Spec. No. : HE6464
Issued Date : 1993.09.07
Revised Date : 2005.02.15
Page No. : 1/4
HI-SINCERITY
MICROELECTRONICS CORP.
HT666
NPN EPITAXIAL PLANAR TRANSISTOR
Description
The HT666 is designed for general purpose amplifier and high-speed,medium-
power switching applications.
TO-92
Features
• High Frequency Current Gain
• High Speed Switching Transistor
Absolute Maximum Ratings
• Maximum Temperatures
Storage Temperature ........................................................................................................................... -55 ~ +150 °C
Junction Temperature ................................................................................................................... +150 °C Maximum
• Maximum Power Dissipation
Total Power Dissipation (TA=25°C) ............................................................................................................... 625 mW
• Maximum Voltages and Currents (TA=25°C)
BVCBO Collector to Base Voltage......................................................................................................................... 75 V
BVCEO Collector to Emitter Voltage...................................................................................................................... 40 V
BVEBO Emitter to Base Voltage.............................................................................................................................. 6 V
IC Collector Current........................................................................................................................................ 600 mA
Electrical Characteristics (TA=25°C)
Symbol
BVCBO
*BVCEO
BVEBO
ICBO
Min.
75
40
6
Typ.
Max.
Unit
V
Test Conditions
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
IC=10uA
IC=100mA
IE=10uA
VCB=60V
V
-
V
-
10
10
50
300
1
nA
nA
nA
mV
V
ICEX
-
VCB=60V, VEB(off)=3V
VEB=3V
IEBO
-
*VCE(sat)1
*VCE(sat)2
*VBE(sat)1
*VBE(sat)2
*hFE1
-
IC=150mA, IB=15mA
IC=500mA, IB=50mA
IC=150mA, IB=15mA
IC=500mA, IB=50mA
VCE=10V, IC=100uA
VCE=10V, IC=1mA
-
-
1.2
2
V
-
V
35
50
75
100
40
50
300
-
-
*hFE2
-
-
*hFE3
-
-
VCE=10V, IC=10mA
*hFE4
300
-
-
VCE=10V, IC=150mA
VCE=10V, IC=500mA
VCE=1V, IC=150mA
*hFE5
-
-
-
-
*hFE6
-
-
fT
-
MHz
IC=20mA, VCE=20V, f=100MHz
*Pulse Test: Pulse Width ≤380us, Duty Cycle≤2%
HT666
HSMC Product Specification