n Single blow fuse for overcurrent protection
n 1005 (EIA 0402) miniature footprint
n Fast-acting precision fuse
n UL 248-14 listed
n RoHS compliant* and halogen free**
n Thin film chip design
n Surface mount packaging for automated assembly
Electrical Characteristics
SF-0402FPxxxF Series - Fast Acting Precision Surface Mount Fuses
Model Rated Current
(Amps) Fusing Time Resistance
(Ω) Typ.***
Rated
Voltage
Interrupting
Rating
Typical
I2t (A2s) ****
SF-0402FP020F 0.20 Open within 5 sec. at
300 % rated current
0.60
DC 35 V DC 35 V
35 A
0.0017
SF-0402FP025F 0.25 0.33 0.0035
SF-0402FP0375F 0.375
Open within 5 sec. at
200 % rated current
0.24 0.0036
SF-0402FP050F 0.50 0.16 0.0060
SF-0402FP075F 0.75 0.10 0.0120
SF-0402FP100F 1.00 0.073 0.024
SF-0402FP125F 1.25 0.054 0.045
SF-0402FP150F 1.50 0.040 0.081
SF-0402FP175F 1.75 0.034 0.092
SF-0402FP200F 2.00 0.031 0.120
SF-0402FP250F 2.50 0.018 0.220
SF-0402FP300F 3.00 0.015 0.270
SF-0402FP350F 3.50 0.012 0.340
SF-0402FP400F 4.00 0.011 0.360
SF-0402FP500F 5.00 0.009 0.550
Reliability Testing
SinglFuse SF-0402FPxxxF Series Features
*** Resistancevaluemeasuredwith≤10%ratedcurrentat25°Cambient.Tolerance±25%.
**** Melting I2tcalculatedat0.001secondpre-arcingtime.
No. Test Requirement Test Condition Test Reference
1 Bending ≤1A:DCRchange≤±10%
>1A:DCRchange≤±20% 2 mm RefertoSTPdoc-
ument
2Solderability Minimum95%coverage Onedipat255°Cfor5seconds MIL-STD-202
Method208
3Thermalshock DCRchange≤±10%
Nomechanicaldamage 100cyclesbetween-55°Cand+125°C MIL-STD-202
Method107
4Moistureresistance DCRchange≤±10%
Noexcessivecorrosion 10cycles MIL-STD-202
Method106
5Saltspray DCRchange≤±10%
Noexcessivecorrosion 48hourexposure,5%saltsolution MIL-STD-202
Method101
6Mechanicalvibration DCRchange≤±10%
Nomechanicaldamage
0.4inchD.A.or30Gbetween
5-3000 Hz
MIL-STD-202
Method204
7Mechanicalshock DCRchange≤±10%
Nomechanicaldamage 1500G,0.5ms,half-sineshocks MIL-STD-202
Method213
8 Life
Noelectrical“opens”duringtesting
Voltagedropchangeshallbelessthan
±10%ofinitialvalue
75%ratedcurrentfor2000hoursat
ambienttemperaturebetween
+20°Cand+30°C
RefertoSTPdoc-
ument
I
* 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.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
SF-0402FPxxxF Series - Fast Acting Precision Surface Mount Fuses
SinglFuse SF-0402FPxxxF 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.
How to Order
SF - 0402 FP 050 F - 2
SinglFuse™
ProductDesignator
SMDFootprint
0402 = 1005 (EIA 0402) size
FuseBlowType
FP=Fastactingprecision
Rated Current
020 ~ 500 (200 mA ~ 5.00 A)
StructureType
F=Thinlm
PackagingType
-2=Tape&Reel
Typical Part Marking
Representstotalcontent.Layoutmay
vary.
Packaging Quantity
20,000piecesper7-inchreel
Construction
OperatingTemperature .................................................................................... -55°Cto+90°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
Product Dimensions
Recommended Pad Layout
1.0 ± 0.10
(.039 ± .004)
0.30 ± 0.10
(.012 ± .004)
0.70
(.027)
0.30 ± 0.10
(.012 ± .004)
0.30 ± 0.10
(.012 ± .004)
0.30 ± 0.10
(.012 ± .004)
0.33 ± 0.10
(.013 ± .004)
0.51 ± 0.10
(.020 ± .004)
1.60
(.063)
0.40
(.016)
1.0 ± 0.10
(.039 ± .004)
0.30 ± 0.10
(.012 ± .004)
0.70
(.027)
0.30 ± 0.10
(.012 ± .004)
0.30 ± 0.10
(.012 ± .004)
0.30 ± 0.10
(.012 ± .004)
0.33 ± 0.10
(.013 ± .004)
0.51 ± 0.10
(.020 ± .004)
1.60
(.063)
0.40
(.016)
1.0 ± 0.10
(.039 ± .004)
0.30 ± 0.10
(.012 ± .004)
0.70
(.027)
0.30 ± 0.10
(.012 ± .004)
0.30 ± 0.10
(.012 ± .004)
0.30 ± 0.10
(.012 ± .004)
0.33 ± 0.10
(.013 ± .004)
0.51 ± 0.10
(.020 ± .004)
1.60
(.063)
0.40
(.016)
Current Rating Thermal Derating Curve
140
120
100
80
60
40
20
0
DERATING (%)
-60 -40 -20 020406080 100
MAXIMUM OPERATING TEMPERATURE (°C)
PCB
CuNi/Sn
EPOXY
Cu/Sn
n Portable memory
n LCD monitors
n Disk drives
n PDAs
n Digital cameras
n MP3 players
n Cell phones
n Rechargeable battery packs
n Battery chargers
n Set-top boxes
n Industrial controllers
n Battery Management Systems (BMS)
n LED lighting
n Power tools
DIMENSIONS: MM
(INCHES)
ULFileNumber ............................ E198545
Agency Recognition
= 0.200
= 0.250
= 0.375
= 0.500
= 0.750
RATED CURRENT (A)
= 1.00
= 1.25
= 1.50
= 1.75
= 2.00
= 2.50
= 3.00
= 3.50
= 4.00
= 5.00
SF-0402FPxxxF Series - Fast Acting Precision Surface Mount Fuses
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.
