C10423 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – DRIVING CIRCUIT

UV TRON^® DRIVING CIRCUIT
C10423
Compact, Lightweight, Low Current Consumption
Operates as High-sensitivity UV Sensor Just by Connecting to a UV TRON R9454
Ideal for Fire and Arson Surveillance
FEATURES
The C10423 is a compact power supply and signal processing circuit
developed to drive the high-sensitivity UV sensor "UV TRON R9454".
By using a double-sided printed circuit board we cut the area size to
half that of conventional drive circuits (C3704 series).
Since the high-voltage supply and signal processor are mounted on the
same circuit board, the C10423 can operate as a high-sensitivity UV
sensor just by connecting a UV TRON and supplying a low DC voltage.
The signal processing circuit cancels out background discharges
which may occur in the UV TRON due to natural excitation light (cos-
mic rays, solar UV rays, etc.). This minimizes erroneous detection so
the C10423 output signal can be used without additional filtering.
Combining the C10423 with a high-sensitivity "UV TRON R9454" (sold
separately) for use as a flame detector yields sensitivity capable of de-
tecting the flame from a cigarette lighter (flame length 25 mm) even at
distances up to 5 meters away.
APPLICATIONS
GFlame detectors for gas and oil lighters
GFire alarms
GArson watch monitor
GCombustion monitors for burners
GElectric spark detector
SPECIFICATIONS
Parameter
Description / Value Unit
Open Collector Output
(High Impedance,
Output Signal
Low Impedance)
—
(50 V, 100 mA Max.)
10 ms with pulse output ¹
UV TRON Supply Voltage
400 ²
V
Quenting Time
Approx. 25
ms
Suitable UV TRON
R9454 (sold separately) —
Operating Ambient Temperature ³
-10 to +50
°C
Input Voltage (DC)
12 to 24
V
Current Consumption Max.
4
mA
Weight
Approx. 12
g
NOTE: 1The output pulse width can be extended up to about 10 s by add-
ing a capacitor to the circuit board.
2Since the output impedance of this power supply is extremely
high, an ordinary voltmeter cannot be used. Use a voltmeter that
has an input impedance of more than 10 GΩ.
3No condensation
* UV TRON is sold separately
DIMENSIONAL OUTLINE (Unit: mm)
ANODE
GND
48
CATHODE
GND
4- 3.5
LOT MARKING
CX
21+–
2.54
7.62
40
50
TOP VIEW
SIDE VIEW
TPT A0043EA
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Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are
subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2007 Hamamatsu Photonics K.K.