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ST-2A Datasheet(PDF) 1 Page - Mitel Networks Corporation |
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ST-2A Datasheet(HTML) 1 Page - Mitel Networks Corporation |
1 / 10 page PRODUCT INFORMATION Europe: Tel (46) 8 58 02 45 00 Fax (46) 8 58 02 01 10 Tel (44) 1291 436180 Fax (44) 1291 436771 America: Tel 1-800-96MITEL Fax (613) 592-6909 Asia: Tel (65) 293 5312 Fax (65) 293 8527 12090.11 1994-09-20 Baseband Video 860nm 0.6 14 Ø1.5 Ø4.7 3.7 0.4 5.4 2.5 CASE ANODE CATHODE BOTTOM VIEW The anode is in electrical contact with the case. TO-46 Package With Lens The low thermal droop of this device allows baseband video transmission with minimum distortion. The dou- ble-lens optical system provides for optimum coupling of power into the fiber. 1A255 High-Performance LED Thermal Characteristics Fiber: 62.5/125 m Graded Index NA=0.275 Optical and Electrical Characteristics (25°C Case Temperature) Absolute Maximum Ratings Note 1: Measured at the exit of 100 meters of fiber. Note 2: Transient decline in optical power due to self-heating. PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION Fiber-Coupled Power Pfiber 80 120 W IF=80 mA (Fig.1, 2,& 3) (Table 1) (Note 1) Rise and Fall Time tr,tf 68 ns IF=80 mA (10-90%) (no bias) Bandwidth fc 55 MHz IF=80 mA (3dBel) Thermal Droop (nonlinearity) (Note 2) l Pl 2% IF=80 mA Peak Wavelength p 840 860 880 nm IF=80 mA Spectral Width (FWHM) 50 nm IF=80 mA Forward Voltage (Fig.5) VF 1.8 2.2 V IF=80 mA Reverse Current IR 20 A VR=1V Capacitance C 250 pF VR= 0V, f=1 MHz 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 dP/dTj -0.5 %/ C Temperature Coefficient -Wavelength d /dTj 0.3 nm/ C PARAMETER SYMBOL LIMIT Storage Temperature Tstg -55 to +125 C Operating Temperature (derating: Fig.4) Top -55 to +125 C Electrical Power Dissipation (derating: Fig.4) 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 |
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