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NTE4903

NTE
Part Number NTE4903
Manufacturer NTE
Description Transient Overvoltage Suppressor
Published May 9, 2005
Detailed Description NTE4903 thru NTE4999 Surge Clamping, Transient Overvoltage Suppressor Bidirectional Description: The NTE4900 series of s...
Datasheet PDF File NTE4903 PDF File

NTE4903
NTE4903

Overview
NTE4903 thru NTE4999 Surge Clamping, Transient Overvoltage Suppressor Bidirectional Description: The NTE4900 series of silicon Transient Suppressors designed to protect voltage sensitive components from high energy voltage transients.
Transient over voltage suppressor devices have become very important as a consequence of their high surge capability, extremely fast response time, and low incremental surge resistance (Rs).
Application: The NTE4900 series has a peak pulse power rating of 1500 watts for one millisecond.
Can protect integrated circuits, hybrids, CMOS, MOS, and other voltage sensitive components in a broad range of applications such as telecommunications, power supplies, computers, automotive, industrial and medical equipment.
Absolute Maximum Ratings; Peak Pulse Power Dissipation (TA = +25°C) .
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1500W tclamping (0 volts to Bv Min) .
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< 5 x 10–9 sec Operating and Storage Temperature .
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–65°C to +175°C Forward Surge Rating 200 Amps, .
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1/20 Second at +25°C Steady State Power Dissipation .
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5.
0 W @ T1 = +25°C Electrical Characteristics: Clamping Factor: 1.
33 @ full rated power 1.
20 @ 50% rated power The clamping factor is defined as: The ratio of the actual VC (Clamping Voltage) to the actual BV (Breakdown Voltage) as measured on a specific device.
Maximum Ratings NTE Type Number Diagram Number Maximum Reverse Stand Off Voltage (Volts) VR Min Typ Breakdown Voltage @ IT (Volts) VBR Max IT mA Clamping Voltage @ Ipp (1msec) (Volts) VC Reverse Leakage Current @ VR (µA) IR Peak Pulse Current (Amps) Ipp Temperature Coefficient of BV%/°C 4903 4905 4907 4911 4915 183 183 183 183 183 5.
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