protection

assembly

Electrical Characteristics

SF-0603S Series - Slow Blow Surface Mount Fuses

***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 5 seconds........................................250 % 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)

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

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

** Bourns is using the definition that appears to be the prevalent definition used as the industry standard at this time. The Bourns definition of “halogen-free” is:

Bromine (Br) content:

≤ 900 ppm; Chlorine (Cl) content: ≤ 900 ppm; Total Br + Cl content: ≤1500 ppm.

“SinglFuse” is a trademark of Bourns, Inc.

Specifications are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their specific applications.

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