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2N998

Description
UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-72
CategoryDiscrete semiconductor    The transistor   
File Size624KB,3 Pages
ManufacturerCentral Semiconductor
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2N998 Overview

UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-72

2N998 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeTO-72
package instructionCYLINDRICAL, O-MBCY-W4
Contacts4
Reach Compliance Code_compli
Maximum collector current (IC)0.5 A
Collector-emitter maximum voltage60 V
ConfigurationDARLINGTON
Minimum DC current gain (hFE)1600
JEDEC-95 codeTO-72
JESD-30 codeO-MBCY-W4
JESD-609 codee0
Number of components1
Number of terminals4
Maximum operating temperature200 °C
Package body materialMETAL
Package shapeROUND
Package formCYLINDRICAL
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Polarity/channel typeNPN
Maximum power dissipation(Abs)1.8 W
Certification statusNot Qualified
surface mountNO
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formWIRE
Terminal locationBOTTOM
Maximum time at peak reflow temperatureNOT SPECIFIED
Transistor component materialsSILICON
Nominal transition frequency (fT)60 MHz
Base Number Matches1
2N918
NPN SILICON RF TRANSISTOR
w w w. c e n t r a l s e m i . c o m
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 2N918 type
is an NPN silicon RF transistor, manufactured by
the epitaxial planar process and designed for high
frequency amplifier and oscillator applications.
MARKING: FULL PART NUMBER
TO-72 CASE
MAXIMUM RATINGS:
(TA=25°C unless otherwise noted)
SYMBOL
Collector-Base Voltage
VCBO
Collector-Emitter Voltage
VCEO
Emitter-Base Voltage
Continuous Collector Current
Power Dissipation
Power Dissipation (TC=25°C)
Operating and Storage Junction Temperature
Thermal Resistance
Thermal Resistance
VEBO
IC
PD
PD
TJ, Tstg
Θ
JA
Θ
JC
30
15
3.0
50
200
300
-65 to +200
87.5
58.3
UNITS
V
V
V
mA
mW
mW
°C
°C/W
°C/W
ELECTRICAL CHARACTERISTICS:
(TA=25°C unless otherwise noted)
SYMBOL
TEST CONDITIONS
MIN
ICBO
VCB=15V
ICBO
VCB=15V, TA=150°C
BVCBO
BVCEO
BVEBO
VCE(SAT)
VBE(SAT)
hFE
fT
Cob
Cob
Cib
Po
Gpe
IC=1.0μA
IC=3.0mA
IE=10μA
IC=10mA,
IC=10mA,
IB=1.0mA
IB=1.0mA
20
600
30
15
3.0
MAX
10
1.0
UNITS
nA
μA
V
V
V
0.4
1.0
V
V
MHz
VCE=1.0V, IC=3.0mA
VCE=10V, IC=4.0mA, f=100MHz
VCB=10V, IE=0, f=1.0MHz
VEB=0, IE=0, f=1.0MHz
VEB=0.5V, IC=0, f=1.0MHz
VCB=15V, IC=8.0mA, f=500MHz
VCB=12V, IC=6.0mA, f=200MHz
VCB=15V, IC=8.0mA, f=500MHz
VCE=6.0V, IC=1.0mA,
RG=400Ω, f=60kHz
1.7
3.0
2.0
30
15
25
6.0
pF
pF
pF
mW
dB
%
dB
NF
R1 (11-September 2012)

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Description UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-72 UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-72 UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-72 UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-72 UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-72 UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-72
Is it lead-free? Contains lead Contains lead Contains lead Contains lead Contains lead Contains lead
package instruction CYLINDRICAL, O-MBCY-W4 CYLINDRICAL, O-MBCY-W4 CYLINDRICAL, O-MBCY-W4 CYLINDRICAL, O-MBCY-W4 , ,
Reach Compliance Code _compli _compli _compli _compli compli compli
Polarity/channel type NPN NPN NPN NPN PNP NPN
surface mount NO NO NO NO NO NO
Base Number Matches 1 1 1 1 1 1
Is it Rohs certified? incompatible incompatible incompatible incompatible - -
Configuration DARLINGTON SINGLE SINGLE SINGLE - -
Minimum DC current gain (hFE) 1600 - 25 20 150 150
JEDEC-95 code TO-72 TO-72 TO-72 TO-72 - -
JESD-30 code O-MBCY-W4 O-MBCY-W4 O-MBCY-W4 O-MBCY-W4 - -
JESD-609 code e0 e0 e0 e0 - -
Number of components 1 1 1 1 - -
Number of terminals 4 4 4 4 - -
Maximum operating temperature 200 °C 175 °C 200 °C 200 °C - -
Package body material METAL METAL METAL METAL - -
Package shape ROUND ROUND ROUND ROUND - -
Package form CYLINDRICAL CYLINDRICAL CYLINDRICAL CYLINDRICAL - -
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED - -
Maximum power dissipation(Abs) 1.8 W 0.2 W 0.2 W 0.2 W - -
Certification status Not Qualified Not Qualified Not Qualified Not Qualified - -
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - -
Terminal form WIRE WIRE WIRE WIRE - -
Terminal location BOTTOM BOTTOM BOTTOM BOTTOM - -
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED - -
Transistor component materials SILICON SILICON SILICON SILICON - -
Nominal transition frequency (fT) 60 MHz 600 MHz 750 MHz 600 MHz - 200 MHz

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