R4146-10_15 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – ELECTRON MULTIPLIER

ELECTRON MULTIPLIER
R4146-10
Thickness: 6 mm, Can be stacked side-by-side
for Multi-collector Mass Spectrometry
SPECIFICATIONS
GENERAL
Parameter
Input Aperture Diameter
Dynode Structure
Number of Dynode Stages
First Dynode Material
Total Built-in Resistance
Operating Ambient Temperature
Storage Temperature
Polarity of Detected Ions
Description / Value Unit
8×1
mm
Linear focused
—
18
—
Cu-BeO
—
21
MΩ
-30 to +50
°C
-80 to +50
°C
Positive
—
MAXIMUM RATINGS
Parameter
Anode to First Dynode Voltage
Anode to Last Dynode Voltage
Operating Vacuum Level
Bake-Out Temperature (at 5 × 10^-3 Pa)
Average Anode Current ^A
Operating Gain
Value
-2500
350
1 × 10^-2
350
10
1 × 10⁸
Unit
V
V
Pa
°C
µA
—
Figure 1: Typical Gain
10^{9 TPMHB0877EA}
10⁸
CHARACTERISTICS
Parameter
Value
Unit
10⁷
Recommened Supply Voltage
-1800
V
Gain (Typ.)
DC Linearity (Typ.)
1 × 10⁷
—
10⁶
5
µA
Dark Current (Max.)
1
pA
Rise Time (Typ.)
3.5
ns
10⁵
Anode to All Other Electrode Capacitance
4.0
pF
NOTE: A Averaged over any interval of 30 seconds maximum.
Figure 2: Example of Measurement configuration
10⁴
Magnet
eam
Heavy ion
R4146-10
(Detector)
Light ion
Signal
Signal
Thin: 6 mm
10³
10²
1000
1500
2000
2500
3000
SUPPLY VOLTAGE (V)
Ion source
TPMHC0249EA
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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. ©2014 Hamamatsu Photonics K.K.