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NTE157 Datasheet(PDF) 2 Page - NTE Electronics

Part No. NTE157
Description  Silicon NPN Transistor Audio Power Amp, High Voltage Converter (Compl to NTE39)
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
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NTE157 Datasheet(HTML) 2 Page - NTE Electronics

   
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Electrical Characteristics (Cont’d): (TC = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
ON Characteristics (Note 1)
DC Current Gain
hFE
IC = 50mA, VCE = 10V
25
IC = 100mA, VCE = 10V
30
250
IC = 250mA, VCE = 10V
15
IC = 500mA, VCE = 10V
5
Collector–Emitter Saturation Voltage
VCE(sat)
IC = 100mA, IB = 10mA
1
V
IC = 250mA, IB = 25mA
2.5
IC = 500mA, IB = 100mA
10
Base–Emitter Voltage
VBE
IC = 100mA, VCE = 10V
1
V
Dynamic Characteristics
Current–Gain–Bandwidth Product
fT
IC = 50mA, VCE = 10V, f = 10MHz, Note 2
10
MHz
Output Capacitance
Cob
VCB = 10V, IE = 0, f = 100kHz
25
pF
Small–Signal Current Gain
hfe
IC = 100mA, VCE = 10V, f = 1kHz
20
Note 1. Pulse Test: Pulse Width
≤ 300µs, Duty Cycle ≤ 2%.
Note 2. fT is defined as the frequency at which |hfe| extrapolates to unity.
.330 (8.38)
Max
.450
(11.4)
Max
.655
(16.6)
Max
.130 (3.3)
Max
.175
(4.45)
Max
.030 (.762) Dia
.090 (2.28)
.118 (3.0)
Dia
EC
B


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