Mount Fuses. SF-0402S400M-2 Datasheet

SF-0402S400M-2 Fuses. Datasheet pdf. Equivalent

SF-0402S400M-2 Datasheet
Recommendation SF-0402S400M-2 Datasheet
Part SF-0402S400M-2
Description Slow Blow Multilayer Surface Mount Fuses
Feature SF-0402S400M-2; SinglFuse™ SF-0402SxxxM Series Features n Single blow fuse for overcurrent protection n 1005 (EIA .
Manufacture BOURNS
Datasheet
Download SF-0402S400M-2 Datasheet




BOURNS SF-0402S400M-2
SinglFuseSF-0402SxxxM Series Features
n Single blow fuse for overcurrent protection
n 1005 (EIA 0402) miniature footprint
n Slow blow fuse (Fusing time 5 seconds at 250 % rated current)
n UL 248-14 listed
n Surface mount packaging for automated assembly
n Multilayer SMD design
n RoHS compliant* and halogen free**
SF-0402SxxxM Series - Slow Blow Multilayer Surface Mount Fuses
Electrical Characteristics
Model
SF-0402S050M-2
SF-0402S075M-2
SF-0402S100M-2
SF-0402S150M-2
SF-0402S200M-2
SF-0402S300M-2
SF-0402S400M-2
Rated Current
(Amps)
0.50
0.75
1.00
1.50
2.00
3.00
4.00
Fusing Time
Open within 5
sec. at 250 %
rated current
Resistance
(Ω) Typ.***
0.380
0.210
0.120
0.056
0.035
0.021
0.014
Rated
Voltage
DC 24 V
*** Resistance value measured with ≤10 % rated current at 25 °C ambient. Tolerance ±25 %.
****Melting I2t calculated at 0.001 second pre-arcing time.
Breaking
Capacity
DC 24 V
35 A
Typical
I2t (A2s) ****
0.004
0.007
0.014
0.050
0.070
0.110
0.210
Reliability Testing
No. Test
1
Soldering heat
resistance
2 Solderability
3 Thermal shock
4 Moisture resistance
5 Salt spray
6 Mechanical vibration
7 Mechanical shock
8 Life
9 Terminal strength
Requirement
DCR change ≤ ±10 %
No mechanical damage
Minimum 95 % coverage
DCR change ≤ ±10 %
No mechanical damage
DCR change ≤ ±15 %
No excessive corrosion
DCR change ≤ ±10 %
No excessive corrosion
DCR change ≤ ±10 %
No mechanical damage
DCR change ≤ ±10 %
No mechanical damage
No electrical “opens” during testing.
Voltage drop change shall be less
than ±20 % of initial value.
No mechanical damage
Test Condition
Test Reference
One dip at 260 °C for 60 seconds
MIL-STD-202
Method 210
One dip at 245 °C for 5 seconds
MIL-STD-202
Method 208
100 cycles between -65 °C and +125 °C
MIL-STD-202
Method 107
10 cycles
MIL-STD-202
Method 106
48 hour exposure, 5 % salt solution
MIL-STD-202
Method 101
0.4 inch D.A. or 30 G between
5-3000 Hz
MIL-STD-202
Method 204
1500 G, 0.5 ms, half-sine shocks
MIL-STD-202
Method 213
80 % rated current (75 % for ≤1 A fuses)
for 2000 hours at ambient temperature
+20 °C ~ +30 °C
Refer to STP
document
0.5 Kg pushing force
Refer to STP
document
Environmental Characteristics
Operating Temperature............................................ -55 °C to +125 °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
Agency Recognition
UL File Number..................................................................E198545
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.



BOURNS SF-0402S400M-2
SinglFuseSF-0402SxxxM Series Applications
n Portable memory
n Cell phones
n LCD monitors
n Rechargeable battery packs
n Disk drives
n Battery chargers
n PDAs
n Set-top boxes
n Digital cameras
n Industrial controllers
n MP3 players
n Battery Management Systems (BMS)
n LED lighting
n Power tools
SF-0402SxxxM Series - Slow Blow Multilayer Surface Mount Fuses
Typical Part Marking
................. No part marking for this series
Packaging Quantity
10,000 pieces per 7 inch reel
Product Dimensions
(1.0.0309(1.±±0.030.009.10±±04)0.0.1004)
How to Order
SF - 0402 S 050 M - 2
SinglFuse™
Product Designator
SMD Footprint
0402 = 1005 (EIA 0402) size
Fuse Blow Type
S = Slow blow
Rate0d50C~ur4re0n0(1.t0.03(090±±.50.0.01004)A ~ 4.00 A)
Structure Type
M = Multilayer
Packaging Type
- 2 = Tape & Reel
0.51 ± 0.10
(.020 ± .004)
0.51 ± 0.10
(.020 ± .004)
0.25 ± 0.10
(.010 ± .004)
(0.0.5210(0.±±0.520.010.10±±04)0.0.1004)
Construction
FUSE ELEMENT
CERAMIC
BODY
TERMINATION
0.40
(.016)
0.51 ± 0.10
(.020 ± .004)
1.60
(.063)
Recommended Pad Layout
(0.0.4106()0.0.4106)
(0.0.5210(0.±±0.520.010.10±±04)0.0.1004)
(0.0.5210(0.±±0.520.010.10±±04)0.0.1004)
(0.0.7208()0.0.7208)
0.70
(.028)
(0.0.2150(0.±±0.210.050.10±±04)0.0.1004)
DIMENSIONS:
MM
(INCHES)
(1.0.6603()1.0.6603)
Current Rating Thermal Derating Curve
105
100
95
90
85
80
75
70
65
60
55
50
-55 -35 -15
5
25
45 65 85
MAXIMUM OPERATING TEMPERATURE (°C)
105 125
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.



BOURNS SF-0402S400M-2
SF-0402SxxxM Series - Slow Blow Multilayer Surface Mount Fuses
Solder Reflow Recommendations
Tp
TL
Tsmax
MAX. RAMP UP RATE = 3 °C/s
MAX. RAMP DOWN RATE = 6 °C/s
PREHEAT AREA
Tsmin
ts
25
TIME 25 °C TO PEAK
TIME
Profile Feature
Pb-Free Assembly
tp
Tc -5 °C
Preheat / Soak:
Temperature Min. (Tsmin)
150 °C
Temperature Max. (Tsmax)
200 °C
tL Time (ts) from (Tsmin to Tsmax) 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
specified classification temperature 30 seconds*
(Tc)
Ramp Down Rate (Tp to TL)
6 °C / second max.
Time 25 °C to Peak Temperature 8 minutes max.
*Tolerance for peak profile temperature (Tp) is defined as a
supplier minimum and a user maximum.
Average Pre-Arcing Time vs. Current Curves
1.50 A
2.00 A
1.00 A
3.00 A
0.75 A
4.00 A
0.50 A
10
1
Average I2t vs. t Curves
1000
100
10
4.00 A
3.00 A
2.00 A
1.50 A
1.00 A
0.75 A
0.50 A
0.1 1
0.01
0.001
0.1
0.01
0.001
0.0001
0.1
1 10
CURRENT (A)
100
0.0001
0.0001
0.001
0.01 0.1
TIME (s)
1
10
REV. C 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.







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