2SK435
Silicon N-Channel Junction FET
Application
Low frequency / High frequency amplifier
Outline
TO-92 (2)
1. Drain
2. Source
3. Gate
3
2
1
2SK435
Absolute Maximum Ratings (Ta = 25°C)
Item |
Symbol |
Ratings |
Unit |
Drain to source voltage |
VDS |
22 |
V |
Gate to source voltage |
VGSO |
–22 |
V |
Drain current |
ID |
100 |
mA |
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Gate current |
IG |
10 |
mA |
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Channel power dissipation |
Pch |
300 |
mW |
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Channel temperature |
Tch |
150 |
°C |
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Storage temperature |
Tstg |
–55 to +150 |
°C |
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Electrical Characteristics (Ta = 25°C)
Item |
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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 source breakdown |
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V(BR)GSS |
–22 |
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— |
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— |
V |
I |
G = –10 µA, VDS = 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 = –15 V, VDS = 0 |
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Gate to source cutoff voltage |
VGS(off) |
— |
— |
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–2.5 |
V |
V |
DS = 5 V, ID = 10 µA |
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Drain current |
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IDSS*1 |
6 |
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— |
40 |
mA |
V DS = 5 V, VGS = 0, Pulse test |
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Forward transfer admittance |
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y |
fs |
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— |
mS |
V |
DS = 5 V, ID = 10 mA, |
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f = 1kHz |
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Input capacitance |
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Ciss |
— |
9.0 |
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11.0 |
pF |
V DS = 5 V, VGS = 0, |
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f = 1MHz |
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Reverse transfer capacitance |
Crss |
— |
2.8 |
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4.0 |
pF |
V DS = 5 V, VGS = 0, |
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f = 1MHz |
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Noise figure |
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NF |
— |
0.5 |
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3.0 |
dB |
V DS = 5 V, ID = 1 mA, |
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f = 1kHz, Rg = 1kΩ |
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Note: 1. The 2SK435 is grouped by IDSS as follows. |
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Grade |
B |
C |
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D |
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E |
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IDSS |
6 to 14 |
12 to 22 |
18 to 30 |
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26 to 40 |
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2
Maximum Channel Dissipation Curve
(mW) |
400 |
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ch |
300 |
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P |
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DissipationPower |
200 |
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Channel |
100 |
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0 |
50 |
100 |
150 |
200 |
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Ambient Temperature Ta (°C) |
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Typical Transfer Characteristics
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20 |
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VDS = 5 V |
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(mA) |
16 |
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D |
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Current |
8 |
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Drain |
4 |
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–1.25 |
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–1.0 |
–0.75 |
–0.5 |
–0.25 |
0 |
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Gate to Source Voltage |
VGS (V) |
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2SK435 |
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Typical Output Characteristics |
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20 |
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V |
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= 0V |
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GS |
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(mA) |
16 |
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–0.1 |
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.2 |
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I |
12 |
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–0 |
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Current |
8 |
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–0.3 |
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Drain |
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–0.4 |
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–0.5 |
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–0.6 |
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0 |
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2 |
4 |
6 |
8 |
10 |
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Drain to Source Voltage VDS (V) |
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Forward Transfer Admittance |
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vs. Drain Current |
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100 |
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Admittance |
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(mS) |
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VDS = 5 V |
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f = 1 kHz |
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Transfer |
½y |
10 |
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½ |
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fs |
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Forward |
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1.0 |
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0.1 |
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0.1 |
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1.0 |
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Drain Current |
ID (mA) |
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3