NTE311
Silicon NPN Transistor
Frequency Multiplier, Driver, VHF/UHF
Absolute Maximum Ratings:
Collector–Emitter Voltage, VCEO 30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Collectore–Base Voltage, VCBO 55V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Emitter–Base Voltage, VEBO 3.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous Collector Current, IC400mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Device Dissipation (TC = +25°C), PD5W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25°C 28.6mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg –65° to +200°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
OFF Characteristics
Collector–Emitter Breakdown Voltage VCER(sus) IC = 5mA, RBE = 10Ω55 – – V
Collector–Emitter Sustaining Voltage VCEO(sus) IC = 5mA, IB = 0 30 – – V
Emitter–Base Breakdown Voltage V(BR)EBO IF = 100µA, IC = 0 3.5 – – V
Collector Cutoff Current ICEO VCE = 28V, IB = 0 –– – 0.02 mA
ICEX VCE = 30V, VBE = –1.5V, TC = +200°C – – 5.0 mA
VCE = 55V, VBE = –1.5V – – 0.1 mA
Emitter Cutoff Current IEBO VBE = 3.5V, IC = 0 – – 0.1 mA
ON Characteristics
DC Current Gain hFE IC = 50mA, VCE = 5V 25 – 200 –
Collector–Emitter Saturation Voltage VCE(sat) IC = 100mA, IB = 20mAQ – – 1.0 V
Small–Signal Characteristics
Current–Gain Bandwidth Product fTIC = 50mA, VCE = 15V, f = 200MHz 800 – – MHz
Output Capacitance Cobo VCB = 28V, IE = 0, f = 1MHz – – 3.0 pF
Functional Test
Amplifier Power Gain Gpe VCC = 28V, POUT = 1W, f = 400MHz 10 – – dB
Collector Efficiency h VCC = 20V, POUT = 1W, f = 400MHz 45 – – %
.260
(6.6)
Max
.500
(12.7)
Min
.370 (9.39) Dia Max
.355 (9.03) Dia Max
45°
.031 (.793)
Emitter
Base
Collector/Case
.018 (0.45)
