mfrx72

CO
LO & MP
LI
GE
AN
N
T
FR
EE
*R
oH
S
**
HA
Features
Applications
■ 72 V rated
Almost anywhere there is a low voltage power
supply, up to 72 V and a load to be protected,
including:
■ Security and fire alarm systems
■ Loudspeakers
■ Power transformers
■ Radial leaded devices
■ Cured, flame retardant epoxy polymer
RX11
4180 0
S
insulating material meets UL 94 V-0
requirements
■ RoHS compliant* and halogen free**
■ Agency recognition:
MF-RX/72 Series - PTC Resettable Fuses
Electrical Characteristics
Ihold
Model
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
V max.
Volts
I max.
Amps
72
72
72
72
72
72
72
72
72
72
72
72
72
72
72
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
Itrip
Amperes
at 23 °C
Hold
Trip
0.20
0.40
0.25
0.50
0.30
0.60
0.40
0.80
0.50
1.00
0.65
1.30
0.75
1.50
0.90
1.80
1.10
2.20
1.35
2.70
1.60
3.20
1.85
3.70
2.50
5.00
3.00
6.00
3.75
7.50
Initial
Resistance
Ohms
at 23 °C
Min.
Max.
1.50
2.84
1.00
1.95
0.76
1.36
0.52
0.86
0.41
0.77
0.27
0.48
0.18
0.40
0.14
0.31
0.15
0.25
0.12
0.19
0.09
0.14
0.08
0.12
0.05
0.08
0.04
0.06
0.03
0.05
1 Hour (R1)
Post-Trip
Resistance
Ohms
at 23 °C
Max.
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. Time
To Trip
Amperes
at 23 °C
Seconds
at 23 °C
1.0
1.25
1.5
2.0
2.5
3.25
3.75
4.5
5.5
6.75
8.0
9.25
12.5
15.0
18.75
2.2
2.5
3.0
3.9
4.0
5.3
6.3
7.2
8.2
9.6
11.4
12.6
15.6
19.8
24.0
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
0.40
0.45
0.50
0.55
0.75
0.90
0.90
1.00
1.50
1.70
1.90
2.10
2.50
2.80
3.20
Environmental Characteristics
Operating/Storage Temperature ........................... -40 °C to +85 °C
Maximum Device Surface Temperature
in Tripped State .................................................. 125 °C
Passive Aging ....................................................... +85 °C, 1000 hours ............................................... ±5 % typical resistance change
Humidity Aging...................................................... +85 °C, 85 % R.H. 1000 hours ............................. ±5 % typical resistance change
Thermal Shock ..................................................... +85 °C to -55 °C, 10 times .................................... ±10 % typical resistance change
Solvent Resistance ............................................... MIL-STD-202, Method 215 ................................... No change
Vibration ............................................................... MIL-STD-883C, Method 2007.1,........................... No change
Condition A
Test Procedures And Requirements For Model MF-RX/72 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 ≤ Rmax
Time to Trip ........................................................... 5 times Ihold, 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 .................................................... E174545
http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545
TÜV Certificate Number ....................................... R 02057213
http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
** Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less;
(b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
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.
Additional Features
■ Resettable circuit protection
■ Bulk packaging, tape and reel and Ammo-Pak available on most models
MF-RX/72 Series - PTC Resettable Fuses
Product Dimensions
Model
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
A
Max.
7.4
(0.291)
7.4
(0.291)
7.4
(0.291)
7.4
(0.291)
7.9
(0.311
9.7
(0.382)
10.4
(0.409)
11.7
(0.461)
10.84
(0.427)
12.26
(0.483)
13.94
(0.549)
15.18
(0.598)
17.84
(0.702)
20.67
(0.814)
23.51
(0.926)
B
Max.
12.7
(0.5)
12.7
(0.5)
13.4
(0.528)
13.7
(0.539)
13.7
(0.539)
15.2
(0.598)
16.0
(0.630)
16.70
(0.657)
16.84
(0.662)
18.26
(0.718)
19.94
(0.785)
21.18
(0.833)
23.84
(0.938)
26.67
(1.050)
29.51
(1.161)
C
Nom.
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
10.2
(0.402)
10.2
(0.402)
10.2
(0.402)
D
Min.
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
7.6
(0.30)
Tol. ±
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
E
Max.
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
Style
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
Physical Characteristics
Lead Dia.
