ELECTRO-OPTICAL CHARACTERISTICS PER ELEMENT (TA=25
O
C unless otherwise noted)
SYMBOL CHARACTERISTIC TEST CONDITIONS MIN TYP MAX UNITS
ISC Short Circuit Current H = 100 fc, 2850 K 100 125 mmA
I D Dark Current H = 0, VR = 10 V 2.5 5 nA
RSH Shunt Resistance H = 0, VR = 10 mV 150 200 MΩ
TC RSH RSH Temp. Coefficient H = 0, VR = 10 mV -8 % /
o
C
CJ Junction Capacitance H = 0, VR = 10 V 40 pF
λrange Spectral Application Range Spot Scan 320 1100 nm
λp Spectral Response - Peak Spot Scan 950 nm
VBR Breakdown Voltage I = 10 mmA 50 100 V
N EP Noise Equivalent Power VR = 10 V @ Peak .75x10
-14
W/ Hz
tr Response Time RL = 1 KΩ VR = 10 V 5 15 nS
ABSOLUTE MAXIMUM RATING (TA=25
O
C unless otherwise noted)
SYMBOL PARAMETER MIN MAX UNITS
VBR Reverse Voltage 100 V
T
STG
Storage Temperature -55 +150
O
C
TO Operating Temperature Range -40 +125
O
C
TS Soldering Temperature* +240
O
C
I
L
Light Current 0.5 mA
*1/16 inch from case for 3 secs max
FEATURES
High speed
Low capacitance
Blue enhanced
Low dark current
Silicon Photodiode, Blue Enhanced Photoconductive
Quadrant Type PDB-C204
APPLICATIONS
Optical Alignment
Position sensing
Edge sensing
Instrumentation
Information in this technical data sheet is believed to be correct and reliable. However, no responsibility is assumed for possible inaccuracies or omission. Specifications
are subject to change without notice.
DESCRIPTION
The PDB-C204 is a silicon, pin planar
diffused, blue enhanced quadrant cell
photodiode. Ideal for high speed photo-
conductive applications. Packaged in
a 0.600 dia TO-8 metal can with a flat
window cap.
PHOTONIC
DETECTORS INC.
SPECTRAL RESPONSE
WAVELENGTH (nm)
RESPONSIVITY (A/W)
ACTIVE AREA = 7.75 mm
2
PER ELEMENT
0.0018 [0.045] TYP GAP
R0.1235 [R3.137]
Ø0.550 [13.97]
Ø0.475 [12.07]
0.032 [0.81]
[15.24]
Ø0.600
3
4
[0.81]
WIRE BONDS
HEADER
CHIP
0.260 [6.60] SQUARE
C
2
1
45°
C
L
ANGLE
ANODE #1
VIEWING
L
94°
WINDOW
0.032
CAP
ANODE #4
[12.70]
& CASE
CATHODE
ANODE #3
MIN
0.075 [1.91]
0.500
0.182 [4.62]
Ø0.400 [10.16]
ALL LEADS ARE Ø0.015 [0.38]
0.100
[2.54]
0.200 [5.08]
PACKAGE DIMENSIONS INCH (mm)
0.600 DIA TO-8 CAN PACKAGE
190
0.1
0
300
400
500
0.3
0.2
0.5
0.4
0.7
0.6
1100
800
600
700
900
1000
1200
QE = 100%
