John E. Coleman (ARS WA5BXO) wrote:
BTW, ,John - those Transistors I got, and told you about (for the
solid-state audio driving circuit) are
2SC3461's. They would probably be a good replacement for the ECG164's,
for directly driving the grids of a Class B modulator.
--
-Geoff/W5OMR
2SC3461 NPN Triple Diffused Planar Type Silicon Transistor 800V/8A
Switching Regulator Applications SANYO
NPN Triple Diffused Planar Type Silicon Transistor
2SC3461
800V/8A Switching Regulator Applications
Features
· High breakdown voltage and high reliability. · Fast switching speed
(tf : 0.1µs typ). · Wide ASO. · Adoption of MBIT process.
Package Dimensions
unit:mm 2022A
[2SC3461]
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter Collector-to-Base Voltage Collector-to-Emitter Voltage
Emitter-to-Base Voltage Collector Current Collector Current (Pulse) Base
Current Collector Dissipation Junction Temperature Storage Temperature
Symbol VCBO VCEO VEBO IC ICP IB PC Tj Tstg
Tc=25°C PW300µs, Duty Cycle10%
1 : Base 2 : Collector 3 : Emitter SANYO : TO-3PB
Conditions
Ratings 1100 800 7 8 25 4 140 150 55 to +150
Unit V V V A A A W
°C °C
Electrical Characteristics at Ta = 25°C
Parameter Collector Cutoff Current Emitter Cutoff Current DC Current
Gain Gain-Bandwidth Product Output Capacitance Symbol ICBO IEBO hFE1
hFE2 fT Cob VCB=800V, IE=0 VEB=5V, IC=0 VCE=5V, IC=0.6A VCE=5V, IC=3A
VCE=10V, IC=0.6A VCB=10V, f=1MHz 10* 8 15 155 MHz pF Conditions Ratings
min typ max 10 10 40* Unit µA µA
* : The hFE1 of the 2SC3461 is classified as follows. When specifying
the hFE1 rank, specify two ranks or more in principle.
10 K 20 15 L 30 20 M 40