
Composite Transistors
2.8
+0.2
–0.3
1.50.65±0.15 0.65±0.15
1
6
5
4
3
2
1.45±0.1
0.95 0.95
1.9±0.1
+0.25
–0.05
0.3
+0.1
–0.05
0.5
+0.1
–0.05
2.9
+0.2
–0.05
1.1
+0.2
–0.1
0.8
0.4±0.2
0 to 0.05
0.16
+0.1
–0.06
0.1 to 0.3
XN4505
NPN epitaxial planer transistor
For general amplification (Tr1)
For amplification of low frequency output (Tr2)
Features
■
●
Two elements incorporated into one package.
●
Reduction of the mounting area and assembly cost by one half.
Basic Part Number of Element
■
●
2SD601A+2SD1328
Absolute Maximum Ratings (Ta=25˚C)
■
Parameter Symbol Ratings Unit
Collector to base voltage
Collector to emitter voltage
Tr1
Emitter to base voltage
Collector current I
Peak collector current
Collector to base voltage
Collector to emitter voltage
Tr2
Emitter to base voltage
Collector current I
Peak collector current
Total power dissipation
Junction temperature
Overall
Storage temperature
V
CBO
V
CEO
V
EBO
C
I
CP
V
CBO
V
CEO
V
EBO
C
I
CP
P
T
T
j
T
stg
60 V
50 V
7V
100 mA
200 mA
25 V
20 V
12 V
0.5 A
1A
300 mW
150 ˚C
–55 to +150 ˚C
1 : Collector (Tr1) 4 : Collector (Tr2)
2 : Base (Tr2) 5 : Base (Tr1)
3 : Emitter (Tr2) 6 : Emitter (Tr1)
EIAJ : SC–74
Mini Type Package (6–pin)
Marking Symbol: DZ
Internal Connection
Tr1
61
5
43
Tr2
2
Unit: mm
1

Composite Transistors
Electrical Characteristics (Ta=25˚C)
■
●
Tr1
Parameter Symbol Conditions min typ max Unit
Collector to base voltage V
Collector to emitter voltage V
Emitter to base voltage V
Collector cutoff current
Forward current transfer ratio h
Collector to emitter saturation voltage
Transition frequency f
Collector output capacitance C
●
Tr2
Parameter Symbol Conditions min typ max Unit
Collector to base voltage V
Collector to emitter voltage V
Emitter to base voltage V
Collector cutoff current I
Forward current transfer ratio
Collector to emitter saturation voltage
Base to emitter saturation voltage V
Transition frequency f
Collector output capacitance C
ON Resistance R
*1
Pulse measurement
*2
Ron test circuit
IB=1mA
R
= ✕1000(Ω)
on
VA–V
V
1kΩ
V
B
V
V
B
B
CBO
CEO
EBO
I
CBO
I
CEO
FE
V
CE(sat)
T
ob
CBO
CEO
EBO
CBO
h
FE1
h
FE2
V
CE(sat)
BE(sat)
T
ob
on
f=1kHz
V=0.3V
V
A
XN4505
IC = 10µA, IE = 0 60 V
IC = 2mA, IB = 0 50 V
IE = 10µA, IC = 0 7 V
VCB = 20V, IE = 0 0.1 µA
VCE = 10V, IB = 0 100 µA
VCE = 10V, IC = 2mA 160 460
IC = 100mA, IB = 10mA 0.1 0.3 V
VCB = 10V, IE = –2mA, f = 200MHz 150 MHz
VCB = 10V, IE = 0, f = 1MHz 3.5 pF
IC = 10µA, IE = 0 25 V
IC = 1mA, IB = 0 20 V
IE = 10µA, IC = 0 12 V
VCB = 25V, IE = 0 0.1 µA
VCE = 2V, IC = 0.5A
VCE = 2V, IC = 1A
IC = 0.5A, IB = 20mA 0.13 0.4 V
IC = 0.5A, IB = 20mA 1.2 V
VCB = 10V, IE = –50mA 200 MHz
VCB = 10V, IE = 0, f = 1MHz 10 pF
*2
*1
*1
200 800
60
1.0 Ω
Common characteristics chart
PT — Ta
500
)
400
mW
(
T
300
200
100
Total power dissipation P
0
0 40 80 120 160
Ambient temperature Ta (˚C
)
2

