Bourns MF-LR190 Ptc resettable fus Datasheet

■ Agency recognition:
PL
IA
N
T
Features
M
■ Axial leaded
*R
oH
S
CO
■ Fully compatible with current industry
■
■
014
4T
■
■
The slotted lead option is currently
available but not, recommended for
new designs.
standards
Weldable nickel terminals
Very low internal resistance
Operating currents to 9.0 amps
RoHS compliant*
MF-LR Series - PTC Resettable Fuses
Electrical Characteristics
Ihold
Model
V max.
Volts
I max.
Amps
MF-LR190
MF-LR190S
MF-LR260
MF-LR260S
MF-LR380
MF-LR450
MF-LR550
MF-LR600
MF-LR730
MF-LR730/20**
MF-LR900/20**
15
15
15
15
15
16
10
10
10
20
20
100
100
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
0.039
0.072
0.020
0.042
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
0.102
0.083
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
1.90
3.90
2.60
5.80
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
9.5
13.0
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
5.0
5.0
Tripped Power
Dissipation
Watts
at 23 °C
Typ.
1.2
1.2
1.3
1.3
2.5
1.4
1.4
2.8
3.0
3.0
3.0
** TÜV recognition and UL approval 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 .................................................... E 174545S
CSA File Number .................................................. CA 110338
TÜV File Number .................................................. R2057213
Thermal Derating Chart - Ihold (Amps)
Model
MF-LR190
MF-LR190S
MF-LR260
MF-LR260S
MF-LR380
MF-LR450
MF-LR550
MF-LR600
MF-LR730
MF-LR730/20
MF-LR900/20
-40 ºC
2.8
2.8
3.8
3.8
5.5
6.5
8.0
8.7
10.5
10.5
12.7
-20 ºC
2.5
2.5
3.4
3.4
4.9
5.8
7.1
7.8
9.5
9.5
11.4
0 ºC
2.3
2.3
3.1
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
1.9
1.6
1.5
2.6
2.2
2.0
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
1.4
1.9
1.9
2.8
3.3
4.0
4.4
6.2
6.2
6.2
70 ºC
1.2
1.2
1.7
1.7
2.5
2.9
3.6
3.9
5.5
5.5
5.5
85 ºC
1.0
1.0
1.4
1.4
2.1
2.5
3.0
3.3
4.5
4.5
4.5
*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.
Itrip is approximately two times Ihold.
Applications
Any application that requires protection at low
resistances:
■ Rechargeable battery pack protection
■ Cellular phones
■ Laptop computers
MF-LR Series - PTC Resettable Fuses
Product Dimensions
A
Model
MF-LR190
MF-LR190S
MF-LR260
MF-LR260S
MF-LR380
MF-LR450
MF-LR550
MF-LR600
MF-LR730
MF-LR730/20
MF-LR900/20
Packaging:
Min.
19.9
(0.783)
19.9
(0.783)
20.9
(0.823)
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)
B
Max.
22.1
(0.870)
22.1
(0.870)
23.1
(0.909)
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)
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)
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)
0.6
(0.024)
0.6
(0.024)
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)
1.0
(0.039)
1.0
(0.039)
1.3
(0.051)
Min.
5.5
(0.217)
5.5
(0.217)
4.1
(0.161)
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)
7.5
(0.295)
5.5
(0.217)
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)
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)
Bulk - 500 pcs. per bag.
Tape and Reel - Consult factory.
Pkg.
Style
Max.
4.1
(0.161)
4.1
(0.161)
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)
Std.
S
Std.
S
Std.
Std.
Std.
Std.
Std.
Std.
Std.
DIMENSIONS:
Standard Style
"S" Style
SLIT
4.0
0.5
X
NOMINAL
(.020) (.157)
MM
(INCHES)
Typical Part Marking
A
A
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK
F
B
F
B
D
D
D
D
C
C
LR190
0144T
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
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.
PART
IDENTIFICATION
LOT NO.
(T = TAIWAN
S = CHINA)
MF-LR Series - PTC Resettable Fuses
Typical Time to Trip at 23 ˚C
How to Order
MF - LR 730/20 S - 0
100
®
Time to Trip (Seconds)
Multifuse Product
Designator
Series
LR = Axial Leaded “Strap”
Component
10
MF-LR900/20
MF-LR730 & MF-LR730/20
MF-LR600
MF-LR550
MF-LR450
MF-LR380
1
MF-LR260
MF-LR190
Hold Current, Ihold/Vmax*
190-900 (1.90 Amps - 9.00 Amps)
Lead Option
S = Slotted Lead Option**
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
-2 =
Tape and Reel***
*Vmax entry applies only to Models
MF-LR730/20 & MF-LR900/20.
.01
1
10
Fault Current
(Amps)
100
**Slotted Lead Option applies only to Models
MF-LR190 & MF-LR260. This option is currently
available but not recommended for new designs.
***Packaged per EIA 486-B
MF-LR SERIES, REV. Q, 12/13
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, 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)
DIMENSIONS:
MM
(INCHES)
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.