TelefuseSMD Power Cross Protection Fuse Electrical Characteristic

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TelefuseSMD Power Cross Protection Fuse Electrical Characteristic

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telecommunication circuit applications requiring current protection with high surge tolerance Overcurrent protection Telcordia GR-1089-CORE 1950/60950 Bourns® TISP® products recommended overvoltage section circuit Agency recognition: File: E198545
TelefuseSMD Power Cross Protection Fuse
Electrical Characteristics
Typical Cold Resistance (ohms) 0.350 0.090 Volt-drop (Volts) max. 0.28 0.18 Melting msec sec.) Melting sec.) Peak Surge Current (Amps)
Pulses 1000
Model Number B0500T B1250T
Ampere Rating 0.500 1.25
Voltage Rating (Vrms)
Peak Surge Current (Amps)
Pulses 1000
Maximum Power Dissipation 0.25 0.40
Rating 1000
Opening Time Minimum Maximum hrs. sec. sec. msec. sec. msec. msec.
Surge Withstand Ratings (Model B1250T
Voltage 1000 2500 5000 Peak Surge Current Maximum Rise/Duration Time 1000 Repetitions Pulses each polarity) Pulses each polarity) Pulses each polarity) Pulses each polarity)
Temperature Range.-55 +125
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 Packaging .2,000 pcs. reel
Power Cross Rating
Overload Current Fuse Rating Voltage (VAC) Clearing Time Limit 1.25 max. sec. max. min. max. sec. max. msec. max. msec. max. sec. max. min. max. msec. max. msec. max. msec.
Ordering Information
Part Number B0500T B1250T Current Rating 1.25
Reliable Electronic Solutions
Asia-Pacific: +886- (0)2 25624117 +886- (0)2 25624116 Europe: +41-41 7685555 +41-41 7685510 North America: +1-909 781-5500 +1-909 781-5700
bourns.com
Specifications subject change without notice.
TelefuseSMD Power Cross Protection Fuse
Typical Current Withstand Current Duration
Product Dimensions
2.03 .102 (.080 .004)
9.65 .254 (.38 .01)
3.05 .127 (.120 .005) 3.05 .127 (.120 .005)
IRMS Current
TISP4xxxH3BJ TISP5xxxH3BJ B1250T
B0500T
Recommended Layout
3.81 (.15)
0.01
1000
4.06 (.16)
Current Duration
5.08 (.20)
DIMENSIONS:
(INCHES)
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)
"Telefuse" trademark Bourns, Inc. "TISP" trademark Power Innovations, Ltd., Bourns Company, Registered U.S. Patent Trademark Office. Specifications subject change without notice.
08/02
COPYRIGHT© 2002, BOURNS, INC. LITHO U.S.A. 08/02 e/L0204

TelefuseSMD Power Cross Protection Fuse Electrical Characteristic

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