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® BF421
SMALL SIGNAL PNP TRANSISTOR
PRELIMINARY DATA
Ordering Code BF421 BF421-AP
Marking Package / Shipment BF421 TO-92 / Bulk BF421 TO-92 / Ammopack
s SILICON EPITAXIAL PLANAR PNP HIGH
VOLTAGE TRANSISTOR
s TO-92 PACKAGE SUITABLE FOR
THROUGH-HOLE PCB ASSEMBLY
s THE NPN COMPLEMENTARY TYPE IS
)BF420 ct(sAPPLICATIONS us VIDEO AMPLIFIER CIRCUITS (RGB dCATHODE CURRENT CONTROL) ros TELEPHONE WIRELINE INTERFACE (HOOK lete PSWITCHES, DIALER CIRCUITS)
TO-92 Bulk
TO-92 Ammopack
INTERNAL SCHEMATIC DIAGRAM
Product(s) - ObsoABSOLUTE MAXIMUM RATINGS
leteSymbol
Parameter
oVCBO Collector-Base Voltage (IE = 0)
bsVCEO Collector-Emitter Voltage (IB = 0)
O VEBO Emitter-Base Voltage (IC = 0)
Value -300 -300
-5
Unit V V V
IC Collector Current
-500
mA
ICM Collector Peak Current (tp < 5ms
BF421 Datasheet
