01/99
B-17
2N4867, 2N4867A, 2N4868, 2N4868A, 2N4869, 2N4869A
N-Channel Silicon Junction Field-Effect Transistor
¥ Audio Amplifiers
Absolute maximum ratings at T
A
= 25¡C
Reverse Gate Source & Reverse Gate Drain Voltage
Gate Current
Continuous Device Power Dissipation
Power Derating
Storage Temperature Range
– 40 V
50 mA
300mW
1.7 mW/°C
– 65°C to + 200°C
At 25°C free air temperature:
Static Electrical Characteristics
Gate Source Breakdown Voltage
Gate Reverse Current
Gate Source Cutoff Voltage
Drain Saturation Current (Pulsed)
Dynamic Electrical Characteristics
Common Source Forward
Transconductance
Common Source Output Conductance
Common Source Input Capacitance
Common Source Reverse
Transfer Capacitance
Equivalent Short Circuit
Input Noise Voltage
Noise Figure
g
fs
g
os
C
iss
C
rss
e
N
¯
V
(BR)GSS
I
GSS
V
GS(OFF)
I
DSS
2N4867
2N4867A
Min
– 40
– 0.25
– 0.25
– 0.7
0.4
–2
1.2
Max
2N4868
2N4868A
Min
– 40
– 0.25
– 0.25
–1
1
–3
3
Max
2N4869
2N4869A
Min
– 40
– 0.25
– 0.25
– 1.8
2.5
–5
7.5
Max
Unit
V
nA
µA
V
mA
Process NJ16
Test Conditions
I
G
= – 1µA, V
DS
= ØV
V
GS
= – 30V, V
DS
V
GS
= – 30V, V
DS
= ØV
V
DS
= 20V, I
D
= 1 µA
V
DS
= 20V, V
GS
= ØV
T
A
= 150°C
700
2000
1.5
25
5
20
10
1
1000
3000
4
25
5
20
10
1
1300
4000
10
25
5
20
10
1
µS
µS
pF
pF
nV/√HZ
nV/√HZ
V
DS
= 20V, V
GS
= ØV
V
DS
= 20V, V
GS
= ØV
V
DS
= 20V, V
GS
= ØV
V
DS
= 20V, V
GS
= ØV
V
DS
= 10V, V
GS
= ØV
V
DS
= 10V, V
GS
= ØV
V
DS
= 10V, V
GS
= ØV
f = 1 kHz
f = 1 kHz
f = 1 MHz
f = 1 MHz
f = 10 Hz
f = 1 kHz
f = 1 kHz
NF
dB
(2N4867, 68, 69)
R
G
= 20 kΩ
(2N4867A, 68A, 69A)
R
G
= 5 kΩ
TOÐ72 Package
Dimensions in Inches (mm)
Surface Mount
SMP4867, SMP4867A, SMP4868,
SMP4868A, SMP4869, SMP4869A
Pin Configuration
1 Source, 2 Drain, 3 Gate, 4 Case
www.interfet.com
1000 N. Shiloh Road, Garland, TX 75042
(972) 487-1287
FAX
(972) 276-3375
INTERFET [ INTERFET CORPORATION ]
