Polarity

+++|---
+/-
---|+++
-/+
2 Pole
4/2 Pole
8/6/4 Pole
AC
AC/DC
Anode Stud (Reverse)
BIDIRECTIONAL
Bidirectional
Bipolar
Bipolar NPN
Bipolar PNP
Cathode Stud (Forward)
DC
Forward
Inverting
MOSFET N-Channel
N
N+N
NO/NC (selectable)
NON-POLARIZED
NPN
NPN (Single)
NPN*PNP
Negative
Non-Inverting
None
Normal
P
P-Type
PNP
POLARIZED
Pair Flipped
Polar
Polarity
Positive
Positive/Negative
Pre-Biased-NPN
Pre-Biased-NPN*PNP
Pre-Biased-PNP
Reverse
Standard
UNIDIRECTIONAL
Unidirectional
Universal
p*n