Bourns PTC fuse Current I(H) 3.5 A 30 V (L x W x H) 31.8 x 13.5 x 1.1 mm MF-S350 1 pc(s) MF-S350 数据表
产品代码
MF-S350
Features
■
Axial leaded
■
Fully compatible with current industry
standards
■
Weldable nickel terminals
■
Very low internal resistance
■
Agency recognition:
■
RoHS compliant*
Applications
■
Rechargeable battery pack protection
■
Provides overcurrent protection with
125 °C trip temperature
MF-S Series - PTC Resettable Fuses
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
*RoHS COMPLIANT
Environmental Characteristics
Operating/Storage 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
Vibration ............................................................... MIL-STD-883C, Method 2007.1, .......................... No change
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
Vibration ............................................................... MIL-STD-883C, Method 2007.1, .......................... No change
Condition
A
Test Procedures And Requirements For Model MF-S Series
Test
Test Conditions
Accept/Reject Criteria
Visual/Mech. .................................................... Verify dimensions and materials ...................... Per MF physical description
Resistance ....................................................... In still air @ 23 °C ............................................. Rmin
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
Trip Cycle Life .................................................. Vmax, Imax, 100 cycles ................................... No arcing or burning
Trip Endurance ................................................ Vmax, 48 hours ................................................ No arcing or burning
UL File Number ............................................... E 174545S
CSA File Number ............................................. CA 110338
TÜV File Number ............................................. R2057213
CSA File Number ............................................. CA 110338
TÜV File Number ............................................. R2057213
Electrical Characteristics
Model
V max.
Volts
I max.
Amps
Ihold
Itrip
Initial Resistance
1 Hour (R1)
Post-Trip
Resistance
Max. Time to Trip
Tripped
Power
Dissipation
Amperes
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Hold
Trip
Min.
Max.
Max.
Typ.
MF-S120
15
100
1.20
2.70
0.085
0.160
0.220
6
5.0
1.20
MF-S120S
15
100
1.20
2.70
0.085
0.160
0.220
6
5.0
1.20
MF-S150
15
100
1.50
3.00
0.050
0.090
0.113
8
5.0
1.30
MF-S175
15
100
1.75
3.80
0.050
0.090
0.120
9
4.0
1.50
MF-S175S
15
100
1.75
3.80
0.050
0.090
0.120
9
4.0
1.50
MF-S200
30
100
2.00
4.40
0.030
0.060
0.080
10
4.0
1.90
MF-S350
30
100
3.50
6.30
0.017
0.031
0.040
20
3.0
2.50
MF-S420
30
100
4.20
7.60
0.012
0.024
0.040
20
6.0
2.90
Thermal Derating Chart - Ihold/ Itrip (Amps)
Model
Ambient Operating Temperature
-40 ºC
-20 ºC
0 ºC
23 ºC
40 ºC
50 ºC
60 ºC
70 ºC
85 ºC
MF-S120
1.90 / 4.28
1.70 / 3.83
1.50 / 3.38
1.20 / 2.70
1.00 / 2.25 0.90 / 2.03
0.80 / 1.80
0.70 / 1.58 0.50 / 1.13
MF-S120S
1.90 / 4.28
1.70 / 3.83
1.50 / 3.38
1.20 / 2.70
1.00 / 2.25 0.90 / 2.03
0.80 / 1.80
0.70 / 1.58 0.50 / 1.13
MF-S150
2.20 / 4.40
2.00 / 4.00
1.80 / 3.60
1.50 / 3.00
1.30 / 2.60 1.10 / 2.20
1.00 / 2.00
0.90 / 1.80 0.70 / 1.40
MF-S175
2.50 / 5.59
2.30 / 5.14
2.00 / 4.47
1.70 / 3.80
1.50 / 3.35 1.30 / 2.91
1.20 / 2.68
1.10 / 2.46 0.90 / 2.01
MF-S175S
2.50 / 5.59
2.30 / 5.14
2.00 / 4.47
1.70 / 3.80
1.50 / 3.35 1.30 / 2.91
1.20 / 2.68
1.10 / 2.46 0.90 / 2.01
MF-S200
3.20 / 7.04
2.80 / 6.16
2.50 / 5.50
2.00 / 4.40
1.70 / 3.74 1.60 / 3.52
1.40 / 3.08
1.20 / 2.64 0.90 / 1.98
MF-S350
5.40 / 9.72
4.80 / 8.64
4.30 / 7.74
3.50 / 6.30
3.00 / 5.40 2.80 / 5.04
2.50 / 4.50
2.20 / 3.96 1.70 / 3.06
MF-S420
6.40 / 11.5
5.70 / 10.3
5.10 / 9.23
4.20 / 7.60
3.60 / 6.51 3.30 / 5.97
3.00 / 5.43
2.60 / 4.70 2.10 / 3.80
S350
0144T
NOTE: Slotted lead option available on all models.