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Features
■ Surface mount devices
■ High voltage surge capabilities
■ Binned and sorted resistance ranges
■ Assists in meeting ITU K.20/K.21
speci?cations
Applications
Used as a secondary overcurrent protection
device in:
■ Customer Premise Equipment (CPE)
■ Central Of?ce (CO)
■ Subscriber Line Interface Cards (SLIC)
■ RoHS compliant*
■ Agency recognition:
MF-SM013/250 - Telecom PTC Resettable Fuses
Electrical Characteristics
Max.
Operating
Voltage
Max. Interrupt
Ratings
Hold
Current
Initial
Resistance
One Hour
Post-Trip
Resistance
Tripped
Power
Dissipation
Model
MF-SM013/250-2
MF-SM013/250-A-2
MF-SM013/250-B-2
MF-SM013/250-C-2
Volts
(V)
60
60
60
60
Volts
(V)
Max.
250
250
250
250
Amps
(A)
Max.
3.0
3.0
3.0
3.0
Amps
at 23 °C
IH
0.13
0.13
0.13
0.13
Ohms
at 23 °C
Min.
6.5
6.5
9.0
7.0
Ohms
at 23 °C
Max.
12.0
9.0
12.0
10.0
Ohms
at 23 °C
Max.
20.0
20.0
20.0
20.0
Watts
at 23 °C
Typ.
3.3
3.3
3.3
3.3
Environmental Characteristics
Operating Temperature......................................... -45 °C to +85 °C
Maximum Device Surface Temperature
in Tripped State ................................................ 125 °C
Passive Aging ....................................................... +85 °C, 1000 hours ............................................... ±2 % typical resistance change
+60 °C, 1000 hours ............................................... ±3 % typical resistance change
Humidity Aging...................................................... +85 °C, 85 % R.H. 500 hours ............................... ±3 % 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
Flammability ......................................................... IEC 695-2-2 .......................................................... No Flame for 60 secs.
Vibration ............................................................... MIL-STD-883C, Method 2007.1, Condition A ....... No change
Test Procedures And Requirements For Model MF-SM013/250 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 ...................................................... At speci?ed current, 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
Solderability ..................................................... MIL-STD-202F, Method 208F ...........................95 % min. coverage
UL File Number ............................................... E 174545S
CSA File Number ............................................. CA 110338
TüV File Number ............................................. R2057213
Thermal Derating Chart - Ihold/ Itrip (Amps)
Model
MF-SM013/250-2
MF-SM013/250-A-2
MF-SM013/250-B-2
MF-SM013/250-C-2
-40 oC
0.21 / 0.42
0.21 / 0.42
0.21 / 0.42
0.21 / 0.42
-20 oC
0.18 / 0.37
0.18 / 0.37
0.18 / 0.37
0.18 / 0.37
0 oC
0.16 / 0.31
0.16 / 0.31
0.16 / 0.31
0.16 / 0.31
Ambient Operating Temperature
23 oC 40 oC 50 oC
0.13 / 0.26 0.10 / 0.23 0.09 / 0.18
0.13 / 0.26 0.10 / 0.23 0.09 / 0.18
0.13 / 0.26 0.10 / 0.23 0.09 / 0.18
0.13 / 0.26 0.10 / 0.23 0.09 / 0.18
60 oC
0.08 / 0.15
0.08 / 0.15
0.08 / 0.15
0.08 / 0.15
70 oC
0.07 / 0.12
0.07 / 0.12
0.07 / 0.12
0.07 / 0.12
85 oC
0.05 / 0.10
0.05 / 0.10
0.05 / 0.10
0.05 / 0.10
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
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相关代理商/技术参数
MF-SM013/250-A05-2 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:Telecom PTC Resettable Fuses
MF-SM013/250-A-2 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:MF-SM013/250 - Telecom PTC Resettable Fuses
MF-SM013/250-B05-2 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:Telecom PTC Resettable Fuses
MF-SM013/250-B-2 功能描述:可复位保险丝 15Voltd 100Amps RoHS:否 制造商:Bourns 电流额定值: 电阻:7.5 Ohms 最大直流电压: 保持电流:0.1 A 安装风格:SMD/SMT 端接类型:SMD/SMT 跳闸电流:0.6 A 引线间隔: 系列:MF-PSHT 工作温度范围:- 40 C to + 125 C
MF-SM013/250-C05-2 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:Telecom PTC Resettable Fuses
MF-SM013/250-C-2 制造商:Bourns Inc 功能描述:
MF-SM013/250V-0 功能描述:可复位保险丝 60VOLT 5.4MM SMT RoHS:否 制造商:Bourns 电流额定值: 电阻:7.5 Ohms 最大直流电压: 保持电流:0.1 A 安装风格:SMD/SMT 端接类型:SMD/SMT 跳闸电流:0.6 A 引线间隔: 系列:MF-PSHT 工作温度范围:- 40 C to + 125 C
MF-SM013/250V-2 功能描述:可复位保险丝 15Voltd 100Amps Vertical RoHS:否 制造商:Bourns 电流额定值: 电阻:7.5 Ohms 最大直流电压: 保持电流:0.1 A 安装风格:SMD/SMT 端接类型:SMD/SMT 跳闸电流:0.6 A 引线间隔: 系列:MF-PSHT 工作温度范围:- 40 C to + 125 C