Page 1
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
°
Page 2
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
Page 3
T ypical Characteristics
PN4117 / 4118 / 4119 / MMBF4117 / 4118 / 4119
N-Channel Switch
(continued)
Parameter Interactions
Transfer Characteristics
Transfer Characteristics
Transfer Characteristics
Transfer Characteristics
Transfer Characteristics
Page 4
Typical Characteristics (continued)
Leakage Current vs. Voltage Common Drain-Source
Output Conductance
vs. Drain Current
PN4117 / 4118 / 4119 / MMBF4117 / 4118 / 4119
N-Channel Switch
(continued)
Capacitance vs. Voltage
Transconductance vs. Drain Current Noise Voltage vs. Frequency
5
Page 5
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The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.
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TM
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FACT™
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FASTr™
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GTO™
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QFET™
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SILENT SWITCHER
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DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORA TION.
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1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant into
the body, or (b) support or sustain life, or (c) whose
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
reasonably expected to result in significant injury to the
user.
2. A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
PRODUCT STA TUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status Definition
Advance Information
Preliminary
No Identification Needed
Obsolete
Formative or
In Design
First Production
Full Production
Not In Production
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Rev. G
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