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NTE6400 Dataheets PDF



Part Number NTE6400
Manufacturers NTE Electronics
Logo NTE Electronics
Description Unijunction Transistor
Datasheet NTE6400 DatasheetNTE6400 Datasheet (PDF)

NTE6400 & NTE6400A Unijunction Transistor Description: The NTE6400 & NTE6400A Silicon Unijunction Transistors are three terminal devices having a stable “N” type negative resistance characteristic over a wide temperature range. A stable peak point voltage, a low peak point current, and a high pulse pulse current make these devices useful in oscillators, timing circuits, trigger circuits, and pulse generators where they can serve the purpose of two conventional silicon or germanium transistors. T.

  NTE6400   NTE6400



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NTE6400 & NTE6400A Unijunction Transistor Description: The NTE6400 & NTE6400A Silicon Unijunction Transistors are three terminal devices having a stable “N” type negative resistance characteristic over a wide temperature range. A stable peak point voltage, a low peak point current, and a high pulse pulse current make these devices useful in oscillators, timing circuits, trigger circuits, and pulse generators where they can serve the purpose of two conventional silicon or germanium transistors. These devices are intended for applications where circuit economy is of primary importance. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) RMS Power Dissipation, PD Unstabilized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450mW Stabilized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600mW Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.9mW/°C RMS Emitter Current, IE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Peak Emitter Current (TJ = +150°C), IE(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A Emitter Reverse Voltage (TJ = +150°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V Interbase Voltage, VBB NTE6400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V NTE6400A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55V Operating Temperature Range, Topr Unstabilized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +140°C Stabilized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +175°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +175°C Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.16°C/mW Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Intrinsic Standoff Ratio NTE6400 NTE6400A Interbase Resistance Modulated Interbase Current Emitter Reverse Current NTE6400 NTE6400A Peak Point Emitter Current Valley Point Current Base–One Peak Pulse Voltage Symbol η Test Conditions VBB = 10V, Note 1 Min 0.4 54 4 6.8 – – – 8 3 Typ – – – – – – – – – Max 0.80 0.67 12 30 12 1 25 – – µA mA V kΩ mA µA Unit RBBO IB2(MOD) IEO VBB = 3V, IE = 0, Note 1 VBB = 10V, IE = 50mA VB2E = 30V, IB1 = 0 IP IV VOB1 VBB = 25V VBB = 20V, RB2 = 100Ω Note 1. The intristic standoff ratio, η, is essentially constant with temperature and interbase voltage. It is defined by the following equation: VP = η VBB + Where VP VBB Tj 200 Tj = Peak point emitter voltage = Interbase voltage = Junction Temperature (Degrees Kelvin) Note 2. The interbase resistance is nearly ohmic and increases with temperature in a well–defined manner. The temperature coefficient at +25°C is approximately 0.8%/°C. .370 (9.39) Dia Max .355 (9.03) Dia Max .260 (6.6) Max .500 (12.7) Min .018 (0.45) Dia .210 (5.33) Dia Max B2 B1 45° Emitter .031 (.793) .


NTE64 NTE6400 NTE6400A


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