SF-0402S Series - Slow Blow Surface Mount Fuses
*RoHS COMPLIANT
&
**HALOGEN FREE
SinglFuse
™
SF-0402S Series Features
■ Slow blow thin film chip fuse for overcurrent protection
■ 1005 (EIA 0402) miniature footprint
■ Surface mount packaging for automated assembly
■ UL 248-14 compliant
■ RoHS compliant* and halogen free**
Clearing Time Characteristics for Series
% of Current Rating
Clearing Time at 25 °C
Min. Max.
100 % 4 hours —
250 % — 5 seconds
Additional Information
Click these links for more information:
PRODUCT TECHNICAL
LIBRARY
INVENTORY SAMPLES CONTACT
Electrical Characteristics
Model
Rated Current
(A)
Resistance
(Ω) Typ.***
Rated
Voltage
Interrupting
Rating
Typical
I
2
t (A
2
s) ****
Certifications
cUL: E198545
SF-0402S050-2 0.50 0.3
32 VDC 35
A @ 32 VDC
0.0037
✓
SF-0402S080-2 0.80 0.078 0.00947
✓
SF-0402S100-2 1.00 0.075 0.01479
✓
SF-0402S125-2 1.25 0.044 0.0231
✓
SF-0402S150-2 1.50 0.0345 0.024
✓
SF-0402S160-2 1.60 0.0295 0.03734
✓
SF-0402S200-2 2.00 0.023 0.0404
✓
SF-0402S250-2 2.50 0.018 0.0676
✓
SF-0402S300-2 3.00 0.015 0.0986
✓
SF-0402S315-2 3.15 0.014 0.10868
✓
SF-0402S400-2 4.00 0.01 0.1145
✓
*** Resistance value measured with ≤10 % rated current at 25 °C ambient. Tolerance ± 25 %.
**** Melting I
2
t calculated at 10 times rated current.
Environmental Characteristics
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 Classification (HBM)............................................................................................................................................................................. Class 6
*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.
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
SELECTOR
SinglFuse
™
SF-0402S Series Applications
■ Portable memory
■ LCD monitors
■ Disk drives
■ PDAs
■ Digital cameras
■ DVDs
■ Cell phones
■ Rechargeable battery packs
■ Battery chargers
■ Set top boxes
■ Industrial controllers
SF-0402S Series - Slow Blow Surface Mount Fuses
100
10
1
0.1
0.01
0.001
0.1 1 10
CURRENT (A)
PRE-ARCING TIME (SECONDS)
100
0.50 A
3.00 A
0.80 A
2.50 A
1.00 A
2.00 A
1.25 A
1.60 A
3.15 A
4.00 A
1.50 A
100
10
1
0.1
0.01
0.001
0.001 0.01 0.1
TIME (SECONDS)
I
2
t (A
2
s)
1
4.00 A
1.25 A
1.00 A
0.80 A
0.50 A
2.50 A
2.00 A
1.60 A
1.50 A
3.15 A
3.00 A
Average Pre-Arcing Time vs. Current Curves Average I
2
t vs. t Curves
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
1.0 ± 0.1
(.039 ± .004)
0.2 ± 0.1
(.008 ± .004)
0.2 ± 0.1
(.008 ± .004)
0.52 ± 0.05
(.020 ± .002)
0.25 ± 0.1
(.010 ± .004)
0.25 ± 0.1
(.010 ± .004)
0.35 ± 0.05
(.014 ± .002)
DIMENSIONS:
MM
(INCHES)
Recommended Pad Layout
1.50 ± 0.1
(.059 ± .004)
0.55 ± 0.05
(.022 ± .002)
0.50 ± 0.1
(.020 ± .004)