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
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
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