R7400U-03 datasheet(3/8 Pages) HAMAMATSU

Part #	R7400U-03

Description	METAL PACKAGE PHOTOMULTIPLIER TUBE

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Manufacturer	HAMAMATSU [Hamamatsu Corporation]

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Figure 5: Typical Gain Characteristics

Figure 7: Anode Dark Current (v.s. Temperature)

TPMHB0492EC

TPMHB0478EA

(V dc)

Dark Count (c)

(s-1)

Gain

For Photon Counting (P Type)

Type No.

Max.

R7400P

400

80

1

×106

7.5

×105

R7401P

Typ.

Min.

(A/lm)

Typ.

(A/lm)

Typ.

(A/W)

Typ.

Max.

(nA)

Typ.

(nA)

RiseTime

Typ.

(ns)

Anode Characteristics

Luminous

Anode Sensitivity

R7400U-09

R7400U

R7400U-03

2

0.5

R7400U-06

R7400U-01

5.4

0.78

R7400U-02

R7400U-20

R7400U-04

R7401

2

4

20

4

0.2

0.025

0.2

0.4

2

0.4

7

× 105

5

× 104

7

× 105

5

× 105

5

× 105

4.3

× 104

1100(a)

4.3

× 104

3.0

× 104

2.9

× 104

3.9

× 104

3.0

× 104

3.0

× 104

50

—

50

125

75

10

—

10

25

250

35

75

15

75

15

800

R7402

Type No.

Time Response

Anode Dark(b)

Current

Radiant

Figure 6: Anode Dark Current (v.s. Supply Voltage)

TPMHB0477EB

Anode to

Cathode

Supply

Voltage

Electron

Transit Time

Typ.

(ns)

(e): The output current averaged over 30 seconds should not exceed 0.1 mA.

SUPPLY VOLTAGE (V)

100

200

400

600

800 1000

101

106

104

105

103

102

107

R7400U-01/-02/-04/-20

SUPPLY VOLTAGE (V)

100

200

400

600

1000

800

0.001

0.01

0.1

1

10

R7400U-02/-20

R7400U-01/-04

R7400U/-03/-06

R7400U-09

0.01

100

0.01

0.1

1

10

R7400U/03/06

Supply Voltage: -800 V

R7400U-01/04

TEMPERATURE (

°C)

-10

10

30

50

-20

0

20

40

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