SIRT4S12NN is a infrared led emitter designed for reliable optical sensing and illumination applications. Its documented electrical, optical and thermal limits are listed below.
Handling and Integration Notes
- Operate the emitter within the absolute maximum ratings stated in the datasheet.
- Use a regulated current driver and appropriate thermal management.
- Apply ESD-safe handling and verify polarity before assembly.
- Validate optical alignment and operating temperature in the final system.
Product Specifications
| Peak Wavelength: | 880 nm |
| Forward Voltage: | 1.4 / 1.7 V |
| Forward Current: | 50mA |
| Shape: | TO46 metal-can package |
| Beam Angle: | 15 degrees |
Payment & Shipping Terms
Certifications: ROHS | FCC | CE
Features
- High radiant power
- Long-life design
- Suitable for high pulse-current operation
- Package diameter: ∅ 4.7
- Peak wavelength: λp=880nm
- High reliability
Applications
- Optical switches and security systems
- Remote controls and robotics
- Linear and rotary encoders
Package Dimensions
Detailed Technical Specifications
Maximum Ratings (Ta = 25°C)
| Parameter | Symbol | Rating | Unit |
|---|---|---|---|
| Reversevoltage | VR | 5 | V |
| Powerdissipation | Pd | 150 | mW |
| ContinuousForwardCurrent | IF | 100 | mA |
| PeakForwardCurrent*1 | IFP | 1000 | mA |
| Operatingtemperature | Topr | -25 to +85 | ℃ |
| Storagetemperature | Tstg | -40 to +85 | ℃ |
| Solderingtemperature | Tsol | 260 | ℃ |
Electro-Optical Characteristics (Ta = 25°C)
| Parameter | Symbol | Conditions | MIN. | TYP. | MAX. | Unit |
|---|---|---|---|---|---|---|
| Forward Voltage | Vf1 | I =50mA F | – | 1.4 | 1.7 | V |
| Vf2 | I =100mA F | – | 1.5 | – | V | |
| Reverse Current | IR | VR=5V | – | – | 10 | μA |
| Radiantintensity | IE | I =20mA F | – | 22 | – | mW/sr |
| Rise/FallTime | tf/tr | I =50mA F | – | 20/20 | 35/35 | ns |
| Spectral Half-Width | Δλ | I =50mA F | – | 40 | – | nm |
| Peak Wavelength | λp | I =50mA F | – | 880 | – | nm |
| Viewing Angle | θ1/2 | – | – | 15 | – | degrees |
Typical Characteristic Curves
Support and Services
As a manufacturer of LED packaging, we partner with you from spec selection to scaled production — expert guidance, transparent collaboration, and seamless logistics.
FAQ
Q: Are you a manufacturer or trade company?
A: We are a factory in LED packaging since 2010.
Q: Can I get samples before placing larger orders?
A: Yes. Free-of-charge samples for most LEDs; freight to be borne by buyer.
Q: What is your MOQ?
A: Typically 1000pcs per LED type, except white / warm white where MOQ may differ.
Q: How long is the delivery lead time?
A: Most orders ship 7–10 days after payment confirmation; bulk and customized lead times vary.
Q: Which couriers do you use?
A: DHL / UPS / FedEx / TNT for samples and small parcels; sea/air freight for bulk.
Q: Do you support customization (pin cutting, packaging, binning)?
A: Yes. Customized manufacturing services are available for all customers.
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Email: sales@demophotech.com
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