850nm200mw Laser Diode 5450-J1
The 850nm laser diode is a compact semiconductor infrared emitter. It plays an important role in photoelectric sensing, including photodetectors, optical encoders and photoelectric switches. 1. Domestic brands: Huaguang and Huashang. 2. Sony. 3. Sharp.
Specification Snapshot
Spectral width Δλ [Laser Characteristics; Emission bandwidth for90% integrated power]
typical:3 nm; max:5 nm
Conversion efficiency η=Po/(IopVop) [Laser Characteristics]
typical:30 %
Threshold current Ith [Laser Characteristics]
typical:35 mA; max:45 mA
Operating current Iop [Laser Characteristics]
typical:250 mA; max:300 mA
Operating voltage Vop [Laser Characteristics; typical formula from note4]
Vf=1.5V+Iop×Rs
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Overview
The 850nm laser diode is a compact semiconductor infrared emitter. It plays an important role in photoelectric sensing, including photodetectors, optical encoders and photoelectric switches. 1. Domestic brands: Huaguang and Huashang. 2. Sony. 3. Sharp.
Specifications
| Parameter | Value |
|---|---|
| CW output power, kink-free Po [Laser Characteristics; 25°C; 0.6NA collection optics] | max:200 mW |
| Spectral width Δλ [Laser Characteristics; Emission bandwidth for90% integrated power] | typical:3 nm; max:5 nm |
| Slope efficiency ηD=Po/(Iop−Ith) [Laser Characteristics] | min:0.75 mW/mA; typical:0.85 mW/mA |
| Conversion efficiency η=Po/(IopVop) [Laser Characteristics] | typical:30 % |
| Emitting dimensions W×H [Laser Characteristics] | typical:3 µm × 1 µm |
| FWHM beam divergence Parallel to junction θ// [Laser Characteristics] | typical:9 degrees |
| FWHM beam divergence Perpendicular to junction θ⊥ [Laser Characteristics] | typical:30 degrees |
| Threshold current Ith [Laser Characteristics] | typical:35 mA; max:45 mA |
| Operating current Iop [Laser Characteristics] | typical:250 mA; max:300 mA |
| Series resistance Rs [Laser Characteristics] | typical:4.0 Ω; max:6.0 Ω |
| Thermal resistance Rth [Laser Characteristics] | typical:60 °C/W |
| Recommended case temperature Tc [Laser Characteristics] | min:-20 °C; max:30 °C |
| Operating voltage Vop [Laser Characteristics; typical formula from note4] | Vf=1.5V+Iop×Rs |
| Reverse voltage Vrl [Absolute Maximum Ratings] | max:3 V |
| Case operating temperature Top [Absolute Maximum Ratings] | min:-20 °C; max:50 °C |
| Storage temperature range Tstg [Absolute Maximum Ratings] | min:-40 °C; max:80 °C |
| Lead soldering temperature Tis [Absolute Maximum Ratings; 5sec.] | max:250 °C |
| Monitor Photodiode Sensitivity | min:0.1 µA/mW; max:20 µA/mW |
| Monitor Photodiode Capacitance | typical:6 pF |
| Monitor Photodiode Breakdown voltage Vbd | typical:25 V |
| Monitor Photodiode Operating voltage Vop | typical:10 V |
| Astigmatism [note6] | <5 µm |
Key Features
200mW kink-free power
Narrow spectral width
High efficiency
Low astigmatism
High reliability
Datasheet
Product Datasheet
PDF
Supplier Information
Dongguan BU-Laser Co., Ltd. was established in September 2010. It is a high-tech enterprise integrating R&D, production and sales of semiconductor lasers. With the business philosophy of "innovation, effectiveness, quality and service" and the purpose of winning the market together with customers, let technology change the way of life!
The company owns its own brands "LANJI" and "VIAN", and has won the reputation of China's honest semiconductor laser supplier, with multiple patent certifications.
We are a laser high-tech company located in Dongguan, with more than 20 production lines and a daily production capacity of 50,000 pieces. There are 68 automated equipment and 200 employees. We can design customized lasers according to customer requirements. A professional technical team and efficient after-sales service bring the best service to every customer and escort you.
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