n Fast acting precision thin film chip fuse for
overcurrent protection
n 1005 (EIA 0402) miniature footprint
n Surface mount packaging for automated
assembly
n UL listed (UL 248-14)
n RoHS compliant* and halogen free**
Electrical Characteristics
SF-0402FP Series - Fast Acting Precision Surface Mount Fuses
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**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.
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.
Model Rated Current
(Amps) Fusing Time
Resistance
Tolerance ±25 %
(mΩ)***
Rated
Voltage
Breaking
Capacity
Typical
I2t (A2s)****
SF-0402FP050 0.50
Open within 5 sec.
at 200 % rated
current
380
DC 32 V DC32 V 35 A
0.00317
SF-0402FP080 0.80 120 0.00532
SF-0402FP100 1.00 95 0.00724
SF-0402FP125 1.25 67 0.01344
SF-0402FP150 1.50 51 0.01356
SF-0402FP160 1.60 46 0.01672
SF-0402FP200 2.00 33 0.01983
SF-0402FP250 2.50 22.5 0.03763
SF-0402FP300 3.00 20 0.05427
SF-0402FP315 3.15 19 0.06304
SF-0402FP400 4.00 16 0.0896
Reliability Testing
SinglFuse™ SF-0402FP Series Features
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
*** Resistance value measured with less than 10 % of rated current.
****Typical I2t value measured at 10x rated current.
Parameter Requirement Test Method
Carrying Capacity ..................................... No fusing ....................................................Rated current, 4 hours
Fusing Time .............................................. Within 5 seconds ........................................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 ° 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 ohms or more ......................................Measure DC resistance after fusing
Thermal Shock ......................................... DR < 10 % ..................................................-20 °C / +25 °C /+125 °C /+25 °C, 10 cycles
UL File Number .........................................E198545
http://www.ul.com/FollowlinktoOnlineCerticatesDirectory,thenenterULFileNo.E198545,
or click here
Asia-Pacic:
Tel: +886-2 2562-4117
Email: asiacus@bourns.com
Europe:
Tel: +36 88 520 390
Email: eurocus@bourns.com
The Americas:
Tel: +1-951 781-5500
Email: americus@bourns.com
www.bourns.com
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Classication(HBM).............................................................................................. Class 6
Environmental Characteristics
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
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.
SF-0402FP Series - Fast Acting Precision Surface Mount Fuses
Solder Reow 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
Product Dimensions Recommended Pad Layout
1.0 ± 0.1
(.039 ± .004)
0.2 ± 0.1
(.008 ± .004)
0.558
(.022)
0.2 ± 0.1
(.008 ± .004)
0.25 ± 0.1
(.010 ± .004)
0.25 ± 0.1
(.010 ± .004)
0.35 ± 0.05
(.014 ± .002)
0.52 ± 0.05
(.020 ± .002)
1.50
(.059)
0.55
(.022)
1.0 ± 0.1
(.039 ± .004)
0.2 ± 0.1
(.008 ± .004)
0.558
(.022)
0.2 ± 0.1
(.008 ± .004)
0.25 ± 0.1
(.010 ± .004)
0.25 ± 0.1
(.010 ± .004)
0.35 ± 0.05
(.014 ± .002)
0.52 ± 0.05
(.020 ± .002)
1.50
(.059)
0.55
(.022)
DIMENSIONS: MM
(INCHES)
Thermal Derating Curve
120
110
100
90
80
-20 02040
AMBIENT TEMPERATURE (°C)
PERCENT OF RATING (%)
60 80 100 120
Construction & Material Content
OVERCOAT
Sn PLATING
CERAMIC SUBSTRATE
FUSE ELEMENT Cu / Ni PLATING
1.0 ± 0.1
(.039 ± .004)
0.2 ± 0.1
(.008 ± .004)
0.558
(.022)
0.2 ± 0.1
(.008 ± .004)
0.25 ± 0.1
(.010 ± .004)
0.25 ± 0.1
(.010 ± .004)
0.35 ± 0.05
(.014 ± .002)
0.52 ± 0.05
(.020 ± .002)
1.50
(.059)
0.55
(.022)
PACKAGING: 10,000 pcs./reel
SinglFuse™ SF-0402FP Series Applications
REV. B 10/17
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.
SF-0402FP Series - Fast Acting Precision Surface Mount Fuses
Average Time Current Curves Minimum I2T V Clear Time Curves
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
N = 1.60
S = 2.00
T = 2.50
3 = 3.00
U = 3.15
W = 4.00
How to Order
SF - 0402 FP 050 - 2
SinglFuse™
Product Designator
SMD Footprint
1005 (EIA 0402) size
Fuse Blow Type
FP = Fast acting precision
Rated Current
050-400 (500 mA - 4.00 A)
Packaging Type
- 2 = Tape & Reel (10,000 pcs./reel)
1.50 A
1.60 A
1.25 A
1.00 A
0.80 A
0.50 A
2.00 A
2.50 A
3.00 A
3.15 A
4.00 A
100
0.1
1
10
0.01
0.001
0.001 0.01
0.1
1
CLEARING TIME (S)
JOULE INTEGRAL (A2 SEC)
100
0.1
1
10
0.01.
.0.001
0.1 1
10
CURRENT (A)
100
CLEARING TIME (S)
4.00 A
3.15 A
3.00 A
2.50 A
2.00 A
1.00 A
1.25 A
1.50 A
1.60 A
0.80 A
0.50 A
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.
SF-0402FP Series Tape and Reel Specifications
SF-0402FP Series
Tape Dimensions per EIA 481-2
W 8.0 ± 0.2
(.315 ± .008)
P0
4.0 ± 0.1
(.157 ± .004)
P1
2.0 ± 0.1
(.079 ± .004)
P2
2.0 ± 0.05
(.079 ± .002)
A 0.7 ± 0.05
(.028 ± .002)
B 1.2 ± 0.05
(.047 ± .002)
F 3.5 ± 0.05
(.138 ± .002)
E 1.75 ± 0.1
(.069 ± .004)
D0
1.5 ± 0.1
(.059 ± .004)
T 0.45 ± 0.01
(.018 ± .004)
Reel Dimensions
A 178 ± 2.0
(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)