Surface Mounted PTC Resettable Fuse 1.1A
  • Air ProSurface Mounted PTC Resettable Fuse 1.1A
  • Air ProSurface Mounted PTC Resettable Fuse 1.1A
  • Air ProSurface Mounted PTC Resettable Fuse 1.1A
  • Air ProSurface Mounted PTC Resettable Fuse 1.1A
  • Air ProSurface Mounted PTC Resettable Fuse 1.1A
  • Air ProSurface Mounted PTC Resettable Fuse 1.1A
  • Air ProSurface Mounted PTC Resettable Fuse 1.1A

Surface Mounted PTC Resettable Fuse 1.1A

2920 chip size, surface mount PTC resettable fuse with fast trip time and high hold currents. Maximum voltage 6 - 60V DC, operating (hold current) range 300mA - 7A, max current 40A, operating temperature -40ºC to 85ºC.The following is about Surface Mounted PTC Resettable Fuse 1.1A related, I hope to help you better understand Surface Mounted PTC Resettable Fuse 1.1A.

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Product Description

Surface Mounted PTC Resettable Fuse 1.1A

Reset PPTC 2920 Surface Mount Polymeric PTC Resettable Fuse7351 Metric1.1A 30V 60V


2920 chip size, surface mount PTC resettable fuse with fast trip time and high hold currents. Maximum voltage 6 - 60V DC, operating (hold current) range 300mA -7A, max current40A, operating temperature -40ºC to 85ºC.

Description Of Surface Mounted PTC Resettable Fuse 1.1A


The 2920 Surface Mount PTC Resettable Fuseprovides surface mount overcurrentprotection for medium voltage (≤60V) applications whereresettable protection is desired.

Features Of Surface Mounted PTC Resettable Fuse 1.1A


2920 Chip Size

Fast Trip Time

High Hold Currents
RoHS compliant, lead-freeand halogen-free

Fast response to faultcurrents

High voltage

Low-profile

Surface Mounted PTC Resettable Fuse 1.1A factorySurface Mounted PTC Resettable Fuse 1.1A factorySurface Mounted PTC Resettable Fuse 1.1A factory
Specifications Of Surface Mounted PTC Resettable Fuse 1.1A


AEC-QGrade

Operating Range: 300mA -7A

Maximum Voltage: 6 - 60 V DC

Max Current:40A

Operating Temperature: -40ºC to +85ºC


Model






Maximum

Resistance

Vmax

Imax

Ihold

Itrip

Pd

Time To Trip



@25°C

@25°C

Typ.

Current

Time

Rimin

R1max

(Vdc)

(A)

(A)

(A)

(W)

(A)

(Sec)

()

()

