NTE251 NTE Electronics, Inc., NTE251 Datasheet - Page 2

• 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

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

Electrical Characteristics: (T
Note 1. Pulse Test: Pulse Width = 300 s, Duty Cycle = 2%
OFF Characteristics
Collector–Emitter SustainingVoltage
Collector Cutoff Current
Emitter Cutoff Current
ON Characteristics (Note 1)
DC Current Gain
Collector–Emitter Saturation Voltage
Base–Emitter Saturation Voltage
Base–Emitter ON Voltage
Dynamic Characteristics
Small–Signal Current Gain
Magnitude of Common Emitter
Output Capacitance
B
Small–Signal Short–Circuit
Forward Current Transfer Ratio
NTE251
NTE252
Parameter
NPN
A
V
Symbol
= +25 C unless otherwise specified)
V
V
V
CEO(sus)
CE(sat)
I
I
I
BE(sat)
BE(on)
|h
h
C
CEO
CEX
EBO
h
FE
fe
fe
ob
|
Schematic Diagram
I
V
V
V
T
V
V
V
I
I
I
V
V
V
V
C
C
C
C
A
CE
CE
CE
BE
CE
CE
CE
CE
CE
CB
= 100mA, I
= 10A, I
= 20A, I
= 20A, I
= +150 C
E
C
= 5V, I
= 50V, I
= 100V, V
= 100V, V
= 3V, I
= 3V, I
= 3V, I
= 3V, I
= 3V, I
= 10V, I
Test Conditions
B
B
B
C
C
C
C
C
C
B
E
= 40mA
= 200mA
= 200mA
E
= 0
= 10A
= 20A
= 10A
= 10A, f = 1kHz
= 10A, f = 1MHz
B
= 0
= 0, f = 0.1MHz
BE(off)
BE(off)
= 0
= 1.5V
= 1.5V,
PNP
Min
100
750
100
300
4.0
–
–
–
–
–
–
–
–
–
–
Typ
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
18000
Max
400
600
1.0
0.5
5.0
2.0
2.0
3.0
4.0
2.8
–
–
–
–
MHz
Unit
mA
mA
mA
mA
pF
V
V
V
V
V
C
E