MF-SM250-2 Bourns Inc., MF-SM250-2 Datasheet
MF-SM250-2
Manufacturer Part Number
MF-SM250-2
Description
FUSE RESETTABLE 2.5A 15V SMD
Manufacturer
Bourns Inc.
Series
MF-SMr
Datasheet
1.MF-SM15033-2.pdf
(3 pages)
Specifications of MF-SM250-2
R Min/max
0.024 ~ 0.085 Ohm
Voltage - Max
15V
Time To Trip
25s
Current - Hold (ih) (max)
2.5A
Current - Trip (it)
5A
Current - Max
100A
Package / Case
Non-Standard SMD
Holding Current
2.5A
Tripping Current
5A
Initial Resistance Max
0.085ohm
Operating Voltage
15V
Ptc Fuse Case
SMD
Initial Resistance Min
0.024ohm
Length
8.75mm
External Depth
3mm
Brand/series
MF-SM Series
Current, Rating
0.25 A
Dimensions
0.374x0.264x0.125 "
Mounting Type
PCB
Primary Type
Resettable
Resistance, Dc
0.024 Ohms
Termination
SMT
Voltage, Rating
15 VDC
Thermistor Type
PTC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
MF-SM250-02
MF-SM250TR
MF-SM250TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MF-SM250-2
Manufacturer:
BOURNS
Quantity:
66 000
Company:
Part Number:
MF-SM250-2
Manufacturer:
BOURNS
Quantity:
29 753
Company:
Part Number:
MF-SM250-2-006
Manufacturer:
BOURNS
Quantity:
66 000
Company:
Part Number:
MF-SM250-2-99
Manufacturer:
BOURNS
Quantity:
66 000
Company:
Part Number:
MF-SM250-2-99
Manufacturer:
JST
Quantity:
31 399
Part Number:
MF-SM250-2-H5
Manufacturer:
BOURNS/伯恩斯
Quantity:
20 000
Operating Temperature..............................................................-40 °C to +85 °C
Maximum Device Surface Temperature in Tripped State ..........125 °C
Passive Aging ............................................................................+85 °C, 1000 hours ..........................................................±5 % typical resistance change
Humidity Aging ..........................................................................+85 °C, 85 % R.H. 7 days................................................±5 % typical resistance change
Thermal Shock ..........................................................................MIL-STD-202F, Method 107G, ........................................±10 % typical resistance change
Vibration ....................................................................................MIL-STD-883C, Method 2007.1, Condition A..................No change
Test
Visual/Mech. ........................Verify dimensions and materials..........................................................Per MF physical description
Resistance............................In still air @ 23 °C ................................................................................Rmin ≤ R ≤ R1max
Time to Trip ..........................At specified current, Vmax, 23 °C ......................................................T ≤ max. time to trip (seconds)
Hold Current ........................30 min. at Ihold....................................................................................No trip
Trip Cycle Life ......................Vmax, Imax, 100 cycles ......................................................................No arcing or burning
Trip Endurance ....................Vmax, 48 hours ..................................................................................No arcing or burning
Solderability..........................MIL-STD-202F, Method 208F..............................................................95 % min. coverage
UL File Number ....................E174545
CSA File Number ..................CA110338
TÜV Certificate Number........R 02057213 http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213
*CSA recognition pending.
I trip is approximately two times I hold.
MF-SM030
MF-SM050
MF-SM075
MF-SM075/60*
MF-SM100
MF-SM100/33
MF-SM125
MF-SM150
MF-SM150/33
MF-SM185/33
MF-SM200
MF-SM250
MF-SM260
MF-SM300**
MF-SM030
MF-SM050
MF-SM075
MF-SM075/60
MF-SM100
MF-SM100/33
MF-SM125
MF-SM150
MF-SM150/33
MF-SM185/33
MF-SM200
MF-SM250
MF-SM260
MF-SM300
Environmental Characteristics
Test Procedures And Requirements For Model MF-SM Series
Electrical Characteristics
Model
Thermal Derating Chart - I hold (Amps)
Model
V max.
Volts
60
60
30
60
30
33
15
15
33
33
15
15
6
6
-40 °C
0.45
0.76
1.11
1.11
1.66
1.66
1.89
2.27
2.27
2.56
3.02
3.78
3.64
4.13
Test Conditions
**UL approved, CSA & TUV approval pending.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Product manufactured with a date code later than April 1, 2005 is RoHS compliant.
I max.
