BOURNS MF

IA
NT
Features
CO
M
PL
■
*R
oH
S
■
■
L
014 S190
4T
■
■
■
Applications
Axial/radial leaded
Fully compatible with current
industry standards
Weldable nickel terminals
Very low internal resistance
RoHS compliant*, lead free
Agency recognition:
Any application that requires extra
protection at elevated ambient temperatures,
which the 100°C trip temperature provides.
■ Rechargeable battery pack protection
■ Cellular phones
■ Laptop computers
T V Rheinland
MF-LS Series - PTC Resettable Fuses
Electrical Characteristics
Ihold
Model
MF-LS070
MF-LS070S
MF-LS100S
MF-LS180
MF-LS180L
MF-LS180S
MF-LS190
MF-LS190RU
MF-LS260
MF-LS300
MF-LS340
V max.
Volts
I max.
Amps
15
15
24
24
24
24
24
15
24
24
24
100
100
100
100
100
100
100
100
100
100
100
Itrip
Amperes
at 23 °C
Hold
Trip
0.7
0.7
1.0
1.8
1.8
1.8
1.9
1.9
2.6
3.0
3.4
1.5
1.5
2.5
3.8
3.8
3.8
4.2
4.2
5.2
6.3
6.8
Initial
Resistance
Ohms
at 23 °C
Min.
Max.
0.100
0.100
0.070
0.040
0.040
0.040
0.030
0.030
0.025
0.015
0.016
0.200
0.200
0.130
0.068
0.068
0.068
0.057
0.057
0.042
0.031
0.027
1 Hour (R1)
Post-Trip
Resistance
Max. Time
To Trip
Tripped
Power
Dissipation
Ohms
at 23 °C
Max.
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Typ.
0.340
0.340
0.260
0.120
0.120
0.120
0.100
0.100
0.076
0.055
0.050
3.5
3.5
5
9
9
9
10
10
13
15
17
5.0
5.0
7.0
2.9
2.9
2.9
3.0
3.0
5.0
4.0
5.0
1.0
1.0
1.5
2.0
2.0
2.0
1.9
1.9
2.3
2.0
2.7
Note: Slotted option available on all models.
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 ....................................±10 % typical resistance change
Humidity Aging....................................................+85 °C, 85 % R.H. 7 days ..........................±5 % typical resistance change
Vibration ..............................................................MIL-STD-883C, ..........................................No change
Condition A
Test Procedures And Requirements For Model MF-LS 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 ..................................................E 174545S
CSA File Number ................................................CA 110338
TÜV File Number ................................................R2057213
Thermal Derating Chart - Ihold / Itrip (Amps)
Ambient Operating Temperature
Model
MF-LS070
MF-LS070S
MF-LS100S
MF-LS180
MF-LS180L
MF-LS180S
MF-LS190
MF-LS190RU
MF-LS260
MF-LS300
MF-LS340
-40 °C
1.20 / 2.57
1.20 / 2.57
1.80 / 4.50
3.10 / 6.54
3.10 / 6.54
3.10 / 6.54
3.30 / 7.29
3.30 / 7.29
4.30 / 8.60
5.10 / 10.7
5.50 / 11.0
-20 °C
1.09 / 2.33
1.09 / 2.33
1.60 / 4.00
2.60 / 5.49
2.60 / 5.49
2.60 / 5.49
2.80 / 6.19
2.80 / 6.19
3.70 / 7.40
4.40 / 9.24
4.70 / 9.40
0 °C
0.85 / 1.82
0.85 / 1.82
1.40 / 3.50
2.20 / 4.64
2.20 / 4.64
2.20 / 4.64
2.40 / 5.31
2.40 / 5.31
3.10 / 6.20
3.70 / 7.77
4.00 / 8.00
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
23 °C
0.70 / 1.50
0.70 / 1.50
1.00 / 2.50
1.80 / 3.80
1.80 / 3.80
1.80 / 3.80
1.90 / 4.20
1.90 / 4.20
2.60 / 5.20
3.00 / 6.30
3.40 / 6.80
40 °C
0.50 / 1.07
0.50 / 1.07
0.80 / 2.00
1.30 / 2.74
1.30 / 2.74
1.30 / 2.74
1.40 / 3.09
1.40 / 3.09
1.90 / 3.80
2.30 / 4.83
2.60 / 5.20
50 °C
0.45 / 0.96
0.45 / 0.96
0.70 / 1.75
1.10 / 2.32
1.10 / 2.32
1.10 / 2.32
1.20 / 2.65
1.20 / 2.65
1.60 / 3.20
1.90 / 3.99
2.20 / 4.40
60 °C
0.35 / 0.75
0.35 / 0.75
0.60 / 1.50
0.90 / 1.90
0.90 / 1.90
0.90 / 1.90
1.10 / 2.43
1.10 / 2.43
1.40 / 2.80
1.60 / 3.36
1.90 / 3.80
70 °C
0.28 / 0.60
0.28 / 0.60
0.40 / 1.00
0.60 / 1.27
0.60 / 1.27
0.60 / 1.27
0.70 / 1.55
0.70 / 1.55
1.10 / 2.20
1.20 / 2.52
1.50 / 3.00
85 °C
0.16 / 0.34
0.16 / 0.34
0.20 / 0.50
0.20 / 0.42
0.20 / 0.42
0.20 / 0.42
0.40 / 0.88
0.40 / 0.88
0.60 / 1.20
0.60 / 1.26
0.80 / 1.60
Additional Features
Patents pending
■
MF-LS Series - PTC Resettable Fuses
Product Dimensions
Model
MF-LS070
MF-LS070S
MF-LS100S
MF-LS180
MF-LS180L
MF-LS180S
MF-LS190
MF-LS190RU
MF-LS260
MF-LS300
MF-LS340
A
Min.
