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Darlington Power Transistors(NPN)
Darlington Power Transistors (NPN)
Features
• Designed for general-purpose amplifier and low speed
switching applications
• RoHS Compliant
Mechanical Data
Case:
Terminals:
Weight:
TO-220, Plastic Package
Solderable per MIL-STD-202, Method 208
0.08 ounces, 2.24 grams
TIP120/121/122
TO-220
Maximum Ratings
Symbol Description TIP120 TIP121 TIP122 Unit
VCBO
VCEO
VEBO
IC
ICM
IB
Collector-Base Voltage 60 80 100 V
Collector-Emitter Voltage 60 80 100 V
Emitter-Base Voltage 5.0 V
Collector Current Continuous 5.0 A
Collector Current Peak 8.0 A
Base Current 120 mA
Power Dissipation upto TC=25°C 65 W
Power Dissipation Derate above TC=25°C 0.52 W/° C
(T
=25ºC unless noted otherwise)
Ambient
PD
Power Dissipation upto TA=25°C 2.0 W
A=25°C 16 mW/° C
62.5 ° C /W
1.92 ° C /W
RθJA
RθJC
Power Dissipation Derate above T
Thermal Resistance from Junction to Ambient in Free Air
Thermal Resistance from Junction to Case
TJ, TSTG
TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com
Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060
Fax: (800)-TAITFA (800)-824-8329 (661)-257-6415
Operating Junction and Storage Temperature Range
-65 to +150 ° C
Rev. A/AH 2008-06-13
Page 1 of 4

Darlington Power Transistors (NPN)
TIP120/121/122
Electrical Characteristics (T
Symbol Description Min. Max. Unit Conditions
*hFE
*VCEO(sus)
*VCE(sat)
*VBE(on)
D.C. Current Gain
Collector-Emitter Sustaining
Voltage
Collector-Emitter Saturation Voltage
Base-Emitter On Voltage - 2.5 V
Collector-Emitter Cut-off
Current
=25ºC unless noted otherwise)
Ambient
1000 -
1000 -
TIP120
TIP121
TIP122
TIP120
TIP121
60 - V
80 - V
100 - V
- 2.0 V
- 4.0 V
- 0.5
- 0.5
mA
VCE=3V, IC=0.5A
VCE=3V, IC=3A
IC=100mA, IB=0
IC=3A, IB=12mA
IC=5A, IB=20mA
IC=3A, VCE=3V
VCE=30V, IB=0
VCE=40V, IB=0 ICEO
Collector-Base Cut-off
Current
IEBO
hfe
Cob
ton
toff
Emitter-Base Cut-off Current - 2 mA
Small Signal Current Gain 4.0 -
Output Capacitance - 200 pF
Turn on time
Turn off time
*Pulse Test: Pulse Width≤300µs, Duty Cycle≤2%
www.taitroncomponents.com
TIP122
TIP120 - 0.2
TIP121
TIP122
- 0.5
- 0.2
- 0.2
Typ. 0.4
Typ. 1.2
VCE=50V, IB=0
VCB=60V, IE=0
mA
VCB=80V, IE=0 ICBO
VCB=100V, IE=0
VEB=5V, IC=0
IC=3A, VCE=4V,
f=1.0MHz,
VCB=10V, IE=0,
f=0.1MHz,
IC=3A, RL=10Ω,
µS
IB1=IB2=12mA,
VEB(off)=5V
Rev. A/AH 2008-06-13
Page 2 of 4

Dimensions in inch (mm)
Darlington Power Transistors (NPN)
TIP120/121/122
TO-220
www.taitroncomponents.com
Rev. A/AH 2008-06-13
Page 3 of 4

Darlington Power Transistors (NPN)
TIP120/121/122
How to contact us:
US HEADQUARTERS
28040 WEST HARRISON PARKWAY, VALENCIA, CA 91355-4162
Tel: (800) TAITRON (800) 824-8766 (661) 257-6060
Fax: (800) TAITFAX (800) 824-8329 (661) 257-6415
Email: taitron@taitroncomponents.com
Http://www.taitroncomponents.com
TAITRON COMPONENTS MEXICO, S.A .DE C.V.
BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P.
42970 MEXICO
Tel: +52-55-5560-1519
Fax: +52-55-5560-2190
TAITRON COMPONENTS INCORPORATED REPRESENTAÇÕES DO BRASIL LTDA
RUA DOMINGOS DE MORAIS, 2777, 2.ANDAR, SALA 24 SAÚDE - SÃO PAULO-SP 04035-001 BRAZIL
Tel: +55-11-5574-7949
Fax: +55-11-5572-0052
TAITRON COMPONENTS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE
METROBANK PLAZA, 1160 WEST YAN’ AN ROAD, SUITE 1503, SHANGHAI, 200052, CHINA
Tel: +86-21-5424-9942
Fax: +86-21-5424-9931
www.taitroncomponents.com
Rev. A/AH 2008-06-13
Page 4 of 4