the uxcell store at: uxcell Official Store on Amazon
