MF-S420S Bourns Inc., MF-S420S Datasheet - Page 2

• Manufacturer Part Number: MF-S420S
• Description: PTC Resettable Fuses 30Volts 100Amps Hold 4.2A Trip 7.6A
• Manufacturer: Bourns Inc.
• Type: PTC Resettable Fusesr
• Series: MF-Sr

Specifications of MF-S420S

• Hold Current: 4.2 Amps
• Trip Current: 7.6 Amps
• Current Rating (max): 100 Amps
• Resistance: 0.024 Ohms
• Maximum Voltage: 30 VoltsDC
• Termination Style: Axial
• Mounting Style: Snap In
• Current Rating: 100 Amps
• Dimensions: 32.4 mm L x 13.6 mm W x 1.1 mm H
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Terminal material: quarter-hard nickel
Packaging: Bulk - 500 pcs. per bag.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Additional Features
MF-S120
MF-S120S
MF-S150
MF-S175
MF-S175S
MF-S200
MF-S350
MF-S420
Product Dimensions
Patents pending
Standard Style
Model
B
MF-S Series -
Tape and Reel - Consult factory.
D
(0.783)
(0.783)
(0.839)
(0.823)
(0.823)
(0.839)
(1.119)
(1.205)
Min.
19.9
19.9
21.3
20.9
20.9
21.3
28.4
30.6
A
A
(0.870)
(0.870)
(0.921)
(0.909)
(0.909)
(0.921)
(1.252)
(1.276)
Max.
22.1
22.1
23.4
23.1
23.1
23.4
31.8
32.4
PTC Resettable Fuses
(0.193)
(0.193)
(0.402)
(0.193)
(0.193)
(0.402)
(0.512)
(0.508)
Min.
10.2
10.2
13.0
12.9
4.9
4.9
4.9
4.9
D
B
F
C
(0.205)
(0.205)
(0.433)
(0.205)
(0.205)
(0.433)
(0.531)
(0.535)
Max.
11.0
11.0
13.5
13.6
5.2
5.2
5.2
5.2
"S" Style
B
(0.024)
(0.024)
(0.020)
(0.024)
(0.024)
(0.020)
(0.020)
(0.020)
Min.
0.6
0.6
0.5
0.6
0.6
0.5
0.5
0.5
D
C
(0.039)
(0.039)
(0.043)
(0.039)
(0.039)
(0.043)
(0.043)
(0.043)
Max.
1.0
1.0
1.1
1.0
1.0
1.1
1.1
1.1
SLIT
(.020)
0.5
A
X
(0.217)
(0.217)
(0.161)
(0.161)
(0.161)
(0.197)
(0.248)
(0.197)
(.157)
Min.
5.5
5.5
4.1
4.1
4.1
5.0
6.3
5.0
4.0
Represents total content. Layout may vary.
Typical Part Marking
NOMINAL
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
D
(0.295)
(0.295)
(0.217)
(0.217)
(0.217)
(0.217)
(0.350)
(0.295)
Max.
D
7.5
7.5
5.5
5.5
5.5
7.6
8.9
7.5
MANUFACTURER'S
TRADEMARK
F
0180T
S120
C
(0.150)
(0.150)
(0.189)
(0.150)
(0.150)
(0.189)
(0.236)
(0.236)
DIMENSIONS =
Min.
3.8
3.8
4.8
3.8
3.8
4.8
6.0
6.0
LOT NO.
(T = TAIWAN
S = CHINA)
PART
IDENTIFICATION
F
(0.161)
(0.161)
(0.213)
(0.161)
(0.161)
(0.213)
(0.260)
(0.260)
Max.
4.1
4.1
5.4
4.1
4.1
5.4
6.6
6.6
(INCHES)
MM