Bourns PTC fuse Current I(H) 2.6 A 15 V (L x W x H) 23.1 x 5.2 x 1 mm MF-LR260 1 pc(s) MF-LR260 数据表
产品代码
MF-LR260
Features
■
Axial leaded
■
Fully compatible with current industry
standards
■
Weldable nickel terminals
■
Very low internal resistance
■
Operating currents to 9.0 amps
■
RoHS compliant*
■
Agency recognition:
Applications
Any application that requires protection at low
resistances:
resistances:
■
Rechargeable battery pack protection
■
Cellular phones
■
Laptop computers
MF-LR Series - PTC Resettable Fuses
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
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 ....................................................... +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, ..................................................... No change
Maximum Device Surface Temperature
in Tripped State ................................................ 125 °C
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, ..................................................... No change
Condition
A
Test Procedures And Requirements For Model MF-LR 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
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-LR190
2.8
2.5
2.3
1.9
1.6
1.5
1.4
1.2
1.0
MF-LR190S
2.8
2.5
2.3
1.9
1.6
1.5
1.4
1.2
1.0
MF-LR260
3.8
3.4
3.1
2.6
2.2
2.0
1.9
1.7
1.4
MF-LR260S
3.8
3.4
3.1
2.6
2.2
2.0
1.9
1.7
1.4
MF-LR380
5.5
4.9
4.4
3.8
3.3
3.0
2.8
2.5
2.1
MF-LR450
6.5
5.8
5.3
4.5
3.9
3.6
3.3
2.9
2.5
MF-LR550
8.0
7.1
6.2
5.5
4.7
4.3
4.0
3.6
3.0
MF-LR600 8.7
7.8
7.1
6.0
5.2
4.7
4.4
3.9
3.3
MF-LR730 10.5
9.5
8.6
7.3
7.4
6.8
6.2
5.5
4.5
MF-LR730/20 10.5
9.5
8.6
7.3
7.4
6.8
6.2
5.5
4.5
MF-LR900/20 12.7
11.4
10.0
9.0
7.5
6.8
6.2
5.5
4.5
** TÜV recognition and UL approval pending.
Model
V max.
Volts
I max.
Amps
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-LR190
15
100
1.90
3.90
0.039
0.072
0.102
9.5
5.0
1.2
MF-LR190S
15
100
1.90
3.90
0.039
0.072
0.102
9.5
5.0
1.2
MF-LR260
15
100
2.60
5.80
0.020
0.042
0.083
13.0
5.0
1.3
MF-LR260S
15
100
2.60
5.80
0.020
0.042
0.083
13.0
5.0
1.3
MF-LR380
15
100
3.80
8.30
0.013
0.026
0.037
19.0
5.0
2.5
MF-LR450
16
100
4.50
8.90
0.011
0.020
0.028
22.5
5.0
1.4
MF-LR550
10
100
5.50
10.50
0.009
0.019
0.022
27.5
5.0
1.4
MF-LR600
10
100
6.00
11.70
0.007
0.014
0.019
30.0
5.0
2.8
MF-LR730
10
100
7.30
14.10
0.006
0.012
0.015
30.0
5.0
3.0
MF-LR730/20**
20
100
7.30
14.10
0.006
0.012
0.015
30.0
5.0
3.0
MF-LR900/20**
20
100
9.00
16.70
0.006
0.010
0.014
45.0
5.0
3.0
0144T
Itrip is approximately two times Ihold.