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| NEC's 50 InGaAs APD m IN COAXIAL PACKAGE NR8501 Series FOR 2.5Gb/s APPLICATIONS FEATURES * SMALL DARK CURRENT: ID = 7 nA * HIGH SENSITIVITY: S = 0.94 A/W at = 1310 nm, M = 1 S = 0.96 A/W at = 1550 nm, M = 1 * HIGH SPEED RESPONSE: fC = 2.5 GHz at M = 5 * COAXIAL MODULE WITH SINGLE MODE FIBER (SMF) or GI-50 Fiber * WITH SC CONNECTOR: Standard, FC connector: Option (Refer to Ordering Information) DESCRIPTION NEC's NR8501 Series are InGaAs avalanche photo diode (APD) coaxial modules with optical fiber pigtail. They are designed for long wavelength 2.5 Gb/s optical communication systems and are ideal as a reciever for Synchronous Digital Hierarchy (SDH) system, STM-16 ITU-T recommendations. ELECTRO-OPTICAL CHARACTERISTICS (TC = 25C, Unless otherwise specified) PART NUMBER SYMBOLS VBR 1 ID IDM Ct fC PARAMETERS AND CONDITIONS Reverse Breakdown Voltage, ID =100 A Temperature Coefficient of Reverse Breakdown Voltage Dark Current, VR = VBR x 0.9 Multiplied Dark Current, M = 2 to 10 Terminal Capacitance, VR = V(BR)R x 0.9, f = 1 MHz Cut-off Frequency, M = 5 M = 10 M = 30 Sensitivity, = 1310 nm, M = 1 = 1550 nm, M = 1 VR = V (@ID = 1 A) x F ORL Excess Noise Factor2, = 1310 nm, 1550 nm, IPO =1.0 A, M = 10, f = 35 MHz, B = 1 MHz Excess Noise Factor2, = 1310 nm, 1550 nm, IPO =1.0 A, M = 10, f = 35 MHz, B = 1 MHz Optical Return Loss SMF GI-50 Fiber dB 30 28 0.7 5 UNITS V %/C nA nA pF GHz 2.5 2.5 1.0 0.80 0.81 30 MIN 40 NR8501 Series TYP 60 0.20 7 1 0.5 3.0 3.0 1.2 0.94 0.96 40 30 5 0.75 MAX 80 S M A/W Multiplication Factor, = 1310 nm, IPO = 1.0 A Notes: VBR(25C+TC)-VBR(25C) 1. = TC * VBR(25C) 2. F = MX California Eastern Laboratories NR8501 SERIES ABSOLUTE MAXIMUM RATINGS1 (TC = 25C, unless otherwise specified) SYMBOLS IF IR TC TSTG TSLD RH PARAMETERS Forward Current Reverse Current Operating Case Temp. Storage Temperature Lead Soldering Temperature Relative Humidity (noncondensing) UNITS mA mA C C C % RATINGS 10 1.0 -40 to +85 -40 to +85 260 (10 sec.) 85 Note: 1. Operation in excess of any one of these parameters may result in permanent damage. TYPICAL PERFORMANCE CURVES (TC = 25C, unless otherwise specified) WAVELENGTH DEPENDENCE OF QUANTUM EFFICIENCY 100 TERMINAL CAPACITANCE vs. REVERSE VOLTAGE 100 Terminal Capacitance Ct (pf) Quantum Efficiency, (%) 50 80 20 10 5 60 40 20 2 0 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1 2 5 10 20 50 100 Wavelength, (m) Reverse Voltage, VR (V) EXCESS NOISE FACTOR vs. MULTIPLICATION FACTOR 10 Excess Noise Factor F 1 0.1 1 10 100 Multiplication Factor M NR8501 SERIES TYPICAL PERFORMANCE CURVES (TC = 25C, unless otherwise specified) DARK CURRENT AND PHOTO CURRENT vs. REVERSE VOLTAGE 10 -4 DARK CURRENT vs. REVERSE VOLTAGE 10 2 10-5 10-6 10 10 -7 = 1310 nm, Ipo = 1.0 A 10 -5 10 Dark Current, ID (nA) -8 Iph Tc = 10-9 10 -10 10-6 1 10-11 C 100 C +80 C +60 C +40 C +20 0 C C -20 Dark Current,ID, Iph (nA) 10 -7 10 -12 0 20 40 60 80 10 -8 Reverse Voltage, VR (V) 10-9 ID EXCESS NOISE FACTOR vs. MULTIPLICATION FACTOR 100 1310 nm ( ), 1550 nm (O) f = 35 MHz, B=1 MHz * 10 -10 Excess Noise Factor F 50 20 10 5 K 0.5 0.4 10-11 10-12 0 20 40 60 80 2 1 2 5 10 20 50 100 Reverse Voltage, VR (V) Multiplication Factor M NR8501 SERIES OUTLINE DIMENSIONS (Units in mm) FP/FR Optical Fiber Length: 1 m MIN o0.9 o3.20.2 Optical Fiber Length: 1 m MIN o7.00.2 CP/CR o0.9 4.00.5 24.71.0 4.00.2 10.51.0 o7.00.2 2.2 o2.2 1.20.2 3.2 0.50.2 8.00.3 4.3 0.5 o0.450.05 14.01.0 o0.450.05 14.01.0 16.00.2 12.70.2 17.00.2 PIN CONNECTIONS 3.70.3 P.C.D. = o2.0 3 2 1 P.C.D. = o2.0 4-R1.250.2 3 2 2-o2.5 1 PIN CONNECTIONS 3 2 1 1.00.1 3 2 1 7.20.3 7.00.2 1. Anode (Negative) 2. Cathode (Positive) 3. Case 8.50.2 12.00.15 1. Anode (Negative) 2. Cathode (Positive) 3. Case OPTICAL FIBER CHARACTERISTICS SPECIFICATION UNITS SMF GI-50 Fiber Mode Field Diameter 9.51 - m Core Diameter 503 m Cladding Diameter 1252 1252 m Maximum Cladding Noncircularity 2 2 % Maximum Core/Cladding Concentricity 1.6 4.0 % Outer Diameter 0.90.1 0.90.1 mm Cut-off Wavelength 1100 to 1270 nm Minimum Fiber Bending Radius 30 30 mm Fiber Length 1000 MIN 1000 MIN mm Flammability UL1581 VW-1 PARAMETER 352 mm 52 8.990.5 mm Connector Fiber Length: 1000 mm MIN ORDERING INFORMATION PART NUMBER NR8501FP-BC NR8501FP-CC NR8501FR-BB NR8501FR-CB NR8501CP-BC NR8501CP-CC NR8501CR-BB NR8501CR-CB FLANGE TYPE Flat Mount Flange FIBER TYPE AVAILABLE CONNECTOR SMF With FC-UPC Connector With SC-UPC Connector GI-50 Fiber With FC-UPC Connector With SC-UPC Connector SMF With FC-UPC Connector With SC-UPC Connector GI-50 Fiber With FC-UPC Connector With SC-UPC Connector Vertical Mount Flange Life Support Applications These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and agree to fully indemnify CEL for all damages resulting from such improper use or sale. 25.31.0 o5.00.2 3.50.5 15.0 6.0 02/24/2003 A Business Partner of NEC Compound Semiconductor Devices, Ltd. |
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