SMD2920R030SF

60

10

0.30

0.60

1.5

1.5

3.0

0.600

4.800

SMD2920R050SF

60

10

0.50

1.00

1.5

2.5

4.0

0.180

1.400

SMD2920R075SF

33

40

0.75

1.50

1.5

8.0

0.3

0.100

1.000

SMD2920R075SF60V

60

40

0.75

1.50

1.5

8.0

0.3

0.100

1.000

SMD2920R100SF

33

40

1.10

2.20

1.5

8.0

0.5

0.065

0.410

SMD2920R100SF60V

60

40

1.10

2.20

1.5

8.0

0.5

0.065

0.410

SMD2920R125SF

33

40

1.25

2.50

1.5

8.0

2.0

0.050

0.250

SMD2920R150SF

33

40

1.50

3.00

1.5

8.0

2.0

0.035

0.230

SMD2920R185SF

33

40

1.85

3.70

1.5

8.0

2.5

0.030

0.150

SMD2920R200SF

16

40

2.00

4.00

1.5

8.0

4.5

0.020

0.120

SMD2920R200SF24V

24

40

2.00

4.00

1.5

8.0

4.5

0.020

0.120

SMD2920R200SF33V

33

40

2.00

4.00

1.5

8.0

4.5

0.020

0.120

SMD2920R250SF

16

40

2.50

5.00

1.5

8.0

16.0

0.020

0.085

SMD2920R250SF24V

24

40

2.50

5.00

1.5

8.0

16.0

0.020

0.085

SMD2920R260SF

6

40

2.60

5.20

1.5

8.0

10.0

0.014

0.075

SMD2920R260SF16V

16

40

2.60

5.20

1.5

8.0

10.0

0.014

0.075

SMD2920R300SF

6

40

3.00

6.00

1.5

8.0

20.0

0.012

0.048

SMD2920R300SF16v

16

40

3.00

6.00

1.5

8.0

20.0

0.012

0.048

SMD2920R400SF

6

40

4.00

8.00

1.5

20.0

4.0

0.008

0.040

SMD2920R400SF16V

16

40

4.00

8.00

1.5

20.0

4.0

0.008

0.040

SMD2920R500SF

6

40

5.00

10.00

1.5

25.0

5.0

0.005

0.031

SMD2920R500SF12V

12

40

5.00

10.00

1.5

25.0

5.0

0.005

0.031

SMD2920R500SF16V

16

40

5.00

10.00

1.5

25.0

5.0

0.005

0.031

SMD2920R600SF

6

40

6.00

12.00

1.5

25.0

6.0

0.004

0.020

SMD2920R600SF12v

12

40

6.00

12.00

1.5

25.0

6.0

0.004

0.020

SMD2920R700SF

6

40

7.00

14.00

1.5

25.0

6.0

0.0025

0.010

SMD2920R700SF12v

12

40

7.00

14.00

1.5

25.0

6.0

0.0025

0.010


Thermal Derating Chart Of Surface Mounted PTC Resettable Fuse 1.1A


Recommended Hold Current(A) at Ambient Temperature(°C)


Model

Ambient Operation Temperature

-40°C

-20°C

0°C

25°C

40°C

50°C

60°C

70°C

85°C

SMD2920R030SF

0.45

0.40

0.35

0.30

0.25

0.23

0.20

0.17

0.14

SMD2920R050SF

0.76

0.67

0.59

0.50

0.42

0.38

0.33

0.29

0.23

SMD2920R075SF

1.13

1.01

0.88

0.75

0.62

0.56

0.50

0.44

0.34

SMD2920R100SF

1.66

1.47

1.29

1.10

0.91

0.83

0.73

0.64

0.50

SMD2920R125SF

1.89

1.68

1.46

1.25

1.04

0.94

0.83

0.73

0.56

SMD2920R150SF

2.27

2.01

1.76

1.50

1.25

1.13

1.00

0.87

0.74

SMD2920R185SF

2.80

2.47

2.17

1.85

1.54

1.39

1.22

1.07

0.85

SMD2920R200SF

3.02

2.68

2.34

2.00

1.66

1.50

1.32

1.16

0.90

SMD2920R250SF

3.78

3.35

2.93

2.50

2.08

1.88

1.65

1.45

1.13

SMD2920R260SF

3.64

3.25

2.91

2.60

2.26

2.08

1.95

1.74

1.13

SMD2920R300SF

4.53

4.02

3.51

3.00

2.52

2.26

1.99

1.75

1.34

SMD2920R400SF

6.04

5.36

4.68

4.00

3.36

3.01

2.65

2.33

1.79

SMD2920R500SF

7.55

6.70

5.85

5.00

4.20

3.77

3.32

2.92

2.23

SMD2920R600SF

8.60

7.70

6.80

6.00

4.95

4.60

4.06

3.65

3.15

SMD2920R700SF

10.03

8.98

7.93

7.00

5.77

5.36

4.73

4.26

3.68


Application Of Surface Mounted PTC Resettable Fuse 1.1A
IEEE 1394 port protection

Powered ethernet portprotection (IEEE802.3 af)

Automotive electroniccontrol module protection

Low voltage telecomequipment protection


Physical Dimensions Of Surface Mounted PTC Resettable Fuse 1.1A(mm.)


Surface Mounted PTC Resettable Fuse 1.1A factory



Model

A

B

C

D

E

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Min.

