Product Summary

The 2N4393 is a silicon small signal n-channel jfet. The 2N4393 features many of the superior characteristics of JFETs which make it a good choice for demanding analog switching applications and for specialized amplifier circuits. The applications of the 2N4393 include Analog Switches, Choppers Sample-and-Hold, Normally “On” Switches, Current Limiters, Commutators.

Parametrics

2N4393 absolute maximum ratings: (1)Gate-Drain, Gate-Source Voltage: –40 V; (2)Gate Current: 50 mA; (3)Lead Temperature: 300 ℃; (4)Storage Temperature: –65 to 200 ℃; (5)Operating Junction Temperature: –55 to 200℃; (6)Power Dissipation: (TC = 25C) 1800 mW; (7)Notes: Derate 10 mW/℃ above 25℃.

Features

2N4393 features: (1)Low On-Resistance: 4391 < 30 Ω; (2)Fast Switching—tON: 4 ns; (3)High Off-Isolation: ID(off) with Low Leakage; (4)Low Capacitance: < 3.5 pF; (5)Low Insertion Loss.

Diagrams

2N4393 block diagram 

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
2N4393
2N4393
Central Semiconductor
JFET N-Chan JFET
Data Sheet
0-1: $1.03
1-25: $1.00
25-100: $0.96
100-250: $0.92
2N4393CSM
2N4393CSM
Other

Data Sheet
Negotiable 
2N4393DCSM
2N4393DCSM
Other

Data Sheet
Negotiable 
2N4393-E3
2N4393-E3
Vishay/Siliconix
JFET 55V 5pA
Data Sheet
0-1: $2.39
1-25: $2.24
25-50: $2.09
50-100: $1.97