TIP121-S Bourns Inc., TIP121-S Datasheet - Page 2
![](/photos/31/41/314166/576to220_sml.jpg)
TIP121-S
Manufacturer Part Number
TIP121-S
Description
Manufacturer
Bourns Inc.
Datasheet
1.TIP121-S.pdf
(4 pages)
Specifications of TIP121-S
Polarity
NPN
Number Of Elements
1
Collector-emitter Voltage
80V
Collector-base Voltage
80V
Emitter-base Voltage
5V
Collector-emitter Saturation Voltage
2@12mA@3A/4@20mA@5AV
Collector Current (dc) (max)
5A
Operating Temp Range
-65C to 150C
Operating Temperature Classification
Military
Mounting
Through Hole
Pin Count
3 +Tab
Package Type
TO-220
Lead Free Status / Rohs Status
Compliant
electrical characteristics at 25°C case temperatur e
NOTES: 5. These parameters must be measured using pulse techniques, t
thermal characteristics
resistive-load-switching characteristics at 25°C case temperature
†
TIP120, TIP121, TIP122
NPN SILICON POWER DARLINGTONS
V
2
Voltage and current values shown are nominal; exact values vary slightly with transistor parameters.
V
(BR)CEO
CE(sat)
R
R
I
I
I
V
V
h
CEO
CBO
EBO
t
t
θJC
θJA
on
off
FE
BE
EC
6. These parameters must be measured using voltage-sensing contacts, separate from the current carrying contacts.
PARAMETER
PARAMETER
Collector-emitter
breakdown voltage
Collector-emitter
cut-off current
Collector cut-off
current
Emitter cut-off
current
Forward current
transfer ratio
Collector-emitter
saturation voltage
Base-emitter
voltage
Parallel diode
forward voltage
Junction to case thermal resistance
Junction to free air thermal resistance
Turn-on time
Turn-off time
I
(see Note 5)
V
V
V
V
V
V
V
V
V
I
I
V
I
I
V
C
B
B
E
C
CE
CE
CE
CB
CB
CB
EB
CE
CE
CE
BE(off)
= 30 mA
= 12 mA
= 20 mA
=
= 3 A
= 30 V
= 40 V
= 50 V
= 60 V
= 80 V
= 100 V
=
=
=
=
= -5 V
5 A
5 V
3 V
3 V
3 V
PARAMETER
TEST CONDITIONS
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
R
TEST CONDITIONS
B
B
B
B
E
E
E
C
C
C
C
C
C
B
B(on)
L
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0.5 A
=
=
=
=
= 10 Ω
= 12 mA
3 A
3 A
5 A
3 A
p
= 300 µs, duty cycle ≤ 2%.
†
R O D U C T
TIP120
TIP121
TIP122
TIP120
TIP121
TIP122
TIP120
TIP121
TIP122
(see Notes 5 and 6)
(see Notes 5 and 6)
(see Notes 5 and 6)
(see Notes 5 and 6)
I
t
B(off)
p
= 20 µs, dc ≤ 2%
= -12 mA
Specifications are subject to change without notice.
DECEMBER 1971 - REVISED SEPTEMBER 2002
I N F O R M A T I O N
1000
1000
MIN
MIN
MIN
100
60
80
TYP
TYP
TYP
1.5
8.5
MAX
MAX
MAX
1.92
62.5
0.5
0.5
0.5
0.2
0.2
0.2
2.5
3.5
2
2
4
UNIT
UNIT
°C/W
°C/W
UNIT
mA
mA
mA
µs
µs
V
V
V
V