41
VTB Process Photodiodes
VTB8440, 8441
PRODUCT DESCRIPTION
Planar silicon photodiode in a recessed ceramic
package. Chip is coated with a protective layer
of epoxy. These diodes have very high shunt
resistance and have good blue response.
PACKAGE DIMENSIONS
inch (mm)
CASE 21 8 mm CERAMIC
CHIP ACTIVE AREA: .008 in
2
(5.16 mm
2
)
ABSOLUTE MAXIMUM RATINGS
Storage Temperature:
-20C to 75C
Operating Temperature:
-20C to 75C
ELECTRO-OPTICAL CHARACTERISTICS @ 25C
(See also VTB curves, pages 21-22)
SYMBOL
CHARACTERISTIC
TEST CONDITIONS
VTB8440
VTB8441
UNITS
Min.
Typ.
Max.
Min.
Typ.
Max.
I
SC
Short Circuit Current
H = 100 fc, 2850 K
35
45
35
45
A
TC I
SC
I
SC
Temperature Coefficient
2850 K
.12
.23
.12
.23
%/C
V
OC
Open Circuit Voltage
H = 100 fc, 2850 K
490
490
mV
TC V
OC
V
OC
Temperature Coefficient
2850 K
-2.0
-2.0
mV/C
I
D
Dark Current
H = 0, VR = 2.0 V
2000
100
pA
R
SH
Shunt Resistance
H = 0, V = 10 mV
.07
1.4
G
TC R
SH
R
SH
Temperature Coefficient
H = 0, V = 10 mV
-8.0
-8.0
%/C
C
J
Junction Capacitance
H = 0, V = 0
1.0
1.0
nF
S
R
Sensitivity
365 nm
.10
.10
A/W
range
Spectral Application Range
320
1100
320
1100
nm
p
Spectral Response - Peak
920
920
nm
V
BR
Breakdown Voltage
2
40
2
40
V
1/2
Angular Resp. - 50% Resp. Pt.
50
50
Degrees
NEP
Noise Equivalent Power
5.9 x 10
-14
(Typ.)
1.3 x 10
-14
(Typ.)
D*
Specific Detectivity
3.9 x 10
12
(Typ.)
1.7 x 10
13
(Typ.)
/ W
W
Hz
/
cm Hz
PerkinElmer Optoelectronics, 10900 Page Ave., St. Louis, MO 63132 USA Phone: 314-423-4900 Fax: 314-423-3956 Web: www.perkinelmer.com/opto
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