PN4117A Datasheet, PDF (1/3 Pages) Fairchild Semiconductor – N-Channel Switch

PN4117A
N-Channel Switch
• This device is designed for low current DC and audio application.
These devices provide excellent performance as input stages for sub-
picoamp instrumentation or any high impedance signal sources.
• Sourced from process 53.
1
TO-92
1. Drain 2. Source 3. Gate
Absolute Maximum Ratings * T_A=25°C unless otherwise noted
Symbol
Parameter
V_DG
Drain-Gate Voltage
V_GS
Gate-Source Voltage
I_GF
Forward Gate Current
T_STG
Operating and storage Temperature Range
* These ratings are limiting values above which the serviceability of any semiconductor device may be impaired
Value
40
-40
50
- 55 ~ 150
NOTES:
1. These ratings are based on a maximum junction temperature of 150degrees C.
2. These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations
Units
V
V
mA
°C
Electrical Characteristics T_A=25°C unless otherwise noted
Symbol
Parameter
Test Condition
Off Characteristics
V_(BR)GSS Gate-Source Breakdown Voltage
V_GS(off) Gate-Source Cutoff Voltage
I_GSS
Gate Reverse Current
On Characteristics
V_DS = 0, I_G = -1µA
V_DS = -10V, I_D = 1.0nA
V_DS = 0V, V_GS = -20V
I_DSS
Zero-Gate Voltage Drain Current *
Small Signal Characteristics
V_DS = 10V, V_GS = 0
gfs
Common Source Forward Transconductance V_DS = 10V, V_GS = 0
f = 1.0KHz
g_OSS
Common Source Output Conductance
V_DS = 10V, V_GS = 0
f = 1KHz
R_E(YFS)
Common Source Forward Conductance
V_DS = 10V, V_GS = 0
f = 30MHz
C_ISS
Input Capacitance
V_DS = 10V, V_GS = 0
f = 1.0KHz
C_rss
Reverse Transfer Capacitance
* Pulse Test: Pulse Width ≤ 300µs, Duty Cycle ≤ 1.0%
V_DS = 10V, V_GS = 0
f = 1.0MHz
Min. Typ. Max. Units
-40
V
-0.6
-1.8
V
-1.0
pA
30
90
µA
70
210 mmhos
3.0 mmhos
60
mmhos
3.0
pF
1.5
pF
Thermal Characteristics T_A=25°C unless otherwise noted
Symbol
Parameter
P_D
Total Device Dissipation
Derate above 25°C
R_θJC
R_θJA
Thermal Resistance, Junction to Case
Thermal Resistance, Junction to Ambient
Max.
350
2.8
125
357
Units
mW
mW/°C
°C/W
°C/W
©2002 Fairchild Semiconductor Corporation
Rev. A1, November 2002