MF-LR550 Bourns Inc., MF-LR550 Datasheet - Page 2

• Manufacturer Part Number: MF-LR550
• Description: PTC Resettable Fuses 20Volt Imax 100Amps
• Manufacturer: Bourns Inc.
• Type: PTC Resettable Fusesr
• Series: MF-LRr

Specifications of MF-LR550

• 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