2N4338 Datasheet, PDF (2/6 Pages) Calogic, LLC – N-Channel JFET Low Noise Amplifier

2N4338/4339/4340/4341
Vishay Siliconix
SPECIFICATIONS FOR 2N4338 AND 2N4339 (T_A = 25_C UNLESS OTHERWISE NOTED)
Limits
2N4338
2N4339
Parameter
Symbol
Test Conditions
Typ^a Min Max Min Max Unit
Static
Gate-Source Breakdown Voltage
Gate-Source Cutoff Voltage
Saturation Drain Current^b
Gate Reverse Current
Gate Operating Current^b
Drain Cutoff Current
Gate-Source Forward Voltage^c
Dynamic
V_(BR)GSS
V_GS(off)
I_DSS
I_GSS
I_G
I_D(off)
V_GS(F)
I_G = –1 mA , V_DS = 0 V
V_DS = 15 V, I_D = 0.1 mA
V_DS = 15 V, V_GS = 0 V
V_GS = –30 V, V_DS = 0 V
T_A = 150_C
V_DG = 15 V, I_D = 0.1 mA
V_DS = 15 V, V_GS = –5 V
I_G = 1 mA , V_DS = 0 V
–57 –50
–50
V
–0.3
–1 –0.6 –1.8
0.2
0.6
0.5
1.5
mA
–2
–100
–100 pA
–4
–100
–100 nA
–2
pA
2
50
50
0.7
V
Common-Source
Forward Transconductance
Common-Source
Output Conductance
Drain-Source On-Resistance
Common-Source
Input Capacitance
Common-Source
Reverse Transfer Capacitance
Equivalent Input Noise Voltage^c
Noise Figure
g_fs
g_os
r_ds(on)
C_iss
C_rss
e_n
NF
V_DS = 15 V, V_GS = 0 V, f = 1 kHz
V_DS = 0 V, V_GS = 0 V, f = 1 kHz
V_DS = 15 V, V_GS = 0 V, f = 1 MHz
V_DS = 10 V, V_GS = 0 V, f = 1 kHz
V_DS = 15 V, V_GS = 0 V
f = 1 kHz, R_G = 1 MW
0.6
1.8
0.8
2.4
mS
5
15
mS
2500
1700
W
5
7
1.5
3
7
pF
3
6
nV⁄
√Hz
1
1
dB
SPECIFICATIONS FOR 2N4340 AND 2N4341 (T_A = 25_C UNLESS OTHERWISE NOTED)
Limits
2N4340
2N4341
Parameter
Symbol
Test Conditions
Typ^a Min Max Min Max Unit
Static
Gate-Source Breakdown Voltage
Gate-Source Cutoff Voltage
Saturation Drain Current^b
Gate Reverse Current
Gate Operating Current^b
Drain Cutoff Current
Gate-Source Forward Voltage
V_(BR)GSS
V_GS(off)
I_DSS
I_GSS
I_G
I_D(off)
V_GS(F)
I_G = –1 mA , V_DS = 0 V
V_DS = 15 V, I_D = 0.1 mA
V_DS = 15 V, V_GS = 0 V
V_GS = –30 V, V_DS = 0 V
T_A = 150_C
V_DG = 15 V, I_D = 0.1 mA
V_DS = 15 V
V_GS = –5 V
V_GS = –10 V
I_G = 1 mA , V_DS = 0 V
–57 –50
–50
V
–1
–3
–2
–6
1.2
3.6
3
9
mA
–2
–100
–100 pA
–4
–100
–100 nA
–2
2
50
pA
3
70
0.7
V
www.vishay.com
7-2
Document Number: 70240
S-04028—Rev. E, 04-Jun-01