Product Information

PIX-RAY TUBE
DF-151
DF-151R
DF-151S DF-151SR
DF-151SB DF-151SBR
Stationary Anode X-ray Tube


Especially designed for mobile type surgical
X-ray TV apparatus.

Provided with an insulation cylinder (DF-151S /DF-151SR) and lead cylinder. (DF-151SB /DF-151SBR).

These tubes have focus 1.5 and 0.5 foci and areavailable for maximum tube voltage 110 kV.

Installed in the same enclosure with the highvoltage transformer.

General Data
Electrical:
Circuit:High Voltage Generator ............................................ Constant Potential High-Voltage Generator
Grounding ......................................................................................................... Center-Grounded
Nominal X-ray Tube Voltage ................................................................................................... 110 kV
Nominal Focal Spot Value:
Large Focus ............................................................................................................................. 1.5
Small Focus ............................................................................................................................. 0.5
Nominal Anode Input Power (at 1.0s):
Large Focus ...................................................................................................................... 3200 W
Small Focus ........................................................................................................................ 680 W
Nominal Radiographic Anode Input Power:
Large Focus ........................................................................................................................ 3300 W
Small Focus .......................................................................................................................... 705 W
Exposure Duty Cycle:
Large Focus ........................................................................................................................... 1:40
Small Focus ........................................................................................................................... 1:20
(Exposure Time : interval time).
★The information contained herein is presented only as a guide for the application of our products. No responsibility is assumed by Canon Electron Tubes& Devices Co., Ltd. (CETD) for any infringements of patents or other rights of the third parties which may result from its use.
No license is granted by implication or otherwise under any patent or patent rights of CETD or others.
★The information contained herein may be changed without prior notice. It is therefore, advisable to contact to CETD before processing with the design ofequipment incorporating this product.

DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Mechanical:
Dimensions:Overall Length ......................................................................................... See dimensional outline
Maximum Diameter ................................................................................. See dimensional outline
Target:Anode Angle ............................................................................................................... 16 degrees
Material .......................................................................................................................... Tungsten
Inherent Filtration .................................................................................... At least 0.8 mm Al at 75 kV
X-ray Coverage .................................................................................. 430 × 430 mm at SID 909 mm
Weight:DF-151 ................................................................................................................... Approx. 430 g
DF-151R ................................................................................................................ Approx. 550 g
DF-151S ................................................................................................................. Approx. 550 g
DF-151SB .............................................................................................................. Approx.1100 g
DF-151SR .............................................................................................................. Approx. 680 gDF-151SBR ............................................................................................................ Approx.1250 g
Cooling Method .............................................. Oil immersed (60℃ Max.) and convection oil cooling.
Tube Holding:
DF-151 / DF-151R ..................... Holding the glass envelope of the anode end and cathode end,or the screw of the anode shank.
DF-151S / DF-151SR .................................................................... Holding the insulation cylinder.
DF-151SB / DF-151SBR ............................... Holding the insulation cylinder or the lead cylinder.

-2-

DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Absolute Maximum and Minimum Ratings(At any time, these values must not be exceeded.)Maximum X-ray Tube Voltage ................................................................................................ 110 kV
Between Anode (or Cathode) and Ground ................................................................................ 55 kV
Minimum X-ray Tube Voltage ................................................................................................... 40 kV
Maximum X-ray Tube Current:
Large Focus ........................................................................................................................ 60 mA
Small Focus ........................................................................................................................ 15 mA
Maximum Filament Current:
Large Focus .......................................................................................................................... 4.3 A
Small Focus .......................................................................................................................... 3.1 A
Filament Voltage (At Maximum Filament Current):
Large Focus ................................................................................................................. 5.0 ~ 6.4 V
Small Focus ................................................................................................................. 3.5 ~ 4.9 V
Filament Frequency Limits ........................................................... DC or AC (Sine Wave) 0 ~ 20 kHz
Thermal Characteristics:
Anode Heat Content:
DF-151 / DF-151S / DF-151SB ....................................................................................... 28 kJ
DF-151R / DF-151SR / DF-151SBR ............................................................................ 35.5 kJ
Maximum Anode Heat Dissipation Rate:
DF-151/DF-151S / DF-151SB ........................................................................................ 265 W
DF-151R / DF-151SR / DF-151SBR .............................................................................. 600 W
Maximum Radiographic Exposure Time ········································································ 10 s
Maximum Fluoroscopic Duration:
DF-151R / DF-151SR / DF-151SBR .............................................................. 600 W - 20 minutes-3-DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Environmental Limits
Operating Limits (in dielectric oil):
Oil Temperature ............................................................................................................ 10 ~ 60℃
Oil Pressure ............................................................................................................. 70 ~ 140 kPa
Shipping and Storage Limits:
Temperature ................................................................................................................ -40 ~ 70℃Humidity ........................................................................................................................ 10 ~ 90 %(No condensation)
Atmospheric Pressure .............................................................................................. 50 ~ 106 kPa-4-DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Maximum Rating Charts(Absolute maximum rating charts)
Constant Potential High-Voltage Generator
Nominal Focal Spot Value: 1.550kV

