NTE2408
Silicon NPN Transistor
General Purpose Amp, Surface Mount
(Compl to NTE2409)
Description:
The NTE2408 is a silicon NPN general purpose transistor in a SOT–23 type surface mount package
designed for use in driver stages of audio amplifiers in thick and thin–film hybrid circuits.
Absolute Maximum Ratings:
Collector–Base Voltage, VCBO 80V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Collector–Emitter Voltage, VCES 80V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Collector–Emitter Voltage, VCEO 65V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Emitter–Base Voltage, VEBO 6V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Collector Current, IC
Continuous 100mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak 200mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Emitter Current, IEM 200mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Base Current, IBM 200mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Power Dissipation (TA = +60°C, Note 1), Ptot 200mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction Temperature, TJ+150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg –65 ° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Tab, RthJT 60K/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Tab–to–Soldering Points, RthTS 280K/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Soldering Points–to–Ambient (Note 1), RthSA 90K/W. . . . . . . . . . . . . . . . . . . .
Note 1. Mounted on a ceramic substrate .314 (8mm) x .393 (10mm) x .027 (0.7mm).
Electrical Characteristics: (TJ = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Collector Cutoff Current ICBO VCB = 30V, IE = 0 15 nA
VCB = 30V, IE = 0, TA = +150°C 5 µA
Base–Emitter Voltage VBE VCE = 5V, IC = 2mA, Note 2 580 660 700 mV
VCE = 5V, IC = 10mA, Note 2 770 mV
Collector–Emitter Saturation Voltage VCE(sat) IC = 10mA, IB = 0.5mA, Note 3 90 250 mV
IC = 100mA, IB = 5mA, Note 3 200 600 mV
Note 2. VBE decreases by about 2mV/K with increasing temperature.
Note 3. VBE(sat) decreases by about 1.7mV with increasing temperature.
Electrical Characteristics (Cont’d): (TJ = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
BaseEmitter Saturation Voltage VBE(sat) IC = 10mA, IB = 0.5mA, Note 3 700 mV
IC = 100mA, IB = 5mA, Note 3 900 mV
DC Current Gain hFE VCE = 5V, IC = 10µA150 200
VCE = 5V, IC = 2mA 290 450
Transition Frequency fTVCE = 5V, IC = 10mA, f = 35MHz 300 MHz
Collector Capacitance CcVCB = 10V, IE = Ie = 0, f = 1MHz 2.5 pF
SmallSignal Current Gain hfe VCE = 5V, IC = 2mA 125 500
Noise Figure NF VCE = 5V, IC = 200µA, f = 1kHz,
B = 200Hz 2 10 dB
Note 3. VBE(sat) decreases by about 1.7mV with increasing temperature.
.098
(2.5)
Max
.074 (1.9)
.118 (3.0) Max .051
(1.3)
.043 (1.1)
.007 (0.2)
.016 (0.48)
.037 (0.95)
B
C
E