Zarlink MF446ST High-performance pin Datasheet

MF446
High-Performance PIN
DS5461
ISSUE 1
May 2001
Ordering Information
MF446
MF446
MF446
MF446
MF446
MF446
13514.11 TO-46 Package
15062.11 ST Housing
13743.11 SMA Housing
13741.11 FC Housing
15268.11 SC Housing
15050.11 Pig-Tail including 1m of
62.5/125 µ m multi-mode fibre
ST
SMA
FC
SC
PT
Note: The rated Responsivity applies to all options.
Description
The very high speed and low capacitance of this
GaAs PIN Photodiode makes it ideal for datacom and
general purpose applications. Its double-lens optical
system collects power from fibers with up to 100mm
without loss in responsivity and a reverse voltage of
only 3.3 Volts makes interfacing to a preamplifier
easy.
TO-46 Package with Lens
Optical and Electrical Characteristics - Case Temperature -40 to +85˚C
Parameter
Symbol
Min.
Typ.
Max.
Unit
Responsivity
(Fig. 1 & 2) (Table 1)
R
0.35
0.45
A/W
VR=3.3V,
5V
λ=850nm
Bandwidth
ƒc
1.5
GHz
VR=3.3V,
5V
RL=50Ω
Capacitance (Fig. 4)
C
0.8
pF
VR=3.3V, 5V, f=1MHz
Dark Current
Id
nA
VR=3.3V, 5V
0.4
Test Condition
Fiber:
62.5/
125µm
Graded
Index
NA=0.275
Ø4.7
Ø1.5
0.6
CATHODE
3.7
14
2.5
0.4
5.4
BOTTOM VIEW
The diode chip is isolated from the case
All dimensions in mm
CASE
ANODE
1
MF446
Absolute Maximum Ratings
Parameter
Symbol
Limit
Storage Temperature
Tstg
-55 to +125˚C
Operating Temperature
Top
-40 to +85˚C
Reverse Voltage
VR
30V
Soldering Temperature (2mm from the case for 10 sec)
Tsld
260˚C
Thermal Characteristics
Parameter
Symbol
Temp. Coefficient - Dark Current
Min.
Typ.
d1/dTj
Max.
5
Unit
%/˚C
Typical Responsivity
Core Diameter/Cladding Diameter Numberical Aperture
10/125 µm
0.11
50/125 µm
0.20
62.5/125 µm
0.275
0.45 A/W
0.45 A/W
0.45 A/W
%
100
80
80
RELATIVE RESPONSIVITY
RELATIVE RESPONSIVITY
%
100
60
40
r
r = opt.
Øc = 62.5µm
20
60
40
r
z = opt.
Øc = 62.5µm
20
z
z
0
0
0.5
1.0
2.0
1.5
2.5
3.0 mm
0
z - AXIAL DISPLACEMENT OF FIBER
Figure 1
80
120 µm
pF
%
2.0
CAPACITANCE
RELATIVE RESPONSIVITY
60
40
Figure 2
100
50
1.0
0
0
600
700
80 0
WAVELENGTH
Figure 3
2
20
r - RADIAL DISPLACEMENT OF FIBER
900
1000 nm
0
5
REVERSE VOLTAGE
Figure 4
10 V
BOTTOM VIEW ( 10 : 1 )
SIDE VIEW
13,46`0,76
3,8
2,54
0,6
0,03 (3x)
n0,45 +
-
0,05 (3x)
n1,17 +
-
0,04
n4,7
0
R2,7
45°
R0,2 max (4x)
0,3 max glass overmould (2x)
R0,4 max
2`
0,
3
3,
6
1,
0
Lens n1.5`0.05
NOTES:1. All dimensions in mm.
2. General tol. ISO-2768-mK.
3. Coating: Case: Ni 1,5-2,5 µm.
Header: Ni 2-3 µm / Au min 1,32 µm.
Package code
© Zarlink Semiconductor 2002. All rights reserved.
ISSUE
1
ACN
JS004 076R1 A
DATE
22-MAR-03
APPRD. TD/BE
Previous package codes
TB
Drawing type
Package drawing, TO-46 with lens
Title
JS004076
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