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SinglFuse™ SF-0603S Series Features
■ Slow blow thin film chip fuse for overcurrent protection
*R
oH
S
■ 1608 (EIA 0603) miniature footprint
**
HA
■ Surface mount packaging for automated assembly
■ UL 248-14 compliant
■ RoHS compliant* and halogen free**
SF-0603S Series - Slow Blow Surface Mount Fuses
Clearing Time Characteristics for Series
Additional Information
Click these links for more information:
Clearing Time at 25 °C
% of Current Rating
Min.
Max.
100 %
4 hours
—
250 %
—
5 seconds
PRODUCT TECHNICAL INVENTORY SAMPLES
SELECTOR LIBRARY
CONTACT
Electrical Characteristics
Model
SF-0603S040-2
Rated Current
(A)
Resistance
(Ω) Typ.***
0.40
0.35
Rated
Voltage
Interrupting
Rating
Typical
I t (A2s) ****
50 A @ 35 VAC
50 A @ 50 VDC
0.004
50 VDC
2
SF-0603S050-2
0.50
0.232
SF-0603S063-2
0.63
0.15
0.017
SF-0603S070-2
0.70
0.148
0.023
SF-0603S080-2
0.80
0.113
0.024
SF-0603S100-2
1.00
0.067
0.026
SF-0603S125-2
1.25
0.05
0.057
SF-0603S150-2
1.50
0.042
0.081
SF-0603S160-2
1.60
0.04
32 VDC
50 A @ 35 VAC
50 A @ 32 VDC
0.009
0.086
SF-0603S200-2
2.00
0.027
0.115
SF-0603S250-2
2.50
0.0195
0.200
SF-0603S300-2
3.00
0.016
0.210
SF-0603S315-2
3.15
0.015
0.279
SF-0603S400-2
4.00
0.011
0.326
SF-0603S500-2
5.00
0.008
0.622
SF-0603S600-2
6.00
0.006
2.700
Certifications
cUL: E198545
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
*** Resistance value measured with ≤10 % rated current at 25 °C ambient. Tolerance ± 25 %.
**** Melting I2t calculated at 10 times rated current.
WARNING Cancer
and Reproductive Harm
www.P65Warnings.ca.gov
*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.
SinglFuse™ SF-0603S Series Applications
■ Portable memory
■ Cell phones
■ LCD monitors
■ Rechargeable battery packs
■ Disk drives
■ Battery chargers
■ PDAs
■ Set top boxes
■ Digital cameras
■ Industrial controllers
■ DVDs
SF-0603S Series - Slow Blow Surface Mount Fuses
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
Average I2t vs. t Curves
Average Pre-Arcing Time vs. Current Curves
1.5 A
1.25 A
1A
0.8 A
0.7 A
0.63 A
0.5 A
0.4 A
1.6 A
2A
2.5 A
3A
3.15 A
4A
5A
6A
100
1000
100
10
10
I2t (A2s)
PRE-ARCING TIME (SECONDS)
6A
5A
4A
3.15 A
3A
2.5 A
2A
1.6 A
1.5 A
1.25 A
1A
0.8 A
0.7 A
0.63 A
0.5 A
0.4A
10000
1
1
0.1
0.1
0.01
0.001
0.1
0.01
1
10
CURRENT (A)
100
0.001
0.001
0.01
0.1
1
10
100
TIME (SECONDS)
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-0603S Series - Slow Blow Surface Mount Fuses
Product Dimensions
Recommended Pad Layout
0.8 ± 0.1
(.031 ± .004)
1.6 ± 0.1
(.063 ± .004)
0.45 ± 0.1
(.018 ± .004)
0.9 ± 0.1
(.035 ± .004)
0.8 ± 0.1
(.031 ± .004)
0.35 ± 0.2
(.014 ± .008)
0.3 ± 0.2
(.012 ± .008)
0.3 ± 0.2
(.012 ± .008)
0.35 ± 0.2
(.014 ± .008)
DIMENSIONS:
Thermal Derating Curve
RATED CURRENT PERCENTAGE (%)
2.1 ± 0.1
(.083 ± .004)
MM
(INCHES)
Packaging
120
110
Reel Dimension
7-inch Tape and Reel
Specification
EIA 481-2
Quantity
5,000 pieces
Packaging Code
-2
100
Typical Part Marking
90
80
-20
Represents total content. Layout may vary.
0
20
40
60
80
100
120
AMBIENT TEMPERATURE (°C)
How to Order
SF - 0603 S 040 - 2
SinglFuse™
Product Designator
SMD Footprint
1608 (EIA 0603) size
RATED CURRENT (A)
E = 0.40
N = 1.60
F = 0.50
S = 2.00
I = 0.63
T = 2.50
J = 0.70
3 = 3.00
K = 0.80
U = 3.15
L = 1.00
W = 4.00
M = 1.25
Y = 5.00
P = 1.50
6 = 6.00
Fuse Blow Type
S = Slow blow
Rated Current
040-600 (400 mA - 6.00 A)
Packaging Type
- 2 = Tape & Reel (5,000 pcs./reel)
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-0603S Series - Slow Blow Surface Mount Fuses
Solder Reflow Recommendations
250
Peak: 250 +0/-5 °C
TEMPERATURE (°C)
230 °C or higher
200
180 °C
PRE-HEATING ZONE
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
150 °C
150
90 ± 30 Seconds
100
30 ± 10 Seconds
SOLDERING ZONE
50
HEATING TIME
Reliability Testing
No.
Test
Requirement
Test Condition
1
Carrying Capacity
No fusing
Rated current, 4 hours
2
Fusing Time
Within 5 seconds
250 % of its rated current
3
Interrupting Ability
No mechanical damages
After the fuse is interrupted, rated voltage applied
for 30 seconds again
4
Bending 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
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