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232266296

更新时间： 2022-12-12 19:08:46

品牌	Logo	应用领域
威世 - VISHAY		消磁
页数	文件大小	规格书
8页	192K
描述
PTC Thermistors For Degaussing, Dual, Mono And Double Mono Cased

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2322 662 96...

Vishay BCcomponents

PTC Thermistors For Degaussing,

Dual, Mono And Double Mono Cased

FEATURES

• Residual currents as low as 2 mA (p-p), ideal for

high-resolution displays

a. Dual or double mono

PTC degaussing.

• Long decay time

• Stable performance over a long time (>20000 operations)

• Self-extinguishing white plastic case (“UL 94.V.0”)

• Design-in support available.

MBB633

APPLICATIONS

• Colour televisions

• Colour monitors.

b. Mono PTC

degaussing.

DESCRIPTION

For good picture definition, colour televisions and monitors

must be degaussed by a strong alternating magnetic field

which gradually and symmetrically decays to a small value of

residual current. This can be achieved by connecting a PTC

thermistor in the degaussing circuit.

CCB442

The new generation of flat-screen, high-definition colour

televisions and monitors require an excellent picture quality

with high colour purity. This can only be achieved by a dual

PTC device housing two PTC thermistors in intimate thermal

contact, one being used to heat the other and so further

reduce the residual current.

QUICK REFERENCE DATA

PARAMETER

VALUE

UNIT

Resistance of degaussing PTC (R_s) at

25 °C

3 to 30

Ω

Standard tolerance on resistance of

degaussing PTC (R_s) at 25 °C

20 and 25

3000

Ω

Resistance of heater PTC (R_p) at 25 °C

Standard tolerance on resistance of

heater PTC (R_p) at 25 °C

Maximum AC voltage (RMS value)

145 to 276

10 to 30

0 to 60

Minimum inrush current (peak-to-peak

value)

Temperature range (at maximum voltage)

°C

Available pitch:

4e/1e

10.16 to 2.54 mm

10.16 to 5.08 mm

4e/2e

Standard pin length

Detailed speciﬁcations based on

4.2

CECC 44000/

IEC 60738

www.vishay.com

184

For technical questions contact: nlr.europe@vishay.com

Document Number: 29077

Revision: 10-Oct-03

12 3 4 5 6 7 8

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