Material
0.51
Sn/CuFe
(0.020)
0.51
Sn/CuFe
(0.020)
0.51
Sn/CuFe
(0.020)
0.51
Sn/CuFe
(0.020)
0.51
Sn/Cu
(0.020)
0.51
Sn/Cu
(0.020)
0.51
Sn/Cu
(0.020)
0.51
Sn/Cu
(0.020)
0.81
Sn/Cu
(0.032)
0.81
Sn/Cu
(0.032)
0.81
Sn/Cu
(0.032)
0.81
Sn/Cu
(0.032)
0.81
Sn/Cu
(0.032)
0.81
Sn/Cu
(0.032)
0.81
Sn/Cu
(0.032)
Packaging options:
DIMENSIONS:
BULK:
500 pcs. per bag.
TAPE & REEL: MF-RX020/72-2 ~ MF-RX090/72-2 = 3000 pcs. per reel; MF-RX110/72-2 ~ MF-RX160/72-2 = 1500 pcs. per reel;
MF-RX185/72-2 - MF-RX375/72-2 = 1000 pcs. per reel.
AMMO-PACK: MF-RX020/72-AP ~ MF-RX090/72-AP = 2000 pcs. per pack; MF-RX110/72-AP ~ MF-RX160/72-AP = 1000 pcs. per pack;
MF-RX185/72-AP - MF-RX375/72-AP = 500 pcs. per pack.
Style 1
A
E
How to Order
Typical Part Marking
Style 2
A
E
B
B
D
MF - RX 110/72 - 2
Represents total content. Layout may vary.
PART
IDENTIFICATION
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
MANUFACTURER'S
TRADEMARK
RX110
4180S
MM
(INCHES)
LOT NO.
(S = CHINA)
®
Multifuse
Product Designator
Series
RX = Radial Leaded Component
Hold Current, Ihold
020-375 (0.20 Amps - 3.75 Amps)
Maximum Voltage, Vmax
72 (72 Volts)
Packaging Options
- 0 = Bulk Packaging
- 2 = Tape and Reel*
- AP = Ammo-Pak*
*Packaged per EIA 486-B
D
C
C
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-RX/72 Series - PTC Resettable Fuses
MF
-R
MF X 0 2 0
-RX
MF 025
-R
MF X030
-R
MF X040
-R
MF X050
-R
MF X065
-R
MF X075
-RX
090
MF
-R
MF X110
-R
/7
MF X135 2
-RX /72
1
MF
-R 60/7
MF X185 2
-R
/7
MF X250 2
-RX /72
MF 300
-RX /72
375
/72
Typical Time to Trip at 23 ˚C
1000
100
Time to Trip (Seconds)
Time to trip (Seconds)
100
10
1
0.1
10
1
0.1
0.01
0.01
0.001
0.001
0.1
1
10
100
1
10
100
Fault Current (Amps)
Fault Current (Amps)
The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in specific customer applications
may differ from these values due to the influence of other variables.
Thermal Derating Chart - Ihold (Amps)
Model
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
-40 °C
0.31
0.39
0.47
0.62
0.78
1.01
1.16
1.40
1.71
2.09
2.48
2.87
3.88
4.65
5.81
-20 °C
0.27
0.34
0.41
0.54
0.68
0.88
1.02
1.22
1.50
1.84
2.18
2.52
3.40
4.08
5.10
0 °C
0.24
0.30
0.36
0.48
0.60
0.77
0.89
1.07
1.31
1.61
1.90
2.20
2.98
3.57
4.46
Ambient Operating Temperature
23 °C
40 °C
50 °C
0.20
0.16
0.14
0.25
0.20
0.18
0.30
0.24
0.22
0.40
0.32
0.29
0.50
0.41
0.36
0.65
0.53
0.47
0.75
0.61
0.54
0.90
0.73
0.65
1.10
0.89
0.79
1.35
1.09
0.97
1.60
1.30
1.15
1.85
1.50
1.33
2.50
2.03
1.80
3.00
2.43
2.16
3.75
3.04
2.70
60 °C
0.13
0.16
0.19
0.25
0.32
0.41
0.47
0.57
0.69
0.85
1.01
1.17
1.58
1.89
2.36
MF-RX/72 SERIES, REV. K, 10/15
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.
70 °C
0.11
0.14
0.16
0.22
0.27
0.35
0.41
0.49
0.59
0.73
0.86
1.00
1.35
1.62
2.03
85 °C
0.08
0.10
0.12
0.16
0.20
0.26
0.30
0.36
0.44
0.54
0.64
0.74
1.00
1.20
1.50
MF-R, MF-R/90, MF-R/600, MF-RX, & MF-RX/72 Series
Tape and Reel Specifications
Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 and 2 for details.
