Product Information
PI
TOSHIBA X-RAY TUBE D-205B / D-205BS Stationary Anode X-ray Tube
Especially designed for dental X-ray unit and portable X-ray unit.
These tubes have focus 2.0, and are available for a maximum tube voltage 125 kV or 100kV.
Installed in the same enclosure with the high voltage transformer.
General Data Electrical: Circuit: (1) High Voltage Generator ................................ One-Peak High-Voltage Generator (Self-rectified) Two-Peak High-Voltage Generator Constant Potential High-Voltage Generator Grounding .......................................................................................................... Center-grounded Nominal X-ray Tube Voltage: One-Peak High-Voltage Generator .................................................................................... 125 kV Two-Peak High-Voltage Generator .................................................................................... 125 kV Constant Potential High-Voltage Generator ....................................................................... 100 kV Nominal Focal Spot Value ............................................................................................................ 2.0 Nominal Anode Input Power (at 1.0s) ..................................................................... See rating charts One-Peak High-Voltage Generator ................................................................................... 2000 W Two-Peak High-Voltage Generator ................................................................................... 3000 W Constant Potential High-Voltage Generator ...................................................................... 3300 W Exposure Duty Cycle ..................................................................................................... 1:60 or more (Exposure time: interval time) Note (1)
Since the version of a product differs with circuits to use, please choose the product that was in the circuit to use. (Please use it in the circuit indicated by specifications)
Mechanical: Dimensions: Overall Length ......................................................................................... See dimensional outline Maximum Diameter ................................................................................. See dimensional outline Target: Anode Angle ............................................................................................................... 20 degrees Material .......................................................................................................................... Tungsten Inherent Filtration .................................................................................... At least 0.8 mm Al at 50 kV X-ray Coverage .................................................................................. 354 × 354 mm at SID 490 mm ★The information contained herein is presented only as a guide for the applications of our products. No Responsibility is assumed by TOSHIBA ELECTRON TUBES & DEVICES CO.,LTD.(TETD) 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 TETD or others. ★The information contained herein may be changed without prior notice. It is therefore advisable to contact TETD before proceeding with the design of equipment incorporating this product.
D-205B / D-205BS
Weight (approx.): D-205B .................................................................................................................... Approx. 430 g D-205BS ................................................................................................................. Approx. 580 g Cooling Method .............................................. Oil immersed (60℃ Max.) and convection oil cooling. Tube Holding: D-205B ............................................................ Holding the glass envelope of the anode end and cathode end or the screw of the anode shank D-205BS ........................................................................................ Holding the insulation cylinder
Absolute Maximum and Minimum Ratings (At any time, these values must not be exceeded.) Maximum X-ray Tube Voltage: One-Peak High-Voltage Generator .................................................................................... 125 kV Two-Peak High-Voltage Generator .................................................................................... 125 kV Constant Potential High-Voltage Generator ....................................................................... 100 kV Between Anode (or Cathode) and Ground: One-Peak High-Voltage Generator ...................................................................................... 63 kV Two-Peak High-Voltage Generator ...................................................................................... 63 kV Constant Potential High-Voltage Generator ......................................................................... 50 kV Minimum X-ray Tube Voltage ................................................................................................... 50 kV Maximum X-ray Tube Current ................................................................................. See rating charts One-Peak High-Voltage Generator ..................................................................................... 40 mA Two-Peak High-Voltage Generator ..................................................................................... 80 mA Constant Potential High-Voltage Generator ........................................................................ 70 mA Maximum Filament Current ........................................................................................................ 5.0 A Filament Voltage: At Maximum Filament Current ..................................................................................... 5.0 ~ 6.7 V Filament Frequency Limits ........................................................... DC or AC (Sine Wave) 0 ~ 20 kHz Thermal Characteristics: Anode Heat Content ............................................................................................................ 28 kJ Maximum Anode Heat Dissipation ...................................................................................... 265 W Maximum Radiographic Exposure Time ..................................................................................... 10 s
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
-2-
D-205B / D-205BS
Maximum Rating Charts (Absolute maximum rating charts) One-Peak High-Voltage Generator
Two-Peak High-Voltage Generator
Nominal Focal Spot Value: 2.0
Nominal Focal Spot Value: 2.0
70kV
40
60kV
60kV
80
80kV
70kV
50kV
90kV
80kV
110kV
TUBE CURRENT [mA]
30
125kV
20
10
0 0.1
0.2
0.3
0.5 0.7 1
2
3
5
7
90kV
60
40
20
100kV 110kV 125kV
0 0.1
10
0.2 0.3
EXPOSURE TIME [s]
0.5 0.7 1
Nominal Focal Spot Value: 2.0 70 50kV 60
60kV 70kV
50 80kV 40
90kV 100kV
30 20 10 0 0.1
0.2 0.3
2
3
EXPOSURE TIME [s]
Constant Potential High-Voltage Generator
TUBE CURRENT [mA]
TUBE CURRENT [mA]
100kV
0.5 0.7 1
2
EXPOSURE TIME [s]
-3-
3
5
7
10
5
7
10
D-205B / D-205BS
Emission & Filament Characteristics One-Peak High-Voltage Generator
Two-Peak High-Voltage Generator
40
Ef 10
4.0
6.0 125kV
40
5.0
Ef 20
4.0
0 3.5
3.0 5.0
4.5
60
4.0
4.5
Note: This graph indicates typical characteristics.
