SMP525G-EJ
MECHANICAL DATA Dimensions in mm.
P.I.N. PHOTODIODE
FEATURES
• • • • • • • • • ASYMMETRIC RECEIVING ANGLES EXCELLENT LINEARITY LOW NOISE WIDE SPECTRAL RESPONSE LOW LEAKAGE CURRENT LOW CAPACITANCE INTEGRAL OPTICAL FILTER OPTION note 1 TO39 HERMETIC METAL CAN PACKAGE EMI SCREENING MESH AVAILABLE
WINDOW Ø 5.9 ± 0.1
Ø 9.1 ± 0.2 Ø 8.1 ± 0.1
SENSITIVE SURFACE
Ø 0. 4 5 L E AD 5 . 0 8 ± 0 .2
20
3.8 ± 0.2
Note 1 Contact Semelab Plc for filter options
2
1
DESCRIPTION
The SMP525G-EJ is a Silicon P.I.N. photodiode incorporated in a hermetic metal can package. The electrical terminations are via two leads of diameter 0.018" on a pitch of 0.2". The can structure permits a wide range of optical filter options. The cathode of the photodiode is electrically connected to the package. The photodiode active area provides asymmetric viewing angles in two orthogonal directions. The photodiode structure has been optimised for high sensitivity, asymmetric light measurement applications. The metal can and optional screening mesh ensure a rugged device with a high degree of immunity to radiated electrical interference.
TO-39 Package
Pin 1 – Anode Pin 2 – Cathode & Case
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
Operating temperature range Storage temperature range Temperature coefficient of responsively Temperature coefficient of dark current Reverse breakdown voltage Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
-40°C to +70°C -45°C to +80°C 0.35% per °C x2 per 8°C rise 60V
Prelim. 1/98
SMP525G-EJ
CHARACTERISTICS (Tamb=25°C unless otherwise stated) Characteristic Test Conditions.
Responsively Active Area Dark Current Breakdown Voltage Capacitance E = 0 Dark E = 0 Dark E = 0 Dark E = 0 Dark E = 0 Dark 30V Reverse 50Ω 900nm 1V Reverse 10V Reverse 10µA Reverse 0V Reverse 20V Reverse λ at 900nm
Min.
0.45
Typ.
0.55 2.05 0.25 4
Max.
Units
A/W mm2
4 10
nA V pF
60
80 45 6
Rise Time NEP
ns W/√Hz
Spectral Response
100
Relative Responsivity (%)
80 60 40 20 0 0 200 400 600 Wavelength (nm) 800 1000 1200
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 1/98
SMP525G-EJ
Directional Characteristics
1 0.9
Normalised Incident Power Normalised Incident Power
Directional Characteristics
1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0
0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 10 20 30 40 50 60 70 80 90 Angle from se nsor to illumination
0
10
20
30
40
50
60
70
80
90
Angle from se nsor to illumination
Directional characteristics 80° 70°
Directional characteristics 80° 70°
1
Angle from sensor to illumination
1
Angle from sensor to illumination
60°
0.8 0.8
60° 50° 50° 40° 30°
0.6
0.6
40° 30°
0.4
0.4
20°
0.2
20°
0.2
10°
10°
0 0 0.2 0.4 0.6 0.8 1 Normalised incident power
0 0 0.2 0.4 0.6 0.8 1 Normalised incident power
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 1/98
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