Pigtailed PIN Photodiodes
Technical Data
PDT1X4X
Features
• Variety of Flange/Pinout
Options
• Fiber Pigtail Options
• Compact Package
• High Reliability Planar
InGaAs PIN Photodiode
• High Responsivity
Description
The PDT range of products
includes a variety of compact
fiber pigtailed devices designed
for wide operating temperature,
low cost applications such as
fiber in the loop. The planar
InGaAs photodiodes are manufac-
tured using MOVPE growth tech-
nology and give low leakage and
high responsivity performance
with excellent reliability.
The construction of the devices
includes a hermetically sealed
photodiode and an actively
aligned fiber pigtail and is
designed to be compatible with
the environmental requirements
of the Bellcore TA-TSY-000983
document.
Applications
• Instrumentation
• O-E Converters
• Single and Multimode Fiber
Communications Systems
• Data Communications
Receivers
• FDDI
The product range includes a
variety of pinout, fiber type and
package mounting bracket
options, designed to match the
majority of offerings in the
marketplace. If the specific
arrangement or performance you
require is not listed, please
contact Hewlett-Packard. Highly
flexible design and manufacturing
processes allow both physical and
electro-optic customization to
suit your needs.
5963-3401E (11/94)
509
PDT Pigtailed Photodiode Specifications
Absolute Maximum Ratings
Absolute maximum limits mean that no catastrophic damage will occur if the product is subjected to these ratings for short
periods, provided each limiting parameter is in isolation and all other parameters have values within the performance
specification. It should not be assumed that limiting values of more than one parameter can be applied to the product at the same
time.
Parameter
Symbol
Minimum
Maximum
Units
Reverse Voltage
V
r
-
20
V
Reverse Current
I
r
-
1
mA
Forward Voltage
V
f
-
1
V
Forward Current
I
f
-
5
mA
Power Dissipation
-
-
50
mW
Operating Temperature
T
c
-40
85
°C
Storage Temperature
T
s
-40
85
°C
Soldering - 10 seconds
-
-
260
°C
Fiber Pull
-
-
10
N
Performance Specification
Test Conditions:
Unless Otherwise
Stated
V
r
= 5 V, T
c
= 25°C
T
c
= 85°C
I
r
= 10
µA
1 Mhz
λ
= 1300 nm
80% points
Parameter
Dark Current
Reverse Breakdown Voltage
Capacitance
Responsivity
Operating Wavelength
Small Signal Bandwidth
Rise/Fall Times
Symbol
I
d
Vbr
C
R
λ
Bw
τ
r
/τ
f
PDT134X
Min.
Max.
-
1
-
50
35
-
-
1.1
0.7
-
1200
1650
3
-
-
0.25
PDT144X
Min. Max.
-
1
-
50
35
-
-
1.7
0.7
-
1200 1650
1.5
-
-
0.5
Units
nA
nA
V
pF
A/W
nM
GHz
nS
Fiber Pigtail:
Tight jacketed, self-mode stripping, multimode fiber
Parameter
Length
Core Diameter
Cladding Diameter
Concentricity Error
Secondary Jacket Diameter
Minimum
1.0
47
122
-
0.8
Maximum
-
53
128
8
1.0
Units
m
µm
µm
%
mm
510
Ordering Information
PDT1 X 4 X-X X-X X
Connector Type:
FP = FC/PC
ST = ST
®
BI = Biconic
SC = SC
DN = DIN
D4 = D4
SF = Super Polish FC/PC
TO to Mount Connection:
I = Isolated (Default if not specified)
S = Shorted
Flange Type:
A = 2 hole panel mount, 13.4 mm between centers
B = Barrel
D = 2 hole PCB mount, 12.7 mm between centers
G = 2 hole PCB mount, 14.0 mm between centers
Pin Out:
Options shown on Page 4
Device Type:
3 = 50
µm
Photodiode
4 = 90
µm
Photodiode
Fiber Type:
1 = 50/125 Fiber
Options available for single mode and 62.5/125 fibers
Preferred Options:
PDT1346-DI
PDT1441-DI
PDT1442-AS
PDT1442-BI
PDT1442-DI
PDT1446-DI
Additional options are available to meet your specific needs. Please contact your local representative for
details.
ST
®
is a Registered Trademark of AT&T.
513
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