EDGELEC PW-DIP LED
EDGELEC 12V 3mm Blue Blinking LED Lights User Manual
Brand: EDGELEC | Model: PW-DIP LED
1. Introduction
This manual provides essential information for the proper use, setup, and maintenance of your EDGELEC 50pcs 12 Volt 3mm Blue Blinking LED Lights. These pre-wired emitting diodes are designed for various electronic projects, DIY hobbies, decoration, and lighting applications, offering a convenient and reliable lighting solution.
Each LED is pre-wired with a built-in resistor, ensuring stable operation at 12V DC and simplifying the installation process. The diffused colored lens provides a consistent and pleasant light output, while the 1.5Hz single-color flashing mechanism adds dynamic visual effects.

Image: Examples of LED applications in various settings.
2. Product Features
The EDGELEC 12V 3mm Blue Blinking LED Lights come with the following key features:
- Pre-wired Design: Each LED is pre-wired with a built-in 1/4W metal film resistor, ready for direct connection to a 12V DC power source.
- Blinking Functionality: Features a 1.5Hz single-color flashing rate for dynamic visual effects.
- Diffused Lens: Equipped with a 3mm diffused blue lens for wide and even light distribution.
- Extended Wire Leads: Comes with 7.8-inch (20cm) wire leads, consisting of 7-core pure copper, tin-coated at the end for ease of soldering.
- Clear Polarity Identification: The anode is indicated by the blue wire, and the cathode by the black wire, simplifying correct connection.
- Long Lifespan: Designed for durability with a lifespan exceeding 20,000 hours.
- Optimal Viewing Angle: Provides a 120° viewing angle for broad illumination.

Image: 50pcs 12 Volt 3mm Blue Blinking LED Lights.

Image: Close-up view of 1.5Hz Blinking LED (Single Color Flashing).

Image: Colored Wires - Easy to distinguish between Anode and Cathode.

Image: Preloaded 0.25Watt Metal Film Resistor to make LED work more stable at 12V voltage.

Image: 7.8 inch Wire Lead (7-Core Pure Copper) with Tin-Coat at the end for ease of welding.
3. Setup
Setting up your EDGELEC pre-wired LEDs is straightforward due to their integrated resistors. Follow these steps for proper installation:
- Identify Polarity: Each LED has two wires. The blue wire is the Anode (+), and the black wire is the Cathode (-). Correct polarity is crucial for the LED to function.
- Prepare Power Source: Ensure your power source provides a stable 12V DC output. These LEDs are designed to operate optimally at this voltage.
- Connect Wires: Connect the blue (Anode) wire of the LED to the positive (+) terminal of your 12V DC power source. Connect the black (Cathode) wire of the LED to the negative (-) terminal of your 12V DC power source.
- Secure Connections: Use appropriate connectors, solder, or terminal blocks to ensure secure and insulated connections. Loose connections can lead to intermittent operation or damage.
- Test Functionality: Once connected, apply power to test if the LED blinks as expected.
Caution: Do not connect these LEDs directly to AC power or to a DC voltage exceeding 12V, as this will damage the LED and void any potential warranty.
4. Operation
Once properly connected to a 12V DC power source, the EDGELEC 3mm Blue Blinking LED will automatically begin to flash at a rate of approximately 1.5 times per second (1.5Hz). This blinking action is inherent to the LED's design and does not require external control circuitry for the flashing effect.
The integrated resistor ensures that the LED receives the correct current when powered by 12V DC, providing stable and consistent blinking performance. No additional resistors are needed when operating at 12V DC.
5. Maintenance
These EDGELEC LEDs are designed for long-term, maintenance-free operation. With a lifespan of over 20,000 hours, they are built to last. To ensure optimal performance and longevity, consider the following:
- Stable Power Supply: Always use a stable 12V DC power supply. Fluctuations or over-voltage can shorten the LED's lifespan.
- Environmental Protection: While durable, these LEDs are not inherently waterproof. If used in outdoor or damp environments, ensure they are properly protected from moisture and extreme temperatures.
- Physical Handling: Avoid excessive bending or pulling on the wire leads, especially near the LED housing, to prevent internal damage.
- Cleanliness: Keep the LED lens clean from dust and debris to maintain optimal light output. A soft, dry cloth is usually sufficient.
6. Troubleshooting
If you encounter issues with your EDGELEC 3mm Blue Blinking LEDs, refer to the following troubleshooting tips:
- LED Not Lighting Up:
- Check Polarity: Ensure the blue (Anode) wire is connected to the positive (+) terminal and the black (Cathode) wire to the negative (-) terminal of your 12V DC power source. Incorrect polarity is a common reason for non-operation.
- Verify Power Source: Confirm that your power supply is providing 12V DC and is functioning correctly. Test the voltage with a multimeter if possible.
- Inspect Connections: Check all wire connections for looseness, breaks, or shorts. Ensure wires are securely attached and insulated.
- Test Individual LED: If multiple LEDs are connected, isolate the non-working LED and test it individually to determine if the issue is with the LED itself or the circuit.
- LED Blinking Incorrectly or Not at 1.5Hz:
- Stable Voltage: Ensure your 12V DC power source is stable and not fluctuating. Unstable voltage can affect the blinking frequency.
- Over-voltage/Under-voltage: Confirm the power supply is precisely 12V DC. Operating outside the recommended voltage range (9V-13V DC) can affect performance.
- LED is Dim:
- Check Voltage: Ensure the LED is receiving the full 12V DC. Voltage drop in long wires or poor connections can reduce brightness.
- Lens Cleanliness: A dirty or obstructed lens can reduce perceived brightness.
7. Specifications
Detailed specifications for the EDGELEC 12V 3mm Blue Blinking LED Lights:
| Attribute | Value |
|---|---|
| Model Number | PW-DIP LED |
| LED Size | 3mm |
| Lens Style | Round |
| Lens Type | Diffused |
| Color | Blue (Blinking) |
| Forward Voltage (Min. DC V) | 9V |
| Forward Voltage (Max. DC V) | 13V |
| Forward Current (IF) | 20mA |
| Luminous Intensity (mcd) | 600-800 mcd (for Blue) |
| Wavelength (nm) | 460-470 nm (for Blue) |
| Viewing Angle | 120° |
| Wire Lead Length | 7.8 inches (20 cm) |
| Wire Type | 7-Core Pure Copper, Tin-Coated End |
| Lifespan | 20,000+ hours |
| Preloaded Resistor | 0.25 Watt Metal Film Resistor |
| Item Package Quantity | 50 pieces |
| Package Dimensions | 10.9 x 3.6 x 0.6 inches |
| Item Weight | 3.21 ounces |
| Manufacturer | EDGELEC |
| Date First Available | August 20, 2019 |

Image: Dimensional drawing of the LED.
8. Warranty and Support
EDGELEC stands behind the quality of its products. While specific warranty details are not provided in this manual, for any product support, technical assistance, or warranty inquiries, please contact EDGELEC directly through their official channels or the retailer from whom you purchased the product.
Always retain your proof of purchase for any warranty claims.
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