■

Single blow fuse for overcurrent

protection

■

1608 (EIA 0603) miniature footprint

■

Slow blow fuse

■

UL certified

■

RoHS compliant* and

halogen free

■

Thin film chip fuse

■

Surface mount packaging for automated

assembly

Electrical Characteristics

SF-0603S Series - Slow Blow Surface Mount Fuses

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

“SinglFuse” is a trademark of Bourns, Inc.

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications

*Resistance value was measured with less than 10 % of rated current.

Reliability Testing

Parameter

Requirement

Test Method

Carrying Capacity..................................... No fusing....................................................Rated current, 4 hours

Fusing Time .............................................. Within 1 minute ..........................................200 % of its rated current

Interrupting Ability .................................... No mechanical damages ...........................After the fuse is interrupted, rated voltage applied for

30 seconds again

Bending Test............................................. No mechanical damages ...........................Distance between holding points: 90 mm,

Bending: 3 mm,1time, 30 seconds

Resistance to Solder Heat........................ ±20 % ........................................................260 °C ±5 °C,10 seconds ±1 second

Solderability.............................................. 95 % coverage minimum...........................235 °C ±5 °C, 2 ±0.5 second

245 °C ±5 °C, 2 ±0.5 second (lead free)

Temperature Rise ..................................... <75 ° ..........................................................100 % of its rated current, measure of surface

temperature

Resistance to Dry Heat............................. ±20 % ........................................................105 °C ±5 °C,1000 hours

Resistance to Solvent............................... No evident damage on protective .............23 °C ±5 °C of isopropyl alcohol, 90 seconds coating

and marking

Residual Resistance ................................. 10k W or more ...........................................Measure DC resistance after fusing

Thermal Shock ......................................... DR < 10 % .................................................-20 °C / +25 °C /+125 °C /+25 °C, 10 cycles

Typical Part Marking

Represents total content. Layout may

vary.

How to Order

SF - 0603 S 050 - 2

SinglFuse™

Product Designator

SMD Footprint

1608 (EIA 0603) size

Fuse Blow Type

F = Fast acting

S = Slow blow

Rated Current

050-500 (500 mA - 5.00 A)

Packaging Type

- 2 = Tape & Reel (5,000 pcs./reel)

Asia-Pacific:

Tel: +886-2 2562-4117

Fax: +886-2 2562-4116

Europe:

Tel: +41-41 768 5555

Fax: +41-41 768 5510

The Americas:

Tel: +1-951 781-5500

Fax: +1-951 781-5700

www.bourns.com

RATING CURRENT (A)

F = 0.50

I = 0.63

K = 0.80

L = 1.00

M = 1.25

P = 1.50

N = 1.60

S = 2.00

T = 2.50

3 = 3.00

U = 3.15

W = 4.00

Y = 5.00

Model

Rated Current

(Amps)

Fusing Time

Resistance

(m

Ω) Typ.*

Rated Voltage

Breaking Capacity

Typical

SF-0603S050

0.50

Open within 5 sec.

at 250 % rated

current

175

DC 50 V

DC 50 V

50 A

0.009

SF-0603S063

0.63

130

DC 32 V

DC 32 V

50 A

0.017

SF-0603S080

0.80

93

0.024

SF-0603S100

1.00

65

0.026

SF-0603S125

1.25

47

0.057

SF-0603S150

1.50

36

0.081

SF-0603S160

1.60

34

0.086

SF-0603S200

2.00

26

0.115

SF-0603S250

2.50

20

0.200

SF-0603S300

3.00

16

0.210

SF-0603S315

3.15

15

0.279

SF-0603S400

4.00

12

0.326

SF-0603S500

5.00

9

0.622