LSJ201
N-CHANNEL JFET
Linear Systems replaces discontinued Siliconix J201
The LSJ201 is a high gain N-Channel JFET
FEATURES
This n-channel JFET is optimised for high gain. The
DIRECT REPLACEMENT FOR SILICONIX J201
LOW CUT OFF VOLTAGE
HIGH GAIN
part is particularly suitable for use in low power or high
impedance amplifiers. The TO-92 package is well
suited for cost sensitive applications and mass
production.
VGS(off) ≤ 1.5
AV = 80 V/V
ABSOLUTE MAXIMUM RATINGS @ 25°C (unless otherwise noted)
Maximum Temperatures
(See Packaging Information).
Storage Temperature
‐65°C to +150°C
‐55°C to +135°C
LSJ201 Benefits:
Operating Junction Temperature
Maximum Power Dissipation
Continuous Power Dissipation
MAXIMUM CURRENT
High Input Impedance
Low Cutoff Voltage
Low Noise
350mW
LSJ201 Applications:
Forward Gate Current (Note 1)
MAXIMUM VOLTAGES
Gate to Drain Voltage
50mA
Battery powered amplifiers
Audio Pre-Amplifiers
Infra-Red Detector Amplifiers
VGDS = ‐40V
VGSS = ‐40V
Gate to Source Voltage
LSJ201 ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted)
SYMBOL
BVGSS
VGS(off)
IDSS
CHARACTERISTIC
Gate to Source Breakdown Voltage
Gate to Source Cutoff Voltage
Drain to Source Saturation Current (Note 2)
Gate Reverse Current
MIN
‐40
‐0.3
0.2
‐2
TYP.
‐‐
‐‐
‐‐
‐‐
MAX
‐‐
‐1.5
1
UNITS
CONDITIONS
IG = 1µA, VDS = 0V
VDS = 15V, ID = 10nA
VDS = 15V, VGS = 0V
VGS = ‐20V, VDS = 0V
V
mA
IGSS
‐100
Click To Buy
pA
IG
ID(off)
gfs
Ciss
Crss
Gate Operating Current
Drain Cutoff Current
Forward Transconductance
Input Capacitance
Reverse Transfer Capacitance
Equivalent Noise Voltage
‐‐
‐‐
0.5
‐‐
‐‐
‐2
2
‐‐
4.5
1.3
6
‐‐
‐‐
‐‐
‐‐
‐‐
‐‐
VDG = 10V, ID = 0.1mA
VDS = 15V, VGS = ‐5V
VDS = 15V, VGS = 0V , f = 1kHz
VDS = 15V, VGS = 0V, f = 1MHz
mS
pF
en
‐‐
nV/√Hz
VDS = 10V, ID = 1mA , f = 1kHz
Note 1 ‐ Absolute maximum ratings are limiting values above which LSJ201 serviceability may be impaired.
Note 2 – Pulse test: PW≤ 300 µs, Duty Cycle ≤ 3%
Micross Components Europe
TO-92 (Bottom View)
Available Packages:
LSJ201 in TO-92
LSJ201 in bare die.
Please contact Micross for full
package and die dimensions
Tel: +44 1603 788967
Email: chipcomponents@micross.com
Web: http://www.micross.com/distribution
Information furnished by Linear Integrated Systems and Micross Components is believed to be accurate and reliable. However, no responsibility is assumed for its use; nor for any infringement of patents or
other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Linear Integrated Systems.
Micross Components Ltd, United Kingdom, Tel: +44 1603 788967, Fax: +44 1603788920, Email: chipcomponents@micross.com Web: www.micross.com/distribution.aspx