The 1206ULM850-L is a compact 850nm single-channel 1206 SMD VCSEL designed for surface-mount optical integration. It features a typical emission wavelength of 850nm , a typical optical output power of 2mW at IF = 6mA , a specified peak power of 30mW , and a typical viewing angle of 12° . With high reliability, wavelength stabilization, Pb-free construction, RoHS compliance and Moisture Sensitivity Level L3, it is suitable for compact optoelectronic designs requiring stable 850nm VCSEL performance and automated SMD assembly.
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- Description
- Additional information
Description
850nm 1206 SMD VCSEL Overview
The
1206ULM850-L
is a single-channel
850nm VCSEL (Vertical-Cavity Surface-Emitting Laser)
supplied in a compact 1206 surface-mount package. It provides a typical emission wavelength of
850nm
, a typical optical output power of
2mW at IF = 6mA
, and a specified peak power of
30mW
- .
- Designed for compact surface-mount integration, the device combines high reliability, wavelength stabilization and high-speed optical performance. It provides a minimum 3dB modulation bandwidth of
3GHz at IF = 6mA
and a typical viewing angle of
12°
Key Performance: 850nm single-channel VCSEL with 2mW typical optical output at 6mA and a minimum 3GHz modulation bandwidth in a compact 1206 SMD package.
Key Features
- 1206 SMD VCSEL package
- Single-channel VCSEL
- Typical emission wavelength: 850nm
- Typical optical output power: 2mW at IF = 6mA
- Specified peak power: 30mW
- Minimum 3GHz modulation bandwidth at IF = 6mA
- High reliability
- Wavelength stabilization
- Pb-free product compliant with EU RoHS requirements
- Moisture proof grade: L3
Product Specifications
| Parameter | Specification |
|---|---|
| Model | 1206ULM850-L |
| Product Type | 1206 SMD VCSEL |
| Channel | Single Channel |
| Typical Wavelength | 850 nm |
| Wavelength Range | 830–860 nm |
| Typical Optical Output Power | 2 mW @ IF = 6 mA |
| Peak Power | 30 mW |
| 3dB Modulation Bandwidth | Min. 3 GHz @ IF = 6 mA |
| Typical Viewing Angle | 12° @ IF = 6 mA |
| VCSEL Chip Dimension | 200 × 200 × 150 µm |
| Moisture Proof Grade | L3 |
| Compliance | Pb-free / RoHS compliant |
Detailed Optical and Electrical Characteristics
The following optical and electrical characteristics are specified at
Ta = 25°C
, unless otherwise stated in the original product datasheet.
| Parameter | Symbol | Unit | Min. | Typ. | Max. | Test Conditions |
|---|---|---|---|---|---|---|
| Emission Wavelength | λ | nm | 830 | 850 | 860 | IF = 6mA |
| Threshold Current | ITH | mA | 0.40 | 0.90 | 1.40 | — |
| Threshold Current | ITH | mA | 0.40 | — | 2.5 | T = -40–90°C |
| Optical Output Power | Popt | mW | — | 2 | — | IF = 6mA |
| Slope Efficiency | ηS | W/A | 0.27 | — | 0.55 | — |
| Variation of ηS over Temperature | ΔηS / ηS / ΔT | %/K | — | 0.45 | 0.60 | T = -40–25°C / T = 25–90°C |
| Differential Series Resistance | Rs | Ω | 25 | 50 | 65 | IF = 6mA |
| 3dB Modulation Bandwidth | V3dB | GHz | 3 | — | — | IF = 6mA |
| Rise and Fall Time | tR/tF | ps | — | 70 | 80 | 20%–80%; ER = 5dB; IF = 6mA |
| Relative Intensity Noise | RIN | dB/Hz | — | -130 | -120 | IF = 6mA |
| Spectral Width | Δλ | nm | — | 0.30 | 0.65 | IF = 6mA, RMS |
| Viewing Angle | 2θ1/2 | deg | — | 12 | — | IF = 6mA |
850nm Spectrum Characteristics
The spectrum chart provided in the datasheet shows optical emission centered around the nominal
850nm wavelength
. At IF = 6mA, the specified emission wavelength range is
830–860nm
- , with a typical value of 850nm.
