Transistor
2SB1221
Silicon PNP epitaxial planer type
For general amplification
Complementary to 2SC3941
Features
■
●
Low collector to emitter saturation voltage V
●
Allowing supply with the radial taping.
Absolute Maximum Ratings (Ta=25˚C)
■
Parameter
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Peak collector current
Collector current
Collector power dissipation
Junction temperature
Storage temperature
Electrical Characteristics (Ta=25˚C)
■
Parameter
Collector cutoff current
Collector to emitter voltage
Emitter to base voltage
Forward current transfer ratio
Collector to emitter saturation voltage
Transition frequency
Collector output capacitance
Symbol
V
CBO
V
CEO
V
EBO
I
CP
I
C
P
C
T
j
T
stg
Symbol
I
CBO
V
CEO
V
EBO
*
h
FE
V
CE(sat)
f
T
C
ob
.
CE(sat)
Ratings
–250
–200
–5
–100
–70
1
150
–55 ~ +150
Unit
V
V
V
mA
mA
W
˚C
˚C
Conditions
VCB = –12V, IE = 0
IC = –100µA, IB = 0
IE = –1µA, IC = 0
VCE = –10V, IC = –5mA
IC = –50mA, IB = –5mA
VCB = –10V, IE = 10mA, f = 200MHz
VCB = –10V, IE = 0, f = 1MHz
1.27
5.0±0.2
123
2.54±0.15
min
–200
–5
60
50
0.7±0.2
0.7±0.1
0.45
1.27
+0.15
–0.1
8.0±0.2
13.5±0.5
0.45
2.3±0.2
typ
80
5
Unit: mm
4.0±0.2
+0.15
–0.1
1:Emitter
2:Collector
3:Base
TO–92NL Package
max
Unit
–2
µA
220
–1.5
MHz
10
V
V
V
pF
*
hFE Rank classification
Rank Q R
h
FE
60 ~ 150 100 ~ 220
1
Transistor
2SB1221
PC — Ta IC — V
1.2
)
W
(
1.0
C
0.8
0.6
0.4
0.2
Collector power dissipation P
0
0 16040 12080 14020 10060
Ambient temperature Ta (˚C
IB — V
BE
–2.4
–2.0
)
mA
–1.6
(
B
–1.2
VCE=–10V
Ta=25˚C
CE
–120
–100
)
mA
(
–80
C
–60
–40
Collector current I
–20
0
0 –10–8–2 –6–4
)
Collector to emitter voltage VCE (V
IC — V
–120
)
mA
(
–100
–80
C
–60
25˚C
Ta=75˚C
IB=–2mA
–25˚C
BE
Ta=25˚C
–1.8mA
–1.6mA
–1.4mA
–1.2mA
–1.0mA
– 0.8mA
VCE=–10V
– 0.6mA
– 0.4mA
– 0.2mA
–120
–100
)
mA
(
–80
C
–60
–40
Collector current I
–20
)
)
–100
V
(
–30
CE(sat)
–10
0
0 –2.4–2.0–1.6– 0.4 –1.2– 0.8
–3
–1
IC — I
B
VCE=–10V
Ta=25˚C
Base current IB (mA
V
— I
CE(sat)
C
)
IC/IB=10
– 0.8
Base current I
– 0.4
0
0 –1.2–1.0– 0.8– 0.2 – 0.6– 0.4
Base to emitter voltage VBE (V
hFE — I
C
300
FE
250
200
150
100
50
Forward current transfer ratio h
0
– 0.1 –1 –10 –100– 0.3 –3 –30
Ta=75˚C
VCE=–10V
25˚C
–25˚C
Collector current IC (mA
–40
Collector current I
–20
0
0 –2.0–1.6– 0.4 –1.2– 0.8
)
)
Base to emitter voltage VBE (V
fT — I
E
160
140
)
MHz
120
(
T
100
80
60
40
Transition frequency f
20
0
0.1 1 10 1000.3 3 30
Emitter current IE (mA
VCB=–10V
Ta=25˚C
)
)
– 0.3
– 0.1
– 0.03
– 0.01
Collector to emitter saturation voltage V
– 0.1 –1 –10 –100– 0.3 –3 –30
Collector current IC (mA
16
)
pF
14
(
ob
12
10
8
6
4
2
Collector output capacitance C
0
–1 –3 –10 –30 –100
Collector to base voltage VCB (V
25˚C
Cob — V
CB
Ta=75˚C
–25˚C
IE=0
f=1MHz
Ta=25˚C
)
)
2