# Radio Frequency Diode
-- Diode is a pn junction device, which allows the current to flow in one direction. In
this chapter different types of diodes have been discussed.
## RF Diode(DRN142S)

```
* DRN142S Diode model
.MODEL DRN142S D( IS=127.76E-12 N=1.7346 RS=.1581 IKF=.14089 CJO=385.59E-15
M=.11823 VJ=.78827 ISR=139.38E-12 NR=3 BV=60 TT=275.00E-9 )

```