Amps
100
100
100
100
100
100
40
40
80
10
80
40
40
40
-20 °C
0.40
0.67
0.99
0.99
1.47
1.47
1.68
2.01
2.01
2.32
2.68
3.35
3.25
3.75
http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545
http://directories.csa-international.org/ Under “Certification Record” and “File Number” enter 110338-0-000
MF-SM Series -
I hold
0.30
0.50
0.75
0.75
1.10
1.10
1.25
1.50
1.50
1.80
2.00
2.50
2.60
3.00
Hold
Features
Compliant with AEC-Q200 Rev-C- Stress
Test Qualification for Passive Components
in Automotive Applications
Surface Mount Devices
Fully compatible with current
industry standards
Packaged per EIA 481-2 standard
0 °C
0.35
0.59
0.84
0.84
1.29
1.29
1.46
1.76
1.76
2.08
2.34
2.93
2.91
3.30
Amperes
at 23 °C
+125 °C to -55 °C,10 cycles
0.60
1.00
1.50
1.50
2.20
2.20
2.50
3.00
3.00
3.60
4.00
5.00
5.20
6.00
I trip
Trip
Ambient Operating Temperature
23 °C
0.30
0.50
0.75
0.75
1.10
1.10
1.25
1.50
1.50
1.85
2.00
2.50
2.60
2.87
RMin.
0.90
0.35
0.23
0.23
0.12
0.12
0.07
0.06
0.06
0.04
0.045
0.024
0.025
0.015
PTC Resettable Fuses
Resistance
40 °C
Customers should verify actual device performance in their specific applications.
0.25
0.42
0.63
0.63
0.91
0.91
1.04
1.25
1.25
1.60
1.66
2.08
2.26
2.62
at 23 °C
Ohms
R1Max.
Accept/Reject Criteria
4.80
1.40
1.00
1.00
0.48
0.41
0.25
0.25
0.23
0.15
0.125
0.085
0.075
0.048
50 °C
0.23
0.38
0.57
0.57
0.83
0.83
0.94
1.13
1.13
1.44
1.50
1.88
2.08
2.43
RoHS compliant*
Agency recognition:
Patents pending
Specifications are subject to change without notice.
Amperes
at 23 °C
1.5
2.5
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
60 °C
0.20
0.33
0.49
0.49
0.73
0.73
0.83
0.99
0.99
1.28
1.32
1.65
1.95
2.25
Max. Time
To Trip
Seconds
at 23 °C
12.0
25.0
20.0
35.0
Max.
3.0
4.0
0.3
0.3
0.5
0.5
2.0
5.0
5.0
5.0
70 °C
0.17
0.29
0.45
0.45
0.64
0.64
0.73
0.87
0.87
1.12
1.16
1.45
1.74
2.00
Dissipation
at 23 °C
Tripped
Power
Watts
85 °C
Typ.
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.9
1.9
1.9
1.9
1.9
1.7
1.5
T V Rheinland
0.14
0.23
0.36
0.36
0.50
0.50
0.56
0.68
0.68
0.88
0.90
1.13
1.48
1.78
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MF-SM250-2 Summary of contents
Page 1
... Humidity Aging ..........................................................................+85 ° R.H. 7 days................................................±5 % typical resistance change Thermal Shock ..........................................................................MIL-STD-202F, Method 107G, ........................................±10 % typical resistance change Vibration ....................................................................................MIL-STD-883C, Method 2007.1, Condition A..................No change Test Procedures And Requirements For Model MF-SM Series Test Test Conditions Visual/Mech. ........................Verify dimensions and materials..........................................................Per MF physical description Resistance............................In still air @ 23 ° ...
Page 2
... MF-SM300 (0.265) (0.314) (0.118) (0.214) (0.022) (0.028) (0.022) (0.028) (0.085) (0.095) (0.026) (0.054) (0.017) Packaging: TAPE & REEL: MF-SM030, 050, 075, 075/60, 100, 100/33, 125, 260, 300 = 2000 pcs. per reel; MF-SM150, 150/33, 185/33, 200, 250 = 1500 pcs. per reel. UNIT = ...
Page 3
... MF-SM, MF-SM/33, MF-SM/60 & MF-SM/250 Series Tape and Reel Specifications Tape Dimensions max min. T max max Leader min. Trailer min. Reel Dimensions A max. N min max. 3.8 ± 0.1 * Model MF-SM013/250 = (0.150 ± 0.004 COVER TAPE Specifications are subject to change without notice. ...