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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(R), 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 62.5m 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 -40C to +85C
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
Tstg Top VR Tsld
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 +70C) Parameter
Responsivity (Fig 1, 2, 3) Bandwidth Capacitance (Fig 4) Dark Current
Symbol
R fc C Id
Min.
0.7 0.8 2.5
Typ.
0.8 1.0
Max.
Units
A/W GHz
Test Conditions
=1300nm (Note 1) =1550nm VR=5V VR=5V RL=50 (Note 1) VR=5V f=1MHz TCase=25C TCase=70C VR=5V (Note 2)
0.8
1.2 3 50
pF nA
Return Loss
RL
40
55
Note 1: Data for 10/125m single-mode fiber (NA=0.11) to 62.5/125m graded index fiber (NA=0.275). Note 2: With 10/125m single-mode fiber pigtail (NA:0.11).
Thermal Characteristics Parameter
Temperature Coefficient - Dark Current
Symbol
dId/dTj
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. Oc = 62.5 m z
r
20
z = opt. Oc = 62.5 m z
0 0.5 1.0 1.5 2.0 2.5 3.0 mm
0 0 20 40 60 80 120 m
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
O2.502 +0.01 0
12.7
2.5
9.5
5.4 0.4
MARKING SIDE
O2.5 +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
O2.3
1. 4
x4
MARKING / SLOT SIDE
0.006 13 FIBER END
O2.5 +0 -0.004
O7.5
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
O6
5.4
0.4
Fiber length 1m
min.12 13
O6.00
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Datacom, Telecom, General Purpose PIN Photodiodes MF432
Typical Receiver Circuit
VCC 47F .01F GND
10H
100
10F .01F 220 LED 1 100pF 2 3 4 5 47k 10H 6 7 10F 10H .01F 8 9 10 10F .01F 20 19 18 17 0.1F 8 5 100pF 6 7 4
1F .01F
NE5212A
3 2 1
NE5214
16 15 14 13 12 11
MF432
PIN
OPTICAL INPUT
VOUT (TTL)
5.1k
SC Connector on MF432 Pigtail
2.2 - 3.2
A typical Fiber Optic Receiver Circuit interfacing the PIN Photodiode to a Philips NE52121 transimpedance amplifier (140MHz) and to the Philips NE5211 FDDI Fiber Optic Postamplifier. This design is capable of operating at 125Mbps with single +5 or -5.2V supply with differential output impedance of 100k.
60 (max)
7.4 - 7.5
2.0 - 2.2
9.0 - 9.1
ST Packaging Hardware
3/8 - 32 UNEF 2B THREAD
3.3000
MF432 SC Clip
R 1.00
MF432 Pigtail Clip
5.6000 80,000 20.8200
10.70 0.50
0.5000
10.25
10.30
9.53
10,2500 10.3000
12.70 1.65
HEX-NUT
4.9500
0.5000 4.5000
4.95
10.41
14.27
5.0800
0.50 4.50
0.46
WASHER
3.6450
0.85 5.08
3.65
19
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