Datasheet > WF125300WJ76238BJ1

WF125300WJ76238BJ1

更新时间： 2024-01-21 10:19:50

品牌	Logo	应用领域
威世 - VISHAY		电容器
页数	文件大小	规格书
11页	136K
描述
Ceramic Capacitor, Ceramic, 14000V, N750, 750ppm/Cel TC, 0.0076uF

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WF125300WJ76238BJ1 技术参数

是否Rohs认证：	不符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	unknown
ECCN代码：	EAR99	Factory Lead Time：	16 weeks
风险等级：	5.78	电容：	0.0076 µF
电容器类型：	CERAMIC CAPACITOR	直径：	148 mm
介电材料：	CERAMIC	长度：	303 mm
负容差：	20%	端子数量：	2
最高工作温度：	100 °C	最低工作温度：	-55 °C
封装形式：	Chassis Mount	正容差：	20%
额定（直流）电压（URdc）：	14000 V	温度特性代码：	N750
温度系数：	750ppm/Cel ppm/ °C	Base Number Matches：	1

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TWX, TWXF

Vishay Draloric

www.vishay.com

Watercooled RF Power Pot Capacitors

External Cooling System

FEATURES

• High voltage, current, and power ratings

• Compact design reduces terminal self inductance and

permit operation up to higher frequencies

• These pot capacitors feature increased density through

watercooling and rugged mechanical construction for a

maximum reliability

APPLICATIONS

Watercooled RF power pot capacitors are designed for use

in the tank cicuit of high power RF equipment such as

induction heating and welding equipment, dielectric heating

or a variety of specialized RF applications.

QUICK REFERENCE DATA

DESCRIPTION

Ceramic Class

Ceramic Dielectric

Type

VALUE

R7, R16, R42, R85

TWXF

TWX

Voltage (V_p)

12 000 14 000 16 000 20 000 25 000 10 000 12 000 14 000 16 000 18 000 20 000 22 500 25 000

Min. Capacitance (pF)

Max. Capacitance (pF) 5000

Mounting

5000

100

5000

4000

3000

2500 10 000 5000

2500 10 000 5000 10 000 10 000 10 000 7600

Screw terminal

100

4000

7600

3000

7500

2500

5000

PRODUCT DESCRIPTION

CERAMIC DIELECTRICS

• R7 (TCC + 100 ppm/K)

• R16 (TCC + 100 ppm/K)

• R42 (TCC - 250 ppm/K)

• R85 (TCC - 750 ppm/K)

TWX and TWXF pot-styled capacitors dissipate the heat

produced under load by means of water flow around the

capacitor elements. In order to provide protection from

influences of the chemical/physical characteristics of the

coolant, a glass passivation layer is applied over the cooled

noble metal electrode. The ceramic capacitor element is

housed in a rugged silver-plated copper case.

RATED VOLTAGE

• 10 kV_p

The electrical terminations are made directly to the noble

metal electrodes utilizing special soldering techniques. This

method of attachment provides a strong, rigid connection of

unsurpassed reliability. The TWX model is made with

a contoured, glazed insulation rim designed for use in

a relative clean, dry environment. The TWXF types feature

an umbrella shaped coating rim made from silicone elstomer

to minimize the adverse effects of moisture, dust and other

impurities in the working environment, and to improve the

characteristics of the electrical field.

• 12 kV_p

• 14 kV_p

• 16 kV_p

• 18 kV_p

• 20 kV_p

• 22.5 kV_p

• 25 kV_p

DIELECTRIC STRENGTH TEST

200 ꢀ of rated AC voltage, 50 Hz

MARKING

Type designator, capacitance value and tolerance, rated RF

voltage, ceramic material code, production date code,

manufacturer logo, serial number.

RF POWER TEST

125 ꢀ to 140 ꢀ of rated power, for 10 minutes in a test

generator circuit

ACCESSORIES ADDED

DISSIPATION FACTOR

All watercooled pot capacitors are supplied with

the necessary screws/nuts and contact plates to make the

connection to the electrode terminals. Ferrules and sleeve

nuts for the water supply connections are also included.

R16:

Max. 0.04 ꢀ

Max. 0.05 ꢀ

R7, R42, R85:

Measuring frequencies:

1 MHz (< 1 nF)% 300 kHz or 100 kHz (> 1 nF)

CAPACITANCE RANGE

100 pF to 10 nF

INSULATION RESISTANCE

Min. 10 000 M (at 25 °C)

CAPACITANCE TOLERANCE

20 ꢀ% 10 ꢀ

OPERATING TEMPERATURE RANGE

Details of water cooling find under “Guidelines”, next pages

Revision: 29-Jan-13

Document Number: 22131

For technical questions, contact: powcap@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

12 3 4 5 6 7...11

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