Filter
Top Products
GRAPHIC SYMBOLS USED ON SCHEMATIC AND BLOCK DIAGRAMS
BASIC COMPONENT SYMBOLS
VARIABLE
RESISTOR
CIRCUIT
ASSEMBLY
(WIPER
Moves
TOWARD
cw
BORDERLINE
‘=‘-b=
FUSE
WHEN
SHAFT
IS
ROTATED
IN
A
CLOCKWISE
DIRECTION)
HEAVY
LINE
WITH
ARROWS
INDICATES
A
INDICATES
PATH
AND
MECHANICAL
DIRECTION
OF
MAIN
SIGNAL
CONNECTION
THERMISTOR
it
ELECTROLYTIC
CAPACITOR
-11
CAPACITOR
2
VARIABLE
CAPACITOR
I_
I-
FEEDTHROUGH
CAPACITOR
-
FERROUS-CORE
INDUCTOR
+
SLUG-TUNED
INDUCTOR
3
fr
-o-
-63
HEAVY
DASHED
LINE
WITH
ARROWS
INDICATES
PATH
AND
DIRECTION
OF
MAIN
FEEDBACK
DIGITAL
BUS
INDICATES
A
SOLDERED
CONNECTION
-@-
SURFACE
ACOUSTIC
WAVE
(SAW)
A
JUMPER
WIRE
LIGHT-EMITTING
DIODE
PIN
DIODE
SW1
<
;k;-:k
;c”,;‘,,
OR
TRIAC
-@
FERRITE
BEAD
STEP
RECOVERY
DIODE
@
TEMPERATURE-COMPENSATED
RELAY(BOX
OFTEN
OMITTED)
J
VOLTAGE-REFERENCE
DIODE
@
SILICON
CONTROLLED
RECTIFIER
(SCR)
-4
3
(ALTERNATE
RELAY)
@
TRANSISTOR.
PNP
-1rlt
CRYSTAL
TRANSISTOR,
NPN
4
SPEAKER
@
JUNCTION-FET.
N-CHANNEL
+
GENERAL
PURPOSE
DIODE
fa
e-
BREAKDOWN
DIODE
(ZENER)
63
JUNCTION-FET.
P-CHANNEL
J
49
SCHOTTKY
DIODE
@
MOS-FET.
N-CHANNEL
ENHANCEMENT
MODE
-B
VARACTOR
DIODE
it-
@
MOS-FET.
P-CHANNEL
ENHANCEMENT
MODE
Q
INDICATES
SHIELDING
CONDUCTOR
FOR
CABLES
8
GROUNDED
COAXIAL
SHIELDING
*
INDICATES
FACTORY
SELECTED
COMPONENT
SW1
PUSHBUTTON
SWITCH
4
c
NORMALLY
CLOSED
SW1
-L-
PUSHBUTTON
SWITCH
a*
NORMALLY
OPEN
Ix
AIR-CORE
TRANSFORMER
FERROUS-CORE
TRANSFORMER
MOS-FET,N-CHANNEL
DEPLET
I
ON MODE
MOS-FET.P-CHANNEL
DEPLETION
MODE
Figure 5. Graphic Symbols (1 of 2)
General Information 11