SMD2920R030SF

6.73

7.98

4.80

5.44

0.60

1.20

0.30

0.25

SMD2920R050SF

6.73

7.98

4.80

5.44

0.60

1.20

0.30

0.25

SMD2920R075SF

6.73

7.98

4.80

5.44

0.70

1.30

0.30

0.25

SMD2920R075SF60V

6.73

7.98

4.80

5.44

0.70

1.30

0.30

0.25

SMD2920R100SF

6.73

7.98

4.80

5.44

0.40

1.00

0.30

0.25

SMD2920R100SF60V

6.73

7.98

4.80

5.44

1.00

2.10

0.30

0.25

SMD2920R125SF

6.73

7.98

4.80

5.44

0.40

1.00

0.30

0.25

SMD2920R150SF

6.73

7.98

4.80

5.44

0.50

1.30

0.30

0.25

SMD2920R185SF

6.73

7.98

4.80

5.44

0.70

1.40

0.30

0.25

SMD2920R200SF

6.73

7.98

4.80

5.44

0.70

1.40

0.30

0.25

SMD2920R200SF24V

6.73

7.98

4.80

5.44

0.70

1.40

0.30

0.25

SMD2920R200SF33V

6.73

7.98

4.80

5.44

0.70

1.40

0.30

0.25

SMD2920R250SF

6.73

7.98

4.80

5.44

0.7

1.40

0.30

0.25

SMD2920R250SF24V

6.73

7.98

4.80

5.44

0.7

1.40

0.30

0.25

SMD2920R260SF

6.73

7.98

4.80

5.44

0.7

1.40

0.30

0.25

SMD2920R260SF16V

6.73

7.98

4.80

5.44

0.70

1.40

0.30

0.25

SMD2920R300SF

6.73

7.98

4.80

5.44

0.60

1.20

0.30

0.25

SMD2920R300SF16V

6.73

7.98

4.80

5.44

0.60

1.20

0.30

0.25

SMD2920R400SF

6.73

7.98

4.80

5.44

1.00

1.60

0.30

0.25

SMD2920R400SF16V

6.73

7.98

4.80

5.44

1.00

1.60

0.30

0.25

SMD2920R500SF

6.73

7.98

4.80

5.44

1.00

1.60

0.30

0.25

SMD2920R500SF12V

6.73

7.98

4.80

5.44

1.00

1.60

0.30

0.25

SMD2920R500SF16V

6.73

7.98

4.80

5.44

1.00

1.60

0.30

0.25

SMD2920R600SF

6.73

7.98

4.80

5.44

1.00

1.60

0.30

0.25

SMD2920R600SF12V

6.73

7.98

4.80

5.44

1.00

1.60

0.30

0.25

SMD2920R700SF

6.73

7.98

4.80

5.44

1.00

1.60

0.30

0.25

SMD2920R700SF12V

6.73

7.98

4.80

5.44

1.00

1.60

0.30

0.25


Termination Pad Characteristics

Terminal pad materials:Tin-plated Nickel-Copper

Terminal pad solder ability:Meets EIA specification RS186-9E and ANSI/J-STD-002 Category 3.


Recommended Pad Layout Of Surface Mounted PTC Resettable Fuse 1.1A(mm.)

5.1士0.1

2.3士0.1

2.3士0.1

5.6士0.1

Surface Mounted PTC Resettable Fuse 1.1A factory

Packaging Quantity Of Surface Mounted PTC Resettable Fuse 1.1A


Part Number

Quantity

SMD2920 Series

1500 pcs/reel


Tape & reel packaging per EIA481-1


How to use PTC thermistors as current protectionForThe2920 Surface Mount PTC Resettable Fuse
One of the properties of PTC thermistors isthat when an excessively large current flows, they generate heat by themselves and become highly resistive. With this property, they are used as overcurrent protection devices. This article describes applications for the following purposes. « For inrush current limiting » « For overcurrent protection » « For telecom »

Advantages of PTC thermistors
PTC thermistors are temperature-dependent resistors based on special semiconductor ceramics with a high positive temperature coefficient (PTC). They exhibit relatively low resistance values at room temperature. When a current flows through a PTC the heat generated raises the temperature of the PTC. Once a certain temperature (Curie temperature) is exceeded, the resistance of a PTC rises significantly. This effect can be used to protect circuits or devices against overcurrents. In this case, the overcurrent brings the PTC to a high temperature and the resulting high resistance then limits the overcurrent. When the cause for malfunction is eliminated the PTC will cooldown and act again as a resettable fuse. With this property, PC thermistors are used as overcurrent protection devices. The following exemplary applications describe how PTC thermistors can be used for overcurrent protection.


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