NTE157 NTE Electronics, Inc., NTE157 Datasheet
NTE157
Manufacturer Part Number
NTE157
Description
Transistor; NPN; 300 V; 325 V; 6 V; 500 mA; 250 mA; 20 W; 0.1 mA (Max.); 5
Manufacturer
NTE Electronics, Inc.
Type
Audio Amplifier, High Voltager
Datasheet
1.NTE157.pdf
(2 pages)
Specifications of NTE157
Current, Base
250 mA
Current, Collector
1 A
Current, Collector Cutoff
0.1 mA (Max.)
Current, Gain
5
Frequency
10 MHz
Gain, Dc Current, Minimum
5
Package Type
TO-126
Polarity
NPN
Power Dissipation
20 W
Primary Type
Si
Resistance, Thermal, Junction To Case
6.25 °C/W
Transistor Type
NPN
Voltage, Breakdown, Collector To Emitter
300 V
Voltage, Collector To Base
325 V
Voltage, Collector To Emitter
300 V
Voltage, Collector To Emitter, Saturation
10 V
Voltage, Emitter To Base
6 V
Voltage, Saturation, Collector To Emitter
10 V (Max.)
Description:
The NTE157 is a silicon NPN transistor in a TO126 type package designed for use in line–operated
equipment such as audio output amplifiers, low–current, high–voltage converters, and AC line relays.
Features:
D Excellent DC Current Gain: h
D Current–Gain – Bandwidth Product: f
Absolute Maximum Ratings:
Collector–Emitter Voltage, V
Collector–Base Voltage, V
Emitter–Base Voltage, V
Collector Current, I
Base Current, I
Total Power Dissipation (T
Operating Junction Temperature Range, T
Storage Temperature Range, T
Thermal Resistance, Junction to case, R
Electrical Characteristics: (T
OFF Characteristics
Collector–Emitter Sustaining Voltage
Collector–Emitter Breakdown Voltage
Collector Cutoff Current
Emitter Cutoff Current
Continuous
Peak
Derate Above 25 C
Parameter
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Power Amp, High Voltage Converter
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EB
CB
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
= +25 C), P
CEO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
stg
C
V
V
Symbol
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Silicon NPN Transistor
CEO(sus)
= +25 C unless otherwise specified)
(BR)CEO
FE
I
I
I
I
CEO
CBO
EBO
CEX
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
= 30 to 250 @ I
(Compl to NTE39)
D
I
I
V
V
V
V
V
T
C
C
JC
CE
CE
CE
CB
EB
J
= 10MHz (Min) @ I
= 100mA (Inductive), L = 50mH
= 1mA, I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NTE157
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
= 6V, I
= 200V, I
= 300V, V
= 300V, V
= 325V, I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B
C
Test Conditions
= 0
= 0
B
E
C
EB(off)
EB(off)
= 0
= 0
= 100mA
= 1.5V
= 1.5V, T
C
= 50mA
C
= +100 C
Min
300
300
–
–
–
–
–
Typ
–65 to +150 C
–65 to +150 C
–
–
–
–
–
–
–
Max
0.1
0.1
1.0
0.16W/ C
6.25 C/W
10
10
–
–
500mA
250mA
300V
325V
Unit
20W
mA
mA
mA
V
V
A
A
6V
1A
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NTE157 Summary of contents
Page 1
... Audio Power Amp, High Voltage Converter Description: The NTE157 is a silicon NPN transistor in a TO126 type package designed for use in line–operated equipment such as audio output amplifiers, low–current, high–voltage converters, and AC line relays. Features: D Excellent DC Current Gain Current–Gain – Bandwidth Product: f Absolute Maximum Ratings: Collector– ...
Page 2
Electrical Characteristics (Cont’d): (T Parameter ON Characteristics (Note 1) DC Current Gain Collector–Emitter Saturation Voltage Base–Emitter Voltage Dynamic Characteristics Current–Gain–Bandwidth Product Output Capacitance Small–Signal Current Gain Note 1. Pulse Test: Pulse Width Note defined as the frequency ...