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Semiconductor Devices |
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Programmable Unijunction Transistors (PUT) K6027-9, K6028-9
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Purpose:
Programmable Unijunction Transistors (PUT) can be applied in thyristor-triggers, oscillators, phase power regulators, thyristor actuators, inverters, threshold devices, pulse and timing circuits and other control devices.
Programmable Unijunction Transistors (PUT)
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Schematic Symbol
PUT |
Case SOT-23
K6027-9, K6028-9 |
Case TO-92
K6027, K6028 |
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 SOT-23
1-A, 2-G, 3-C |
 A G C
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Maximum Ratings (TJ=25°C
unless otherwise noted)
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Ratings |
Symbol |
Value |
Unit |
| Anode to Cathode Voltage (*) |
VAK |
+/- 40 |
V |
| Gate to Cathode Forward Voltage |
VGKF |
40 |
V |
| Gate to Cathode Rewerse Voltage |
VGKR |
-5 |
V |
| Gate to Anode Rewerse Voltage |
VGAR |
40 |
V |
| DC Forward Current |
IT |
150 |
mA |
Repetitive Peak Forward Current
(1% Duti Cycle, 0,1ms Pulse Width) |
ITRM |
2
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A |
| DC Gate Current |
IG |
+/-50 |
mA |
| Operating Junction Temperature Range |
TJ |
- 55+125 |
°C |
Power Dissipation
K6027, K6028
K6027-9, K6028-9 |
PD |
500
250 |
mW |
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GA = 1000
Ohms, Anode
negative , RGA = open
Electrical Characteristics (T=25°C)
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Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Peak Current
(VS=10V,
RG=10kOmhs ) |
K6027, K6027-9 |
IP
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- |
4 |
5 |
µ A |
| K6028, K6026-9 |
- |
0,7 |
1 |
| Gate to Anode Leakage Current (VS=40V, Cathode Open) |
IGAO |
- |
1 |
10 |
nA |
| Gate to Cathode Leakage Current (VS=40V, Anode to Cathode Shorted) |
IGKS |
- |
5 |
50 |
nA |
Forward Voltage
(IF=50mA Peak) |
VF |
- |
0,9
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1,7
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V |
Peak Output Voltage
(VS=20V, CC=0,2m F) |
VO |
6
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11
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- |
V |
Valley Current **
(VS=10V, RG=10kOhms) |
K6027 |
IV |
- |
0,04 0,02 |
- |
mA |
| K6028 |
Pulse Voltage Rise Time
(VG=20V, CC=0,2m F) |
tr |
>- |
40
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80
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ns |
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* Before order the complementary parameters must
defined more precisely.
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