Fast Trip 2018 Surface Mounted PTC Resettable Fuse
  • Air ProFast Trip 2018 Surface Mounted PTC Resettable Fuse
  • Air ProFast Trip 2018 Surface Mounted PTC Resettable Fuse
  • Air ProFast Trip 2018 Surface Mounted PTC Resettable Fuse
  • Air ProFast Trip 2018 Surface Mounted PTC Resettable Fuse
  • Air ProFast Trip 2018 Surface Mounted PTC Resettable Fuse
  • Air ProFast Trip 2018 Surface Mounted PTC Resettable Fuse

Fast Trip 2018 Surface Mounted PTC Resettable Fuse

The SMD2018 series provides surface mount resettable overcurrent protection with holding current from 0.3A to 2.0A. This series is suitable for applications with higher holding currant and higher working voltage up to 60V.The following is about Fast Trip 2018 Surface Mounted PTC Resettable Fuse related, I hope to help you better understand Fast Trip 2018 Surface Mounted PTC Resettable Fuse.

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Product Description

Fast Trip 2018 Surface Mounted PTC Resettable Fuse

Low Resistance Fast Trip 2018 Surface Mounted PTC Resettable Fuse 5050 Metric 1.5A 15V 


The SMD 2018 series provides surface mount resettable overcurrent protection with holding current from 0.3A to 2.0A. This series is suitable for applications with higher holding currant and higher working voltage up to 60V

Features Of Fast Trip 2018 Surface Mounted PTC Resettable Fuse


Very low profile

Very fast tripping time

High voltage

RoHS compliantand halogen free

2018 footprint
Fast Trip 2018 Surface Mounted PTC Resettable Fuse factoryFast Trip 2018 Surface Mounted PTC Resettable Fuse factoryFast Trip 2018 Surface Mounted PTC Resettable Fuse factory
Performance Specification Of Fast Trip 2018 Surface Mounted PTC Resettable Fuse


Model






Maximum

Resistance

Vmax

Imax

Ihold

Itrip

Pd

Time To Trip



@25°C

@25°C

Typ.

Current

Time

R imin

R1max

(V dc)

(A)

(A)

(A)

(W)

(A)

(Sec)

()

()

SMD2018R030SF

60

10

0.30

0.60

0.9

1.5

3.00

0.500

2.300

SMD2018R050SF

60

10

0.55

1.20

1.0

2.5

3.00

0.200

1.000

SMD2018R075SF

60

10

0.75

1.50

1.1

8.0

0.30

0.110

0.630

SMD2018R100SF

15

35

1.10

2.20

1.1

8.0

0.40

0.060

0.360

SMD2018R100SF33V

33

35

1.10

2.20

1.1

8.0

0.40

0.060

0.360

SMD2018R150SF

15

35

1.50

3.00

1.1

8.0

0.80

0.050

0.170

SMD2018R200SF

10

35

2.00

4.00

1.1

8.0

2.40

0.030

0.100


Applications Of Fast Trip 2018 Surface Mounted PTC Resettable Fuse


Power Over Ethernet (IEEE 802.3 af) portprotection

Automotive electronic control moduleprotection

Telecom equipment low voltageprotection

Physical Dimensions Of Fast Trip 2018 Surface Mounted PTC Resettable Fuse(mm.)


Fast Trip 2018 Surface Mounted PTC Resettable Fuse factory


Model

A

B

C

D

E

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Min.

SMD2018R030SF

4.72

5.44

4.22

4.93

0.50

1.20

0.30

0.25

SMD2018R050SF

4.72

5.44

4.22

4.93

0.50

1.20

0.30

0.25

SMD2018R075SF

4.72

5.44

4.22

4.93

0.50

1.20

0.30

0.25

SMD2018R100SF

4.72

5.44

4.22

4.93

0.50

1.20

0.30

0.25

SMD2018R100SF33V

4.72

5.44

4.22

4.93

0.50

1.20

0.30

0.25

SMD2018R150SF

4.72

5.44

4.22

4.93

0.50

1.20

0.30

0.25

SMD2018R200SF

4.72

5.44

4.22

4.93

0.50

1.20

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 The 2018 Surface Mount PTC Resettable Fuse(mm.)

Fast Trip 2018 Surface Mounted PTC Resettable Fuse factory

Packaging Quantity Of Fast Trip 2018 Surface Mounted PTC Resettable Fuse 

Part Number

Quantity

SMD2018R030.050SF

1500 pcs/reel

The others

2500 pcs/reel


Tape & reel packaging per EIA481-1


Tape And Reel Specifications Of Fast Trip 2018 Surface Mounted PTC Resettable Fuse(mm)


Governing Specifications

EIA 481-1

W


12.0±0.2

P0


4.0±0.10

P1


8.0±0.10

P2


2.0±0.05

A0


4.40±0.10

B0


5.50±0.10

B1max.


8.20

D0


1.50+ 0.1, -0

F


5.5±0.05

E1


1.75±0.10

E2min.


10.25

T


0.6

T1max.


0.1

K0


1.36±0.1

Leader min.


390

Trailer min.


160

Reel Dimensions


A max.


178

N min.


50

W1


12.4±0.5

W2


18.4±0.5


 

 

Storage And Handling

‧Storage conditions:0℃~30℃,30%~60% R.H.

‧Devices may not meet specified performance

  if storage conditions are exceeded.


Fast Trip 2018 Surface Mounted PTC Resettable Fuse factory


Test Procedures And Requirements For Fast Trip 2018 Surface Mounted PTC Resettable Fuse


Test

Test Conditions

Accept/Reject Criteria

Visual/Mech

Verify dimensions and materials

PerAolittelphysical description

Resistance

In still air @ 23°C

Rmin≤R≤R1max

Time to Trip

At specified current, Vmax, 23°C

T≤max. time to trip (seconds)

Hold Current

30 min. at Ihold

No trip

Trip Cycle Life

Vmax, Imax,100 cycles

No arcing or burning

Trip Endurance

Vmax, 48 hours

No arcing or burning

Solderability

ANSI/J-STD-002

95 % min. coverage


Using a PTC as a Fuse for Circuit Protection
Fusesare commonly used for circuit protectionbecausethey’re cheap, readily available and easy to install - but once they blow they’re done. Why replace blown fuses when you can use a PTC, instead?

Fast Trip 2018 Surface Mounted PTC Resettable Fuse factory

‘PTC’is short for Positive Temperature Coefficient Thermistor, a device whose resistance to electrical current increases as it heats up, such as when it’s subjected to harmful surge currents in your circuit. This increase in resistance is very high, effectively blocking excessive current through the circuit until it cools back down and its resistance decreases again. This ability to‘reset’allows a PTC thermistor to protect your circuit multiple times, unlike a one-and-done fuse. In devices like laptops, portable devices, and PC peripherals, PTCs are a great way to offer repeatable protection from unusual surge currents. If you’re more concerned with ensuring that whatever has caused your fault condition is completely stopped however, such as with expensive industrial equipment or delicate calibration gear that cannot tolerate repeated shocks, then you should generally stick with fuses. 


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