Compact Head-on PMT
Photosensor Modules H7826 Series
The H7826 series photosensor modules consist of a 19-mm (3/4") diameter
head-on photomultiplier tube and a high-voltage power supply circuit. The
length of the photomultiplier tube used here is short compared to other photo-
multiplier tubes of the same diameter, making it compact even though it has a
large light input diameter of 15 mm. The H7826 also has excellent resistance
to vibration and shock compared to other photomultiplier tubes, making it
ideal for use in portable equipment.
Product Variations
Type No.
H7826
H7826P
H7826-01
H7826P-01
Spectral Response
300 nm to 650 nm
300 nm to 850 nm
Features
For general applications in visible range
For photon counting
For general applications in visible to near IR range
For photon counting
Specifications
Parameter
H7826
Input Voltage
Max. Input Voltage
Max. Input Current
Max. Output Signal Current
Max. Control Voltage
Recommended Control Voltage Adjustment Range
Effective Area
Sensitivity Adjustment Range
Peak Sensitivity Wavelength
Min.
Luminous Sensitivity
Typ.
Blue Sensitivity Index (CS 5-58)
Red/White Ratio
Radiant Sensitivity *
1
Min.
Luminous Sensitivity *
2
Typ.
Radiant Sensitivity *
1
*
2
Typ.
Dark Current *
2
*
3
Max.
Gain *
2
Min.
Typ.
Dark Count *
3
Max.
2
Rise Time *
Ripple Noise *
2
*
4
(peak to peak) Max.
Settling Time *
5
Operating Ambient Temperature
Storage Temperature
Weight
Cathode
Anode
420
60
90
10.5
—
85
10
50
4.7
×
10
4
3
20
—
—
—
H7826-01
H7826P
+11.5 to +15.5
+18
35
100
+1.2
(Input impedance 100 kΩ)
+0.5 to +1.1
15
1: 10
3
380
420
80
60
120
90
—
10.5
0.2
—
49
85
30
1.3
×
10
4
—
—
—
3
20
1.8
×
10
6
200
500
1.5
1
0.2
+5 to +45
-20 to +50
70
H7826P-01
380
80
120
—
0.2
49
Unit
V
V
mA
µA
V
V
mm
—
nm
µA/lm
—
—
mA/W
A/lm
A/W
nA
1
×
10
6
2000
3500
—
s
-1
ns
mV
s
°C
°C
g
*1: Measured at the peak sensitivity wavelength
*2: Control voltage = +1.0 V
*3: After 30 minute storage in darkness
*4: Cable RG-174/U, Cable length 450 mm, load resistance = 1 MΩ, load capacitance = 22 pF
*5: The time required for the output to reach a stable level following a change in the control voltage from +1.0 V to +0.5 V.
26
Current Output Type Photosensor Modules
Characteristics
(Cathode radiant sensitivity, Gain)
TPMOB0143EA
100
10
8
TPMOB0144EA
CATHODE RADIANT SENSITIVITY (mA/W)
H7826-01
10
7
10
10
6
H7826
GAIN
H7826
10
5
1
10
4
H7826-01
10
3
0.1
200
300
400
500
600
700
800
900
10
2
0.25 0.3
0.4
0.5
0.7
1.0 1.2
1.5
2.0
WAVELENGTH (nm)
CONTROL VOLTAGE (V)
Sensitivity Adjustment Method
Voltage Programming
POWER SUPPLY
SIGNAL OUTPUT
Resistance Programming
POWER SUPPLY
SIGNAL OUTPUT
PHOTOSENSOR MODULE
LOW VOLTAGE INPUT
GND
Vref OUTPUT
Vcontrol INPUT
PHOTOSENSOR MODULE
LOW VOLTAGE INPUT
GND
Vref OUTPUT
Vcontrol INPUT
+15 V
GND
+15 V
GND
+0.5 V to
+1.1 V
GND
• Adjust the control voltage to
adjust the sensitivity.
• Electrically insulate the
reference voltage output.
MONITOR
POTENTIOMETER (10 kΩ)
When using a potentiometer, adjust sensitivity
while monitoring the control voltage.
TPMOC0149EC
Dimensional Outlines
(Unit: mm)
26.0
+0.5
-0
13.0
±
0.5
EFFECTIVE AREA
15 Min.
0
+0.1
- 0.3
56.0
+0.5
-0
SIGNAL OUTPUT
BNC-R
19.0
±
0.5 18.0
±
0.5
POWER INPUT
HIROSE HR10A-7R-6P
1: GND
2: Vcc +15 V
3: Vcont +0.5 V to +1.1 V
4: Vref
5: NC
6: NC
50.0
+1.0
-0
14.0
±
0.5
18
4-M2
DEPTH: 5
10.0
±
0.5
FRONT VIEW
16.0
±
0.5
SIDE VIEW
25.0
±
0.5
18.6
±
0.7
2-M3 DEPTH: 5
REAR VIEW
Power cable with connector (HIROSE HR10A-7P-6S) is supplied with the H7826 series
BLACK:
RED:
WHITE:
BLUE:
GND
LOW VOLTAGE INPUT (+15 V)
Vcont INPUT (+0.5 V to +1.1 V)
Vref OUTPUT (+1.2 V)
700
±
20
TPMOA0005ED
27
