telecommunication circuit applications requiring current protection wi

The Datasheet Archive - 100 Million Datasheets from 7500 Manufacturers.

telecommunication circuit applications requiring current protection wi

Datasheet Thumbnail

Top Searches for this datasheet

telecommunication circuit applications requiring current protection with high surge tolerance Overcurrent protection Telcordia GR-1089-CORE Issue (B1250T only) 1950/60950 Bourns® TISP® products recommended overvoltage section circuit Agency recognition: File: E198545 RoHS compliant*
TelefuseSMD Power Cross Protection Fuse
Electrical Characteristics
Model Number B0500T B1250T B2000T Ampere Rating 0.500 1.25 Voltage Rating (VRMS) Typical Cold Resistance (ohms) 0.350 0.075 0.056 Volt-drop (Volts) max. 0.23 0.18 0.16 Melting msec sec.) Melting sec.) Maximum Power Dissipation 0.20 0.40 0.52
Temperature Range .-55 +125
Lightning Surge Withstand Capabilities
Max. Rise/ Min. Decay (µs) 10/1000 10/360 2/10 10/360 2/10 8/20 Repetitions Total Minimum Peak Each Polarity Voltage 1000 1000 2500 1000 5000 5000 Minimum Withstand Peak Current B0500T B1250T B2000T
Environmental Characteristics
Thermal Shock .MIL-STD-202, Method 107, Test Condition (-65 +125
Shock .MIL-STD-202, Method 213, Test Condition (100 peak milliseconds) Vibration .MIL-STD-202, Method (10-55 0.06 inch total excursion) Salt Spray .MIL-STD-202, Method 101, Test Condition hrs.) Insulation Resistance .MIL-STD-202, Method 302, Test Condition (after opening) 10,000 ohms minimum Solderability .MIL-STD-202, Method Resistance Solder Heat .MIL-STD-202, Method 210, Test Condition (235 sec.) Physical Characteristics
Body Material .Ceramic with plated brass caps Solder .Lead free Solder Reflow Temperature .240 seconds seconds Packaging .2,000 pcs. reel
Test Methods GR-1089/TIA-968-A (FCC
Power Fault Tests
Short GR-1089 Circuit Level Voltage Current Test (VRMS)
200,400, 1000 1000 0.33 0.17
Fuse Characteristics
Applications Duration min. min. sec. sec. sec. sec. sec. sec.
B0500T
B1250T
B2000T
Parts pass Level tests
Will open Will open Will open
Current Limiting Protector Tests/Fusing Coordination Tests
Maximum Time Fuse Open (Seconds) Voltage (Vac) Asia-Pacific: +886- (0)2 25624117 +886- (0)2 25624116 Europe: +41-41 7685555 +41-41 7685510 Americas: +1-951 781-5500 +1-951 781-5700
Current
3.75 12.5
Duration
B0500T
0.08 0.04 0.01 0.005 0.004 0.003
B1250T
0.07 0.04 0.02
B2000T
Will open 2000 0.07 0.05
Min.
www.bourns.com
*RoHS Directive 2002/95/EC 2003 including Annex. Specifications subject change without notice. Customers should verify device performance their specific applications.
TelefuseSMD Power Cross Protection Fuse
Time/Current Characteristic Curve
1000
Product Dimensions
2.03 .102 (.080 .004)
Current (Amperes)
B2000T B1250T B0500T
9.65 .254 (.38 .01)
3.05 .127 (.120 .005) 3.05 .127 (.120 .005)
0.01 0.01
Time (Seconds)
1000
10000
Recommended Layout
3.81 (.15) 4.06 (.16)
5.08 (.20)
DIMENSIONS:
(INCHES)
Solder Profile Seconds
PREHEAT ZONE ZONE REFLOW COOL
TEMPERATURE (°C)
SECONDS
Specifications subject change without notice. Customers should verify actual device performance their specific applications.
TelefuseSMD Power Cross Protection Fuse
Packaging Specifications
(.087) 13.0 DIA. (.512) (.787)
0.40 0.05 (.016 .002) 1.55 0.05 (.061 .002) DIA. 0.05 (.063 .002) DIA. (.079 .004)
(.157 .004) 1.75 (.069 .004)
21.0 (.827) DIA.
55.0 (2.165) DIA.
10.0 (.394 .004) (.012) TYP.
7.50 (.295 .004)
16.0 (.630 .012)
REF. 3.50 (.138 .004) (12.992) DIA. (.063)
(.315 .004)
3.50 (.138 .004)
DIMENSIONS:
(INCHES)
REV. 01/09 "Telefuse" trademark Bourns, Inc. Specifications subject change without notice. Customers should verify actual device performance their specific applications.

telecommunication circuit applications requiring current protection wi

Top Searches for this datasheet

Other recent searches