030R0300U Littelfuse Inc, 030R0300U Datasheet

030R0300U

Manufacturer Part Number

030R0300U

Description

PTC Resettable Fuses 30V 3A 10.8s

Manufacturer

Littelfuse Inc

Type

Polyfuse Resettable PTCr

Series

30Rr

Datasheet

1.30R700UMR.pdf (7 pages)

Specifications of 030R0300U

Hold Current

3 Amps

Trip Current

6 Amps

Current Rating (max)

40 Amps

Resistance

0.08 Ohms

Maximum Voltage

30 VoltsDC

Termination Style

Radial

Mounting Style

Through Hole

Current Rating

40 Amps

Dimensions

19.2 mm L x 11.4 mm W x 3 mm H

Lead Spacing

5.1 mm

Operating Temperature Range

- 40 C to + 85 C

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current page: 1 of 7
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Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/30R.html for current information.

hold

trip

max

Agency Approvals

AGENCY

Electrical Characteristics

Part Number

= Power dissipated from device when in the tripped state at 23°C still air.

= Trip current: minimum current at which the device will trip in 23°C still air.

= Hold current: maximum current device will pass without tripping in 23°C still air.

= Maximum fault current device can withstand without damage at rated voltage (V

= Maximum voltage device can withstand without damage at rated current (I

30R090

30R250

30R300

30R400

30R500

30R600

30R700

30R800

30R900

30R135

30R160

30R185

30R110

30R Series

AGENCY FILE NUMBER

E183209

R50119318

3.00

4.00

5.00

6.00

8.00

9.00

0.90

1.35

1.60

1.85

2.50

1.10

7 .00

(A)

hold

10.00

12.00

14.00

16.00

18.00

2.20

2.70

3.20

3.70

5.00

6.00

8.00

1.80

(A)

trip

(Vdc)

max

Radial Leaded > 30R Series

POLYFUSE

(A)

max

Revised: October 24, 2008

max.

)

(W)

0.6

0.7

0.8

0.9

2.0

2.5

3.0

3.5

3.8

4.0

4.2

1.0

1.2

max

)

Resettable PTCs

Current

Caution: Operation beyond the speciﬁed rating may result in damage and possible arcing

and ﬂame.

15.00

20.00

25.00

30.00

35.00

40.00

Maximum Time

12.50

4.50

5.50

6.75

8.00

9.25

(A)

min

1max

Description

Features

Applications

provide overcurrent protection for low voltage (≤30V)

applications where space is not a concern and resettable

protection is preferred.

lead-free

and peripherals

= Minimum resistance of device in initial (un-soldered) state.

= Maximum resistance of device at 23°C measured one hour after tripping.

To Trip

(Sec.)

Time

10.30

10.80

12.70

14.50

16.00

18.80

20.00

17 .50

5.90

6.60

8.00

8.70

7 .30

0.070

0.050

0.040

0.030

0.020

0.005

0.010

(Ω)

Resistance

min

0.220

0.170

0.130

0.090

0.070

0.080

0.050

0.040

0.030

0.020

0.110

(Ω)

1max

epoxy polymer insulating

material meets UL 94V-0

requirements

Approvals

Agency

30R Series

Related parts for 030R0300U

030R0300U Summary of contents

Page 1

Series Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50119318 Electrical Characteristics Part Number hold trip max (A) (A) (Vdc) 30R090 0.90 1.80 30 30R110 1.10 2.20 30 30R135 1.35 2.70 30 30R160 1.60 3.20 30 30R185 ...

Page 2

POLYFUSE Temperature Rerating -40°C -20°C Part Number 30R090 1.31 1.17 30R110 1.60 1.43 30R135 1.96 1.76 30R160 2.32 2.08 30R185 2.68 2.41 30R250 3.63 3.25 30R300 4.35 3.90 30R400 5.80 5.20 30R500 7 .25 6.50 30R600 8.70 7 .80 30R700 ...

Page 3

Soldering Parameters - Wave Soldering Refer to the condition recommended by the ﬂux manufacturer. Pre-Heating Zone Max. ramping rate should not exceed 4°C/Sec. Max. solder temperature should not Soldering Zone exceed 260°C Cooling Zone Cooling by natural convection in air. ...

Page 4

POLYFUSE Dimensions Part Number Inches mm Inches Max. Max. Max. 30R090 0.29 7 .40 0.48 30R110 0.29 7 .40 0.56 30R135 0.35 8.90 0.53 30R160 0.35 8.90 0.60 30R185 0.40 10.20 0.62 30R250 ...

Page 5

Part Ordering Number System 30 R 250 PACKAGING STYLE BLANK: Bulk R: Tape & Ammo SERIES QUANTITY CODE: F=200 H=100 M=1000 P=2000 U=500 TYPE: U (30VDC) I CURRENT CODE (SEE TABLE BELOW) HOLD R: RADIAL VOLTAGE RATING ...

Page 6

POLYFUSE Tape and Ammo Speciﬁcations Devices taped using EIA468-B/IE286-2 standards. See table below and Figure 1 for details. Dimension Carrier tape width Hold down tape width: Top distance between tape edges Sprocket hole position Sprocket hole diameter* Abscissa to plane(straight ...

Page 7

Tape and Ammo Diagram Δh Δ ©2008 Littelfuse, Inc. ©2008 Littelfuse, Inc. Speciﬁcations are subject to change without notice. Please refer to www.littelfuse.com/series/30R.html for current information. POLYFUSE Resettable PTCs ...

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