1. Product Overview
The OSRAM LED Micro Pin G4 bulb is a low-voltage LED alternative designed to replace traditional 10W halogen lamps. It features an extremely small form factor, making it suitable for various applications. This bulb provides a warm white light at 2700 Kelvin, ideal for creating atmospheric light accents in living spaces and decorative settings. It is compatible with both DC and AC 12V systems.
Key Features:
- Energy Efficiency: Consumes only 1W, equivalent to a 10W incandescent bulb.
- Long Lifespan: Up to 15,000 hours and 100,000 switching cycles.
- Instant Full Light: No warm-up time required.
- Warm White Light: 2700K for a comfortable and relaxing ambiance.
- Compact Design: Extremely small size for versatile use.
- Low Heat Emission: Operates with significantly less heat compared to traditional bulbs.
- Mercury-Free: Environmentally friendly design.

Figure 1: Packaging of the OSRAM LED Micro Pin G4 bulb, highlighting its features and specifications.
2. Setup and Installation
This LED bulb is designed for easy replacement of existing G4 halogen bulbs. Ensure compatibility with your fixture's voltage (12V AC/DC) before installation.
Safety Precautions:
- Always turn off the power supply to the fixture before installing or replacing the bulb.
- Allow the old bulb to cool down completely before handling.
- Do not touch the electrical contacts with bare hands during installation.
- This bulb is rated IP20; it is not waterproof. For outdoor applications, it must be used within appropriate, sealed luminaires.
Installation Steps:
- Turn Off Power: Locate the power switch or circuit breaker controlling the light fixture and turn it off.
- Remove Old Bulb: Carefully pull the old G4 halogen bulb straight out from its socket.
- Insert New Bulb: Align the two pins of the OSRAM LED Micro Pin G4 bulb with the holes in the G4 socket. Gently push the bulb straight into the socket until it is fully seated. Do not force it.
- Restore Power: Turn the power supply back on.
- Test: Switch on the light to ensure the bulb is functioning correctly.

Figure 2: Detailed view of the OSRAM LED Micro Pin G4 bulb, showing its G4 base pins.
3. Operating Instructions
The OSRAM LED Micro Pin G4 bulb operates like a standard light bulb. Once installed, simply use the existing light switch to turn the light fixture on or off.
- Instant Illumination: The bulb will provide full brightness immediately upon switching on, with no warm-up period.
- Light Color: Emits a warm white light (2700K) suitable for creating a cozy and inviting atmosphere.
- Dimming: This bulb is not explicitly stated as dimmable in the specifications. Using it with a dimmer switch not designed for non-dimmable LEDs may cause flickering or damage.

Figure 3: Example of the warm ambient lighting provided by LED bulbs in a living room setting.
4. Maintenance
The OSRAM LED Micro Pin G4 bulb requires minimal maintenance due to its long lifespan and durable design.
- Cleaning: If the bulb becomes dusty, turn off the power and allow it to cool. Gently wipe the bulb with a soft, dry, lint-free cloth. Do not use liquid cleaners or abrasive materials.
- Replacement: With an average lifespan of 15,000 hours, frequent replacement is not expected. When replacement is necessary, follow the installation steps outlined in Section 2.
- Disposal: This product contains an energy class 'F' bulb. Dispose of the bulb according to local regulations for electronic waste. The light source can be easily removed from the product for separate disposal if required by local regulations.
5. Troubleshooting
If you encounter issues with your OSRAM LED Micro Pin G4 bulb, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up | No power to the fixture; Bulb not properly seated; Faulty bulb; Incorrect voltage. | Check power supply/circuit breaker; Ensure bulb is fully inserted into socket; Test with another known working bulb; Verify fixture provides 12V AC/DC. |
| Bulb flickers | Incompatible dimmer switch; Loose connection; Voltage fluctuations. | Remove dimmer or replace with LED-compatible dimmer; Ensure bulb is securely seated; Consult an electrician for voltage stability. |
| Light is too dim or too bright | Incorrect bulb wattage for application; Fixture design. | Ensure 1W (10W equivalent) is appropriate for your needs; Consider fixture design limitations. |
6. Specifications
Detailed technical specifications for the OSRAM LED Micro Pin G4 bulb.
| Specification | Value |
|---|---|
| Brand | OSRAM |
| Manufacturer | LEDVANCE |
| Model Number | LED PIN MICRO 12 V (4058075523098) |
| Product Dimensions (L x W x H) | 3 x 1 x 1 cm |
| Item Weight | 1.9 grams |
| IP Rating | IP20 |
| Number of Items | 1 |
| Style (Equivalent) | 10 W |
| Color | Warm White 2700 K |
| Shape | Tubular (T) |
| Material | Silicone |
| Components Included | 1 LED pin bulb |
| Voltage | 12 Volts |
| Specific Uses | Decoration |
| Special Features | Energy efficiency |
| Bulb Type | LED |
| Cap Type | G4 |
| Luminous Flux | 100 lm |
| Power Consumption | 1 Watts |
| Incandescent Equivalent | 10 Watts |
| Color Temperature | 2700 Kelvin |
| Color Rendering Index (CRI) | 80 |
| Average Lifespan | 15,000 Hours |
| Beam Angle | 300 Degrees |
| Energy Efficiency Class | F |
| Country of Origin | Germany |
For more detailed product information, including the official energy label and technical data sheet, please refer to the EPREL database: https://eprel.ec.europa.eu/qr/522870

Figure 4: Energy label for the OSRAM LED Micro Pin G4 bulb, indicating energy class F.
7. Warranty and Support
Warranty Information:
This OSRAM LED Micro Pin G4 bulb comes with a three-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
Customer Support:
For technical assistance, warranty claims, or any product-related inquiries, please contact LEDVANCE customer care:
- Email: service@ledvance.com
- Website: http://www.ledvance.com
Manufacturer Address:
LEDVANCE GmbH
Parkring 29-33
85748 Garching
Germany





