n Fast acting precision thin film chip fuse for
overcurrent protection
n 3216 (EIA 1206) miniature footprint
n Surface mount packaging for automated
assembly
n UL listed (UL 248-14)
n RoHS compliant* and halogen free**
Electrical Characteristics
SF-1206FP Series - Fast Acting Precision Surface Mount Fuses
Model Rated Current
(Amps) Fusing Time Resistance
(mΩ) Typ.*** Rated Voltage Breaking Capacity Typical
I2t (A2s) ****
SF-1206FP050 0.50
Open within 5 sec.
at 200 % rated
current
527.5
DC 63 V DC 63 V
50 A
0.015
SF-1206FP080 0.80 211 0.040
SF-1206FP100 1.00 145.5 0.062
SF-1206FP125 1.25 90 0.094
SF-1206FP150 1.50 83 0.141
SF-1206FP200 2.00 57 0.285
SF-1206FP250 2.50 37
DC 32 V DC 32 V
50 A
0.445
SF-1206FP300 3.00 26 0.639
SF-1206FP400 4.00 18 1.109
SF-1206FP500 5.00 13 1.710
SF-1206FP700 7.00 9 3.300
SinglFuse™ SF-1206FP Series Features
*** Resistance value measured with less than 10 % of rated current. Tolerance ±25 %.
****Typical I2t value measured at 10x rated current.
Reliability Testing
No. Test Requirement Test Condition
1 Carrying Capacity No fusing Rated current, 4 hours
2Fusing Time Within 5 seconds 200 % of its rated current
3Interrupting Ability No mechanical damages After the fuse is interrupted, rated voltage applied
for 30 seconds again
4Bending Test No mechanical damages Distance between holding points: 90 mm,
Bending: 3 mm,1 time, 30 seconds
5 Resistance to Solder Heat ±20 % 260 °C ±5 °C,10 seconds ±1 second
6 Solderability 95 % coverage minimum 235 °C ±5 °C, 2 ±0.5 second
245 °C ±5 °C, 2 ±0.5 second (lead free)
7 Temperature Rise <75 ° C 100 % of its rated current, measure of surface
temperature
8 Resistance to Dry Heat ±20 % 105 °C ±5 °C,1000 hours
9 Resistance to Solvent No evident damage on protective coating
and marking 23 °C ±5 °C of isopropyl alcohol, 90 seconds
10 Residual Resistance 10k ohms or more Measure DC resistance after fusing
11 Thermal Shock DR < 10 % -20 °C / +25 °C /+125 °C /+25 °C, 10 cycles
Operating Temperature .......................................-20 °C to +105 °C
Storage Conditions
Temperature .....................................................+5 °C to +35 °C
Humidity................................................................40 % to 75 %
Shelf Life................................ 2 years from manufacturing date
Moisture Sensitivity Level ............................................................. 1
ESD Classication (HBM)...................................................Class 6
Environmental Characteristics
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU
June 8, 2011.
** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or
less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and
Chlorine (Cl) content is 1500 ppm or less.
“SinglFuse” is a trademark of Bourns, Inc.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth
on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
UL File Number ............................................................... E198545
Agency Recognition
n Portable memory
n LCD monitors
n Disk drives
n PDAs
n Digital cameras
n DVDs
n Cell phones
n Rechargeable battery packs
n Battery chargers
n Set top boxes
n Industrial controllers
SF-1206FP Series - Fast Acting Precision Surface Mount Fuses
Solder Reow Recommendations
Peak: 250 +0/-5 °C
230 °C or higher
PRE-HEATING ZONE
SOLDERING ZONE
HEATING TIME
180 °C
PEAK: 250 +0/-5 °C, 5 seconds
PRE-HEATING ZONE: 150 to 180 °C, 90 ± 30 seconds
SOLDERING ZONE: 230 °C or higher, 30 ± 10 seconds
250
200
150
TEMPERATURE (°C)
100
50
150 °C
90 ± 30 Seconds
30 ± 10 Seconds
