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ZTX857 Datasheet(PDF) 2 Page - Diodes Incorporated

Part # ZTX857
Description  NPN SILICON PLANAR MEDIUM POWER HIGH CURRENT TRANSISTOR
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

ZTX857 Datasheet(HTML) 2 Page - Diodes Incorporated

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NPN SILICON PLANAR MEDIUM POWER
HIGH CURRENT TRANSISTOR
ISSUE 1 – APRIL 94
FEATURES
* 300 Volt VCEO
* 3 Amps continuous current
* Up to 5 Amps peak current
* Very low saturation voltage
*Ptot= 1.2 Watt
ABSOLUTE MAXIMUM RATINGS.
PARAMETER
SYMBOL
VALUE
UNIT
Collector-Base Voltage
VCBO
330
V
Collector-Emitter Voltage
VCEO
300
V
Emitter-Base Voltage
VEBO
6V
Peak Pulse Current
ICM
5A
Continuous Collector Current
IC
3A
Practical Power Dissipation*
Ptotp
1.58
W
Power Dissipation at Tamb=25°C
Ptot
1.2
W
Operating and Storage Temperature Range
Tj:Tstg
-55 to +200
°C
*The power which can be dissipated assuming the device is mounted in a typical manner on a
P.C.B. with copper equal to 1 inch square minimum
ELECTRICAL CHARACTERISTICS (at Tamb= 25°C unless otherwise stated)
PARAMETER
SYMBOL
MIN.
TYP.
MAX. UNIT CONDITIONS.
Collector-Base Breakdown
Voltage
V(BR)CBO
330
475
V
IC=100µA
Collector-Emitter Breakdown
Voltag
V(BR)CER
330
475
V
IC=1µA, RB ≤1KΩ
Collector-Emitter Breakdown
Voltage
V(BR)CEO
300
350
V
IC=10mA*
Emitter-Base Breakdown
Voltage
V(BR)EBO
68
V
IE=100µA
Collector Cut-Off Current
ICBO
50
1
nA
µ
A
VCB=300V
VCB=300V, Tamb=100°C
Collector Cut-Off Current
ICER
R ≤1KΩ
50
1
nA
µ
A
VCB=300V
VCB=300V, Tamb=100°C
Emitter Cut-Off Current
IEBO
10
nA
VEB=6V
Collector-Emitter Saturation
Voltage
VCE(sat)
50
80
140
170
100
140
200
250
mV
mV
mV
mV
IC=0.5A, IB=50mA*
IC=1A, IB=100mA*
IC=2A, IB=200mA*
IC=3A, IB=600mA*
Base-Emitter
Saturation Voltage
VBE(sat)
870
1000
mV
IC=2A, IB=200mA*
E-Line
TO92 Compatible
ZTX857
3-303
C
B
E
ELECTRICAL CHARACTERISTICS (at Tamb= 25°C)
PARAMETER
SYMBOL
MIN.
TYP.
MAX. UNIT CONDITIONS.
Base-Emitter
Turn-On Voltage
VBE(on)
810
950
mV
IC=2A, VCE=5V*
Static Forward
Current Transfer
Ratio
hFE
100
100
15
200
200
25
15
300
IC=10mA, VCE=5V
IC=500mA, VCE=10V*
IC=2A, VCE=10V*
IC=3A, VCE=10V*
Transition Frequency
fT
80
MHz
IC=100mA, VCE=10V
f=100MHz
Output Capacitance
Cobo
11
pF
VCB=20V, f=1MHz
Switching Times
ton
toff
100
5300
ns
ns
IC=250mA, IB1=25mA
IB2=25mA, VCC=50V
*Measured under pulsed conditions. Pulse width=300µs. Duty cycle ≤2%
THERMAL CHARACTERISTICS
PARAMETER
SYMBOL
MAX.
UNIT
Thermal Resistance: Junction to Ambient
Junction to Case
Rth(j-amb)
Rth(j-case)
150
50
°C/W
°C/W
ZTX857
-40
2.0
1.0
0.0001
50
150
100
Derating curve
T -Temperature (°C)
Maximum transient thermal impedance
Pulse Width (seconds)
10
100
1
0.1
0.01
4.0
3.0
-20
0
20 40
60 80 100 120
200
180
160
140
t1
tP
D=t1/tP
Case
te
m
peratu
re
Ambien
t tem
peratur
e
D.C.
D=0.6
D=0.2
D=0.1
Single Pulse
0.001
0
D=0.05
3-304


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