Bourns PTC fuse Current I(H) 3.75 A 72 V (L x W x H) 37.11 x 23.51 x 3.1 mm MF-RX375/72-0 1 pc(s) MF-RX375/72-0 데이터 시트
제품 코드
MF-RX375/72-0
Features
■
72 V rated
■
Radial leaded devices
■
Cured, fl ame retardant epoxy polymer
insulating material meets UL 94 V-0
requirements
requirements
■
RoHS compliant*
■
Agency recognition:
Applications
Almost anywhere there is a low voltage power
supply, up to 72 V and a load to be protected,
including:
supply, up to 72 V and a load to be protected,
including:
■
Security and fi re alarm systems
■
Loudspeakers
■
Power transformers
MF-RX/72 Series - PTC Resettable Fuses
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Electrical Characteristics
Model
V max.
Volts
I max.
Amps
Amps
Ihold
Itrip
Initial
Resistance
1 Hour (R1)
Post-Trip
Resistance
Max. Time
To Trip
Tripped
Power
Dissipation
Amperes
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Hold
Trip
Min.
Max.
Max.
Typ.
MF-RX020/72
72
40
0.20 0.40 1.50 2.84
4.40
1.0
2.2
0.40
MF-RX025/72
72
40
0.25 0.50 1.00 1.95
3.00
1.25
2.5
0.45
MF-RX030/72
72
40
0.30 0.60 0.76 1.36
2.10
1.5
3.0
0.50
MF-RX040/72
72
40
0.40 0.80 0.52 0.86
1.29
2.0
3.9
0.55
MF-RX050/72
72
40
0.50 1.00 0.41 0.77
1.17
2.5
4.0
0.75
MF-RX065/72
72
40
0.65 1.30 0.27 0.48
0.72
3.25
5.3
0.90
MF-RX075/72
72
40
0.75 1.50 0.18 0.40
0.60
3.75
6.3
0.90
MF-RX090/72
72
40
0.90 1.80 0.14 0.31
0.47
4.5
7.2
1.00
MF-RX110/72
72
40
1.10
2.20
0.15
0.25
0.38
5.5
8.2
1.50
MF-RX135/72
72
40
1.35
2.70
0.12
0.19
0.30
6.75
9.6
1.70
MF-RX160/72
72
40
1.60
3.20
0.09
0.14
0.22
8.0
11.4
1.90
MF-RX185/72
72
40
1.85
3.70
0.08
0.12
0.19
9.25
12.6
2.10
MF-RX250/72
72
40
2.50
5.00
0.05
0.08
0.13
12.5
15.6
2.50
MF-RX300/72
72
40
3.00
6.00
0.04
0.06
0.10
15.0
19.8
2.80
MF-RX375/72
72
40
3.75
7.50
0.03
0.05
0.08
18.75
24.0
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
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
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
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 Certifi cations, then UL File No., enter E174545
CSA File Number .................................................. CA110338
http://directories.csa-international.org/ Under “Certifi cation Record” and “File Number”
enter
110338-0-000
TÜV Certifi cate Number ....................................... R 02057213
http://www.tuvdotcom.com/ Follow link to “other certifi cates”, enter File No. 2057213
RX110
4180S
*RoHS COMPLIANT