Note: This graph indicates typical characteristics.
70
10.0
60
9.0 50kV
50
8.0 7.0
100kV Ef
30
6.0
20
5.0
10
4.0
4.0
4.5
3.0 5.0
FILAMENT CURRENT [A]
Note: This graph indicates typical characteristics.
-4-
FILAMENT VOLTAGE [V]
Constant Potential High-Voltage Generator
0 3.5
3.0 5.0
FILAMENT CURRENT [A]
FILAMENT CURRENT [A]
40
FILAMENT VOLTAGE [V]
5.0
TUBE CURRENT [mA]
20
FILAMENT VOLTAGE [V]
6.0 125kV
TUBE CURRENT [mA]
TUBE CURRENT [mA]
30
4.0
7.0
60kV
60kV
0 3.5
80
7.0
D-205B / D-205BS
Anode Heating / Cooling Curve 28 280W
230W
HEAT STORAGE [kJ]
24 20
170W
16 12 COOLIMG 8 4 HEATING 0 0
1
2
3
4
TIME [min]
-5-
5
6
7
D-205B / D-205BS
Dimensional Outline of D-205B Unit: mm
φ１６
１２０±５
６５±１
５
Ｍ５ １０ＤＥＥＰ
φ５２ＭＡＸ
ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ
１２ＭＡＸ
ＦＯＣＡＬ ＳＰＯＴ
４） ０． ２ （φ
Ｃ２
Ｆ
Ｎ
ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ Ｆ
Ｃ１
ＳＨＯＲＴ ＰＩＮ
Ｆ ：ＦＩＬＡＭＥＮＴ Ｃ１，Ｃ２：ＣＡＴＨＯＤＥ Ｎ ：ＮＯＴ ＦＯＲ ＵＳＥ
-6-
D-205B / D-205BS
Dimensional Outline of D-205BS Unit: mm
φ６０±０．５ φ１６
１３０±３
６５±１
ＩＮＳＵＬＡＴＩＯＮ ＣＹＬＩＮＤＥＲ
６０
Ｍ５ １０ＤＥＥＰ
２ＭＡＸ
６５
φ２５
ＦＯＣＡＬ ＳＰＯＴ
ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ
） ．４ ０ ２ （φ
Ｃ２
Ｆ
Ｎ
ＣＥＮＴＲＡＬ Ｘ－ＲＡＹ Ｃ１
Ｆ
ＳＨＯＲＴ ＰＩＮ
Ｆ ：ＦＩＬＡＭＥＮＴ Ｃ１，Ｃ２：ＣＡＴＨＯＤＥ Ｎ ：ＮＯＴ ＦＯＲ ＵＳＥ
-7-
D-205B / D-205BS
OVERSEAS SUBSIDIARIES AND AFFILIATES
EU REPRESENTATIVE ・TOSHIBA ELECTRONICS EUROPE GMBH HANSAALLEE 181 40549 DÜSSELDORF, GERMANY PHONE +49 (211) 5296-107 FAX +49 (211) 5296-402
For Sales & Technical Services, please contact the following representative:
・TOSHIBA ELECTRONICS EUROPE GMBH HANSAALLEE 181 40549 DÜSSELDORF, GERMANY PHONE +49 (211) 5296-107 FAX +49 (211) 5296-402
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・TOSHIBA ELECTRON DEVICES & MATERIALS (SHANGHAI) CO., LTD. (TEMS) RM1606, SH-PLAZA, No.336, XIZANG ROAD (MIDDLE), SHANGHAI, 200001, CHINA PHONE +86 (21) 6361-0077 FAX +86 (21) 6351-5760
(Product Development Engineering Department) 1385 SHIMOISHIGAMI, OTAWARA-SHI, TOCHIGI-KEN, 324-8550, JAPAN PHONE: +81-287-26-6666 FAX: +81-287-26-6060 http://www.toshiba-tetd.co.jp/ ･Toshiba Electron Tubes & Devices Co., Ltd. meets the Environmental Management System Standard, ISO14001. ･Toshiba Electron Tubes & Devices Co., Ltd. meets internationally recognized Standards for Quality Management System ISO9001, ISO13485.
