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2SK1947 Datasheet PDF - Renesas

Part Number 2SK1947
Description Silicon N Channel MOS FET
Manufacturers Renesas 
Logo Renesas Logo 

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2SK1947 datasheet, circuit
2SK1947
Silicon N Channel MOS FET
Application
High speed power switching
Features
Low on-resistance
High speed switching
Low drive current
Built-in fast recovery diode (trr = 140 ns)
Suitable for switching regulator, motor control
Outline
REJ03G0986-0200
(Previous: ADE-208-1334)
Rev.2.00
Sep 07, 2005
RENESAS Package code: PRSS0004ZF-A
(Package name: TO-3PL)
D
1
2
3
G
S
1. Gate
2. Drain
(Flange)
3. Source
Rev.2.00 Sep 07, 2005 page 1 of 6
Free Datasheet http://www.datasheet4u.com/

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1 page
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2SK1947 equivalent
2SK1947
Reverse Drain Current vs.
Source to Drain Voltage
50
Pulse Test
40
30
20 VGS = 10 V
10
0, –5 V
0 0.4 0.8 1.2 1.6 2.0
Source to Drain Voltage VSD (V)
Normalized Transient Thermal Impedance vs. Pulse Width
3
D=1
1
0.5
0.3 0.2
0.1
0.1 0.05
0.02
0.03 0.01
1 Shot Pulse
0.01
10 µ
100 µ
TC = 25°C
1 m 10 m
Pulse Width PW (S)
θch–c (t) = γS (t) · θch–c
θch–c = 0.625°C/W, TC = 25°C
PDM
PW
T
D
=
PW
T
100 m
1
10
Switching Time Test Circuit
Vin Monitor
Vin
10 V
50
D.U.T.
Vout Monitor
RL
VDD =.. 30 V
Waveforms
90%
Vin 10%
Vout 10%
td (on)
90%
tr
90%
td (off)
10%
tf
Rev.2.00 Sep 07, 2005 page 5 of 6
Free Datasheet http://www.datasheet4u.com/

5 Page
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Information Total 7 Pages
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