H8259 Datasheet, PDF (2/2 Pages) Hamamatsu Corporation – Side-on PMT

Characteristics (Count sensitivity, Dark count)
TPHOB0023EE
10⁶
H8259-01
H8259-02
10⁵
H8259
10⁴
Photon Counting Heads
10^{4 TPHOB0024ED}
H8259-02
10³
H8259-01
10²
H8259
10¹
10³
100 200 300 400 500 600 700 800 900
WAVELENGTH (nm)
10⁰
10
20
30
40
AMBIENT TEMPERATURE (°C)
Block Diagram
Gate Timing Chart
PMT
HV POWER SUPPLY
VOLTAGE DIVIDER
CIRCUIT
AMP
COMPARATOR
+
-
Vref
PULSE
SHAPER
OUTPUT
POSITIVE
LOGIC
TO
PULSE
COUNTER
RL
50 Ω
GND +5 V GATE INPUT
POWER INPUT
TPHOC0023EC
+3.5 V to +5 V at 1 kΩ
GATE SIGNAL
INPUT
0V
PMT
OPERATION
ON
OFF
100 µs to ∞
50 µs to ∞
DELAY TIME:
600 ns MAX.
DELAY TIME:
500 ns MAX.
MIN. GATE "OFF" TIME: 50 µs
TPHOC0044EB
Dimensional Outlines (Unit: mm)
38.0 ± 0.5
27.0 ± 0.5
EFFECTIVE AREA
(H8259, -01: 4 × 20)
(H8259-02 : 4 × 6)
50.0 ± 0.5
10.0 ± 0.5
SIGNAL OUTPUT
BNC-R
19.0 ± 0.5
8.0
+0.5
-0
4-M3 DEPTH: 10 R3
FRONT VIEW
C1
2 × 2-M3 DEPTH: 10
SIDE VIEW
REAR VIEW
POWER INPUT
HIROSE HR10A-7R-6P
1: GND
2: Vcc +5 V
3: IC*
4: IC*
5: GND
6: GATE
0 V: OPEN, 5 V: CLOSE
*Internal Connection (Do not use)
POWER CABLE WITH CONNECTOR (HIROSE HR10A-7P-6S) IS SUPPLIED WITH THE H8259 SERIES
700 ± 20
BLACK : GND
RED : LOW VOLTAGE INPUT (+5 V)
GREEN: GATE SIGNAL INPUT
(0 V or GND: OPEN, 5 V: CLOSE)
TPHOA0027EB
2.5
+1.0
-0
1.5
+0.5
-0
WINDOW
EFFECTVE
AREA
(H8259, -01: 4 × 20)
(H8259-02: 4 × 6)
8
WINDOW
PHOTOCATHODE
TOP VIEW
FRONT VIEW
TPMOC0167EA
45