MF228 ZARLINK | Alldatasheet
Document overview
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Technical content
Features
- 850 nm Surface-Emitting LED
- 70 MHz Bandwidth
- Uniform phase distribution
- Designed for 200/280 µm fiber
Applications
- Electronic Distance Measurement (EDM)
- S e n s o r s
- A v i o n i c s
Description
This device is capable of providing high power into large-core fiber over a wide temperature range. Thanks to its very uniform phase distribution of the optical power, it is ideal for Electronic Distance Measurement equipment.
Ordering Information
-40 °C to +85 °C Note: Rated Fiber coupled power apply only on the TO-46 package, for housing options fiber coupled power is typically 10% less MF228 850 nm, 50 MHz High Performance LED Data Sheet Figure 1 - Pin Diagram Figure 2 - Functional Schematic ANODE CASE Bottom View CATHODE Anode in electrical contact with the case ANODECATHODE October 2004
Zarlink Semiconductor Inc. Note 1: Measured at the exit of 100 meters of fiber. Optical and Electrical Characteristics - Case Temperature 25°C Parameter Symbol Min. Typ. Max. Unit Test Condition Fiber-Coupled Power (Figures 3, 4, and 5) (Table 1) Pfiber 1000 1200 µWI F = 100 mA (Note 1) Fiber: 200/280 µm Step Index NA = 0.24 Rise and Fall Time (10-90%) t r,tf 71 0 n s I F = 100 mA (no bias) Bandwidth (3dBel)f c 50 MHz I F = 100 mA Peak Wavelength λp 830 850 870 nm I F = 100 mA Spectral Width (FWHM) ∆λ 50 nm I F = 100 mA Forward Voltage (Figure 7) V F 1.8 2.2 V I F = 100 mA Reverse Current I R 20 µAV R =1V Capacitance C 250 pF V R-0 V, f = 1 MHz Absolute Maximum Ratings Parameter Symbol Limit Storage Temperature Tstg -55 to +125°C Operating Temperature (derating: Figure 6) Top -40 to +85°C Electrical Power Dissipation (derating: Figure 6) Ptot 250 mW Continuous Forward Current (f<10 kHz) IF 110 mA Peak Forward Current (duty cycle<50%,f>1 MHz IFRM 180 mA Reverse Voltage VR 1.5 V Soldering Temperature (2mm from the case for 10 sec.) Tsld 260°C Thermal Characteristics Parameter Symbol Min. Typ. Max. Unit Thermal Resistance - Infinite Heat Sink Rthjc 100 °C/W Thermal Resistance - No Heat Sink Rthja 400 °C/W Temperature Coefficient - Optical Power d P/dTj -0.4 %/ °C Temperature Coefficient - Wavelength d λ/dTj 0.3 nm/ °C Typical Fiber-Coupled Power Core Diameter/Cladding Diameter Numerical Aperture 50/125 µm 0.20 62.5/125 µm 0.275 100/140 µm 0.29 200/230 µm 0.37 200/280 µm 0.24 60 µW 150 µW4 5 0 µW 1300 µW 1200 µW
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