U421 Vishay, U421 Datasheet - Page 3

• 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

Document Number: 70248
S-03180—Rev. D, 17-Feb-03
TYPICAL CHARACTERISTICS (T
0.25
0.15
1.6
1.2
0.8
0.4
0.5
0.4
0.3
0.2
0.1
0.2
0.1
0.5
2
0
0
0
0
0
0
V
V
V
GS(off)
GS(off)
Drain Current and Transconductance
GS(off
V
vs. Gate-Source Cutoff Voltage
GS(off)
0.2
-1
4
= -1 V
)
= -1 V
= -1 V
g
V
V
fs
DS
DS
Output Characteristics
Output Characteristics
- Gate-Source Cutoff Voltage (V)
- Drain-Source Voltage (V)
- Drain-Source Voltage (V)
I
g
f = 1 kHz
DSS
fs
-2
0.4
@ V
8
@ V
DS
DS
V
= 10 V, V
GS
= 10 V, V
0.6
12
-3
I
= 0 V
DSS
GS
GS
V
= 0 V
GS
= 0 V
0.8
16
-4
A
= 0 V
-0.1 V
-0.2 V
-0.3 V
-0.4 V
-0.5 V
-0.6 V
-0.7 V
-0.6 V
-0.7 V
-0.1 V
-0.2 V
-0.3 V
-0.4 V
-0.5 V
= 25_C UNLESS OTHERWISE NOTED)
20
-5
1
1
0.8
0.6
0.4
0.2
0
100 nA
100 pA
0.1 pA
10 nA
10 pA
1 nA
1 pA
0.8
0.6
0.4
0.2
0.5
0.4
0.3
0.2
0.1
1
0
0
0
0
0
V
T
GS(off)
A
V
T
GS(off)
= 25_C
A
= 125_C
= -1.5 V
0.2
4
10
= -1.5 V
V
V
V
DS
Output Characteristics
Output Characteristics
DS
Gate Leakage Current
DG
- Drain-Source Voltage (V)
- Drain-Source Voltage (V)
100 mA
- Drain-Gate Voltage (V)
8
0.4
20
Vishay Siliconix
-1.0 V
I
GSS
12
0.6
30 mA
30
@ 25_C
U421/423
V
V GS = 0 V
GS
30 mA
16
0.8
40
www.vishay.com
= 0 V
-0.2 V
-0.4 V
-0.6 V
-0.8 V
I
-0.2 V
-0.4 V
-0.6 V
-0.8 V
-1.0 V
D
I
GSS
= 100 mA
20
50
1
7-3