MF432
Datacom, Telecom, General Purpose PIN Photodiodes
MF432 ST
MF432 SC
MF432 Pigtail
ST Assembly
SC Assembly
Pigtail Assembly
ST Applications
•
FDDI
•
ESCON
•
ATM-SDH/SONET 155,
622 and 2488Mbps
•
FITL - Fiber In The Loop
•
FTTH/FTTC - Fiber To
The Home/Curb
•
Intra-Office
Telecommunications
•
General Purpose
SC Applications
•
FDDI
•
ESCON
•
ATM-SDH/SONET 155,
622 and 2488Mbps
•
FITL - Fiber In The Loop
•
FTTH/FTTC - Fiber To
The Home/Curb
•
Intra-Office
Telecommunications
•
General Purpose
Pigtail Applications
•
ATM-SDH/SONET 155,
622 and 2488Mbps
•
FITL - Fiber In The Loop
•
FTTH/FTTC - Fiber To
The Home/Curb
Features-All MF432 Devices
•
1300 and 1550nm PIN
Photodiode
•
2.5GHz Bandwidth
•
Designed for Single-Mode
and Multi-Mode Fiber
•
Aligned in ST
®
, SC
Receptacle or with a
Single-Mode Fiber Pigtail
•
Tested to Bellcore
TA-NWT-000983
•
High Return Loss in Pigtail
Configuration
Description
This family of PIN Photodiodes is designed for Datacom, Telecom
and General purpose applications. Their unique design combines high
bandwidth with high responsivity for single-mode as well as multimode
fibers up to 62.5µm core diameter. The MF432 PIN Photodiode is
available in ST, SC, or Pigtail package.
Specially-designed connectors and clips for PC board assembly
are included in deliveries of MF432 in SC and Pigtail configurations.
The MF431 LED is the recommended transmitter for these PIN
photodiodes.
Ordering Information
PART #
RECEPTACLE
MF431 ST
ST
MF 432 SC
SC
MF 432 Pigtail
Pigtail
-40°C to +85°C
13325.11 1997-04-01
13326.11 1997-04-01
13327.11 1997-04-01
14
Datacom, Telecom, General Purpose PIN Photodiodes
MF432
MF432 Functional Diagram For ST, SC and Pigtail
FIBER
ANODE
CATHODE
CASE
BOTTOM VIEW
ST
SC
Pigtail
MF432
PIN
EMITTER
15
MF432
Datacom, Telecom, General Purpose PIN Photodiodes
Absolute Maximum Ratings*
Parameter
Storage Temperature
Operating Temperature
Reverse Voltage
Soldering Temperature (Note 1)
Symbol
T
stg
T
op
V
R
T
sld
Min.
-40
-40
Max.
+85
+85
20
260
Units
°C
°C
V
°C
*Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Note 1: 2mm from the case for 10s.
Optical & Electrical Characteristics
(Case Temperature -25 to +70˚C)
Parameter
Responsivity (Fig 1, 2, 3)
Bandwidth
Capacitance (Fig 4)
Dark Current
Symbol
R
f
c
C
I
d
Min.
0.7
0.8
2.5
Typ.
0.8
1.0
Max.
Units
A/W
GHz
Test Conditions
λ=1300nm
(Note 1)
λ=1550nm
V
R
=5V
V
R
=5V R
L
=50Ω
(Note 1)
V
R
=5V f=1MHz
T
Case
=25˚C
T
Case
=70˚C
V
R
=5V
(Note 2)
0.8
1.2
3
50
pF
nA
Return Loss
RL
40
55
Note 1: Data for 10/125µm single-mode fiber (NA=0.11) to 62.5/125µm graded index fiber (NA=0.275).
Note 2: With 10/125µm single-mode fiber pigtail (NA:0.11).
Thermal Characteristics
Parameter
Temperature Coefficient - Dark Current
Symbol
dI
d
/dT
j
Min.
Typ.
5
Max.
Units
%/ ˚C
16
Datacom, Telecom, General Purpose PIN Photodiodes
MF432
%
100
%
100
80
80
RELATIVE RESPONSIVITY
60
RELATIVE RESPONSIVITY
60
40
40
r
20
r = opt.
Øc = 62.5
µm
z
r
20
z = opt.
Øc = 62.5
µm
z
0
0.5
1.0
1.5
2.0
2.5
3.0
mm
0
0
20
40
60
80
120
µm
z - AXIAL DISPLACEMENT OF FIBER
r - RADIAL DISPLACEMENT OF FIBER
Figure 1
Figure 2
%
100
pF
2.0
RELATIVE RESPONSIVITY
50
CAPACITANCE
900
1000
1100 1200 1300
1400
1500 1600 1700 1800
nm
1.0
0
800
0
0
5
10
V
WAVELENGTH
REVERSE VOLTAGE
Figure 3
Figure 4
17
MF432
Datacom, Telecom, General Purpose PIN Photodiodes
MF432 ST Mechanical Data
2-56 UNC - 2B
max.0.5
3/8"-32 UNEF
FIBER
END
SLOT SIDE
0.006
Ø2.502
+0.01
0
12.7
2.5
9.5
5.4
0.4
MARKING SIDE
Ø2.5
+0
-0.004
7.89
RECOMMENDED
FERRULE
(not included)
7.6
min.12
3.9
5.4
20.1
Note: The PIN chip is isolated from the case. All dimensions in mm.
MF432 SC Mechanical Data
2.5
12
Ø2.3
1.
4
x4
MARKING / SLOT SIDE
0.006
13
FIBER
END
Ø2.5
+0
-0.004
Ø7.5
5.4
2.5
22
18
0.4
7.95
8.9
RECOMMENDED FERRULE
(not included)
min. 12
18
MF432 Pigtail Mechanical Data
MARKING
2.5
Ø6
5.4
0.4
Fiber length 1m
min.12
13
Ø6.00
18
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