5
1
0.5
0.1
0.05
3 5 10 50 100
V
CE
(V)
I
C
(A)
Single Pulse
Without Heatsink
T
a
=25°C
1ms
10ms
100µs
NPN Darlington
STA371A
Absolute maximum ratings
With built-in avalanche diode
(Ta=25°C)
Electrical characteristics
Symbol Ratings Unit
VCBO 60±10 V
VCEO 60±10 V
VEBO 6V
IC 2A
ICP 4 (PW≤1ms, Du≤25%) A
IB 0.5 A
PT W
3 (Ta=25°C)
15 (Tc=25°C)
Tj 150 °C
Tstg –40 to +150 °C
■Equivalent circuit diagram
2
R
1
1
4
R
2
3
5
7
6
8
External dimensions
Symbol Unit Conditions
ICBO 10
Specification
min typ max
µ
AVCB=50V
C
• • •
IEBO 5mA VEB=6V
VCEO 50 60 70 V IC=10mA
hFE 2000 5000 12000 VCE=4V, IC=1A
VCE(sat) 1.1 1.5 V
VBE(sat) 1.8 2.2 V
IC=1A, IB=2mA
VFEC 1.3 1.8 V IFEC=1A
ton 0.5
tstg 4.0
tf 1.0
µ
sVCC 30V,
µ
sIC=1A,
µ
sIB1=–IB2=2mA
fT 50 MHz VCE=12V, IE=–0.1A
Cob 25 pF VCB=10V, f=1MHz
STA300
(Ta=25°C)
R1: 3.5kΩ typ R2: 200Ω typ
Characteristic curves
IC-VCE Characteristics (Typical) hFE-IC Characteristics (Typical) hFE-IC Temperature Characteristics (Typical)
4
3
(A)
2
C
I
1
0
0123
CE(sat)-IC Temperature Characteristics (Typical) VCE(sat)-IB Temperature Characteristics (Typical) IC-VBE Temperature Characteristics (Typical)
V
3
2
(sat) (V)
CE
V
1
0
0.2 0.5 1
30
10
126
5
(°C / W)
j–a
θ
1
0.5
0.2
10000
=10.0mA
B
I
5.0mA
2.0mA
1.0mA
0.6mA
0.4mA
0.3mA
VCE (V)
(A)
I
C
θ
j-a-PW Characteristics PT-Ta Characteristics Safe Operating Area (SOA)
0.5 100 1000500501051
PW (mS)
546
=1000)
B
/ I
C
(I
75°C
25°C
–30°C
=125°C
a
T
4
5000
1000
hFE
500
100
50
30
(sat) (V)
CE
V
(W)
T
P
0.02
16
14
12
10
–40
0.10.05 10.5 4
IC (A)
3
25°C
75°C
–30°C
=125°C
a
T
2
1
0
0.1
8
6
4
2
0
2
×
50
×
50
25
×
50
×
2
Without Heatsink
0 50 100 150
Ta (°C)
IB (mA)
(VCE=4V)
Typ
With Silicone Grease
Natural Cooling
Heatsink: Aluminum
in mm
With Infinite Heatsink
(IC=1A)
20000
10000
5000
1000
FE
h
310.5
=125°C
a
75°C
T
500
100
50
30
0.02 0.05 0.1 0.5 1 4
4
3
2
(A)
C
I
1
0
0213
25°C
–30°C
T
I
=125°C
a
(A)
C
75°C
–30°C
25°C
VBE (V)
=4V)
CE
(V
(VCE=4V)