IEC
Mark
EIA
Mark
Carrier tape width
W
W
Hold down tape width
W0
W4
Dimension Description
Hold down tape
Dimensions
Dimensions
Tolerance
18
-0.5/+1.0
(.709)
(-0.02/+.039)
11
min.
(.433)
No protrusion
Top distance between tape edges
W2
W6
Sprocket hole position
W1
W5
Sprocket hole diameter
D0
D0
Abscissa to plane (straight lead)
H
H
Abscissa to plane (kinked lead)
H0
H0
Abscissa to top (straight lead)
H1
H1
Abscissa to top (kinked lead)
H1
H1
Overall width w/lead protrusion (straight lead)
C1
Overall width w/lead protrusion (kinked lead)
C1
Overall width w/o lead protrusion (straight lead)
C2
Overall width w/o lead protrusion (kinked lead)
C2
3
(.118)
9
(.354)
4
(.157)
18.5
(.728)
16
(.63)
38.0
(1.496)
32.2
(1.268)
55.0
(2.165)
43.2
(1.7)
54.0
(2.126)
42.5
(1.673)
1.0
(.039)
11
(.433)
Lead protrusion
I1
L1
Protrusion of cutout
L
L
Protrusion beyond hold-down tape
I2
I2
Not specified
Sprocket hole pitch
P0
P0
12.7
(0.5)
Pitch tolerance
20 consecutive
max.
-0.5/+0.75
(-0.02/+0.03)
±0.2
(±.0078)
±3.0
(±.118)
±0.5
(±.02)
max.
max.
max.
max.
max.
max.
max.
max.
±0.3
(±.012)
±1
(±.039)
Device pitch: MF-R005–MF-R160, MF-R/90,
MF-RX110/72–MF-RX185/72
12.7
(0.5)
±0.3
(±.012)
Device pitch: MF-R185–MF-R400, MF-RX110–MF-RX375
MF-R/600, MF-RX250/72–MF-RX375/72
25.4
(1.0)
±0.6
(±.024)
0.9
(.035)
max.
Tape thickness
t
t
Tape thickness with splice: MF-R010–MF-R160,
MF-RX110/72–MF-RX185/72
t1
1.5
(.059)
max.
Tape thickness with splice: MF-R250–MF-R1100,
MF-RX110–MF-RX375, MF-R/90, MF-RX250/72-MF-RX375/72
t1
2.3
(.091)
max.
Splice sprocket hole alignment
0
Body lateral deviation
Δh
Δh
0
Body tape plane deviation
Δp
Δp
0
±0.3
(±.012)
±1.0
(±.039)
±1.3
(±.051)
DIMENSIONS:
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.
MM
(INCHES)
MF-R, MF-R/90, MF-R/600, MF-RX, & MF-RX/72 Series
Tape and Reel Specifications
IEC
Mark
EIA
Mark
Lead spacing: MF-R, MF-R/90, MF-R/600, MF-RX, MF-RX/72
F
F
Reel width
w
W2
Reel diameter
d
a
W1
h
Arbor hole diameter
f
c
Core diameter: MF-R, MF-RX, MF-R/90
h
n
Core diameter: MF-R/600
h
n
Dimension Description
Space between flanges less device
Box: MF-R, MF-RX, MF-R/90
Box: MF-R/600
Dimensions
Dimensions
Tolerance
5.08
±0.2
(0.2)
(±0.008)
56.0
max.
(2.205)
370.0
max.
(14.57)
4.75
±3.25
(.187)
(±.128)
26.0
±12.0
(1.024)
(±.472)
80
max.
(3.15)
91
max.
(3.58)
62
355
345
nom.
(2.44) (14.0) (13.6)
64
372
362
max.
(2.52) (14.6) (14.25)
Consecutive missing places: MF-R, MF-RX, MF-R/90
3
Consecutive missing places: MF-R/600
none
Empty places per reel: MF-R, MF-RX, MF-R/90
Not specified
Empty places per reel: MF-R/600
0.1 %
Taped Component Dimensions Figure 1
p
h
h
max.
p
Reference plane
P1
H1
A
L
I2
H1
F
H
H0
B
W0
I1
P0
D0
W1
W
User direction of feed
Cross section A - B
Reel Dimensions - Figure 2
t
Reel
h
d
User
direction
of
feed
Upper side
Tape
Lower side
f
h
w
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.