NTE251 NTE Electronics, Inc., NTE251 Datasheet
NTE251
Manufacturer Part Number
NTE251
Description
Transistor, NPN; TO3; NPN; 100 V (Max.); 100 V (Max.); 5 V (Max.); 20 A (Max.)
Manufacturer
NTE Electronics, Inc.
Type
Amplifier, Powerr
Datasheet
1.NTE251.pdf
(3 pages)
Specifications of NTE251
Current, Base
500 mA (Max.)
Current, Collector
20 A (Max.)
Current, Collector Cutoff
1.0 mA (Max.) @ 50 V
Current, Gain
100
Current, Input
500 mA
Current, Output
20 A
Package Type
TO-3
Polarity
NPN
Power Dissipation
160 W
Primary Type
Si
Resistance, Thermal, Junction To Case
1.09 °C⁄W (Max.)
Temperature Range, Junction, Operating
-65 to +200 °C
Transistor Polarity
NPN
Voltage, Collector To Base
100 V (Max.)
Voltage, Collector To Emitter
100 V (Max.)
Voltage, Collector To Emitter, Saturation
3 V
Voltage, Emitter To Base
5 V (Max.)
Voltage, Input
5 V
Voltage, Output
100 V
Voltage, Saturation, Collector To Emitter
2.0 V (Max.) @ 10 A
Voltage, Sustaining, Collector To Emitter
100 V (Min.) @ 100 mA
Collector-emitter Sustaining Voltage
VCEO (sus) == 100 V Min
Lead Free Status / Rohs Status
RoHS Compliant part
Description:
The NTE251 (NPN) and NTE252 (PNP) are silicon complementary Darlington transistors in a TO3
type case designed for general–purpose amplifier and low–frequency switching applications.
Features:
D High DC Current Gain @ I
D Collector–Emitter Sustaining Voltage: V
D Monolithic Construction with Built–In Base–Emitter Shunt Resistors
Absolute Maximum Ratings: (T
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
h
h
Continuous
Peak
Derate Above 25 C
FE
FE
= 2400 Typ (NTE251)
= 4000 Typ (NTE252)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Silicon Complementary Transistors
EB
CB
C
NTE251 (NPN) & NTE252 (PNP)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
= +25 C), P
CEO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Darlington Power Amplifier
C
stg
= 10A:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
= +25 C unless otherwise specified)
D
J
thJC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CEO(sus)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
= 100V Min
–65 to +200 C
–65 to +200 C
0.915W/ C
1.09 C/W
500mA
160W
100V
100V
20A
40A
5V
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NTE251 Summary of contents
Page 1
... NTE251 (NPN) & NTE252 (PNP) Silicon Complementary Transistors Description: The NTE251 (NPN) and NTE252 (PNP) are silicon complementary Darlington transistors in a TO3 type case designed for general–purpose amplifier and low–frequency switching applications. Features: D High DC Current Gain @ 2400 Typ (NTE251) ...
Page 2
... Base–Emitter Saturation Voltage Base–Emitter ON Voltage Dynamic Characteristics Small–Signal Current Gain Magnitude of Common Emitter Small–Signal Short–Circuit Forward Current Transfer Ratio Output Capacitance NTE251 NTE252 Note 1. Pulse Test: Pulse Width = 300 s, Duty Cycle = 2% B NPN = +25 C unless otherwise specified) A Symbol ...
Page 3
Max .350 (8.89) .312 (7.93) Min Emitter .215 (5.45) .430 (10.92) Base .875 (22.2) Dia Max .040 (1.02) 1.187 (30.16) .665 (16.9) .156 (3.96) Dia (2 Holes) .188 (4.8) R Max .525 (13.35) R Max Collector/Case Seating Plane ...