Diodes ZTX649 User Manual
Ztx649, Npn silicon planar medium power transistor
NPN SILICON PLANAR
MEDIUM POWER TRANSISTOR
ISSUE 2 APRIL 94
FEATURES
* 25 Volt V
CEO
* 2 Amp continuous current
* Low saturation voltage
* P
tot
=1 Watt
APPLICATIONS
* Motor driver
* DC-DC converters
ABSOLUTE MAXIMUM RATINGS.
PARAMETER
SYMBOL
VALUE
UNIT
Collector-Base Voltage
V
CBO
35
V
Collector-Emitter Voltage
V
CEO
25
V
Emitter-Base Voltage
V
EBO
5
V
Peak Pulse Current
I
CM
6
A
Continuous Collector Current
I
C
2
A
Power Dissipation at T
amb
=25°C
derate above 25°C
P
tot
1
5.7
W
mW/ °C
Operating and Storage Temperature Range
T
j
:T
stg
-55 to +200
°C
ELECTRICAL CHARACTERISTICS (at T
amb
= 25°C unless otherwise stated).
PARAMETER
SYMBOL MIN.
TYP.
MAX.
UNIT
CONDITIONS.
Collector-Base
Breakdown Voltage
V
(BR)CBO
35
V
I
C
=100
µ
A
Collector-Emitter
Breakdown Voltage
V
(BR)CEO
25
V
I
C
=10mA*
Emitter-Base
Breakdown Voltage
V
(BR)EBO
5
V
I
E
=100
µ
A
Collector Cut-Off
Current
I
CBO
0.1
10
µ
A
µ
A
V
CB
=30V
V
CB
=30V,
T
amb
=100°C
Emitter Cut-Off Current I
EBO
0.1
µ
A
V
EB
=4V
Collector-Emitter
Saturation Voltage
V
CE(sat)
0.12
0.23
0.3
0.5
V
V
I
C
=1A, I
B
=100mA*
I
C
=2A, I
B
=200mA*
Base-Emitter
Saturation Voltage
V
BE(sat)
0.9
1.25
V
I
C
=1A, I
B
=100mA*
Base-Emitter
Turn-On Voltage
V
BE(on)
0.8
1
V
IC=1A, V
CE
=2V*
Static Forward Current
Transfer Ratio
h
FE
70
100
75
15
200
200
150
50
300
I
C
=50mA, V
CE
=2V*
I
C
=1A, V
CE
=2V*
I
C
=2A, V
CE
=2V*
I
C
=6A, V
CE
=2V*
Transition Frequency
f
T
150
240
MHz
I
C
=100mA, V
CE
=5V
f=100MHz
E-Line
TO92 Compatible
ZTX649
3-216
C
B
E
ELECTRICAL CHARACTERISTICS (at T
amb
= 25°C unless otherwise stated).
PARAMETER
SYMBOL MIN.
TYP.
MAX.
UNIT
CONDITIONS.
Output Capacitance
C
obo
25
50
pF
V
CB
=10V f=1MHz
Switching Times
t
on
55
ns
I
C
=500mA, V
CC
=10V
I
B1
=I
B2
=50mA
t
off
300
ns
*Measured under pulsed conditions. Pulse Width=300
µ
s. Duty cycle
≤
2%
THERMAL CHARACTERISTICS
PARAMETER
SYMBOL
MAX.
UNIT
Thermal Resistance:Junction to Ambient
1
Junction to Ambient
2
Junction to Case
R
th(j-amb)1
R
th(j-amb)2
R
th(j-case)
175
116
70
°C/W
°C/W
°C/W
Device mounted on P.C.B. with copper equal to 1 sq. Inch minimum.
ZTX649
-40
0.0001
Derating curve
T
-Temperature
(°C)
M
ax Po
we
r D
is
sipat
io
n
- (
W
a
tts)
Maximum transient thermal impedance
Pulse Width (seconds)
T
h
e
rm
a
l R
esis
ta
nce (
°C/
W
)
10
100
1
0.1
0.01
-20
0
20 40
60 80 100 120
200
180
160
140
0.001
0
100
200
D=0.2
D=0.1
Single Pulse
D=0.5
t
1
t
P
D=t
1
/t
P
1.0
0.5
2.0
1.5
Case temperature
2.5
Ambient temperat
ure
0
D=1 (D.C.)
3-217