MF-RX040/72-0 Bourns Inc., MF-RX040/72-0 Datasheet - Page 4

• Manufacturer Part Number: MF-RX040/72-0
• Description: FUSE PTC RESETTABLE 0.4A HOLD
• Manufacturer: Bourns Inc.
• Series: MF-RXr

Specifications of MF-RX040/72-0

• R Min/max: 0.520 ~ 0.860 Ohm
• Voltage - Max: 72V
• Time To Trip: 3.9s
• Current - Hold (ih) (max): 400mA
• Current - Trip (it): 800mA
• Current - Max: 40A
• Package / Case: Radial
• Tripping Current: 0.8A
• Initial Resistance Max: 0.86ohm
• Svhc: No SVHC (15-Dec-2010)
• Approval Category: UL Recognised
• Body Diameter: 7.4mm
• Case Material: Epoxy Polymer
• Current Max: 40A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Radial Leaded Low Voltage Products
MF-R Series
Radial leaded
MF-R005
MF-R010
MF-R017
MF-R020
MF-R025
MF-R030
MF-R040
MF-R050
MF-R065
MF-R075
MF-R090
MF-R090-0-9
MF-R110
MF-R135
MF-R160
MF-R185
MF-R250
MF-R250-0-10
MF-R300
MF-R400
MF-R500
MF-R600
MF-R700
MF-R800
MF-R900
MF-R1100
MF-RG Series
Radial leaded 16 V
Style 1
MF- RG300
MF- RG500
Style 1
Model
Model
A
Side View
A
C
B
Amperes
at 23 °C
I hold
3.0
5.0
Amperes V max.
at 23 °C
11.00
I hold
0.05
0.10
0.17
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
0.90
1.10
1.35
1.60
1.85
2.50
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
B
V max.
Volts
16
16
Style 2
Volts
60
60
60
60
60
60
60
60
60
60
60
30
30
30
30
30
30
30
30
30
30
30
30
30
30
16
End View
A
I max.
C
Amps
100
100
I max.
C
Amps
100
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
B
Resistance
Initial
0.038
0.015
Min.
Resistance
Ohms at 23 °C
Initial
0.065
0.055
0.040
0.025
0.025
0.020
0.010
0.010
0.005
0.005
0.005
0.005
0.003
2.50
2.00
1.50
1.00
0.76
0.52
0.41
0.27
0.18
0.14
0.07
0.10
Min.
7.3
Top and Bottom View
Ohms at 23 °C
Style 2
Style 3
1 Hour (R 1 )
Resistance
Post-Trip
0.0975
0.0340
Max.
A
A
1 Hour (R 1 )
Resistance
0.05-11 Amps Hold Current
Post-Trip
0.014
C
7.50
8.00
4.40
3.00
2.10
1.29
1.17
0.72
0.60
0.47
0.22
0.27
0.17
0.15
0.11
0.07
0.07
0.08
0.05
0.05
0.04
0.03
0.03
0.02
Max.
22.0
B
(0.28)
(0.41)
A Max.
Operating Temperature
10.4
7.1
B
C
Side View
(0.315) (0.327) (0.201)
(0.291) (0.500) (0.201)
(0.291) (0.500) (0.201)
(0.291) (0.500) (0.201)
(0.291) (0.500) (0.201)
(0.291) (0.528) (0.201)
(0.291) (0.539) (0.201)
(0.311) (0.539) (0.201)
(0.382) (0.598) (0.201)
(0.409) (0.630) (0.201)
(0.461) (0.657) (0.201)
(0.291) (0.480) (0.201)
(0.350) (0.551) (0.201)
(0.350) (0.744) (0.201)
(0.402) (0.661) (0.201)
(0.472) (0.724) (0.201)
(0.472) (0.720) (0.201)
(0.472) (0.720) (0.201)
(0.472) (0.720) (0.201)
(0.567) (0.976) (0.201)
(0.685) (0.980) (0.402)
(0.760) (1.256) (0.402)
(0.870) (1.173) (0.402)
(0.953) (1.295) (0.402)
(0.953) (1.295) (0.402)
(0.953) (1.295) (0.402)
A Max.
10.4
11.7
10.2
12.0
12.0
12.0
12.0
14.4
17.4
19.3
22.1
24.2
24.2
24.2
8.0
7.4
7.4
7.4
7.4
7.4
7.4
7.9
9.7
7.4
8.9
8.9
B Max.
(0.43)
(0.56)
11.0
14.3
Dimensions
Style 4
mm/(in)
Dimensions
-40 °C ~ +85 °C
mm/(in)
B Max.
12.7
12.7
12.7
12.7
13.4
13.7
13.7
15.2
16.0
16.7
12.2
14.0
18.9
16.8
18.4
18.3
18.3
18.3
24.8
24.9
31.9
29.8
32.9
32.9
32.9
8.3
A
C
(0.201 ±0.028)
(0.201 ±0.028)
Style 3
5.1 ±0.7
5.1 ±0.7
16-60 Volts
Top and Bottom View
C Max.
B
C Nom.
10.2
10.2
10.2
10.2
10.2
10.2