Composite Transistors XN4505
Characteristics charts of Tr1
— V
I
C
60
50
)
mA
(
40
C
30
20
Collector current I
10
0
01024 86
Collector to emitter voltage VCE (V
IC — I
240
VCE=10V
Ta=25˚C
200
)
mA
(
160
C
120
80
Collector current I
40
0
0 1000800600400200
Base current IB (µA
CE
B
Ta=25˚C
IB=160µA
140µA
120µA
100µA
80µA
60µA
40µA
20µA
)
IB — V
BE
1200
1000
VCE=10V
Ta=25˚C
)
µA
(
800
B
600
400
Base current I
200
0
01.00.80.60.40.2
)
Base to emitter voltage VBE (V
V
— I
CE(sat)
100
)
V
(
30
CE(sat)
10
3
1
0.3
0.1
Ta=75˚C
–25˚C
0.03
Collector to emitter saturation voltage V
0.01
0.1 0.3
25˚C
1 3 10 30 100
Collector current IC (mA
)
C
IC/IB=10
)
240
200
)
mA
(
160
C
120
80
Collector current I
40
0
02.01.61.20.80.4
600
FE
500
400
300
200
100
Forward current transfer ratio h
0
0.1 0.3
IC — V
BE
VCE=10V
25˚C
Ta=75˚C –25˚C
Base to emitter voltage VBE (V
hFE — I
C
VCE=10V
Ta=75˚C
25˚C
–25˚C
1 3 10 30 100
Collector current IC (mA
)
)
fT — I
300
)
240
MHz
(
T
180
120
60
Transition frequency f
0
–0.1 –0.3
–1 –3 –10 –30 –100
Emitter current IE (mA
E
VCB=10V
Ta=25˚C
)
3

Composite Transistors
Characteristics charts of Tr2
XN4505
— V
I
C
CE
1.2
IB=4.0mA
1.0
)
A
(
0.8
C
0.6
0.4
Collector current I
0.2
0
0615243
Collector to emitter voltage VCE (V
hFE — I
C
1200
FE
1000
800
Ta=75˚C
600
25˚C
–25˚C
400
200
Forward current transfer ratio h
0
0.01 0.03
0.1 0.3 1 3 10
Collector current IC (A
Ta=25˚C
3.5mA
3.0mA
2.5mA
2.0mA
1.5mA
1.0mA
0.5mA
VCE=2V
)
V
— I
CE(sat)
100
)
V
(
30
CE(sat)
10
3
1
0.3
0.1
Ta=75˚C
0.03
Collector to emitter saturation voltage V
0.01
0.01 0.03
)
0.1 0.3 1 3 10
Collector current IC (A
fT — I
400
350
)
MHz
300
(
T
250
200
150
100
Transition frequency f
50
25˚C
–25˚C
C
IC/IB=25
100
)
V
(
30
BE(sat)
10
0.3
0.1
0.03
Base to emitter saturation voltage V
0.01
)
E
VCB=10V
Ta=25˚C
)
pF
(
24
20
ob
16
12
V
BE(sat)
3
25˚C
1
0.01 0.03
Ta=–25˚C
75˚C
0.1 0.3 1 3 10
Collector current IC (A
Cob — V
8
4
— I
CB
C
IC/IB=10
)
f=1MHz
I
=0
E
Ta=25˚C
Collector output capacitance C
0
–1 –3 –10
–5 –50
Emitter current IE (mA
–20
–30
–100–2
)
0
3 10 30 100220550
1
Collector to base voltage VCB (V
)
4