SF-1206S Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – Slow Blow Surface Mount Fuses

*RoHS ^COMPLIANT
LEAD ^FREE
SinglFuse^™ SF-1206S Series Features
n Single blow fuse for overcurrent
protection
n Surface mount packaging for automated
assembly
n 3216 (EIA 1206) miniature footprint
nSlow blow fuse
n UL listed
n RoHS compliant* and halogen free**
nThin film chip fuse
SF-1206S Series - Slow Blow Surface Mount Fuses
Electrical Characteristics
Model
SF-1206S050
SF-1206S080
SF-1206S100
SF-1206S125
SF-1206S150
SF-1206S200
SF-1206S250
SF-1206S300
SF-1206S400
SF-1206S500
SF-1206S700
Rated Current
(Amps)
0.50
0.80
1.00
1.25
1.50
2.00
2.50
3.00
4.00
5.00
7.00
LVEREA^F_oRDHS^u_SFIOR^s_CNEO^{iSEMnAPRgLEIATNTi*me}
Open within 5 sec.
at 250 % rated
current
Resistance
(mΩ) Typ.***
596
165
132
90
79
41
33
23
15.5
13
7
Rated Voltage Breaking Capacity
DC 63 V
DC 63 V
50 A
DC 32 V
DC 32 V
50 A
***Resistance value was measured with less than 10 % of rated current. Resistance tolerance is ±25 %.
Typical
I²t (A²s)
0.030
0.068
0.098
0.155
0.236
0.339
0.605
0.933
1.537
2.533
5.684
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 ±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 °C.........................................................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.
RATING CURRENT (A)
F = 0.50 T = 2.50
K = 0.80 3 = 3.00
L = 1.00 W = 4.00
M = 1.25 Y = 5.00
P = 1.50 Z = 7.00
S = 2.00
How to Order
SinglFuse™ Product Designator
SMD Footprint
3216 (EIA 1206) size
Fuse Blow Type
F = Fast Acting FP = Fast Acting Precision
S = Slow Blow SP = Time Lag
Rated Current
050-700 (500 mA - 7.00 A)
Packaging Type
- 2 = Tape & Reel (5,000 pcs./reel)
SF - 1206 S 050 - 2
* 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.