mflr

*
*RRo
oHHS
VS C
AV ER COOM
AI SIOM PL
LA N PL IA
BL S IA NT
NT
E
Features
■ Agency recognition:
■ Axial leaded
■ Fully compatible with current industry
standards
■ Weldable nickel terminals
■ Very low internal resistance
014
4T
■ Operating currents to 9.0 amps
■ RoHS compliant*
3006 - Series
Trimpot®
Potentiometer
MF-LR
- PTCTrimming
Resettable
Fuses
Electrical Characteristics
Ihold
Model
V max.
Volts
I max.
Amps
MF-LR190
MF-LR260
MF-LR380
MF-LR450
MF-LR550
MF-LR600
MF-LR730
MF-LR730/20**
MF-LR900/20**
15
15
15
16
10
10
10
20
20
100
100
100
100
100
100
100
100
100
Initial
Resistance
1 Hour (R1)
Post-Trip
Resistance
Ohms
at 23 °C
Min.
Max.
0.039
0.072
0.020
0.042
0.013
0.026
0.011
0.020
0.009
0.019
0.007
0.014
0.006
0.012
0.006
0.012
0.006
0.010
Ohms
at 23 °C
Max.
0.102
0.083
0.037
0.028
0.022
0.019
0.015
0.015
0.014
Itrip
Amperes
at 23 °C
Hold
Trip
1.90
3.90
2.60
5.80
3.80
8.30
4.50
8.90
5.50
10.50
6.00
11.70
7.30
14.10
7.30
14.10
9.00
16.70
Max. Time
to Trip
Amperes
at 23 °C
Seconds
at 23 °C
9.5
13.0
19.0
22.5
27.5
30.0
30.0
30.0
45.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Tripped Power
Dissipation
Watts
at 23 °C
Typ.
1.2
1.3
2.5
1.4
1.4
2.8
3.0
3.0
3.0
** TÜV and UL recognition pending.
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
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 ≤ 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 (Amps)
Model
MF-LR190
MF-LR260
MF-LR380
MF-LR450
MF-LR550
MF-LR600
MF-LR730
MF-LR730/20
MF-LR900/20
-40 ºC
2.8
3.8
5.5
6.5
8.0
8.7
10.5
10.5
12.7
-20 ºC
2.5
3.4
4.9
5.8
7.1
7.8
9.5
9.5
11.4
0 ºC
2.3
3.1
4.4
5.3
6.2
7.1
8.6
8.6
10.0
Ambient Operating Temperature
23 ºC
40 ºC
50 ºC
1.9
1.6
1.5
2.6
2.2
2.0
3.8
3.3
3.0
4.5
3.9
3.6
5.5
4.7
4.3
6.0
5.2
4.7
7.3
7.4
6.8
7.3
7.4
6.8
9.0
7.5
6.8
60 ºC
1.4
1.9
2.8
3.3
4.0
4.4
6.2
6.2
6.2
70 ºC
1.2
1.7
2.5
2.9
3.6
3.9
5.5
5.5
5.5
85 ºC
1.0
1.4
2.1
2.5
3.0
3.3
4.5
4.5
4.5
Itrip is approximately two times Ihold.
*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.
Applications
Any application that requires protection at low
resistances:
■ Rechargeable battery pack protection
■ Cellular phones
■ Laptop computers
3312 -Series
2 mm- SMD
TrimmingFuses
Potentiometer
MF-LR
PTC Resettable
Product Dimensions
A
Model
B
Min.
19.9
(0.783)
20.9
(0.823)
24.0
(0.945)
24.0
(0.945)
35.0
(1.378)
24.0
(0.945)
30.0
(1.18)
27.1
(1.067)
45.4
(1.787)
MF-LR190
MF-LR260
MF-LR380
MF-LR450
MF-LR550
MF-LR600
MF-LR730
MF-LR730/20
MF-LR900/20
Max.
22.1
(0.870)
23.1
(0.909)
26.0
(1.024)
26.0
(1.024)
37.0
(1.457)
26.0
(1.024)
29.1
(1.146)
29.1
(1.146)
47.6
(1.874)
Min.
4.9
(0.193)
4.9
(0.193)
6.9
(0.272)
9.9
(0.390)
6.9
(0.272)
13.9
(0.547)
13.9
(0.547)
13.9
(0.547)
7.9
(0.311)
C
Max.
5.2
(0.205)
5.2
(0.205)
7.5
(0.295)
10.5
(0.414)
7.5
(0.295)
15.9
(0.626)
15.0
(0.590)
14.5
(0.571)
8.5
(0.335)
Min.
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
Packaging: Bulk - 500 pcs. per bag. Tape and Reel - Consult factory.
DIMENSIONS:
A
D
Max.
1.0
(0.039)
1.0
(0.039)
1.0
(0.039)
1.0
(0.039)
1.0
(0.039)
1.0
(0.039)
1.0
(0.039)
1.0
(0.039)
1.3
(0.051)
MM
(INCHES)
Min.
5.5
(0.217)
4.1
(0.161)
4.1
(0.161)
5.3
(0.209)
5.3
(0.209)
4.1
(0.161)
4.1
(0.161)
4.1
(0.161)
4.6
(0.181)
F
Max.
7.5
(0.295)
5.5
(0.217)
5.5
(0.217)
6.7
(0.264)
6.7
(0.264)
5.5
(0.217)
5.5
(0.217)
5.5
(0.217)
9.2
(0.362)
Min.
3.9
(0.154)
3.9
(0.154)
4.9
(0.193)
5.9
(0.232)
4.9
(0.193)
5.9
(0.232)
5.9
(0.232)
5.9
(0.232)
5.9
(0.232)
Max.
4.1
(0.161)
4.1
(0.161)
5.1
(0.201)
6.1
(0.240)
5.1
(0.201)
6.1
(0.240)
6.1
(0.240)
6.1
(0.240)
6.1
(0.240)
Typical Part Marking
Represents total content. Layout may vary.
F
B
MANUFACTURER'S
TRADEMARK
D
D
LR190
0144T
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
C
Typical Time to Trip at 23 ˚C
Time to Trip (Seconds)
100
PART
IDENTIFICATION
LOT NO.
(T = TAIWAN
S = CHINA)
How to Order
MF - LR 730/20 - 0
10
MF-LR900/20
MF-LR730 & MF-LR730/20
MF-LR600
MF-LR550
MF-LR450
MF-LR380
1
MF-LR260
MF-LR190
.01
1
10
Fault Current
(Amps)
100
Multifuse® Product
Designator
Series
LR = Axial Leaded “Strap”
Component
Hold Current, Ihold/Vmax*
190-900 (1.90 Amps - 9.00 Amps)
Packaging Options
-__ =
Bulk Packaging Designator
for Models MF-LR190 through
MF-LR730
-0 =
Bulk Packaging Designator
for Models MF-LR730/20 and
MF-LR900/20
*Vmax entry applies only to Models
MF-LR730/20 & MF-LR900/20.
**Packaged per EIA 486-B
MF-LR SERIES, REV. T, 08/15
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.