Transistor
2SB621, 2SB621A
Silicon PNP epitaxial planer type
For low-frequency output amplification
Complementary to 2SD592 and 2SD592A
Features
■
●
Low collector to emitter saturation voltage V
●
High transition frequency fT.
Absolute Maximum Ratings (Ta=25˚C)
■
Parameter
Collector to
base voltage
Collector to
emitter voltage
2SB621
2SB621A
2SB621
2SB621A
Emitter to base voltage
Peak collector current
Collector current
Collector power dissipation
Junction temperature
Storage temperature
Symbol
V
CBO
V
CEO
V
EBO
I
CP
I
C
P
C
T
j
T
stg
–55 ~ +150
CE(sat)
Ratings
–30
–60
–25
–50
–5
–1.5
–1
750
150
Unit: mm
5.0±0.2 4.0±0.2
.
5.1±0.213.5±0.5
Unit
V
V
V
A
A
mW
+0.2
0.45
–0.1
1.27 1.27
213
2.54±0.15
+0.2
0.45
–0.1
1:Emitter
2.3±0.2
2:Collector
3:Base
JEDEC:TO–92
EIAJ:SC–43A
˚C
˚C
Electrical Characteristics (Ta=25˚C)
■
Parameter
Collector cutoff current
Collector to base
voltage
Collector to emitter
voltage
2SB621
2SB621A
2SB621
2SB621A
Emitter to base voltage
Forward current transfer ratio
Collector to emitter saturation voltage
Base to emitter saturation voltage
Transition frequency
Collector output capacitance
*
h
Rank classification
FE1
Symbol
I
CBO
V
CBO
V
CEO
V
EBO
h
FE1
h
FE2
V
CE(sat)
V
BE(sat)
f
T
C
ob
Rank Q R S
h
FE1
85 ~ 170 120 ~ 240 170 ~ 340
Conditions
VCB = –20V, IE = 0
min
typ
max
– 0.1
Unit
µA
–30
IC = –10µA, IE = 0
V
–60
–25
IC = –2mA, IB = 0
V
–50
IE = –10µA, IC = 0
*
VCE = –10V, IC = –500mA
VCE = –5V, IC = –1A
IC = –500mA, IB = –50mA
IC = –500mA, IB = –50mA
VCB = –10V, IE = 50mA, f = 200MHz
VCB = –10V, IE = 0, f = 1MHz
–5
85
50
– 0.2
– 0.85
200
20
340
–0.4
–1.2
30
V
V
V
MHz
pF
1
Transistor 2SB621, 2SB621A
PC—Ta IC—V
1.0
)
0.9
W
(
0.8
C
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Collector power dissipation P
0
0 16040 12080 14020 10060
Ambient temperature Ta (˚C
V
CE(sat)—IC
)
–100
V
(
–30
CE(sat)
–10
–3
–1
– 0.3
– 0.1
– 0.03
– 0.01
Collector to emitter saturation voltage V
– 0.01
Ta=75˚C
25˚C
–25˚C
– 0.1 –1 –10
– 0.03
– 0.3 –3
Collector current IC (A
)
IC/IB=10
)
CE
–1.5
–1.25
)
A
(
–1.0
C
– 0.75
– 0.5
Collector current I
– 0.25
0
0 –10–8–2 –6–4
Ta=25˚C
IB=–10mA
–9mA
–8mA
–7mA
–6mA
–5mA
–4mA
–3mA
–2mA
–1mA
Collector to emitter voltage VCE (V
V
BE(sat)—IC
–100
)
V
(
–30
BE(sat)
–10
–3
25˚C
–1
– 0.3
– 0.1
– 0.03
Base to emitter saturation voltage V
– 0.01
– 0.01
– 0.03
Ta=–25˚C
75˚C
– 0.1 –1 –10
– 0.3 –3
Collector current IC (A
IC/IB=10
)
–1.2
VCE=–10V
=25˚C
T
C
–1.0
)
A
(
– 0.8
C
– 0.6
– 0.4
Collector current I
– 0.2
0
0 –12–10–8–2 –6–4
)
Base current IB (mA
hFE—I
500
450
FE
400
350
300
250
200
150
100
Forward current transfer ratio h
50
0
– 0.01
Ta=75˚C
25˚C
–25˚C
– 0.1 –1 –10
– 0.03
Collector current IC (A
IC—I
B
– 0.3 –3
)
C
VCE=–10V
)
fT—I
200
VCB=–10V
Ta=25˚C
180
)
160
MHz
(
140
T
120
100
80
60
40
Transition frequency f
20
0
1 3 10 30 100
Emitter current IE (mA
2
E
50
)
45
pF
(
40
ob
35
30
25
20
15
10
5
Collector output capacitance C
0
–1 –3 –10 –30 –100
)
Collector to base voltage VCB (V
Cob—V
CB
IE=0
f=1MHz
Ta=25˚C
–120
)
V
(
–100
CER
–80
–60
–40
–20
Collector to emitter voltage V
0
0.1 1 10 1000.3 3 30
)
Base to emitter resistance RBE (kΩ
V
—R
CER
BE
IC=–10mA
Ta=25˚C
2SB621A
2SB621
)