Professional 3MM IR Transmitter & Receiver Supplier
- Lifespan > 50,000 hours
- Stable Signal in Complex Environments
- Precise Wavelengths: 850nm / 880nm / 940nm
- Wide Beam Angle: 10° ~ 120°
- Compliant with RoHS / REACH Standards
- Rapid Infrared Signal Acquisition
Your One-Stop Wholesaler for 3mm IR LED & IR Receiver
We are a professional Chinese manufacturer specializing in the production of 3mm DIP infrared LEDs and photodiodes, with many years of experience in the R&D and production of infrared LEDs and photodiodes.
Our 3mm IR LEDs / IR Photodiodes deliver outstanding performance and rapid response, ensuring stable signal transmission over long distances and wide angles while meeting high-speed signal reception/transmission requirements. They feature strong anti-interference capabilities, effectively filtering external disturbances.
Our 3mm IR LEDs/IR Photodiodes are widely applied in smart home appliances, smart sensors, electronic toys, medical equipment, and various other scenarios, adapting to diverse complex environments.
We provide professional technical support, customizing emission angles, wavelengths, and packaging types to meet your specific requirements. We support both small-batch sampling and large-scale production, helping clients rapidly complete project development and mass production.
Contact us now to request samples and pricing information!
DY-3MM IR TX & RX Product Parameters
- Transmitter Parameter
- Receiver Parameter
- Inquiry & Supply Process
| Product Name | Model | Lighting Angle | Forward current | Forward voltage | Radiation intensity | Peak wavelength |
| 3mm Round IR Tx | L3IR120-4-850 | 2θ1/2 30° | 100mA | If=20mA Typ:1.2V Max:1.4V If=100mA Min:1.4V Typ:1.8V | If=20mA Min:3mwSr Typ:6mw/Sr If=100mA Min:15mwSr Typ:30mw/Sr | 850nm |
| L3IR120-4-940 | 2θ1/2 30° | 100mA | If=20mA Typ:1.2V Max:1.4V If=100mA Min:1.4V Typ:1.8V | If=20mA Min:3mwSr Typ:6mw/Sr If=100mA Min:15mwSr Typ:30mw/Sr | 940nm |
| Product Name | Model | Photocurrent | Rise/Fall Time | Wavelength range | Peak wavelength |
| 3mm Round IR Rx | L3IRJ24-4-402-850 | Min:10uA Typ:25UA | Min:10/10nS Max:20/20nS | Min:700nm Max:1000nm | 850nm |
| L3IRJ24-4-402-940 | Min:20uA Typ:30UA | Min:45/45nS Max:50/50nS | Min:700nm Max:1200nm | 940nm |
Inquiry Submission
Submit your inquiry request, providing the required model, specifications, or compatible brand model (for example, VS1838B). At the same time, we can also provide basic technical information and application requirements for reference.
Technical Evaluation
Engineers will recommend suitable infrared receiver models based on the application scenario to ensure compatibility with system design and signal requirements.
Sample Arrangement
Provide engineering samples for functional verification, including reception distance, signal stability, and circuit compatibility.
Engineering Confirmation
After testing and validation, confirm key parameters and product specifications to support subsequent project development.
Mass Production Supply
Arrange stable mass production supply to support the customer’s production plan, ensuring product quality is stable and reliable.




