19.9
(0.783)
19.9
(0.783)
20.9
(0.823)
24.0
(0.945)
35.0
(1.38)
24.0
(0.945)
21.3
(0.839)
19.8
(0.780)
24.0
(0.945)
28.4
(1.118)
24.0
(0.945)
B
Max.
22.1
(0.870)
22.1
(0.870)
23.1
(0.909)
26.0
(1.024)
37.5
(1.48)
26.0
(1.024)
23.4
(0.921)
20.8
(0.819)
26.0
(1.024)
31.8
(1.252)
26.0
(1.024)
Min.
4.9
(0.193)
4.9
(0.193)
4.9
(0.193)
4.9
(0.193)
4.9
(0.193)
4.9
(0.193)
10.2
(0.402)
13.3
(0.524)
10.8
(0.425)
13.0
(0.512)
14.8
(0.583)
C
Max.
5.2
(0.205)
5.2
(0.205)
5.2
(0.205)
5.2
(0.205)
5.6
(0.22)
5.2
(0.205)
11.0
(0.433)
14.3
(0.563)
11.9
(0.469)
13.5
(0.531)
15.9
(0.626)
Packaging: Bulk - 500 pcs. per bag.
Tape and Reel - Consult factory.
Min.
0.7
(0.028)
0.7
(0.028)
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
0.5
(0.020)
0.4
(0.016)
0.6
(0.024)
0.5
(0.020)
0.6
(0.024)
D
Max.
1.2
(0.047)
1.2
(0.047)
1.0
(0.039)
1.0
(0.039)
1.0
(0.039)
1.0
(0.039)
1.1
(0.043)
0.76
(0.030)
1.0
(0.039)
1.1
(0.043)
1.0
(0.039)
Min.
5.5
(0.217)
5.5
(0.217)
4.1
(0.161)
4.1
(0.161)
9.6
(0.38)
4.1
(0.161)
5.0
(0.197)
8.1
(0.319)
5.0
(0.197)
6.3
(0.248)
4.0
(0.158)
S Style
SLIT
Max.
4.1
(0.161)
4.1
(0.161)
4.1
(0.161)
4.1
(0.161)
4.2
(0.17)
4.1
(0.161)
5.4
(0.213)
4.1
(0.161)
6.1
(0.240)
6.6
(0.260)
6.1
(0.240
DIMENSIONS =
Pkg.
Style
Std.
S
S
Std.
Std.
S
Std.
RU
Std.
Std.
Std.
MM
(INCHES)
RU Style
4.0
0.5
X
NOMINAL
(.020) (.157)
A
A
F
Min.
3.8
(0.150)
3.9
(0.154)
3.8
(0.150)
3.8
(0.150)
3.8
(0.150)
3.8
(0.150)
4.8
(0.189)
3.8
(0.150)
5.9
(0.232)
6.0
(0.236)
6.0
(0.236)
NOTE: Longer lead option available. Consult factory.
Standard Style
B
F
Max.
7.5
(0.295)
7.5
(0.295)
5.5
(0.217)
5.5
(0.217)
10.0
(0.40)
5.5
(0.217)
7.6
(0.299)
9.5
(0.374)
7.0
(0.276)
8.9
(0.350)
5.0
(0.197)
A
F
B
B
D
D
D
C
D
D
C
F
F
C
Terminal material: quarter-hard nickel
Typical Part Marking
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK
LS180
0144T
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
PART
IDENTIFICATION
LOT NO.
(T = TAIWAN
S = CHINA)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-LS Series - PTC Resettable Fuses
Typical Time to Trip at 23 °C
How To Order
MF-LS models offer trip temperatures lower than MF-S models for extra
protection at elevated temperatures.
MF - LS 100 S - __
Multifuse® Product
Designator
MF
MF LS07
-LS 0
070
MF
-LS S
MF 100S
MF LS18
MF-LS180
-L 0
MF S180L
MF-LS19 S
-L 0
MF S190
-LS RU
MF 260
-L
MF S300
-LS
340
Series
LS = Axial Leaded “Strap” Component
Hold Current, Ihold
70-340 (0.70 Amps - 3.40 Amps)
Lead Option
S = Slotted Lead Option
RU = Radial Lead Option
Packaging Options
- __ = Bulk Packaging
- 2 = Tape and Reel*
10
Time to Trip (Seconds)
*Packaged per EIA486-B
1
0.001
1
10
Fault Current
100
(Amps)
MF-LS, REV. H, 11/04
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-S, MF-LS, MF-LR and MF-VS Series Tape and Reel Specifications
Taped Component Dimensions
48.0 ± 0.3
(1.90 ± .012)
12.0 ± 0.1
(.472 ± .004)
4.0 ± 0.1
(.157 ± .004)
1.0 + 0.1/ -0
(.039 + .004/-0)
0.2
MAX.
(.008)
DIA.
5.56 ± 0.10
(.219 ± .004)
2.0
(.079)
RADIUS
8.0 ± 0.2
(.315 ± .008)
PASTEBOARD
HOLD
4.0 ± 0.2
(.157 ± .008)
PASTEBOARD
HOLD
Reel Dimensions
13.0
(.512)
DIA.
330
(13.0)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.