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1 / 2 page COMSET SEMICONDUCTORS 1/2 2N2646 2N2647 SILICON UNIJONCTION TRANSISTORS Silicon Planar Unijunction Transistors have a structure resulting in lower saturation voltage, peak-point current and valley current as well as a much higher base-one peak pulse voltage. In addition, these devices are much faster switches. The 2N2646 is intended for general purpose industrial applications where circuit economy is of primary importance, and is ideal for use in firing circuits for Silicon Controlled Rectifiers and other applications where a guaranteed minimum pulse amplitude is required. The 2N2647 is intended for applications where a low emitter leakage current and a low peak point emitter current (trigger current) are required and also for triggering high power SCR’s. MAXIMUM RATINGS (*) TJ=125°C unless otherwise noted Symbol Ratings 2N2646 2N2647 VB1E Base 1 – Emitter Voltage 30 V VB2E Base 2 – Emitter Voltage 30 V IFRMS RMS Emitter Current 50 mA IEM Emitter Peak Current 2 A PTOT Total Power Dissipation 300 mW TJ Maximum Junction 150 TSTG Storage Temperature Range -55 to +175 °C ELECTRICAL CHARACTERISTICS TJ=25°C unless otherwise noted, RGK=1000 Ω 2N2646 – 2N2647 Symbol Ratings Min Max IEO Emitter Reverse Current 12 µA V(BR)B1E Base 1 – Emitter Breakdown Voltage IE =100 µA 30 V CASE |
Số phần tương tự - 2N2646 |
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Mô tả tương tự - 2N2646 |
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