2N4857A Vishay, 2N4857A Datasheet - Page 4

• Manufacturer Part Number: 2N4857A
• Description: Transistor
• Manufacturer: Vishay

Specifications of 2N4857A

• Breakdown Voltage Vbr: -40V
• Gate-source Cutoff Voltage Vgs(off) Max: -6V
• Continuous Drain Current Id: 20mA
• Gate-source Breakdown Voltage: -40V
• Mounting Type: Through Hole
• Zero Gate Voltage Drain Current Idss Min: 20mA
• Current Rating: 50mA
• Gate-source Cutoff Voltage: -6V
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

2N4856A/4857A/4858A
Vishay Siliconix
www.vishay.com
7-4
0.1 pA
100 pA
10 nA
10 pA
1 pA
100
1 nA
100
0.1
10
10
1
1
100
10
0
V
I
T
D
V
A
DG
= 10 mA
DG
T
T
Common-Gate Forward Admittance
= 25_C
A
A
= 10 V
= 125_C
= 25_C
= 10 V
Noise Voltage vs. Frequency
6
100
I
D
V
Gate Leakage Current
DG
= 10 mA
200
f – Frequency (MHz)
– Drain-Gate Voltage (V)
f – Frequency (Hz)
12
10 mA
I
D
–g
= 1 mA
I
fg
D
1 k
= 10 mA
1 mA
18
I
G(on)
500
I
GSS
I
10 k
GSS
@ I
@ 25_C
b
24
fg
@ 25_C
D
1 mA
g
fg
100 k
1000
_
30
0.01
100
0.1
0.1
Forward Transconductance and Output Conductance
50
40
30
20
10
10
10
0
1
1
100
100
0
g
V
V
I
T
V
I
T
fs
D
GS
D
A
A
DG
DG
= 10 mA
and g
= 10 mA
Common-Gate Reverse Admittance
= 25_C
= 25_C
= 0 V, f = kHz
= 10 V
V
= 10 V
Common-Gate Input Admittance
–g
b
vs. Gate-Source Cutoff Voltage
GS(off)
–2
ig
rg
os
–b
@ V
200
200
– Gate-Source Cutoff Voltage (V)
rg
f – Frequency (MHz)
f – Frequency (MHz)
DS
g
fs
= 20 V
–4
g
ig
–6
g
+g
os
500
500
rg
S-04028—Rev. D, 04-Jun-01
–8
Document Number: 70243
1000
1000
–10
500
400
300
200
100
0