Metric 0603 Surface Mounted PTC Resettable Fuse
  • Air ProMetric 0603 Surface Mounted PTC Resettable Fuse
  • Air ProMetric 0603 Surface Mounted PTC Resettable Fuse
  • Air ProMetric 0603 Surface Mounted PTC Resettable Fuse
  • Air ProMetric 0603 Surface Mounted PTC Resettable Fuse
  • Air ProMetric 0603 Surface Mounted PTC Resettable Fuse
  • Air ProMetric 0603 Surface Mounted PTC Resettable Fuse

Metric 0603 Surface Mounted PTC Resettable Fuse

The 0603 Surface Mount PTC Resettable Fuse is 0603 chip sized, surface mount PTC resettable fuse with fast trip time and low DCR resistance. Maximum voltage 6 - 60V DC, operating (hold current) range 10mA - 1A, max current 35A, operating temperature -40ºC to 85ºC.The following is about Metric 0603 Surface Mounted PTC Resettable Fuse related, I hope to help you better understand Metric 0603 Surface Mounted PTC Resettable Fuse.

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Product Description

Metric 0603 Surface Mounted PTC Resettable Fuse


1608 Metric SMT PPTC 0603 Surface Mount PTC Resettable Fuse 9V 0.2A



Benefits Of Metric 0603 Surface Mounted PTC Resettable Fusev

The 0603 Surface Mount PTC Resettable Fuse provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired.


Features Of Metric 0603 Surface Mounted PTC Resettable Fuse


• RoHS compliant, lead-free and halogen free

• Compact design saves board space

• Low DCR resistance

• 0603 Chip Size• Fast Trip Time

• Low-profile

• Compatible with high temperature solders

Metric 0603 Surface Mounted PTC Resettable Fuse factoryMetric 0603 Surface Mounted PTC Resettable Fuse factoryMetric 0603 Surface Mounted PTC Resettable Fuse factory

Application Of Metric 0603 Surface Mounted PTC Resettable Fuse


• USB peripherals

• Disk drives

• CD-ROMs

• Plug and play protection for motherboards and peripherals

• PDAs / digital cameras

• Game console port protection


Performance Specification Of Metric 0603 Surface Mounted PTC Resettable Fuse


Model

Marking






Maximum

Resistance

V max

Imax

I hold

I trip

Pd

Time To Trip



@25°C

@25°C

Typ.

Current

Time

R i min

R1max

(V dc)

(A)

(A)

(A)

(W)

(A)

(Sec)

(W)

(W)

SMD0603R001SF

X

60

20

0.01

0.03

0.5

0.2

1.00

15.000

100.000

SMD0603R002SF

Y

60

20

0.02

0.06

0.5

0.2

1.00

12.000

70.000

SMD0603R002SF9v

Y

9

20

0.02

0.06

0.5

0.2

1.00

12.000

70.000

SMD0603R003SF

Z

30

20

0.03

0.09

0.5

0.2

1.00

6.000

50.000

SMD0603R003SF9v

Z

9

20

0.03

0.09

0.5

0.2

1.00

6.000

50.000

SMD0603R004SF

-

24.0

20

0.04

0.12

0.5

0.20

1.00

4.000

40.000

SMD0603R005SF

-

15.0

20

0.05

0.15

0.5

0.25

1.00

3.800

30.000

SMD0603R005SF9v

-

9.0

20

0.05

0.15

0.5

0.25

1.00

3.800

30.000

SMD0603R010SF

1

15.0

35

0.10

0.30

0.5

0.5

1.00

0.900

6.000

SMD0603R010SF9v

1

9.0

35

0.10

0.30

0.5

0.5

1.00

0.900

6.000

SMD0603R020SF

2

9.0

35

0.20

0.50

0.5

1.0

0.60

0.550

3.500

SMD0603R020SF16v

2

16.0

35

0.20

0.50

0.5

1.0

0.60

0.550

3.500

SMD0603R025SF

2

9.0

35

0.25

0.55

0.5

8.0

0.08

0.500

3.000

SMD0603R025SF16v

2

16.0

35

0.25

0.55

0.5

8.0

0.08

0.500

3.000

SMD0603R035SF

3

6.0

35

0.35

0.75

0.5

8.0

0.10

0.200

1.000

SMD0603R040SF

5

6.0

35

0.40

0.80

0.5

8.0

0.10

0.150

0.900

SMD0603R050SF

5

6.0

35

0.50

1.00

0.5

8.0

0.10

0.100

0.800

SMD0603R050SF12v

5

12.0

35

0.50

1.00

0.5

8.0

0.10

0.100

0.800

SMD0603R060SF

7

6.0

35

0.60

1.20

0.5

8.0

0.10

0.080

0.600

SMD0603R065SF

7

6.0

35

0.65

1.30

0.5

8.0

0.10

0.070

0.550

SMD0603R075SF

7

6.0

35

0.75

1.40

0.5

8.0

0.10

0.060

0.450

SMD0603R100SF

0

6.0

35

1.00

2.00

0.5

8.0

0.10

0.050

0.300


V max  = Maximum operating voltage device can withstand without damage at rated current (Imax).

I max   = Maximum fault current device can withstand without damage at rated voltage (V max).

I hold   = Hold Current. Maximum current device will not trip in 25°C still air.

I trip    = Trip Current. Minimum current at which the device will always trip in 25°C still air.

Pd      = Power dissipation when device is in the tripped state in 25°C still air environment at rated voltage.

