Datasheet

■ Single blow fuse for overcurrent
protection
■ 1608 (EIA 0603) miniature footprint
■ Slow blow fuse
■ UL listed
■ RoHS compliant* and halogen free**
■ Thin fi lm chip fuse
■ Surface mount packaging for automated
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
(mΩ) Typ.***
Rated Voltage Breaking Capacity
Typical
I
2
t (A
2
s)
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
SinglFuse
™
SF-0603S Series Features
*RoHS COMPLIANT
* RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
** Bourns is using the defi nition that appears to be the prevalent defi nition used as the industry standard at this time. The Bourns defi nition 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.
Specifi cations 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 specifi c applications.
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