SinglFuse™ SF-0402S Series Features
■ Thin film chip fuse
■ Surface mount packaging for automated
assembly
■ Single blow fuse for overcurrent
protection
■ 1005 (EIA 0402) miniature footprint
■ Slow blow fuse
■ UL certified
■ RoHS compliant* and
halogen free
SF-0402S Series - Slow Blow Surface Mount Fuses
Electrical Characteristics
Rated Current
Resistance
(mΩ) Typ.*
Rated
Voltage
Breaking
Capacity
Typical
I2t (A2s)
Model
Fusing Time
(Amps)
0.50
0.80
1.00
1.25
1.50
1.60
2.00
2.50
3.00
3.15
4.00
SF-0402S050
SF-0402S080
SF-0402S100
SF-0402S125
SF-0402S150
SF-0402S160
SF-0402S200
SF-0402S250
SF-0402S300
SF-0402S315
SF-0402S400
235
86
64
45
35
32
24
19
15
0.00370
0.00947
0.01479
0.02310
0.02400
0.03734
0.04040
0.06760
0.09860
0.10868
0.11450
Open within 5
sec. at 250 %
rated current
DC 24 V
DC24 V 35 A
14
10.5
*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
How to Order
Represents total content. Layout may
vary.
SF - 0402 S 050 - 2
SinglFuse™
Product Designator
SMD Footprint
1005 ꢀEIA 0402) size
Asia-Pacific:
Tel: +886-2 2562-4117
Fax: +886-2 2562-4116
Europe:
Fuse Blow Type
F = Fast acting
S = Slow blow
RATING CURRENT (A)
F = 0.50
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
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
Rated Current
050-400 ꢀ500 mA - 4.00 A)
Packaging Type
- 2 = Tape & Reel ꢀ10,000 pcs./reel)
*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