Peak: 250 +0/-5 °C
230 °C or higher
PRE-HEATING ZONE
SOLDERING ZONE
HEATING TIME
180 °C
PEAK: 250 +0/-5 °C, 5 seconds
PRE-HEATING ZONE: 150 to 180 °C, 90 ± 30 seconds
SOLDERING ZONE: 230 °C or higher, 30 ± 10 seconds
250
200
150
TEMPERATURE (°C)
100
50
150 °C
90 ± 30 Seconds
30 ± 10 Seconds
Construction & Material Content
OVERCOAT
Sn PLATING
CERAMIC SUBSTRATE
FUSE ELEMENT Cu / Ni PLATING
SinglFuse™ SF-1206FP Series Applications
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Product Dimensions Recommended Pad Layout
DIMENSIONS: MM
(INCHES)
Thermal Derating Curve
120
110
100
90
80
-20 02040
AMBIENT TEMPERATURE (°C)
PERCENT OF RATING (%)
60 80 100 120
3.1 ± 0.1
(.122 ± .004)
0.5 ± 0.3
(.020 ± .012)
0.5 ± 0.3
(.020 ± .012)
1.65 ± 0.15
(.065 ± .006)
0.5 ± 0.2
(.020 ± .008)
0.5 ± 0.2
(.020 ± .008)
0.6 ± 0.1
(.024 ± .004)
1.55 ± 0.1
(.061 ± .004)
4.7 ± 0.3
(.185 ± .012)
2.2 ± 0.2
(.087 ± .008)
3.1 ± 0.1
(.122 ± .004)
0.5 ± 0.3
(.020 ± .012)
0.5 ± 0.3
(.020 ± .012)
1.65 ± 0.15
(.065 ± .006)
0.5 ± 0.2
(.020 ± .008)
0.5 ± 0.2
(.020 ± .008)
0.6 ± 0.1
(.024 ± .004)
1.55 ± 0.1
(.061 ± .004)
4.7 ± 0.3
(.185 ± .012)
2.2 ± 0.2
(.087 ± .008)
3.1 ± 0.1
(.122 ± .004)
0.5 ± 0.3
(.020 ± .012)
0.5 ± 0.3
(.020 ± .012)
1.65 ± 0.15
(.065 ± .006)
0.5 ± 0.2
(.020 ± .008)
0.5 ± 0.2
(.020 ± .008)
0.6 ± 0.1
(.024 ± .004)
1.55 ± 0.1
(.061 ± .004)
4.7 ± 0.3
(.185 ± .012)
2.2 ± 0.2
(.087 ± .008)
5,000 pieces per 7-inch reel
Packaging Quantity
SF-1206FP Series - Fast Acting Precision Surface Mount Fuses
REV. D 01/19
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
How to Order
SF - 1206 FP 050 - 2
SinglFuse™
Product Designator
SMD Footprint
3216 (EIA 1206) size
Fuse Blow Type
FP = Fast acting precision
Rated Current
050-700 (500 mA - 7.00 A)
Packaging Type
- 2 = Tape & Reel (5,000 pcs./reel)
Typical Part Marking
Represents total content. Layout may vary.
RATED CURRENT (A)
F = 0.50
K = 0.80
L = 1.00
M = 1.25
P = 1.50
S = 2.00
T = 2.50
3 = 3.00
W = 4.00
Y = 5.00
Z = 7.00
Average Time Current Curves Minimum I2T V Clear Time Curves
100
0.1
1
10
0.01
0.001
0.1 1
10
CURRENT (A)
100
CLEARING TIME (S)
1.50 A
1.25 A
1.00 A
0.80 A
0.50 A
2.00 A
2.50 A
3.00 A
4.00 A
5.00 A
7.00 A
100
10
1
0.1
0.01
0.001 0.01 0.1 1
CLEARING TIME (S)
JOULE INTEGRAL (A2 SEC)
5.00 A
4.00 A
3.00 A
2.50 A
2.00 A
1.50 A
1.25 A
1.00 A
0.80 A
0.50 A
7.00 A
100
0.1
1
10
0.01
0.001
0.1 1
10
CURRENT (A)
100
CLEARING TIME (S)
1.50 A
1.25 A
1.00 A
0.80 A
0.50 A
2.00 A
2.50 A
3.00 A
4.00 A
5.00 A
7.00 A
100
10
1
0.1
0.01
0.001 0.01 0.1 1
CLEARING TIME (S)
JOULE INTEGRAL (A2 SEC)
5.00 A
4.00 A
3.00 A
2.50 A
2.00 A
1.50 A
1.25 A
1.00 A
0.80 A
0.50 A
7.00 A
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SF-1206FPSeriesTapeandReelSpecications
SF-1206FP Series
Tape Dimensions per EIA 481-2
W 8.0 ± 0.2
(.315 ± .008)
P0
4.0 ± 0.1
(.157 ± .004)
P1
4.0 ± 0.1
(.157 ± .004)
P2
2.0 ± 0.05
(.079 ± .002)
A 2.0 ± 0.15
(.079 ± .006)
B 3.6 ± 0.2
(.142 ± .008)
F 3.5 ± 0.05
(.138 ± .002)
E 1.75 ± 0.1
(.069 ± .004)
D0
1.5 + 0.1/-0
(.059 + .004/-0)
T 0.84 ± 0.1
(.033 ± .004)
Reel Dimensions
A 178 ± 0.2
(7.087 ± .079)
B Min. 60.0 ± 1.0
(2.362 ± .039)
C 13.0 ± 1.0
(.512 ± .039)
W 9.0 ± 1.0
(.354 ± .039)
T 11.4 ± 2.0
(.449 ± .079)
POE
W
DIRECTION OF UNREELING
F
DO
A
W
T
C DIA.
B
DIA.
A
DIA.
B
T
TOP
TAPE
BOTTOM
TAPE
PAPER
TAPE
RESISTOR
TAPE P2
P1
DIMENSIONS: MM
(INCHES)
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the actual performance of the Bourns®/1.#4"3(-3'$(12/$"(="#$5("$2 -# //+(" 3(.-2 -#, *$3'$(1.6-(-#$/$-#$-3
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