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SinglFuse ? SF-1206S Series Features
■ Single blow fuse for overcurrent
protection
■ Surface mount packaging for automated
assembly
■
■
■
■
■
3216 (EIA 1206) miniature footprint
Slow blow fuse
UL listed
RoHS compliant* and halogen free**
Thin ?lm chip fuse
SF-1206S Series - Slow Blow Surface Mount Fuses
Electrical Characteristics
Model
Rated Current
(Amps)
Fusing Time
Resistance
(mΩ) Typ.***
Rated Voltage
Breaking Capacity
Typical
I 2 t (A 2 s)
SF-1206S050
SF-1206S080
0.50
0.80
385
165
0.030
0.068
SF-1206S100
SF-1206S125
SF-1206S150
SF-1206S200
1.00
1.25
1.50
2.00
Open within 5 sec.
at 250 % rated
108
76
51
32
DC 63 V
DC 63 V
50 A
0.098
0.155
0.236
0.339
SF-1206S250
SF-1206S300
2.50
3.00
current
26
20
DC 32 V
DC 32 V
50 A
0.605
0.933
SF-1206S400
4.00
14
1.537
SF-1206S500
SF-1206S700
5.00
7.00
10
6.5
DC 24 V
DC 24 V
50 A
2.533
5.684
***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 - 1206 S 050 - 2
SinglFuse?
Product Designator
SMD Footprint
3216 (EIA 1206) size
Asia-Paci?c:
Tel: +886-2 2562-4117
Fax: +886-2 2562-4116
Europe:
RATING CURRENT (A)
F = 0.50 T = 2.50
K = 0.80 3 = 3.00
L = 1.00 W = 4.00
Fuse Blow Type
F = Fast acting
S = Slow blow
Rated Current
Tel: +41-41 768 5555
Fax: +41-41 768 5510
The Americas:
M = 1.25
P = 1.50
S = 2.00
Y = 5.00
Z = 7.00
050-700 (500 mA - 7.00 A)
Packaging Type
- 2 = Tape & Reel (5,000 pcs./reel)
Tel: +1-951 781-5500
Fax: +1-951 781-5700
www.bourns.com
* RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
** Bourns is using the de?nition that appears to be the prevalent de?nition used as the industry standard at this time. The Bourns de?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.
Speci?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 speci?c applications.
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