Solder Reow Recommendations
Average Pre-Arcing Time vs. Current Curves Average I2t vs. t Curves
Prole Feature Pb-Free Assembly
Preheat/Soak:
TemperatureMin.(Tsmin)
TemperatureMax.(Tsmax)
Time(ts)from(TsmintoTsmax)
150°C
200°C
60~120seconds
RampUpRate(TLtoTp)3°C/secondmax.
LiquidousTemperature(TL)
Time(tL)maintainedaboveTL
217°C
60~150seconds
PeakPackageBody
Temperature(Tp)260°C
Time(tp)*within5°Cofthe
speciedclassicationtemperature
(Tc)
30seconds*
RampDownRate(TptoTL)6°C/secondmax.
Time25°CtoPeakTemperature 8minutesmax.
TIME
TEMPERATURE (°C)
tL
TIME 25 °C TO PEAK
tp
ts
Tsmax
Tsmin
Tp
260
150
10 sec. max.
PREHEATING
TL
25
Tc -5 °C
PREHEAT AREA
MAX. RAMP UP RATE = 3 °C/s
MAX. RAMP DOWN RATE = 6 °C/s
TEMPERATURE (°C)
120 seconds TIME
*Toleranceforpeakproletemperature(Tp)isdenedasa
supplierminimumandausermaximum.
REV. E 01/19
100
10
1
0.1
0.01
0.001
0.0001
I2t (A2s)
0.0001 0.001 0.01 0.1 1
TIME (SECONDS)
0.75 A
1.00 A
1.25 A
1.50 A
1.75 A
2.00 A
2.50 A
3.00 A
3.50 A
4.00 A
5.00 A
0.50 A
0.375 A
0.25 A
0.20 A
0.375 A
0.50 A
0.75 A
0.20 A
0.25 A
1.50 A
1.25 A
1.00 A 2.00 A
2.50 A
3.00 A
3.50 A
5.00 A
4.00 A
1.75 A
1
0.1
0.01
0.001
0.0001
PRE-ARCING TIME (SECONDS)
0.1 110100
CURRENT (A)
100
10
1
0.1
0.01
0.001
0.0001
I2t (A2s)
0.0001 0.001 0.01 0.1 1
TIME (SECONDS)
0.75 A
1.00 A
1.25 A
1.50 A
1.75 A
2.00 A
2.50 A
3.00 A
3.50 A
4.00 A
5.00 A
0.50 A
0.375 A
0.25 A
0.20 A
0.375 A
0.50 A
0.75 A
0.20 A
0.25 A
1.50 A
1.25 A
1.00 A 2.00 A
2.50 A
3.00 A
3.50 A
5.00 A
4.00 A
1.75 A
1
0.1
0.01
0.001
0.0001
PRE-ARCING TIME (SECONDS)
0.1 110100
CURRENT (A)
3312 - 2 mm SMD Trimming Potentiometer
SF-0402FPxxxF Series Tape and Reel Packaging Specications
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-0402FPxxxF Series
Tape Dimensions per EIA 481-2
W 8.00 ± 0.10
(.315 ± .004)
P0
4.0 ± 0.10
(.157 ± .004)
P1
2.0 + 0.05
(.079 + .002)
P2
2.0 ± 0.05
(.079 ± .002)
A0
0.61 ± 0.05
(.024 ± .002)
B0
1.15 ± 0.05
(.045 ± .002)
F 3.50 ± 0.05
(.138 ± .002)
E1
1.75 ± 0.10
(.069 ± .004)
D0
1.50 + 0.10
(.059 + .004)
T 0.43 ± 0.03
(.017 ± .001)
PACKAGING:Papertape,20,000pcs.perreel
DIRECTION OF UNREELING
DO
AO
T
COVER
TAPE
PO
10 PO
P2
P1
E1
B0
W
F
60.20 ± 0.50
(2.370 ± .020)
DIA.
13.20 +0.3/-0.2
(.520 +.012/-.008)
DIA.
178.00 ± 1.00
(7.008 ± .039)
DIA.
0.2
0.4
0.6
0.8
0.2
0.4
0.6
0.8
13.40 ± 0.50
(.539 ± .020)
1.40 ± 0.20
(.055 ± .008)
1.20 ± 0.20
(.047 ± .008)
2.20 ± 0.30
(.087 ± .012)
DIMENSIONS: MM
(INCHES)
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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and complete before placing orders for Bourns® products.
The characteristics and parameters of a Bourns® product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns®/1.#4"3(- 42$1 //+(" 3(.-, 85 18
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the user’s sole risk.
'$42$ -#+$5$+.%3$23(-& //+(" !+$3..41-2® custom products shall be negotiated on a case-by-case basis by Bourns
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also apply to such Bourns® custom products.
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