
NTE2591
Silicon NPN Transistor
High Voltage Amp/Switch
Features:
D High Breakdown Voltage, High Reliability 
D Low Output Capacitance 
D Wide ASO Range
Absolute Maximum Ratings:
Collector–Base Voltage, V 
Collector–Emitter Voltage, V 
Emitter–Base Voltage, V 
Collector Current, I
EBO
C
 (TA = +25°C unless otherwise specified)
CBO
CEO
Continuous 20mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Peak 60mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Collector Power Dissipation, P 
Operating Junction Temperature, T 
Storage Temperature Range, T
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
Collector Cutoff Current I 
Emitter Cutoff Current I 
DC Current Gain h 
Gain–Bandwidth Product f 
Output Capacitance C 
Collector Emitter Saturation Voltage V 
Base Emitter Saturation Voltage V 
Collector Base Breakdown Voltage V 
Collector Emitter Breakdown Voltage V 
Emitter Base Breakdown Voltage V
C
J
stg
 (TA = +25°C unless otherwise specified)
CBO 
EBO
FE
T
ob 
CE(sat)IC 
BE(sat)IC
(BR)CBOIC 
(BR)CEOIC 
(BR)EBOIE
VCB = 900V, IE = 0 – – 1.0 µA 
VEB = 4V, IC = 0 – – 1.0 µA 
VCE = 5V, IC =1mA 20 50 120 
VCE = 10V, IC = 1mA – 6 – MHz 
VCB = 100V, f = 1MHz – 1.6 – pF
2000V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
900V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
1.2W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
+150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
 = 2mA, IB = 400µA – – 5 V 
 =2mA, IB = 400µA – – 2 V 
 = 1mA, IE = 0 2000 – – V 
 = 1mA, RBE = ∞ 900 – – V 
 = 1mA, IC = 0 5 – – V