NTE249 (NPN) & NTE250 (PNP)
Silicon Complementary Transistors
Darlington Power Amplifier
Description:
The NTE249 (NPN) and NTE250 (PNP) are silicon complementary Darlington transistors in a TO3
type case designed for use as output devices in complementary general purpose amplifier applications.
Features:
D
High DC Current Gain: h
FE
= 3500 Typ @ I
C
= 10A
D
Monolithic Construction with BuiltIn BaseEmitter Shunt Resistors
Absolute Maximum Ratings:
CollectorEmitter Voltage, V
CEO
100V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CollectorBase Voltage, V
CB
100V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EmitterBase Voltage, V
EB
5V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Collector Current, I
C
16A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Base Current, I
B
500mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Power Dissipation (T
C
= +25
C), P
D
150W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
C
0.857W/
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature Range, T
J
55
to +200
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
55
to +200
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, JunctiontoCase, R
thJC
1.17
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
C
= +25
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
OFF Characteristics
CollectorEmitter Breakdown Voltage
V
(BR)CEO
I
C
= 100mA, I
B
= 0, Note 1
100
V
CollectorEmitter Leakage Current
I
CEO
V
CE
= 50V, I
E
= 0
3.0
mA
I
CER
V
CB
= 100V, R
BE
= 1k
1.0
mA
V
CB
= 100V, R
BE
= 1k
, T
A
= +150
C
5.0
mA
Emitter Cutoff Current
I
EBO
V
BE
= 5V, I
C
= 0
5.0
mA
Note 1. Pulse Test: Pulse Width = 300
s, Duty Cycle = 2%
Electrical Characteristics (Cont'd): (T
A
= +25
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
ON Characteristics (Note 1)
DC Current Gain
h
FE
V
CE
= 3V, I
C
= 10A
1000
CollectorEmitter Saturation Voltage
V
CE(sat)
I
C
= 10A, I
B
= 40mA
2.5
V
I
C
= 16A, I
B
= 80mA
4.0
V
BaseEmitter Voltage
V
BE
V
CE
= 3V, I
C
= 10A
3.0
V
Note 1. Pulse Test: Pulse Width = 300
s, Duty Cycle = 2%
NTE249
NTE250
B
C
E
B
C
E
1.187 (30.16)
.875 (22.2)
Dia Max
.665
(16.9)
.430
(10.92)
Seating
Plane
.040 (1.02)
.312 (7.93) Min
.135 (3.45) Max
.350 (8.89)
Emitter
Collector/Case
Base
.215 (5.45)
.525 (13.35) R Max
.188 (4.8) R Max
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