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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
60
20 10 5
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
0.5
o0.450.05 12.70.2 17.00.2
14.01.0
o0.450.05 14.01.0
16.00.2
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
1. Anode (Negative) 2. Cathode (Positive) 3. Case
7.00.2
8.50.2 12.00.15
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
4.3
1. Anode (Negative) 2. Cathode (Positive) 3. Case
25.31.0
o5.00.2
3.50.5
15.0
6.0
NR8501 SERIES ORDERING INFORMATION
PART NUMBER FLANGE TYPE NR8501FP-BC-AZ* Flat Mount Flange NR8501FP-CC-AZ* NR8501FR-BB-AZ* NR8501FR-CB-AZ* NR8501CP-BC-AZ* Vertical Mount NR8501CP-CC-AZ* Flange NR8501CR-BB-AZ* NR8501CR-CB-AZ* 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
*NOTE: Please refer to the last page of this data sheet, "Compliance with EU Directives" for Pb-Free RoHS Compliance Infomation.
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.
02/24/2003
A Business Partner of NEC Compound Semiconductor Devices, Ltd.
4590 Patrick Henry Drive Santa Clara, CA 95054-1817 Telephone: (408) 919-2500 Facsimile: (408) 988-0279
Subject: Compliance with EU Directives
CEL certifies, to its knowledge, that semiconductor and laser products detailed below are compliant with the requirements of European Union (EU) Directive 2002/95/EC Restriction on Use of Hazardous Substances in electrical and electronic equipment (RoHS) and the requirements of EU Directive 2003/11/EC Restriction on Penta and Octa BDE. CEL Pb-free products have the same base part number with a suffix added. The suffix -A indicates that the device is Pb-free. The -AZ suffix is used to designate devices containing Pb which are exempted from the requirement of RoHS directive (*). In all cases the devices have Pb-free terminals. All devices with these suffixes meet the requirements of the RoHS directive. This status is based on CEL's understanding of the EU Directives and knowledge of the materials that go into its products as of the date of disclosure of this information.
Restricted Substance per RoHS Lead (Pb) Mercury Cadmium Hexavalent Chromium PBB PBDE Concentration Limit per RoHS (values are not yet fixed) < 1000 PPM < 1000 PPM < 100 PPM < 1000 PPM < 1000 PPM < 1000 PPM Concentration contained in CEL devices -A Not Detected Not Detected Not Detected Not Detected Not Detected Not Detected -AZ (*)
If you should have any additional questions regarding our devices and compliance to environmental standards, please do not hesitate to contact your local representative.
Important Information and Disclaimer: Information provided by CEL on its website or in other communications concerting the substance content of its products represents knowledge and belief as of the date that it is provided. CEL bases its knowledge and belief on information provided by third parties and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. CEL has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. CEL and CEL suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall CEL's liability arising out of such information exceed the total purchase price of the CEL part(s) at issue sold by CEL to customer on an annual basis. See CEL Terms and Conditions for additional clarification of warranties and liability.

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