mfs

Applications
■ Axial leaded
■ Rechargeable battery pack protection
■ Fully compatible with current industry
■ Provides overcurrent protection with
*R
oH
S
CO
M
PL
IA
N
T
Features
■
S
014 350
4T
■
■
■
standards
Weldable nickel terminals
Very low internal resistance
Agency recognition:
RoHS compliant*
125 °C trip temperature
MF-S Series - PTC Resettable Fuses
Electrical Characteristics
Ihold
Model
MF-S120
MF-S150
MF-S175
MF-S200
MF-S350
MF-S420
V max.
Volts
I max.
Amps
15
15
15
30
30
30
100
100
100
100
100
100
Itrip
Initial Resistance
Amperes
at 23 °C
Hold
Trip
1.20
2.70
1.50
3.00
1.75
3.80
2.00
4.40
3.50
6.30
4.20
7.60
Ohms
at 23 °C
Min.
Max.
0.085
0.160
0.050
0.090
0.050
0.090
0.030
0.060
0.017
0.031
0.012
0.024
1 Hour (R1)
Post-Trip
Resistance
Ohms
at 23 °C
Max.
0.220
0.113
0.120
0.080
0.040
0.040
Max. Time to Trip
Amperes Seconds
at 23 °C at 23 °C
6
8
9
10
20
20
5.0
5.0
4.0
4.0
3.0
6.0
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
1.20
1.30
1.50
1.90
2.50
2.90
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
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 ≤ 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
UL File Number ................................................ E174545
TÜV File Number ............................................. R2057213
Thermal Derating Chart - Ihold/ Itrip (Amps)
Model
MF-S120
MF-S120S
MF-S150
MF-S175
MF-S175S
MF-S200
MF-S350
MF-S420
-40 ºC
1.90 / 4.28
1.90 / 4.28
2.20 / 4.40
2.50 / 5.59
2.50 / 5.59
3.20 / 7.04
5.40 / 9.72
6.40 / 11.5
-20 ºC
1.70 / 3.83
1.70 / 3.83
2.00 / 4.00
2.30 / 5.14
2.30 / 5.14
2.80 / 6.16
4.80 / 8.64
5.70 / 10.3
0 ºC
1.50 / 3.38
1.50 / 3.38
1.80 / 3.60
2.00 / 4.47
2.00 / 4.47
2.50 / 5.50
4.30 / 7.74
5.10 / 9.23
Ambient Operating Temperature
23 ºC
40 ºC
50 ºC
1.20 / 2.70 1.00 / 2.25 0.90 / 2.03
1.20 / 2.70 1.00 / 2.25 0.90 / 2.03
1.50 / 3.00 1.30 / 2.60 1.10 / 2.20
1.70 / 3.80 1.50 / 3.35 1.30 / 2.91
1.70 / 3.80 1.50 / 3.35 1.30 / 2.91
2.00 / 4.40 1.70 / 3.74 1.60 / 3.52
3.50 / 6.30 3.00 / 5.40 2.80 / 5.04
4.20 / 7.60 3.60 / 6.51 3.30 / 5.97
60 ºC
0.80 / 1.80
0.80 / 1.80
1.00 / 2.00
1.20 / 2.68
1.20 / 2.68
1.40 / 3.08
2.50 / 4.50
3.00 / 5.43
70 ºC
0.70 / 1.58
0.70 / 1.58
0.90 / 1.80
1.10 / 2.46
1.10 / 2.46
1.20 / 2.64
2.20 / 3.96
2.60 / 4.70
85 ºC
0.50 / 1.13
0.50 / 1.13
0.70 / 1.40
0.90 / 2.01
0.90 / 2.01
0.90 / 1.98
1.70 / 3.06
2.10 / 3.80
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
MF-S Series - PTC Resettable Fuses
Product Dimensions
A
Model
B
Min.
19.9
(0.783)
21.3
(0.839)
20.9
(0.823)
21.3
(0.839)
28.4
(1.119)
30.6
(1.205)
MF-S120
MF-S150
MF-S175
MF-S200
MF-S350
MF-S420
Max.
22.1
(0.870)
23.4
(0.921)
23.1
(0.909)
23.4
(0.921)
31.8
(1.252)
32.4
(1.276)
Min.
4.9
(0.193)
10.2
(0.402)
4.9
(0.193)
10.2
(0.402)
13.0
(0.512)
12.9
(0.508)
C
Max.
5.2
(0.205)
11.0
(0.433)
5.2
(0.205)
11.0
(0.433)
13.5
(0.531)
13.6
(0.535)
Min.
0.6
(0.024)
0.5
(0.020)
0.6
(0.024)
0.5
(0.020)
0.5
(0.020)
0.5
(0.020)
D
Max.
1.0
(0.039)
1.1
(0.043)
1.0
(0.039)
1.1
(0.043)
1.1
(0.043)
1.1
(0.043)
Min.
5.5
(0.217)
4.1
(0.161)
4.1
(0.161)
5.0
(0.197)
6.3
(0.248)
5.0
(0.197)
F
Max.
7.5
(0.295)
5.5
(0.217)
5.5
(0.217)
7.6
(0.299)
8.9
(0.350)
7.5
(0.295)
Packaging: Bulk - 500 pcs. per bag. Tape and Reel - Consult factory.
Min.
3.8
(0.150)
4.8
(0.189)
3.8
(0.150)
4.8
(0.189)
6.0
(0.236)
6.0
(0.236)
Max.
4.1
(0.161)
5.4
(0.213)
4.1
(0.161)
5.4
(0.213)
6.6
(0.260)
6.6
(0.260)
DIMENSIONS:
MM
(INCHES)
A
Typical Part Marking
F
B
D
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK
D
C
S120
0180T
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
Terminal material: quarter-hard nickel
PART
IDENTIFICATION
LOT NO.
(T = TAIWAN
S = CHINA)
Typical Time to Trip at 23 ˚C
MF
-S
MF 120
-S
MF 150
-S
MF 175
-S2
00
MF
-S
MF 350
-S4
20
How to Order
MF - S 120
®
Multifuse Product
Designator
Time to Trip (Seconds)
10
Series
S = Axial Leaded “Strap”
Component
Hold Current, Ihold
120-420 (1.20 Amps - 4.20 Amps)
1
0.1
0.01
0.001
MF-S, REV. P, 08/15
1
10
Fault Current (Amps)
100
Specifications are subject to change without notice.
The device characteristics and parameters in this data
sheet can and do vary in different applications and
actual device performance may vary over time.
Users should verify actual device performance in their
specific applications.