Datasheet MF432SC, MF432ST, MF432PIGTAIL Datasheet (MITEL)

14

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.

ST Assembly

SC Assembly

Pigtail Assembly

MF432 ST

MF432 SC

MF432 Pigtail

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

Pigtail Applications

•

ATM-SDH/SONET 155,
622 and 2488Mbps

•

FITL - Fiber In The Loop

•

FTTH/FTTC - Fiber To
The Home/Curb

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

13325.11 1997-04-01

13326.11 1997-04-01

13327.11 1997-04-01

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

MF432 Datacom, Telecom, General Purpose PIN Photodiodes

Ordering Information

PART # RECEPTACLE

MF431 ST ST
MF 432 SC SC
MF 432 Pigtail Pigtail

-40°C to +85°C

15

ST

SC

Pigtail

FIBER

EMITTER

BOTTOM VIEW

ANODE

CASE

CATHODE

MF432 PIN

Datacom, Telecom, General Purpose PIN Photodiodes MF432

MF432 Functional Diagram For ST, SC and Pigtail

16

Optical & Electrical Characteristics (Case Temperature -25 to +70˚C)

Units

A/W

GHz

pF
nA

Test Conditions

λ=1300nm (Note 1)
λ=1550nm V

R

=5V

V

R

=5V RL=50Ω
(Note 1)
V

R

=5V f=1MHz
T

Case

=25˚C

T

Case

=70˚C

V

R

=5V
(Note 2)

Max.

1.2
3

50

Min.

0.7

0.8

2.5

40

Typ.

0.8

1.0

0.8

55

Symbol

R

f

c

C
I

d

RL

Parameter

Responsivity (Fig 1, 2, 3)

Bandwidth

Capacitance (Fig 4)
Dark Current

Return Loss

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).

Absolute Maximum Ratings*

Units

°C
°C

V

°C

Max.

+85
+85

20

260

Min.

-40

-40

Symbol

T

stg

T

op

V

R

T

sld

Parameter

Storage Temperature
Operating Temperature
Reverse Voltage
Soldering Temperature (Note 1)

Thermal Characteristics

*Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Note 1: 2mm from the case for 10s.

Units

%/˚C

Max.Min. Typ.

5

Symbol

dId/dT

j

Parameter

Temperature Coefficient - Dark Current

MF432 Datacom, Telecom, General Purpose PIN Photodiodes

17

Figure 1

Figure 2

Figure 3

Figure 4

Datacom, Telecom, General Purpose PIN Photodiodes MF432

%

100

80

60

40

RELATIVE RESPONSIVITY

20

0

0.5

1.0 1.5

z - AXIAL DISPLACEMENT OF FIBER

%

100

r

Øc =

r = opt.

z

62.5 µm

%

100

80

60

40

RELATIVE RESPONSIVITY

20

2.0

2.5

3.0

mm

0

0

20 40

r

z = opt.

Øc =

62.5 µm

z

60

80

120

µm

r - RADIAL DISPLACEMENT OF FIBER

pF

2.0

50

RELATIVE RESPONSIVITY

0

1000

900 1100

800

WAVELENGTH

1200

1300

1400 1600

1500

1700

1800

1.0

CAPACITANCE

nm

0

0

5

REVERSE VOLTAGE

10

V

18

Ø 6

0.4

2.5

5.4

min.12

MARKING

13

Ø6.00

Fiber length 1m

Ø2.3

Ø7.5

0.4

MARKING / SLOT SIDE

22

2.5

5.4

8.9

1.4 x 4

18

min. 12

12

2.5

7.95

0.006

FIBER

END

Ø2.5

+0

-0.004

RECOMMENDED FERRULE

(not included)

13

18

12.7

MARKING SIDE

SLOT SIDE

9.5

0.4

7.89

2-56 UNC - 2B

max.0.5

min.12 20.1

3.9

5.4

7.6

3/8"-32 UNEF

0.006

FIBER

END

Ø2.5

Ø2.502
+0.01

0

+0

-0.004

RECOMMENDED

FERRULE

(not included)

5.4

2.5

Note: The PIN chip is isolated from the case. All dimensions in mm.

MF432 Datacom, Telecom, General Purpose PIN Photodiodes

MF432 ST Mechanical Data

MF432 SC Mechanical Data

MF432 Pigtail Mechanical Data

19

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.

Typical Receiver Circuit

MF432 SC Clip MF432 Pigtail ClipST Packaging Hardware

SC Connector

on MF432 Pigtail

Datacom, Telecom, General Purpose PIN Photodiodes MF432

V

CC

47µF

GND

.01µF

220 Ω

10µH

10µF

10µH

10µF

.01µF

47kΩ

.01µF

LED

100pF

1
2
3
4
5

NE5214

6
7
8
9

10

(TTL)

V

OUT

20

100pF

19
18

0.1µF

17
16
15

14

13
12
11

5
6
7

8

5.1kΩ

NE5212A

2.2 - 3.2

10µH

4
3
2
1

10µF

.01µF

60 (max)

7.4 - 7.5

100Ω

MF432

PIN

OPTICAL INPUT

1µF
.01µF

2.0 - 2.2 9.0 - 9.1

R 1.00

3/8 - 32 UNEF
2B THREAD

9.53

12.70

HEX-NUT

10.41

WASHER

1.65

14.27

0.46

3.3000

5.6000

10,2500

80,000

0.5000

4.9500

0.5000

20.8200

10.25

10.3000

4.5000

5.0800

3.6450

0.50

4.95

0.50

0.85

10.70

10.30

4.50

5.08

3.65

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