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PDF MF-RX050-72 Data sheet ( Hoja de datos )
| Número de pieza | MF-RX050-72 | |
| Descripción | PTC Resettable Fuses | |
| Fabricantes | Bourns | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MF-RX050-72 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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Features
Applications
■ 72 V rated
Almost anywhere there is a low voltage power
■ Radial leaded devices
supply, up to 72 V and a load to be protected,
4R1X8101S0
■ Cured, flame retardant epoxy polymer
insulating material meets UL 94 V-0
including:
■ Security and fire alarm systems
requirements
■ Loudspeakers
■ RoHS compliant*
■ Power transformers
■ Agency recognition:
MF-RX/72 Series - PTC Resettable Fuses
Electrical Characteristics
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 40
72 40
72 40
72 40
72 40
72 40
72 40
72 40
72 40
72 40
72 40
72 40
72 40
72 40
72 40
Ihold
Itrip
Initial
Resistance
Amperes
at 23 °C
Ohms
at 23 °C
Hold Trip Min. Max.
0.20 0.40 1.50 2.84
0.25 0.50 1.00 1.95
0.30 0.60 0.76 1.36
0.40 0.80 0.52 0.86
0.50 1.00 0.41 0.77
0.65 1.30 0.27 0.48
0.75 1.50 0.18 0.40
0.90 1.80 0.14 0.31
1.10 2.20 0.15 0.25
1.35 2.70 0.12 0.19
1.60 3.20 0.09 0.14
1.85 3.70 0.08 0.12
2.50 5.00 0.05 0.08
3.00 6.00 0.04 0.06
3.75 7.50 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 Seconds
at 23 °C 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
CSA File Number.................................................. CA110338
http://directories.csa-international.org/ Under “Certification Record” and “File Number”
enter
110338-0-000
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.
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.
http://www.Datasheet4U.com/
1 page  
MF-R/72 & MF-RX/72 Series Tape and Reel Specifications
Dimension Description
Reel width
Reel diameter
Space between flanges less device
Arbor hole diameter
Core diameter
Box
Consecutive missing places
Empty places per reel
Taped Component Dimensions - Figure 1
hh
IEC
Mark
wW
da
W1
f
hn
EIA
Mark
56.0
2
h (.187)
c 26.0
Dimensions
Dimensions
Tolerance
(2.205)
370.0
(14.57)
4.75
(1.024)
80
(3.15)
64 372 372
(2.52) (14.6) (14.6)
max.
max.
±3.25
(±.128)
±12.0
(±.472)
max.
max.
3 max.
Not specified
pp
H1
L
P1
Reference plane
F
A
B
H0
W0
W1
W
H1
H
DIMENSIONS:
MM
(INCHES)
I2 I1
P0
Reel Dimensions - Figure 2
h
w
h
f
D0 User direction of feed
Cross section A - B
t
User
d direction
of
feed
Reel
Upper side
Tape
Lower side
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. http://www.Datasheet4U.com/
Users should verify actual device performance in their specific applications.
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet MF-RX050-72.PDF ] | |
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