Bourns PTC fuse Current I(H) 2.5 A 15 V (L x W x H) 9.5 x 6.71 x 3 mm MF-SM250-2 1 pc(s) MF-SM250-2 数据表

产品代码
MF-SM250-2
下载
页码 4
Features
  Compliant with AEC-Q200 Rev-C- Stress 
 Test 
Qualifi cation for Passive Components
  in Automotive Applications
  Surface Mount Devices
  Fully compatible with current
 industry 
standards 
  Packaged per EIA 481-2 standard
  RoHS compliant* and halogen free**
 Agency recognition: 
 Patents pending
 
  MF-SM Series - PTC Resettable Fuses
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. 
**To be considered halogen free, each homogenous material can have a maximum concentration of 900 ppm of either bromine or chlorine.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
*RoHS COMPLIANT
& AEC APPROVED
Electrical Characteristics
        Model
V max.
Volts
I max
Amps
Ihold
Itrip
Resistance
Max. Time
To Trip
Tripped
Power
Dissipation
Amperes
at 23 °C
Ohms
at 23 °C
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Hold
Trip
R Min.
R1 Max.
Max.
Typ.
MF-SM030
60
40
0.30
0.60
0.90
4.80
1.5
3.0
1.7
MF-SM050
60
40
0.50
1.00
0.35
1.40
2.5
4.0
1.7
MF-SM075
30
80
0.75
1.50
0.23
1.00
8.0
0.3
1.7
MF-SM075/60*
60
10
0.75
1.50
0.23
1.00
8.0
0.3
1.7
MF-SM100
30
80
1.10
2.20
0.12
0.48
8.0
0.5
1.7
MF-SM100/33
33
40
1.10
2.20
0.12
0.41
8.0
0.5
1.7
MF-SM125
15
100
1.25
2.50
0.07
0.25
8.0
2.0
1.7
MF-SM150
15
100
1.50
3.00
0.06
0.25
8.0
5.0
1.9
MF-SM150/33
33
40
1.50
3.00
0.06
0.23
8.0
5.0
1.9
MF-SM185/33
33
40
1.80
3.60
0.04
0.15
8.0
5.0
1.9
MF-SM200
15
100
2.00
4.00
  0.045
0.125
8.0
12.0
1.9
MF-SM250
15
100
2.50
5.00
 0.024
0.085
8.0
25.0
1.9
MF-SM260
 6
100
2.60
5.20
 0.025
0.075
8.0
20.0
1.7
MF-SM300**
 6
100
3.00
6.00
 0.015
0.048
8.0
35.0
1.5
Environmental Characteristics
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
   
+125 °C to -55 °C,10 cycles
Vibration .................................................................... MIL-STD-883C, Method 2007.1, Condition A ........... No change
  Test Procedures And Requirements For Model MF-SM Series
Test 
Test Conditions 
Accept/Reject Criteria
Visual/Mech. .............................................................. Verify dimensions and materials ................................ Per MF physical description
Resistance ................................................................. In still air @ 23 °C....................................................... Rmin 
≤ R ≤ R1max
Time to Trip ................................................................ At specifi ed 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 
http://www.ul.com/  Follow link to Certifi cations, then UL File No., enter E174545
CSA File Number ............. CA110338  
http://directories.csa-international.org/ Under “Certifi cation Record” and “File Number” enter 110338-0-000
TÜV Certifi cate Number .. R 02057213   http://www.tuvdotcom.com/ Follow link to “other certifi cates”, enter File No. 2057213
Thermal Derating Chart - Ihold (Amps)
            Model
Ambient Operating Temperature
-40 ºC
-20 ºC
0 ºC
23 ºC
40 ºC
50 ºC
60 ºC
70 ºC
85 ºC
MF-SM030
0.45
0.40
0.35
0.30
0.25
0.23
0.20
0.17
0.14
MF-SM050
0.76
0.67
0.59
0.50
0.42
0.38
0.33
0.29
0.23
MF-SM075
1.11
0.99
0.84
0.75
0.63
0.57
0.49
0.45
0.36
MF-SM075/60
1.11
0.99
0.84
0.75
0.63
0.57
0.49
0.45
0.36
MF-SM100
1.66
1.47
1.29
1.10
0.91
0.83
0.73
0.64
0.50
MF-SM100/33
1.66
1.47
1.29
1.10
0.91
0.83
0.73
0.64
0.50
MF-SM125   
1.89
1.68
1.46
1.25
1.04
0.94
0.83
0.73
0.56
MF-SM150   
2.27
2.01
1.76
1.50
1.25
1.13
0.99
0.87
0.68
MF-SM150/33   
2.27
2.01
1.76
1.50
1.25
1.13
0.99
0.87
0.68
MF-SM185/33   
2.56
2.32
2.08
1.85
1.60
1.44
1.28
1.12
0.88
MF-SM200
3.02
2.68
2.34
2.00
1.66
1.50
1.32
1.16
0.90
MF-SM250   
3.78
3.35
2.93
2.50
2.08
1.88
1.65
1.45
1.13
MF-SM260   
3.64
3.25
2.91
2.60
2.26
2.08
1.95
1.74
1.48
MF-SM300
4.13
3.75
3.30
2.87
2.62
2.43
2.25
2.00
1.78
*CSA recognition pending.        **UL approved, CSA & TUV approval pending.
Itrip is approximately two times Ihold.