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NEC's

φ

µ

m

φ50µ

InGaAs PIN-PD

IN COAXIAL PACKAGE

FOR 2.5 Gbp/s APPLICATIONS

FEATURES

•

SMALL DARK CURRENT:

I

D

= 0.1 nA

•

HIGH SPEED RESPONSE:

fc = 2.5 GHz MIN

• HIGH SENSITIVITY:

S = 0.89 A/W at

λ

= 1310 nm

S = 0.94 A/W at

λ

= 1550 nm

•

LOW OPERATING VOLTAGE:

V

R

= 5 V

• COAXIAL MODULE WITH SINGLE MODE FIBER (SMF)

OR GI-50 FIBER

• WITH SC CONNECTOR: Standard, FC connector: option

(Refer to Ordering Information)

NR7500 SERIES

DESCRIPTION

NEC's NR7500 Series is an InGaAs PIN photo diode (PIN-PD)

coaxial module with optical fiber pigtail. This module is de-

signed for long wavelength 2.5 Gb/s optical fiber communica-

tion systems and is ideal as a reciever for Synchronous Digital

Hierarchy (SDH) system, STM-16, ITU-T recommendations.

ELECTRO-OPTICAL CHARACTERISTICS

(T

C

= 40° C to +85º C, unless otherwise specified)

PART NUMBER

SYMBOLS

I

D

C

t

S

fc

ORL

PARAMETERS AND CONDITIONS

Dark Current, V

R

= 5 V, T

C

= 25º C

V

R

= 5 V

Terminal Capacitance, V

R

= 5 V, f = 1 MHz, T

C

= 25º C

Sensitivity, V

R

= 5 V,

λ

= 1310 nm

V

R

= 5 V,

λ

= 1550 nm

Cut-off Frequency, V

R

= 5 V, T

C

= 25º C

Optical Return Loss

SMF

GI-50 Fiber

GHz

dB

pF

A/W

0.78

0.80

2.5

30

28

0.7

0.89

0.94

UNITS

nA

MIN

NR7500 Series

TYP

0.1

MAX

1.0

20

0.9

California Eastern Laboratories

NR7500 Series

ABSOLUTE MAXIMUM RATINGS

1

(T

C

= 25°C, unless otherwise specified)

SYMBOLS

V

R

I

F

P

IN

T

C

T

STG

T

SLD

RH

PARAMETERS

Reverse Voltage

Forward Current

Optical Input Power

Operating Case Temp.

Storage Temperature

Lead Soldering Temp.

Relative Humidity

(noncondensing)

UNITS

V

mA

mW

°C

%

RATINGS

20

10

8

-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

(T

C

= 25°C, unless otherwise specified)

WAVELENGTH DEPENDENCE OF

QUANTUM EFFICIENCY

TEMPERATURE DEPENDENCE OF

SENSITIVITY

10

Sensitivity (Relative Value),

∆S/S

(%)

100

λ

= 1310 nm

Quantum Efficiency,

η

(%)

80

60

0

40

20

0

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

-10

-60

-40

-20

0

20

40

60

80

100

Wavelength,

λ

(µm)

Operating Case Temperature, T

C

(°C)

REVERSE VOLTAGE DEPENDENCE

OF DARK CURRENT

10

TEMPERATURE DEPENDENCE

OF DARK CURRENT

V

R

= 5 V

Dark Current, I

D

(nA)

1.0

T

C

= 75°C

50°C

Dark Current, I

D

(nA)

1.0

0.1

25°C

0.1

0°C

0.01

-25°C

0.01

0.001

0

10

20

0.001

-60

-40

-20

0

20

40

60

80

100

Reverse Voltage, V

R

(V)

Remark:The graphs indicate nominal characteristics.

Operating Case Temperature, T

C

(°C)

NR7500 Series

TYPICAL PERFORMANCE CURVES

(T

C

= 25°C, unless otherwise specified)

REVERSE VOLTAGE DEPENDENCE

OF TERMINAL CAPACITANCE

2

f = 1.0 MHz

FREQUENCY RESPONSE

12

9

6

V

R

= 5 V

λ

= 1310 nm

P

IN

= -10 dB

R

L

= 50

Ω

Terminal Capacitance, C

t

(pF)

1

Response (dB)

3

0

-3

-6

-9

-12

0.5

0.3

0.1

0.3

1

3

10

-15

0

2.5

5.0

Reverse Voltage, V

R

(V)

Remark:The graphs indicate nominal characteristics.

Frequency, f (GHz)

OUTLINE DIMENSIONS

(Units in mm)

NR7500FP/FR

Optical Fiber

Length: 1 m MIN

ø0.9

ø3.2±0.2

3.5±0.5

NR7500CP/CR

Optical Fiber

Length: 1 m MIN

ø0.9

ø3.2±0.2

3.5±0.5

11.2±1.0

4.0±0.5

14.0±1.0

25.4±1.0

4.0±0.5

4.0±0.2

2.2

ø2.2

10.5±1.0

ø7.0±0.2

1.2±0.2

3.2

24.7±1.0

ø5.0±0.2

ø7.0±0.2

14.0±1.0

0.5±0.1

ø0.45±0.05

12.7±0.2

17.0±0.2

0.5

ø0.45±0.05

16.0±0.2

PIN CONNECTIONS

3.7±0.3

PIN CONNECTIONS

P.C.D. = ø2.0

4–R1.25±0.2

7.0±0.2

P.C.D. = ø2.0

1.0±0.1

3

2

1

3

2

7.2±0.3

1

3

2

3

2

1

1. Anode (Negative)

2. Cathode (Positive)

3. Case

2 – ø2.5

8.5±0.2

12.0±0.1

NR7500 Series

OPTICAL FIBER CHARACTERISTICS

PARAMETER

UNITS

SPECIFICATION

SMF

Mode Field Diameter

Core Diameter

Cladding Diameter

Maximum Cladding Noncircularity

Maximum Core/Cladding Concentricity

Outer Diameter

Cut-off Wavelength

Minimum Fiber Bending Radius

Fiber Length

Flammability

µm

%

mm

nm

mm

9.5±1

–

125±2

2

1.6

0.9±0.1

1100 to 1270

30

1000 MIN

GI-50

–

50±3

125±2

2

4.0

0.9±0.1

–

30

1000 MIN

UL1581 VW-1

35±2

mm

5±2

8.99±0.5 mm

Connector

Fiber Length: 1000 mm MIN

ORDERING INFORMATION

PART NUMBER FLANGE TYPE

NR7500FP-BC-AZ* Flat mount Flange

NR7500FP-CC-AZ*

NR7500FR-BB-AZ*

NR7500FR-CB-AZ*

NR7500CP-BC-AZ*Vertical Mount

NR7500CP-CC-AZ*

NR7500CR-BB-AZ*

NR7500CR-CB-AZ*

Note:

1. SC Connector: standard

FC Connector: option

FIBER TYPE

SMF

GI-50 Fiber

SMF

Flange

GI-50 Fiber

AVAILABLE CONNECTOR

1

With FC-UPC Connector

With SC-UPC Connector

With FC-SPC Connector

With SC-SPC Connector

With FC-UPC Connector

With SC-UPC Connector

With FC-SPC Connector

With SC-SPC 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.

3-180

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

< 100 PPM

< 1000 PPM

Concentration contained

in CEL devices

-A

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.

3-181

NR7500FR-BB-AZ

NR7500FR-BB-AZ概述

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