Dongguan Uchi Electronics Co, Ltd

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Rumah ProdukTermistor PTC

Over-load Protection 270 V PTC Thermistors / 2 Pins Posistor Thermistor

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Over-load Protection 270 V PTC Thermistors / 2 Pins Posistor Thermistor

Gambar besar :  Over-load Protection 270 V PTC Thermistors / 2 Pins Posistor Thermistor

Detail produk:

Place of Origin: Dongguan,Guangdong,China
Nama merek: UCHI
Sertifikasi: SGS,UL.VDE
Model Number: PTC MZ7

Syarat-syarat pembayaran & pengiriman:

Minimum Order Quantity: 5000PCS
Harga: Negotiable
Packaging Details: Bulk/foam
Delivery Time: 7 working days
Payment Terms: T/T,Paypal,Western Union,Money gram
Supply Ability: 600,000,000PCS Per Month
Detil Deskripsi produk

 

Over-load Protection 270 V PTC Thermistors / 2 Pins Posistor Thermistor

 

Quick Details

 

·Optional on 3 construction, resin coated leaded form, 2 pins, dual PTC 3 pins.

·Nominal resistance from 3 ohm to 36 ohm.

 

Outlook and Dimension (mm)

 

 

Descirption

 

PTC thermistor degauss the shadow mask of color picture tube by reducing the alternating current flowing through the degaussing coil within a short period of time. A large difference between inrush current and residual current is crucial for good degaussing. We can provide leaded and housed PTC thermsitor for degaussing purpose. Particularly, in a double PTC, a PTC connected to the coil, as compared to a single PTC, this configuration permits the residual current to reduce further.

PTC degaussing principle

By using dual PTC thermistor, residual current is significantly reduced.

 

 

Application

 

Degaussing of picture tube, such as color TV, monitor.

 

 

Specification

 

Degaussing PTC Thermistor resin coated leaded disk form data sheet

Nominal Resistance
R25
(Ω)

Rated. Voltage
(V)

Max. Voltage
(V)

Current Characteristics

Switch Temperature
(℃) 

Coil Resistance
(Ω)

Diameter
(mm)

Thickness
(mm)

Initial Current
(A)

After 3 seconds
(mA)

After 180 seconds
(mA)

5

110

140

≥35

≤300

≤60

60±10

3.5

20

7

7

110

140

≥28

≤300

≤60

3.5

8

110

140

≥22

≤300

≤60

5

9

110

140

≥21

≤300

≤60

5

12

110

140

≥17

≤300

≤60

5

7

220

270

≥22

≤300

≤45

20

9

220

270

≥20

≤300

≤45

20

12

220

270

≥22

≤300

≤45

15

14

220

270

≥20

≤300

≤45

15

18

220

270

≥19

≤300

≤45

12

27

220

270

≥15

≤300

≤30

10

11.5-13.0

7

PTC degausser encased 2 pins form data sheet

Nominal Resistance
R25
(Ω)

Rated. Voltage
(V)

Max. Voltage
(V)

Current Characteristics

Switch Temperature
(℃) 

Coil Resistance
(Ω)

Min. coil resistance
(mm)

Initial Current 
(A)

After 3 seconds 
(mA)

After 180 seconds 
(mA)

3

110

140

≥22

≤300

≤60

60±10

10

5

4.5

110

140

≥30

≤300

≤60

5

4

5

110

140

≥35

≤300

≤60

3.5

1

5

110

140

≥24

≤300

≤60

5

4

8

110

140

≥22

≤300

≤60

5

3.5

9

110

140

≥20

≤250

≤50

5

3

12

110

140

≥17

≤250

≤50

5

3

14

110

140

≥15

≤250

≤50

5

3

4.5

220

270

≥30

≤200

≤50

15

12

7

220

270

≥27

≤200

≤50

15

12

9

220

270

≥24

≤200

≤40

15

10

12

220

270

≥24

≤200

≤40

12

8

14

220

270

≥24

≤200

≤40

10

8

18

220

270

≥22

≤200

≤40

8

6

27

220

270

≥17

≤200

≤40

6

5

14

220

270

≥24

≤300

≤50

80±10

10

8

18

220

270

≥20

≤300

≤50

10

8

Degaussing PTC Thermistor  dual PTC 3 pins form data sheet

Nominal Resistance
R25
(Ω)

Resistance of Assistance PTC Heater 
(Ω)

Rated. Voltage
(V)

Max. Voltage
(V)

Current Characteristics

Switch Temperature
(℃) 

Coil Resistance
(Ω)

Initial Current
(A)

After 3 seconds
(mA)

After 180 seconds 
(mA)

3

100-1000

110

140

≥28

≤300

≤15

60±10

5.5

4.5

110

140

≥23

≤300

≤15

8

5

110

140

≥35

≤300

≤15

3.5

7

110

140

≥24

≤300

≤15

5

8

110

140

≥22

≤300

≤15

5

9

110

140

≥17

≤300

≤15

8

12

110

140

≥14

≤300

≤15

8

14

110

140

≥12

≤300

≤15

10

4.5

220

270

≥30

≤300

≤12

15

7

220

270

≥26

≤300

≤10

15

9

220

270

≥24

≤300

≤10

15

12

220

270

≥24

≤300

≤10

12

14

220

270

≥24

≤300

≤10

10

18

220

270

≥22

≤300

≤10

8

27

220

270

≥14.5

≤300

≤6

12

36

220

270

≥12.5

≤300

≤6

10

Degaussing PTC Thermistor Reliability data

Test

Standard

Test conditions

|ΔR25/R25|

Switching test at room temperature

IEC 60738-1

Vmax; Rs Room temperature Number of cycles: 10000

<20%

Life test at Vmax/Top

IEC 60738-1

Storage at Vmax/Top for T: 1000h

<20%

Rapid change of temperature in air

IEC600628-2-14, Test Na

T=TLCT, T=TUCT Number of cycles: 5 T:30min

<20%

Climate sequence

IEC 600628-2-27

Dry heat: T= TUCT, t:16h Damp heat first cycle Cold: T= TLCT t:2h Damp heat 5 cycles

 

Damp heat

IEC 600628-2-3

Temperature of air: 40oC Relative humidity of air: 93% Duration: 56 days

<10%

 

 

Competitive Advantage:

 

  1. Factory supply directly

  2. Completed certificates such as UL,VDE,SGS,etc and high quality available

  3.  Quick delivery

  4. Best after-sales services

  5. OEM & ODM available

 

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Dongguan Uchi Electronics Co.,Ltd.

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