MF-LR550S Bourns Inc., MF-LR550S Datasheet - Page 2
![PTC Resettable Fuses 20Volt Imax 100Amps Slotted Lead](/photos/31/7/310786/mf-lr_sml.jpg)
MF-LR550S
Manufacturer Part Number
MF-LR550S
Description
PTC Resettable Fuses 20Volt Imax 100Amps Slotted Lead
Manufacturer
Bourns Inc.
Type
PTC Resettable Fusesr
Series
MF-LRr
Datasheet
1.MF-LR730.pdf
(4 pages)
Specifications of MF-LR550S
Hold Current
5.5 Amps
Trip Current
10.5 Amps
Current Rating (max)
100 Amps
Resistance
0.019 Ohms
Maximum Voltage
20 VoltsDC
Termination Style
Axial
Mounting Style
Snap In
Current Rating
100 Amps
Dimensions
21.6 mm L x 7.5 mm W x 1 mm H
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Standard Style
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Packaging: Bulk - 500 pcs. per bag.
B
MF-LR190
MF-LR190S
MF-LR260
MF-LR260S
MF-LR380
MF-LR450
MF-LR550
MF-LR600
MF-LR730
MF-LR730/20
MF-LR900/20
Product Dimensions
Model
MF-LR Series -
D
(0.783)
(0.783)
(0.823)
(0.823)
(0.945)
(0.945)
(1.378)
(0.945)
(1.067)
(1.787)
(1.18)
Min.
19.9
19.9
20.9
20.9
24.0
24.0
35.0
24.0
30.0
27.1
45.4
A
A
(0.870)
(0.870)
(0.909)
(0.909)
(1.024)
(1.024)
(1.457)
(1.024)
(1.146)
(1.146)
(1.874)
Max.
22.1
22.1
23.1
23.1
26.0
26.0
37.0
26.0
29.1
29.1
47.6
D
PTC Resettable Fuses
Tape and Reel - Consult factory.
F
(0.193)
(0.193)
(0.193)
(0.193)
(0.272)
(0.390)
(0.272)
(0.547)
(0.547)
(0.547)
(0.311)
Min.
13.9
13.9
13.9
4.9
4.9
4.9
4.9
6.9
9.9
6.9
7.9
C
B
"S" Style
S Style
B
(0.205)
(0.205)
(0.205)
(0.205)
(0.295)
(0.414)
(0.295)
(0.626)
(0.590)
(0.571)
(0.335)
Max.
10.5
15.9
15.0
14.5
5.2
5.2
5.2
5.2
7.5
7.5
8.5
D
(0.024)
(0.024)
(0.024)
(0.024)
(0.024)
(0.024)
(0.024)
(0.024)
(0.024)
(0.024)
(0.024)
SLIT
Min.
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
(.020)
0.5
A
X
(.157)
C
4.0
(0.039)
(0.039)
(0.039)
(0.039)
(0.039)
(0.039)
(0.039)
(0.039)
(0.039)
(0.039)
(0.051)
NOMINAL
Max.
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.3
D
(0.217)
(0.217)
(0.161)
(0.161)
(0.161)
(0.209)
(0.209)
(0.161)
(0.161)
(0.161)
(0.181)
Min.
F
5.5
5.5
4.1
4.1
4.1
5.3
5.3
4.1
4.1
4.1
4.6
C
D
Represents total content. Layout may vary.
Typical Part Marking
(0.295)
(0.295)
(0.217)
(0.217)
(0.217)
(0.264)
(0.264)
(0.217)
(0.217)
(0.217)
(0.362)
Max.
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
7.5
7.5
5.5
5.5
5.5
6.7
6.7
5.5
5.5
5.5
9.2
MANUFACTURER'S
TRADEMARK
(0.154)
(0.154)
(0.154)
(0.154)
(0.193)
(0.232)
(0.193)
(0.232)
(0.232)
(0.232)
(0.232)
Min.
3.9
3.9
3.9
3.9
4.9
5.9
4.9
5.9
5.9
5.9
5.9
LR190
0144T
DIMENSIONS =
F
(0.161)
(0.161)
(0.161)
(0.161)
(0.201)
(0.240)
(0.201)
(0.240)
(0.240)
(0.240)
(0.240)
LOT NO.
(T = TAIWAN
Max.
S = CHINA)
PART
IDENTIFICATION
4.1
4.1
4.1
4.1
5.1
6.1
5.1
6.1
6.1
6.1
6.1
(INCHES)
Style
Pkg.
Std.
Std.
Std.
Std.
Std.
Std.
Std.
Std.
Std.
MM
S
S