U421 Vishay, U421 Datasheet - Page 2

• Manufacturer Part Number: U421
• Description: Transistor
• Manufacturer: Vishay

Specifications of U421

• Breakdown Voltage Vbr: -40V
• Gate-source Cutoff Voltage Vgs(off) Max: -2V
• Power Dissipation Pd: 500mW
• Continuous Drain Current Id: 1mA
• Gate-source Breakdown Voltage: -40V
• Mounting Type: Through Hole
• Current Rating: 10mA
• Gate-source Cutoff Voltage: -2V
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

U421/423
Vishay Siliconix
Notes
a.
www.vishay.com
7-2
SPECIFICATIONS (T
Static
Gate-Source
Breakdown Voltage
Gate-Gate
Breakdown Voltage
Gate-Source
Cutoff Voltage
Saturation Drain Current
Gate Reverse Current
Gate Reverse Current
Gate Operating Current
Gate Operating Current
Drain-Source
On-Resistance
Gate-Source Voltage
Gate-Source
Forward Voltage
Dynamic
Common-Source Forward
Transconductance
Common-Source
Output Conductance
Common-Source Forward
Transconductance
Common-Source
Output Conductance
Common-Source
Input Capacitance
Common-Source
Reverse Transfer
Capacitance
Equivalent Input
Noise Voltage
Noise Figure
Matching
Differential
Gate-Source Voltage
Gate-Source Voltage
Differential Change
with Temperature
Common Mode
Rejection Ratio
Typical values are for DESIGN AID ONLY, not guaranteed or subject to production testing.
Parameter
A
D V
V
= 25_C UNLESS OTHERWISE NOTED)
GS1
GS1
V
Symbol
V
(BR)G1 - G2
V
DT
CMRR
r
V
(BR)GSS
DS(on)
– V
GS(off)
I
I
I
V
C
C
– V
GSS
GSS
GS(F)
DSS
g
g
NF
g
g
e
I
I
GS
G
G
os
os
iss
rss
fs
fs
n
GS2
GS2
Specific Test Conditions
V
V
V
V
V
V
DS
DS
DS
DS
DS
DS
V
DG
I
= 10 V, I
G
= 10 V I
= 10 V, I
V
= 10 V, V
V
V
= 10 V V
= 10 V, V
V
V
V
I
I
V
V
G
GS
G
= "1 mA, I
DG
DG
DG
DG
DS
= 10 to 20 V, I
DS
GS
T
= -1 mA, V
= 1 mA , V
A
= -20 V, V
= 10 V, V
= 10 V, I
= 10 V, I
= 10 V, I
= 10 V, I
= 10 V, I
= -55 to 125_C
= 0 V, I
D
D
D
GS
GS
GS
= 30 mA f = 1 kHz
= 30 mA , f = 1 kHz
= 30 mA , f = 10 Hz
= 0 V, f = 1 MHz
D
= 0 V f = 1 kHz
= 0 V, f = 1 kHz
D
D
D
D
D
D
DS
DS
= 0, I
GS
= 10 mA
DS
= 30 mA
= 30 mA
= 30 mA
= 30 mA
= 1 nA
D
= 0 V
= 0 V
= 0 V
R
= 0 V
= 30 mA
T
T
S
A
A
G
= 0
= 125_C
= 125_C
= 10 MW
Typ
2000
"55
-150
-1.2
400
-0.6
-0.3
-0.2
-0.8
102
-60
0.7
0.6
0.2
0.4
1.4
0.7
30
4
a
Min
"40
0.12
-0.4
-40
0.3
60
90
U421
Max
1000
-0.25
-250
0.35
-1.8
1.5
1.5
10
70
10
10
-2
-1
-1
3
3
1
Limits
S-03180—Rev. D, 17-Feb-03
Min
"40
0.12
Document Number: 70248
-0.4
-40
0.3
60
80
U423
Max
-0.25
1000
-250
0.35
-1.8
1.5
1.5
10
70
25
40
-2
-1
-1
3
3
1
Unit
mV/_C
√Hz
mS
mS
nV⁄
mV
mA
pA
nA
pA
pA
mS
mS
dB
dB
pF
V
W
V
NNT