6040kV60kV

TUBE CURRENT [mA]

5070kV80kV4090kV
100kV
110kV

30201000.10.20.30.5 0.71235710710EXPOSURE TIME [s]Nominal Focal Spot Value: 0.540kV

15TUBE CURRENT [mA]

50kV

60kV
70kV

1080kV
90kV
100kV
110kV
500.10.20.30.5 0.7

1235

EXPOSURE TIME [s]Note) Regarding R type (DF-151R/ DF-151SR/DF-151SBR), the maximum rating is referred tofluoroscopic power (600W) whenever the maximum rating is less than the fluoroscopic power.

-5-DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Emission & Filament Characteristics
Constant Potential High-Voltage Generator
Nominal Focal Spot Value: 1.560

6.540kV

680kV

405.5110kV

30

5Ef20

4.5

1040

FILAMENT VOLTAGE [V]

TUBE CURRENT [mA]

50

3.5
3.4

3.6

3.844.2

FILAMENT CURRENT [A]This graph indicates typical characteristics.

Nominal Focal Spot Value: 0.515580kV

10Ef4110kV

5302
2.4

2.5

2.6

2.7

2.8

2.9

3

FILAMENT CURRENT [A]This graph indicates typical characteristics.

-6-3.1

FILAMENT VOLTAGE [V]

TUBE CURRENT [mA]

40kV

DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Anode Heating / Cooling Curve
DF-151 / DF-151S / DF-151SB
28265W

HEAT STORAGE [kJ]

2520150W
1510COOLING
5HEATING
003691215TIME [min]DF-151R / DF-151SR / DF-151SBR
40COOLING

HEAT STORAGE [kJ]

35600W

3025300W

201510100W

5HEATING
0060120180240300

360

TIME [s]-7-420

480

540

600

DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Dimensional Outline of DF-151
Unit: mm

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

φ１６１３９±５°
１６６５±０．５５Ｍ５ １０ＤＥＥＰ

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹφ５２ｍａｘ．

１６ｍａｘ．

ＦＯＣＡＬ ＳＰＯＴ

ＬＫ．
１７（φ３）Ｃ

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ
ＳＨＯＲＴ ＰＩＮ
ＮＳ-8-

Ｌ：ＬＡＲＧＥ ＦＯＣＵＳ
Ｓ：ＳＭＡＬＬ ＦＯＣＵＳ
Ｃ：ＣＯＭＭＯＮ
Ｋ：ＣＡＴＨＯＤＥ
Ｎ：ＮＯＴ ＦＯＲ ＵＳＥ

DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Dimensional Outline of DF-151R
Unit: mm

４φ－

４１．

±０．

０５ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

８２φ±．
０１φ４０

Ｍ５ １０ＤＥＥＰ

８６±０．５２６２１７ＲＡＤＩＡＴＯＲ

１６１６０±５°ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

φ５２ｍａｘ．

１６ｍａｘ．

ＦＯＣＡＬ ＳＰＯＴ

ＬＫ）
．３１７（φＣ

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ
ＳＨＯＲＴ ＰＩＮ
ＮＳ-9-

Ｌ：ＬＡＲＧＥ ＦＯＣＵＳ
Ｓ：ＳＭＡＬＬ ＦＯＣＵＳ
Ｃ：ＣＯＭＭＯＮ
Ｋ：ＣＡＴＨＯＤＥ
Ｎ：ＮＯＴ ＦＯＲ ＵＳＥ

DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Dimensional Outline of DF-151S
Unit: mm

