U421 Vishay, U421 Datasheet - Page 4

• 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
www.vishay.com
7-4
TYPICAL CHARACTERISTICS (T
100
100
0.5
0.4
0.3
0.2
0.1
80
60
40
20
10
0
0
1
0
10
10
V
GS(off)
T
125_C
Circuit Voltage Gain vs. Drain Current
A
V
DT
DT
Voltage Differential with Temperature
Assume V
A
R
DG
= -55_C
V
L
A
A
+
-0.2
= -1 V
+
= 10 V
= 25 to 125_C
= -55 to 25_C
1 ) R
V
10 V
Transfer Characteristics
25_C
GS
I
D
g
DD
fs
I
I
- Gate-Source Voltage (V)
vs. Drain Current
D
D
R
= 15 V, V
L
- Drain Current (mA)
- Drain Current (mA)
L
-0.4
g
os
-1.5 V
100
100
DS
V
GS(off)
= 5 V
-0.6
U423
U421
= -1 V
V
DS
A
= 10 V
-0.8
= 25_C UNLESS OTHERWISE NOTED)
1000
1000
-1
100
130
120
100
110
10
90
80
5
4
3
2
1
0
1
0.01
10
10
V
T
CMRR = 20 log
A
DG
DV
Gate-Source Differential Voltage
On-Resistance vs. Drain Current
V
= 25_C
Common Mode Rejection Ratio
GS(off)
= 10 V
DG
= 10 - 20 V
= -1 V
I
I
I
D
D
D
vs. Drain Current
vs. Drain Current
- Drain Current (mA)
- Drain Current (mA)
- Drain Current (mA)
5 - 10 V
D
100
100
0.1
V
GS1
DV
S-03180—Rev. D, 17-Feb-03
U423
U421
Document Number: 70248
DG
-
-1.5 V
V
GS2
1000
1000
1