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2N3821UB Datasheet(PDF) 2 Page - Microsemi Corporation

Part # 2N3821UB
Description  N-CHANNEL J-FET DEPLETION MODE
Download  4 Pages
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

2N3821UB Datasheet(HTML) 2 Page - Microsemi Corporation

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TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
Gort Road Business Park, Ennis, Co. Clare, Ireland
1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803
Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298
Website: http://www.microsemi.com
T4-LDS-0005 Rev. 2 (101425)
Page 2 of 4
DYNAMIC CHARACTERISTICS
Parameters / Test Conditions
Symbol
Min.
Max.
Unit
Small-Signal Common Source, Short-Circuit Forward Transfer Admittance
VGS = 0, VDS = 15V dc, f = 1.0kHz
2N3821 / UB
2N3822 / UB
2N3823 / UB
|yfs|
1
1500
3000
3500
4500
6500
6500
μS
Small-Signal, Common Source, Short-Circuit Output Admittance
VGS = 0, VDS = 15V dc, f = 1.0kHz
2N3821 / UB
2N3822 / UB
2N3823 / UB
|yos|
10
20
35
μS
Small-Signal, Common-Source Short-Circuit Input Capacitance
VGS = 0V dc, VDS = 15V dc, 100kHz ≤ f ≤ 1.0MHz
Ciss
6.0
pF
Small-Signal, Common-Source Reverse Transfer Capacitance
VDS = 15V dc, VGS = 0, 100kHz ≤ f ≤ 1.0MHz
2N3821 / UB
2N3822 / UB
2N3823 / UB
Crss
3.0
3.0
2.0
pF
Small-Signal, Common-Source, Short-Circuit Forward Transfer Admittance
VGS = 0, VDS = 15V dc, f = 100MHz
f = 100MHz
f = 200MHz
2N3821 / UB
2N3822 / UB
2N3823 / UB
|yfs|
3
1500
3000
3200
μS
Small-Signal, Common-Source Short-Circuit Input Conductance
VGS = 0, VDS = 15V dc, f = 200MHz
2N3823 (only)
gis
800
μS
Small-Signal, Common-Source Short-Circuit Output Conductance
VGS = 0, VDS = 15V dc, f = 200MHz
2N3823 (only)
gos
200
μS
Common Source Spot Noise Figure
VGS = 0, VDS = 15V dc, RG = 1MΩ
f = 10Hz
f = 1.0kHz
2N382, 2N3822 / UB
2N3821, 2N3822, 2N3823 / UB
NF1
5.0
2.0
dB
Common Source Spot Noise Figure
VGS = 0, VDS = 15V dc, RG = 1kΩ
f = 105MHz
2N3823 / UB (only)
NF2
2.5
dB


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