MF-LR260S Bourns Inc., MF-LR260S Datasheet
MF-LR260S
Manufacturer Part Number
MF-LR260S
Description
PTC Resettable Fuses 15Volt Imax 100Amps
Manufacturer
Bourns Inc.
Type
PTC Resettable Fusesr
Series
MF-LRr
Datasheet
1.MF-LR730.pdf
(4 pages)
Specifications of MF-LR260S
Hold Current
2.6 Amps
Trip Current
5.8 Amps
Current Rating (max)
100 Amps
Resistance
0.042 Ohms
Maximum Voltage
15 VoltsDC
Termination Style
Axial
Mounting Style
Snap In
Current Rating
100 Amps
Dimensions
9.9 mm L x 5.2 mm W x 1 mm H
Operating Temperature Range
- 40 C to + 85 C
Initial Resistance (min)
20mOhm
Initial Resistance (max)
42mOhm
Voltage Rating Max
15V
Trip Time (max)
5@13As
Power Dissipation (typ)
2.5W
Post Trip Resistance (max)
83mOhm
Wire Form
Not Required
Agency Approvals
CSA/TUV/UL
Operating Temperature Min Deg. C
-40C
Operating Temperature Max Deg. C
85C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
*
*I trip is approximately two times I hold.
Operating/Storage Temperature ........................-40 °C to +85 °C
Maximum Device Surface Temperature
Passive Aging......................................................+70 °C, 1000 hours ....................................±10 % typical resistance change
Humidity Aging....................................................+85 °C, 85 % R.H. 7 days ..........................±10 % typical resistance change
Vibration ..............................................................MIL-STD-883C, 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
UL File Number ..................................................E 174545S
CSA File Number ................................................CA 110338
TÜV File Number ................................................R2057213
Electrical Characteristics
TÜV recognition pending.
MF-LR190
MF-LR190S
MF-LR260
MF-LR260S
MF-LR380
MF-LR450
MF-LR550
MF-LR600
MF-LR730
MF-LR730/20*
MF-LR900/20*
Thermal Derating Chart - I hold (Amps)
in Tripped State ................................................125 °C
MF-LR190
MF-LR190S
MF-LR260
MF-LR260S
MF-LR380
MF-LR450
MF-LR550
MF-LR600
MF-LR730
MF-LR730/20
MF-LR900/20
Model
Environmental Characteristics
Test Procedures And Requirements For Model MF-LR Series
Model
V max.
Volts
15
15
15
15
15
16
10
10
10
20
20
-40 °C
10.5
10.5
12.7
2.8
2.8
3.8
3.8
5.5
6.5
8.0
8.7
I max.
Amps
100
100
100
100
100
100
100
100
100
100
100
-20 °C
11.4
2.5
2.5
3.4
3.4
4.9
5.8
7.1
7.8
9.5
9.5
I hold
Hold
1.90
1.90
2.60
2.60
3.80
4.50
5.50
6.00
7.30
7.30
9.00
MF-LR Series -
Test Conditions
Amperes
At 23 °C
Features
Axial leaded
Fully compatible with current
industry standards
Weldable nickel terminals
Very low internal resistance
Operating currents to 9.0 Amps
RoHS compliant*
0 °C
10.0
2.3
2.3
3.1
3.1
4.4
5.3
6.2
7.1
8.6
8.6
10.50
11.70
14.10
14.10
16.70
I trip
3.90
3.90
5.80
5.80
8.30
8.90
Trip
Ambient Operating Temperature
23 °C
1.9
1.9
2.6
2.6
3.8
4.5
5.5
6.0
7.3
7.3
9.0
0.039
0.039
0.020
0.020
0.013
0.011
0.009
0.007
0.006
0.006
0.006
Min.
Resistance
PTC Resettable Fuses
At 23 °C
Initial
Ohms
40 °C
Customers should verify actual device performance in their specific applications.
1.6
1.6
2.2
2.2
3.3
3.9
4.7
5.2
7.4
7.4
7.5
0.072
0.072
0.042
0.042
0.026
0.020
0.019
0.014
0.012
0.012
0.010
Max.
Accept/Reject Criteria
50 °C
1.5
1.5
2.0
2.0
3.0
3.6
4.3
4.7
6.8
6.8
6.8
1 Hour (R 1 )
Resistance
At 23 °C
Post-Trip
Ohms
0.102
0.102
0.083
0.083
0.037
0.028
0.022
0.019
0.015
0.015
0.014
Max.
Applications
*
Agency recognition:
Any application that requires protection
at low resistances
Rechargeable battery packs
Cellular phones
Laptop computers
RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
60 °C
Amperes Seconds
At 23 °C
1.4
1.4
1.9
1.9
2.8
3.3
4.0
4.4
6.2
6.2
6.2
13.0
13.0
19.0
22.5
27.5
30.0
30.0
30.0
45.0
9.5
9.5
Max. Time
To Trip
At 23 °C
70 °C
1.2
1.2
1.7
1.7
2.5
2.9
3.6
3.9
5.5
5.5
5.5
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Dissipation
At 23 °C
Tripped
Watts
Power
85 °C
T V Rheinland
Typ.
1.2
1.2
1.3
2.5
2.5
1.4
1.4
2.8
3.0
3.0
3.0
1.0
1.0
1.4
1.4
2.1
2.5
3.0
3.3
4.5
4.5
4.5
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MF-LR260S Summary of contents
Page 1
... CSA File Number ................................................CA 110338 TÜV File Number ................................................R2057213 Thermal Derating Chart - I hold (Amps) Model -40 °C -20 °C MF-LR190 2.8 2.5 MF-LR190S 2.8 2.5 MF-LR260 3.8 3.4 MF-LR260S 3.8 3.4 MF-LR380 5.5 4.9 MF-LR450 6.5 5.8 MF-LR550 8.0 7.1 MF-LR600 8.7 7.8 MF-LR730 10 ...
Page 2
... Model Min. Max. 19.9 22.1 MF-LR190 (0.783) (0.870) 19.9 22.1 MF-LR190S (0.783) (0.870) 20.9 23.1 MF-LR260 (0.823) (0.909) 20.9 23.1 MF-LR260S (0.823) (0.909) 24.0 26.0 MF-LR380 (0.945) (1.024) 24.0 26.0 MF-LR450 (0.945) (1.024) 35.0 37.0 MF-LR550 (1.378) (1.457) 24.0 26.0 MF-LR600 (0 ...
Page 3
... Bulk Packaging Designator for Models MF-LR730/20 and MF-LR900/ Tape and Reel*** *Vmax entry applies only to Models MF-LR730/20 & MF-LR900/20. **Slotted Lead Option applies only to Models MF- LR190 & MF-LR260. ***Packaged per EIA 486-B MF-LR SERIES, REV. O, 02/08 Specifications are subject to change without notice. ...
Page 4
... MF-S, MF-LS, MF-LR and MF-VS Series Tape and Reel Specifications Taped Component Dimensions 1.0 + 0.1/ -0 (.039 + .004/-0) DIA. 5.56 ± 0.10 (.219 ± .004) Reel Dimensions 330 (13.0) 48.0 ± 0.3 (1.90 ± .012) 12.0 ± 0.1 (.472 ± .004) 4.0 ± 0.1 (.157 ± ...