Zetex ZDT705 Datasheet
SM-8 DUAL PNP MEDIUM POWER
DARLINGTON TRANSISTORS
ISSUE 1 - NOVEMBER 1995
PARTMARKING DETAIL T705
ABSOLUTE MAXIMUM RATINGS.
PARAMETER SYMBOL VALUE UNIT
Collector-Base Voltage V
CBO
-140 V
Collector-Emitter Voltage V
CEO
-120 V
Emitter-Base Voltage V
EBO
-10 V
Peak Pulse Current I
CM
-4 A
Continuous Collector Current I
C
-1 A
Operating and Storage Temperature
Range
T
j:Tstg
-55 to +150 °C
THERMAL CHARACTERISTICS
PARAMETER SYMBOL VALUE UNIT
Total Power Dissipation at T
amb
= 25°C*
Any single die on
Both die on equally
P
tot
2.25
2.75
W
W
Derate above 25°C*
Any single die on
Both die on equally
18
22
mW/ °C
mW/ °C
Thermal Resistance - Junction to Ambient*
Any single die on
Both die on equally
55.6
45.5
°C/ W
°C/ W
* The power which can be dissipated assuming the device is mounted in a typical manner
on a PCB with copper equal to 2 inches square.
ZDT705
3 - 345
C
1
C
1
C
2
C
2
B
1
E
1
B
2
E
2
SM-8
(8 LEAD SOT223)
ELECTRICAL CHARACTERISTICS (at T
amb
= 25°C unless otherwise stated).
PARAMETER SYMBOL MIN. MAX. UNIT CONDITIONS.
Collector-Base Breakdown
Voltage
V
(BR)CBO
-140 V
I
C
=-100µA
Collector-Emitter
Breakdown Voltage
V
CEO(SUS)
-120 V IC=-10mA*
Emitter-Base Breakdown
Voltage
V
(BR)EBO
-10 V
I
E
=-100µA
Collector Cutoff Current I
CBO
-0.1
-10
µA
µA
V
CB
=-120V
V
CB
=-120V, T
amb
=100°C
Collector Cutoff Current I
CES
-10
µA
V
CE
=-80V
Emitter Cutoff Current I
EBO
-0.1
µA
V
EB
=-8V
Collector-Emitter
Saturation Voltage
V
CE(sat)
-1.3
-2.5
V
V
IC=-1A, IB=-1mA*
I
C
=-2A, IB=-2mA*
Base-Emitter
Saturation Voltage
V
BE(sat)
-1.8 V IC=-1A, IB=-10mA*
Base-Emitter Turn-On
Voltage
V
BE(on)
-1.7 V IC=-1A, VCE=-5V*
Static Forward
Current Transfer Ratio
h
FE
3K
3K
3K
2K
30K
I
C
=-10mA, VCE=-5V*
I
C
=-100mA, VCE=-5V*
I
C
=-1A, VCE=-5V*
I
C
=-2A, VCE=-5V*
Transition Frequency f
T
160 Typical MHz IC=-100mA, VCE=-10V
f=20MHz
Input Capacitance C
ibo
90 Typical pF VEB=-0.5V, f=1MHz
Output Capacitance C
obo
15 Typical pF VCE=-10V, f=1MHz
Switching Times t
on
0.6 Typical
µs
I
C
=-0.5A, VCE=-10V
I
B1=IB2
=-0.5mA
t
off
0.8 Typical
µs
*Measured under pulsed conditions. Pulse width=300
µs. Duty cycle ≤2%
ZDT705
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