Fairchild PN4117, PN4118, PN4119, MMBF4117, MMBF4118 service manual
...
PN4117 / 4118 / 4119 / MMBF4117 / 4118 / 4119
PN4117
PN4118
PN4119
G
S
D
TO-92
MMBF4117
MMBF4118
MMBF4119
G
SOT-23
Mark: 61A / 61C / 61E
NOTE: Source & Drain
are interchangeable
S
D
N-Channel Switch
This device is designed for low current DC and audio applications.
These devices provide excellent performance as input stages for
sub-picoamp instrumentation or any high impedance signal
sources. Sourced from Process 53.
Absolute Maximum Ratings* TA = 25°C unless otherwise noted
Symbol Parameter Value Units
V
DG
V
GS
I
GF
TJ ,T
stg
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
NOTES:
1) These ratings are based on a maximum junction temperature of 150 degrees C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.
Drain-Gate Voltage 40 V
Gate-Source Voltage - 40 V
Forward Gate Current 50 mA
Operating and Stora ge Junction Temperature Range -55 to +150
°
C
Thermal Characteristics TA = 25°C unless otherwise noted
Symbol Characteristic Max Units
PN4117-4119 *MMBF4117-4119
P
D
R
JC
θ
R
JA
θ
*Device mounted on FR-4 PCB 1.6" X 1.6" X 0.06."
1997 Fairchild Semiconductor Corporation
Total Device Dissipation
Derate above 25°C
Thermal Resistance, Junction to Case 125
Thermal Resistance, Junction to Am bi ent 357 556
350
2.8
225
1.8
mW
mW/°C
C/W
°
C/W
°
N-Channel Switch
(continued)
Electrical Characteristics TA = 25°C unless otherwise noted
Symbol Parameter Test Conditions Min Max Units
OFF CHARACTERISTICS
V
(BR)GSS
I
GSS
V
GS(off)
Gate-Source Breakdown Voltage
Gate Reverse Current VGS = - 20 V, VDS = 0
Gate-Source Cutoff Voltage
ON CHARACTERISTICS
I
DSS
Zero-Gate Voltage Drain Current*
SMALL-SIGNAL CHARACTERISTICS
Common-Source Forward
Transconductance
Common-Source Output
Conductance
Common-Source Forwad
Transconductance
Input Capacitance VDS = 10 V, VGS = 0, f= 1.0 kHz 3.0 pF
Reverse Transfer Capacitance VDS = 10 V, VGS = 0, f= 1.0 MHz, 1.5 pF
g
g
R
C
C
fs
oss
e(yfs)
iss
rss
*Pulse T est: Pulse Width ≤ 300 µs, Duty Cycle ≤ 1.0%
= - 1.0 µA, VDS = 0
I
G
= - 20 V, VDS = 0, TA = 150°C
V
GS
V
= - 10 V, ID = 1.0 nA
DS
V
= 10 V, VGS = 0
DS
VDS = 10 V VGS = 0, f= 1.0 kHz
4117
VDS = 10 V VGS = 0, f= 1.0 kHz
4117
4118
4119
VDS = 10 V, VGS = 0, f= 30 MHz
4117
4117
4118
4119
4117
4118
4119
4118
4119
4118
4119
- 40 V
- 10
- 25
- 0.6
- 1.0
- 2.0
30
80
200
70
80
100
60
70
90
- 1.8
- 3.0
- 6.0
90
240
600
210
250
330
3.0
5.0
10
mhos
µ
mhos
µ
mhos
µ
mhos
µ
mhos
µ
mhos
µ
mhos
µ
mhos
µ
mhos
µ
pA
nA
V
V
V
µA
µA
µA
PN4117 / 4118 / 4119 / MMBF4117 / 4118 / 4119
5
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