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
A
Style
Style
Style 5
3
2
2
2
2
2
2
2
2
4
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
2
2
2
B
A
C
Side View
4
C
B
MF-Rht Series
Radial leaded high temperature
MF-RX Series*
Radial leaded
*Not recommended for new designs, suggest using new MF-RX/72 Series
MF-RX/72 Series
Radial leaded
MF-RHT070
MF-RHT200
MF-RHT450
MF-RHT650
MF-RHT750
MF-RHT1300
MF-RX020/72
MF-RX025/72
MF-RX030/72
MF-RX040/72
MF-RX050/72
MF-RX065/72
MF-RX075/72
MF-RX090/72
MF-RX110/72
MF-RX135/72
MF-RX160/72
MF-RX185/72
MF-RX250/72
MF-RX300/72
MF-RX375/72
MF-RX110
MF-RX135
MF-RX160
MF-RX185
MF-RX250
MF-RX300
MF-RX375
Model
Model
Model
Amperes V max.
Amperes
Amperes
at 23 °C
at 23 °C
at 23 °C
I hold
I hold
I hold
13.0
1.10
1.35
1.60
1.85
2.50
3.00
3.75
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
1.10
1.35
1.60
1.85
2.50
3.00
3.75
0.7
2.0
4.5
6.5
7.5
Features
■ Bulk and Tape and Reel Packaging
■ Industry Standard Sizes
Applications
■ Computers and Peripherals
■ General Electronics
■ Automotive
■ Consumer Appliances
■ Electronic Toys
V max.
V max.
Volts
Volts
Volts
16
16
16
16
16
16
60
60
60
60
60
60
60
72
72
72
72
72
72
72
72
72
72
72
72
72
72
72
I max.
I max.
I max.
Amps
100
100
100
100
100
Amps
Amps
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
Resistance
Resistance
Resistance
Initial
Initial
0.0094
0.0041
Initial
0.045
0.022
0.011
0.15
0.12
0.09
0.08
0.05
0.04
0.03
1.50
1.00
0.76
0.52
0.41
0.27
0.18
0.14
0.15
0.12
0.09
0.08
0.05
0.04
0.03
Min.
Min.
Min.
0.3
Ohms at 23 °C
Ohms at 23 °C
Ohms at 23 °C
0.20 – 3.75 Amps Hold Current
1.10 - 3.75 Amps Hold Current
1 Hour (R 1 )
1 Hour (R 1 )
Resistance
Resistance
Post-Trip
Post-Trip
1 Hour (R 1 )
Resistance
0.38
0.30
0.22
0.19
0.13
0.10
0.08
4.40
3.00
2.10
1.29
1.17
0.72
0.60
0.47
0.38
0.30
0.22
0.19
0.13
0.10
0.08
Max.
Max.
Post-Trip
0.110
0.054
0.026
0.022
0.01
Max.
0.8
Operating Temperature
(0.512)
(0.571)
(0.642)
(0.701)
(0.839)
(0.980)
(1.118)
(0.291)
(0.291)
(0.291)
(0.291)
(0.311)
(0.382)
(0.409)
(0.461)
(0.427)
(0.483)
(0.549)
(0.598)
(0.702)
(0.814)
(0.926)
A Max.
A Max.
10.84
12.26
13.94
15.18
17.84
20.67
23.51
(0.925)
13.0
14.5
16.3
17.8
21.3
24.9
28.4
10.4
11.7
(0.27)
(0.37)
(0.41)
(0.55)
7.4
7.4
7.4
7.4
7.9
9.7
A Max.
6.86
10.4
12.7
(0.5)
14.0
23.5
9.4
Dimensions
Dimensions
-40 °C ~ +125 °C
Dimensions
mm/(in)
(0.709)
(0.772)
(0.839)
(0.902)
(1.039)
(1.181)
(1.319)
mm/(in)
(0.500)
(0.500)
(0.528)
(0.539)
(0.539)
(0.598)
(0.630)
(0.657)
(0.662)
(0.718)
(0.785)
(0.833)
(0.938)
(1.050)
(1.161)
B Max.
B Max.
16.84
18.26
19.94
21.18
23.84
26.67
29.51
mm/(in)
(0.425) (0.201)
18.0
19.6
21.3
22.9
26.4
30.0
33.5
12.7
12.7
13.4
13.7
13.7
15.2
16.0
16.7
B Max.
(0.55)
(0.61)
(0.88)
(0.93)
(1.17)
10.8
14.0
15.6
22.2
23.5
28.7
(0.201)
(0.201)
(0.201)
(0.201)
(0.402)
(0.402)
(0.402)
(0.201)
(0.201)
(0.201)
(0.201)
(0.201)
(0.201)
(0.201)
(0.201)
(0.201)
(0.201)
(0.201)
(0.201)
(0.402)
(0.402)
(0.402)
(0.201)
(0.201)
(0.201)
(0.201)
(0.402)
C Nom.
C Nom.
C Nom.
60 Volts
72 Volts
10.2
10.2
10.2
10.2
10.2
10.2
10.2
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
Style
Style
Style
5
5
5
5
5
5
5
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
3
1
2
2
2
2