MF431 1320 nm - 125 MHz High Performance LED Data Sheet September 2004 Ordering Information MF431 MF431 MF431 MF431 MF431 ST SC SMA FC TO-46 Package ST Housing SC Housing SMA Housing FC Housing -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. Description Features • 1320 nm Surface-Emitting LED • 125 MHz Bandwidth • Designed for 62.5/125 µm Fiber • Aligned in Multiple Receptacle • MTTF >1,000,000 hours This LED is designed for Datacom, Telecom and General Purpose Applications. It has a long wavelength LED for links up to 10 km at 125 Mbps. It meets standards for FDDI (ANSI X3T9.5) and ATM 155 Mbps. The device is optimized for 62.5/125 µm fiber and actively aligned in an ST receptacle. The MF432 PIN Photodiode is recommended as Receiver for this LED. Applications • Sonet OC-3 • FDDI • ATM 155 Mbps • General Purpose CASE ANODE CATHODE ANODE CATHODE Bottom View The diode chip is isolated from the case. Figure 1 - Pin Diagram Figure 2 - Functional Schematic 1 Zarlink Semiconductor Inc. Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc. Copyright 2001-2004, Zarlink Semiconductor Inc. All Rights Reserved. MF431 Data Sheet Optical and Electrical Characteristics - Case Temperature 25°C Parameter Symbol Min. Fiber-Coupled Power (Figures 3, 4, and 5) (Table 1) Pfiber 43 Rise and Fall Time (10-90%) tr,tf Bandwidth (3dBel) Typ. Max. Unit Test Condition µW IF=60 mA (Note 1) Fiber: 2.5 ns IF=60 mA (no bias) fc 125 MHz IF=60 mA 62.5/125 µm Graded Index Peak Center Wavelength λp 1320 nm IF=60 mA Spectral Width (FWHM) ∆λ 135 nm IF=60 mA Forward Voltage (Figure 7) VF 1.3 1.65 V IF=60 mA Reverse Current IR 100 µA VR=1 V Capacitance C pF VR-0 V, f=1 MHz Note 1: 200 Measured at the exit of 100 meters of fiber. 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 160 mW IF 80 mA IFRM 130 mA Reverse Voltage VR 0.5 V Soldering Temperature (2 mm from the case for 10 sec.) Tsld 260°C Continuous Forward Current (f<10 kHz) Peak Forward Current (duty cycle<50%,f>1 MHz Thermal Characteristics Parameter Symbol Min. Typ. Max. Unit Thermal Resistance - Infinite Heat Sink Rthjc 150 °C/W Thermal Resistance - No Heat Sink Rthja 400 °C/W Temperature Coefficient - Optical Power dP/dTj -0.75 %/°C Temperature Coefficient - Wavelength ∆λ/dTj 0.45 nm/°C 2 Zarlink Semiconductor Inc. MF431 Data Sheet r Relative Fiber-coupled power (%) 100 z 80 r - optimal ØC = 62.5 µm 60 40 20 0 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 z - Axial Displacem ent of Fiber (µm) (m m ) Figure 3 - Relative Fiber-coupled Power vs. z - Axial Displacement of Fiber 100 r Relative Fiber-coupled Power (%) 90 z 80 z - optimal ØC = 62.5 µm 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 r - Radial Displacem ent of Fiber (µm) (m m ) Figure 4 - Relative Fiber-coupled Power vs. r - Radial Displacement of Fiber 3 Zarlink Semiconductor Inc. MF431 Data Sheet Relative Fiber-coupled Power (%) 100 50% Duty Cycle 80 60 DC 40 20 Heat Sinked 0 0 25 50 75 100 125 150 175 200 Forw ard Current (m A) Figure 5 - Relative Fiber-coupled Power vs. Forward Current Max. Electrical Power Dissipation (mW) 300 200 Infinite Heat Sink No Heat Sink 100 0 0 25 50 75 100 125 150 Operating Tem perature (oC) Figure 6 - Max. Electrical Power Dissipation vs. Operating Temperature 4 Zarlink Semiconductor Inc. MF431 Data Sheet 200 175 Forward Current (mA) 150 125 100 75 50 25 0 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 Forw ard Voltage (V) Figure 7 - Forward Current vs. Forward Voltage 5 Zarlink Semiconductor Inc. 2.5 2.75 3 BOTTOM VIEW ( 10 : 1 ) SIDE VIEW 13,46`0,76 3,8 2,54 0,6 0,03 (3x) n0,45 + - 0,05 (3x) n1,17 + - 0,04 n4,7 0 R2,7 45° R0,2 max (4x) 0,3 max glass overmould (2x) R0,4 max 2` 0, 3 3, 6 1, 0 Lens n1.5`0.05 NOTES:1. All dimensions in mm. 2. General tol. ISO-2768-mK. 3. Coating: Case: Ni 1,5-2,5 µm. Header: Ni 2-3 µm / Au min 1,32 µm. Package code © Zarlink Semiconductor 2002. All rights reserved. ISSUE 1 ACN JS004 076R1 A DATE 22-MAR-03 APPRD. TD/BE Previous package codes TB Drawing type Package drawing, TO-46 with lens Title JS004076 For more information about all Zarlink products visit our Web Site at www.zarlink.com Information relating to products and services furnished herein by Zarlink Semiconductor Inc. or its subsidiaries (collectively “Zarlink”) is believed to be reliable. However, Zarlink assumes no liability for errors that may appear in this publication, or for liability otherwise arising from the application or use of any such information, product or service or for any infringement of patents or other intellectual property rights owned by third parties which may result from such application or use. Neither the supply of such information or purchase of product or service conveys any license, either express or implied, under patents or other intellectual property rights owned by Zarlink or licensed from third parties by Zarlink, whatsoever. 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