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

φ１６
Ｍ５ １０ＤＥＥＰ

１４５±３

６５±０．５

°
１６

φ２２６０

ＩＮＳＵＬＡＴＩＯＮ ＣＹＬＩＮＤＥＲＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

１０ｍａｘ．

８０

ＦＯＣＡＬ ＳＰＯＴ

φ６０Ｌ

Ｋ

１７（φ）
．３

Ｃ

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

ＳＨＯＲＴ ＰＩＮ
ＮＳ

- 10 -

Ｌ：ＬＡＲＧＥ ＦＯＣＵＳ
Ｓ：ＳＭＡＬＬ ＦＯＣＵＳ
Ｃ：ＣＯＭＭＯＮ
Ｋ：ＣＡＴＨＯＤＥ
Ｎ：ＮＯＴ ＦＯＲ ＵＳＥ

DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Dimensional Outline of DF-151SR４－

φ４．

１±０．

０５Unit: mm

φ２８±０．

１

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

φ４０Ｍ５ １０ＤＥＥＰ

φ２２１６６±３°
１６６０８６±０．５

ＩＮＳＵＬＡＴＩＯＮ ＣＹＬＩＮＤＥＲ

２６２１７ＲＡＤＩＡＴＯＲ

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

１０ｍａｘ．

８０

ＦＯＣＡＬ ＳＰＯＴ

φ６０Ｌ）
．３１７（φＫＣ

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

ＳＨＯＲＴ ＰＩＮＮＳ

- 11 -

Ｌ：ＬＡＲＧＥ ＦＯＣＵＳ
Ｓ：ＳＭＡＬＬ ＦＯＣＵＳ
Ｃ：ＣＯＭＭＯＮ
Ｋ：ＣＡＴＨＯＤＥ
Ｎ：ＮＯＴ ＦＯＲ ＵＳＥ

DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Dimensional Outline of DF-151SB
Unit: mm

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹφ１６Ｍ５ １０ＤＥＥＰ

６５±０．５ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

７０

ＦＯＣＡＬ ＳＰＯＴ

ＬＥＡＤ ＣＹＬＩＮＤＥＲ

φ６０１０ｍａｘ．

８０

１４５±３°

φ２５φ２２５０１６６０

ＩＮＳＵＬＡＴＩＯＮ ＣＹＬＩＮＤＥＲ

φ６４ＬＫ

１（φ７．

３）

Ｃ

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

ＳＨＯＲＴ ＰＩＮＮＳ- 12 -

Ｌ：ＬＡＲＧＥ ＦＯＣＵＳ
Ｓ：ＳＭＡＬＬ ＦＯＣＵＳ
Ｃ：ＣＯＭＭＯＮ
Ｋ：ＣＡＴＨＯＤＥ
Ｎ：ＮＯＴ ＦＯＲ ＵＳＥ

DF-151 / DF-151R / DF-151S / DF-151SR / DF-151SB / DF-151SBR

Dimensional Outline of DF-151SBR
Unit: mm１．
４φ－４±０．

５０

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

２φ８±．
０１φ４０

Ｍ５ １０ＤＥＥＰ

２１７０

ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

ＦＯＣＡＬ ＳＰＯＴ

ＬＥＡＤ ＣＹＬＩＮＤＥＲ

φ６０１０ｍａｘ．

８０

１６６±３

φ２５

φ２２５０°
１６６０

８６±０．５

ＩＮＳＵＬＡＴＩＯＮ ＣＹＬＩＮＤＥＲ

２６７ＲＡＤＩＡＴＯＲ

φ６４Ｌ）．３１７φ（ＫＣＣＥＮＴＲＡＬ Ｘ－ＲＡＹ

ＳＨＯＲＴ ＰＩＮＮＳ

- 13 -

Ｌ：ＬＡＲＧＥ ＦＯＣＵＳ
Ｓ：ＳＭＡＬＬ ＦＯＣＵＳ
Ｃ：ＣＯＭＭＯＮ
Ｋ：ＣＡＴＨＯＤＥ
Ｎ：ＮＯＴ ＦＯＲ ＵＳＥMarketing Engineering Group, Sales Department
1385, Shimoishigami, Otawara-shi, Tochigi 324-8550, Japan
Tel: +81-287-26-6666
Fax: +81-287-26-6060
https://etd.canon･The head office of Canon Electron Tubes & Devices Co., Ltd. has been certified to meet all the requirements of Environmental Management System ISO14001.
･Canon Electron Tubes & Devices Co., Ltd. has been certified to meet all the requirements of Quality Management Systems ISO9001 and ISO13485.
Product scope is referred to the following URL. https://etd.canon/eng/company/quality.htm.

PE-DF151Series 2018-11