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MF-RX012250-C Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part # MF-RX012250-C
Description  Telecom PTC Resettable Fuses
Download  5 Pages
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Manufacturer  BOURNS [Bourns Electronic Solutions]
Direct Link  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

MF-RX012250-C Datasheet(HTML) 1 Page - Bourns Electronic Solutions

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Features
Radial leaded devices
Fast tripping resettable PTCs
Binned and sorted narrow resistance
ranges available
RoHS compliant*
Agency recognition:
Applications
Customer Premise Equipment (CPE)
Central Office / Telecom Centers (CO)
Access equipment
MF-RX/250 Series - Telecom PTC Resettable Fuses
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
RX012
24001K
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.............................................. ±15 % typical resistance change
.......................................................................... +60°C, 1000 hours................................................ ±15 % typical resistance change
Humidity Aging ..................................................... +85 °C, 85 % R.H. 500 hours ............................... ±15 % typical resistance change
Thermal Shock ..................................................... MIL-STD-202F, Method 107G, ............................. ±10 % typical resistance change
.......................................................................... +125 °C to -55 °C,10 times .................................. ±15 % typical resistance change
Solvent Resistance............................................... MIL-STD-202, Method 215B ................................ No change
Lead Solerability................................................... ANSI/J-STD-002 ................................................... >95 % coverage
Flammability ......................................................... IEC 695-2-2 .......................................................... No Flame for 60 secs.
Vibration ............................................................... MIL-STD-883C, Method 2007.1, Condition A ...... ±5 % typical resistance change
Test Procedures And Requirements For Model MF-RX/250 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 ............................................... E 174545S
CSA File Number............................................. CA 110338
TÜV File Number ............................................. R2057213
Electrical Characteristics
Model
Max.
Operating
Voltage
(Vdc)
Max. Interrupt
Ratings
Hold Current
Initial Resistance
One Hour
Post-Trip
Resistance
Volts
(Vrms)
Amps
(A)
Amps
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Max.
Max.
IH
Min.
Max.
Max.
MF-RX012/250
60
250
3.0
0.12
4.0
8.0
16.0
MF-RX012/250-A
60
250
3.0
0.12
7.0
9.0
16.0
MF-RX012/250-C
60
250
3.0
0.12
5.5
7.5
14.0
MF-RX012/250-F
60
250
3.0
0.12
6.0
10.5
16.0
MF-RX012/250-1
60
250
3.0
0.12
6.0
9.0
16.0
MF-RX012/250-2
60
250
3.0
0.12
8.0
10.5
16.0
MF-RX012/250-T
60
250
3.0
0.12
7.0
12.0
16.0
MF-RX012/250U
60
250
3.0
0.12
6.0
10.0
16.0
MF-RX014/250
60
250
3.0
0.145
3.0
6.0
14.0
MF-RX014/250-A
60
250
3.0
0.145
3.0
5.5
12.0
MF-RX014/250-B
60
250
3.0
0.145
4.5
6.0
14.0
MF-RX014/250-T
60
250
3.0
0.145
5.4
7.5
14.0
MF-RX014/250U
60
250
3.0
0.145
3.5
6.5
12.0
MF-RX018/250
60
250
10.0
0.18
0.8
2.0
4.0
MF-RX018/250U
60
250
10.0
0.18
0.8
2.0
4.0
“U” suffix indicates product without insulation coating.


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