Bourns PTC fuse Current I(H) 0.13 A 250 V (L x W x H) 10.2 x 8.9 x 7.2 mm MF-SD013/250-2 1 pc(s) MF-SD013/250-2 数据表
产品代码
MF-SD013/250-2
Features
■
Tip & ring line protection with two devices
in one surface mount package
■
High voltage surge capabilities
■
Assists in meeting ITU-T K.20/K.21/K.45
specifi cations as well as Telcordia GR-1089
intra-building
intra-building
■
RoHS compliant*
■
Agency recognition:
Applications
Used as a secondary overcurrent protection
device in:
device in:
■
Customer Premise Equipment (CPE)
■
Central Offi ce (CO)
■
Subscriber Line Interface Cards (SLIC)
MF-SD/250 Series - Telecom 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.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Environmental Characteristics
Operating Temperature .................................... -45 °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. 1000 hours ..............................±15 % typical resistance change
Thermal Shock ................................................ MIL-STD-202F, Method 107G, ...............................±10 % typical resistance change
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. 1000 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 Solderability ............................................ 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
Lead Solderability ............................................ 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-SD/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
Resistance ....................................................... In still air @ 23 °C .............................................Rmin
≤ R ≤ Rmax
Time to Trip ...................................................... At specifi ed current, Vmax, 23 °C .....................T
≤ max. time to trip (seconds)
Hold Current .................................................... 30 min. at Ihold .................................................No trip
Primary
Test Test
Conditions
Protection
Mains Power Contact - ITU-T K.20, K.21 ........ 230 V rms, 10 ohms, t = 15 min. .......................None
Power Induction - ITU-T K.20, K.21 ................. 600V rms, 600 ohms, t = 0.2 seconds ..............None
Power Induction - ITU-T K.20, K.21 ................. 600 V rms, 600 ohms, t = 1 second. .................GDT
Lightning Surge - ITU-T K.20, K.21 ................. 1.5 KV, 10/700
Power Induction - ITU-T K.20, K.21 ................. 600V rms, 600 ohms, t = 0.2 seconds ..............None
Power Induction - ITU-T K.20, K.21 ................. 600 V rms, 600 ohms, t = 1 second. .................GDT
Lightning Surge - ITU-T K.20, K.21 ................. 1.5 KV, 10/700
μs .............................................None
Lightning Surge ............................................... 4.0 KV, 10/700
μs .............................................GDT
UL File Number ........................................... E 174545S
Electrical Characteristics
Model
Max.
Operating
Voltage
Volts
Max.
Interrupt
Ratings
Ihold
Itrip
Initial
Resistance
1 Hour (R1)
Post-Trip
Resistance*
Nominal Time
to Trip
Tripped
Power
Dissipation
Volts
(V)
Amps
(A)
Amperes
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Amps
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Hold
Trip
Min.
Max.
Max.
Typ.
MF-SD013/250
60
250
3.0
0.13
0.26
2.0
7.0
10.0
1
2.5
1.5
* R1 value is measured 24 hours post refl ow.
Resistance matched in housing: 1.0 ohm measured 24 hours after refl ow installation.
Resistance matched in housing: 1.0 ohm measured 24 hours after refl ow installation.
Model
Ambient Operating Temperature
-40 °C
-20 °C
0 °C
23 °C
40 °C
50 °C
60 °C
70 °C
85 °C
MF-SD013/250 0.21
0.18
0.16
0.13
0.10
0.09
0.08
0.07
0.05
Thermal Derating Chart -Ihold (Amps)
*RoHS COMPLIANT