2SK522
Silicon N-Channel Junction FET
Application
VHF amplifier, Mixer, local oscillator
Outline
SPAK
1 2 3 |
1. |
Gate |
2. |
Source |
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3. |
Drain |
2SK522
Absolute Maximum Ratings (Ta = 25°C)
Item |
Symbol |
Ratings |
Unit |
Gate to drain voltage |
VGDO |
–30 |
V |
Gate current |
IG |
10 |
mA |
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Drain current |
ID |
20 |
mA |
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Channel power dissipation |
Pch |
200 |
mW |
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Channel temperature |
Tch |
150 |
°C |
Storage temperature |
Tstg |
–55 to +150 |
°C |
Electrical Characteristics (Ta = 25°C)
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Symbol |
Min |
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Typ |
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Max |
Unit |
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Test conditions |
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Gate to drain breakdown |
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V(BR)GDO |
–30 |
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— |
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V |
I |
G = –100 A, IS = 0 |
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voltage |
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Gate cutoff current |
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IGSS |
— |
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–10 |
nA |
V |
GS = –0.5 V, VDS = 0 |
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Drain current |
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IDSS*1 |
4 |
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— |
20 |
mA |
V DS = 5 V, VGS = 0 |
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Gate to source cutoff voltage |
VGS(off) |
— |
— |
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–3 |
V |
V |
DS = 5 |
V, ID = 10 A |
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Forward transfer admittance |
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y |
fs |
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8 |
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10 |
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— |
mS |
V DS = 5 |
V, VGS = 0, f = 1 kHz |
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Input capacitance |
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Ciss |
— |
6.8 |
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pF |
V |
DS = 5 |
V, VGS = 0, f = 1 MHz |
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Reverse transfer capacitance |
Crss |
— |
0.1 |
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— |
pF |
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Power gain |
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PG |
20 |
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27 |
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— |
dB |
V DS = 5 |
V, VGS = 0, |
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f = 100 MHz |
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Noise figure |
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NF |
— |
1.7 |
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2.5 |
dB |
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Note: 1. The 2SK522 is grouped by IDSS as follows. |
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Drain |
D |
E |
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F |
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IDSS |
4 to 8 |
6 to 10 |
10 to 20 |
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2
Maximum Channel Power
Dissipation Curve
(mW) |
300 |
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Pch |
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Dissipation |
200 |
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Channel Power |
100 |
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0 |
50 |
100 |
150 |
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Ambient Temperature Ta (°C) |
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Typical Output Characteristics (2)
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10 |
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(mA) |
8 |
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VGS = 0 |
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–0.2 V |
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D |
6 |
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Current |
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–0.4 |
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Drain |
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–0.6 |
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2 |
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–0.8 |
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–1.0 |
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0 |
1 |
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5 |
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Drain to Source Voltage |
VDS (V) |
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2SK522
Typical Output Characteristics (1)
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10 |
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VGS = 0 |
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(mA) |
8 |
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P |
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ch |
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–0.2 V |
200 |
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D |
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6 |
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mW |
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I |
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Current |
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–0.4 |
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4 |
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–0.6 |
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Drain |
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2 |
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–0.8 |
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–1.0 |
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0 |
10 |
20 |
30 |
40 |
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Drain to Source Voltage |
VDS (V) |
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Typical Transfer Characteristics
(mA) |
15 |
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10 |
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VDS = 5 V |
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D |
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F |
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Current |
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Drain |
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D |
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–3.0 |
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–2.0 |
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–1.0 |
0 |
Gate to Source Voltage VGS (V)
3