Ri min/max  = Minimum/Maximum device resistance prior to tripping at 25°C.

R1max  = Maximum device resistance is measured one hour post reflow.

CAUTION : Operation beyond the specified ratings may result in damage and possible arcing and flame.


Physical Dimensions Of Metric 0603 Surface Mounted PTC Resettable Fuse(mm.)



P/N

A

B

C

D

E

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Min.

SMD0603R001SF

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R002SF9v

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R002SF

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R003SF9v

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R003SF

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R004SF

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R005SF9v

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R005SF

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R010SF9v

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R010SF

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R020SF

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R020SF16v

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R025SF

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R025SF16v

1.45

1.85

0.65

1.05

0.40

1.00

0.15

0.10

SMD0603R035SF

1.45

1.85

0.65

1.05

0.35

0.90

0.15

0.10

SMD0603R040SF

1.45

1.85

0.65

1.05

0.40

0.90

0.15

0.10

SMD0603R050SF

1.45

1.85

0.65

1.05

0.55

1.15

0.15

0.10

SMD0603R050SF12v

1.45

1.85

0.65

1.05

0.55

1.15

0.15

0.10

SMD0603R060SF

1.45

1.85

0.65

1.05

0.55

1.15

0.15

0.10

SMD0603R065SF

1.45

1.85

0.65

1.05

0.55

1.15

0.15

0.10

SMD0603R075SF

1.45

1.85

0.65

1.05

0.55

1.15

0.15

0.10

SMD0603R100SF

1.45

1.85

0.65

1.05

0.55

1.15

0.15

0.10


Environmental Specifications Of Metric 0603 Surface Mounted PTC Resettable Fuse


Test

Conditions

Resistance change

Passive aging

+85°C, 1000 hrs.

±5% typical

Humidity aging

+85°C, 85% R.H. , 168 hours

±5% typical

Thermal shock

+85°C to -40°C, 20 times

±33% typical

Resistance to solvent

MIL-STD-202,Method 215

No change

Vibration

MIL-STD-202,Method 201

No change

Ambient operating conditions : - 40 °C to +85 °C

Maximum surface temperature of the device in the tripped state is 125 °C

 

Thermal Derating Chart Of Metric 0603 Surface Mounted PTC Resettable Fuse


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

SMD0603R001SF

0.016

0.014

0.012

0.010

0.008

0.007

0.006

0.005

0.0035

SMD0603R002SF

0.031

0.027

0.024

0.020

0.016

0.014

0.012

0.011

0.007

SMD0603R003SF

0.047

0.041

0.036

0.030

0.024

0.021

0.018

0.016

0.0108

SMD0603R004SF

0.052

0.048

0.044

0.040

0.032

0.028

0.024

0.020

0.012

SMD0603R005SF

0.065

0.060

0.055

0.050

0.040

0.035

0.031

0.025

0.015

SMD0603R010SF

0.13

0.12

0.11

0.10

0.08

0.07

0.06

0.05

0.03

SMD0603R020SF

0.27

0.25

0.23

0.20

0.17

0.14

0.12

0.10

0.07

SMD0603R025SF

0.32

0.29

0.27

0.25

0.21

0.18

0.16

0.14

0.10

SMD0603R035SF

0.47

0.41

0.38

0.35

0.29

0.26

0.24

0.20

0.14

SMD0603R040SF

0.54

0.47

0.43

0.40

0.33

0.29

0.27

0.22

0.16

SMD0603R050SF

0.67

0.59

0.54

0.50

0.41

0.37

0.34

0.29

0.20

SMD0603R060SF

0.81

0.70

0.651

0.60

0.49

0.44

0.41

0.34

0.24

SMD0603R065SF

0.87

0.76

0.71

0.65

0.54

0.48

0.44

0.37

0.26

SMD0603R075SF

0.98

0.85

0.81

0.75

0.60

0.54

0.44

0.40

0.31

SMD0603R100SF

1.19

1.13

1.08

1.00

0.80

0.72

0.59

0.54

0.43


Thermal Derating Curve Of Metric 0603 Surface Mounted PTC Resettable Fuse


Metric 0603 Surface Mounted PTC Resettable Fuse factory

Recommended Pad Layout Of The 0603 Surface Mount PTC Resettable Fuse  (mm.) 

Metric 0603 Surface Mounted PTC Resettable Fuse factory

Packaging Quantity Of Metric 0603 Surface Mounted PTC Resettable Fuse


Part Number

Quantity

SMD0603 HF Series

4,000 pcs/reel

Tape & reel packaging per EIA481-1


Selection Process Of Metric 0603 Surface Mounted PTC Resettable Fuse


1. Determine the following circuit operating parameters:
• Normal operating current – IHOLD
• Maximum circuit voltage – VMAX
• Maximum interrupt current – IMAX
• Ambient operating temperature
2. Select the suitable form factor.
3. Compare the PTC data sheet ratings on littelfuse.com for VMAX and IMAX to ensure that the circuit parameters do not exceed these ratings.
4. Verify that the ambient operating temperature within close proximity to the device is within its normal operating range. Thermally derate IHOLD and IMAX as necessary. See equation below. I HOLD = IMAX / Thermal derating factor
5. Check that the trip time protects the circuit.
6. Verify that the post trip resistance (R1MAX) of the device is taken into account in the circuit design.
7. Independently test and evaluate the suitability and performance of the PTC in the actual application. 

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