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TOSHIBA Field Effect Transistor Silicon N Channel Junction Type
2SK118
General Purpose and Impedance Converter and
Condenser Microphone Applications
2SK118
Unit: mm
High breakdown voltage: VGDS = 50 V
High input impedance: IGSS = 1 nA (max) (VGS = 30 V)
Low noise: NF = 0.5dB (typ.) (RG = 100 k, f = 120 Hz)
Small package
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
Gate-drain voltage
Gate current
Drain power dissipation
Junction temperature
Storage temperature range
VGDS
IG
PD
Tj
Tstg
50
10
100
125
55~125
V
mA
mW
°C
°C
Note:
Using continuously under heavy loads (e.g. the application of
JEDEC
high temperature/current/voltage and the significant change in
temperature, etc.) may cause this product to decrease in the
JEITA
reliability significantly even if the operating conditions (i.e.
TOSHIBA
2-4E1B
operating temperature/current/voltage, etc.) are within the
absolute maximum ratings.
Weight: 0.13 g (typ.)
Please design the appropriate reliability upon reviewing the
Toshiba Semiconductor Reliability Handbook (“Handling Precautions”/“Derating Concept and Methods”) and
individual reliability data (i.e. reliability test report and estimated failure rate, etc).
Electrical Characteristics (Ta = 25°C)
Characteristics
Symbol
Test Condition
Min Typ. Max Unit
Gate cut-off current
Gate-drain breakdown voltage
Drain current
Gate-source cut-off voltage
Forward transfer admittance
Input capacitance
Reverse transfer capacitance
Noise figure
IGSS
VGS = −30 V, VDS = 0
V (BR) GDS VDS = 0, IG = −100 μA
IDSS
(Note)
VDS = 10 V, VGS = 0
VGS (OFF) VDS = 10 V, ID = 0.1 μA
Yfs
VDS = 10 V, VGS = 0, f = 1 kHz
Ciss VDS = 10 V, VGS = 0, f = 1 MHz
Crss
VGD = −10 V, ID = 0, f = 1 MHz
NF
VDS = 15 V, VGS = 0, RG = 100 kΩ,
f = 120 Hz
⎯ ⎯ −1.0 nA
50
V
0.3 6.5 mA
0.4 ⎯ −5.0 V
1.2
mS
8.2 pF
2.6 pF
0.5 5.0 dB
Note: IDSS classification R: 0.3~0.75 mA, O: 0.6~1.4 mA, Y: 1.2~3.0 mA, GR: 2.6~6.5 mA
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2SK118
RESTRICTIONS ON PRODUCT USE
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in this document, and related hardware, software and systems (collectively “Product”) without notice.
This document and any information herein may not be reproduced without prior written permission from TOSHIBA. Even with
TOSHIBA’s written permission, reproduction is permissible only if reproduction is without alteration/omission.
Though TOSHIBA works continually to improve Product’s quality and reliability, Product can malfunction or fail. Customers are
responsible for complying with safety standards and for providing adequate designs and safeguards for their hardware, software and
systems which minimize risk and avoid situations in which a malfunction or failure of Product could cause loss of human life, bodily
injury or damage to property, including data loss or corruption. Before creating and producing designs and using, customers must
also refer to and comply with (a) the latest versions of all relevant TOSHIBA information, including without limitation, this document,
the specifications, the data sheets and application notes for Product and the precautions and conditions set forth in the “TOSHIBA
Semiconductor Reliability Handbook” and (b) the instructions for the application that Product will be used with or for. Customers are
solely responsible for all aspects of their own product design or applications, including but not limited to (a) determining the
appropriateness of the use of this Product in such design or applications; (b) evaluating and determining the applicability of any
information contained in this document, or in charts, diagrams, programs, algorithms, sample application circuits, or any other
referenced documents; and (c) validating all operating parameters for such designs and applications. TOSHIBA ASSUMES NO
LIABILITY FOR CUSTOMERS’ PRODUCT DESIGN OR APPLICATIONS.
Product is intended for use in general electronics applications (e.g., computers, personal equipment, office equipment, measuring
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Product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality and/or
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including without limitation, the EU RoHS Directive. TOSHIBA assumes no liability for damages or losses occurring as a result of
noncompliance with applicable laws and regulations.
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