- The spectral width is typically
0.30nm
and has a specified maximum of
0.65nm
at IF = 6mA under the stated RMS measurement conditions.
Optical Radiation Pattern
The 1206ULM850-L has a typical viewing angle of
12° at IF = 6mA
. The radiation pattern below is extracted directly from the original product datasheet.
1206 SMD Package Dimensions
The 1206ULM850-L uses a compact surface-mount package. According to the original external dimension drawing,
terminal 1 is the cathode
and
terminal 2 is the anode
. The datasheet also provides a recommended soldering pad design for PCB integration.
| Package Parameter | Dimension |
|---|---|
| Package Length | 3.2 ± 0.2 mm |
| Overall Height | 2.0 ± 0.2 mm |
| Base Height | 0.5 ± 0.1 mm |
| Terminal 1 | Cathode |
| Terminal 2 | Anode |
Absolute Maximum Ratings
The following values are the absolute maximum ratings specified in the original datasheet and should not be interpreted as recommended continuous operating conditions.
| Parameter | Rating |
|---|---|
| Continuous Forward Current | 12 mA |
| Maximum Reverse Bias Voltage | 8 V |
| Storage Temperature Range | -40°C to +125°C |
| Substrate Temperature During Operation | -40°C to +90°C |
Stresses greater than the specified absolute maximum ratings may cause permanent damage to the device.
Tape and Reel Packaging
The 1206ULM850-L is supplied in
tape-and-reel packaging with 1500 pieces per reel
. The original reel and carrier tape dimensions are shown below for production and automated surface-mount assembly reference.
Storage and Handling
The product datasheet specifies moisture-controlled storage requirements before and after opening the package. Following the stated storage conditions helps protect the device before PCB mounting and soldering.
- Do not open the moisture-proof bag before the devices are ready for use.
- Before opening, store at 30°C or below and 60% RH or below.
- The maximum storage period before opening the package is 1 year.
- After opening, keep the devices at 30°C / 35% RH or below.
- Use the devices within 7 days after opening.
- If baking is required before mounting, the specified condition is 60 ± 5°C for 12 hours.
Soldering Precautions
Proper soldering and electrical handling are important for maintaining device reliability. The datasheet specifies the following precautions for mounting and circuit integration.
- Reflow soldering should not be performed more than two times.
- Do not apply mechanical stress to the device during soldering.
- Do not warp the circuit board before it has returned to normal ambient conditions after soldering.
- Use an appropriate current-limiting resistor to keep the device within the rated current.
- Avoid instantaneous high voltage during circuit turn-on and turn-off.
Request a Quote
Contact LumiLaserChip for pricing, sample availability, lead time and technical information for the
1206ULM850-L 850nm 1206 SMD VCSEL
. When requesting a quotation, please provide your required quantity, application and relevant technical requirements so that we can evaluate the appropriate supply option for your project.
VCSEL Optical Design
For VCSEL integration, review the operating wavelength, optical output and drive conditions, package footprint, optical emission pattern and temperature behavior shown in the product specifications.
Frequently Asked Questions
What type of photonic device is 850nm 1206 SMD VCSEL Laser Diode – 1206ULM850-L?
850nm 1206 SMD VCSEL Laser Diode – 1206ULM850-L belongs to the VCSEL product family and is used for laser emission applications.
What wavelength or spectral range does 850nm 1206 SMD VCSEL Laser Diode – 1206ULM850-L use?
The specified wavelength or spectral range is 850 nm. Refer to the technical specifications above for operating conditions and applicable tolerances.
What package is available for 850nm 1206 SMD VCSEL Laser Diode – 1206ULM850-L?
The product is listed in 1206 SMD format. Check the package drawing and pin or fiber details above before integration.
What applications are associated with 850nm 1206 SMD VCSEL Laser Diode – 1206ULM850-L?
The product is listed for 3D & Proximity Sensing. Suitability should be evaluated against the required optical and electrical specifications.
Related Technical Resources
Additional information
| Device Technology | VCSEL |
|---|---|
| Wavelength Band | 700–999 nm |
| Application | 3D & Proximity Sensing |
| Package Type | 1206 SMD |
| Device Function | Laser Emission |
| Wavelength / Spectral Range | 850 nm |
| Optical Interface | PCB Surface Mount |
