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QS6K21 Datasheet PDF - Rohm

Part Number QS6K21
Description Nch 45V 1A Power MOSFET
Manufacturers Rohm 
Logo Rohm Logo 

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QS6K21 datasheet, circuit
QS6K21
Nch 45V 1A Power MOSFET
Datasheet
VDSS
RDS(on) (Max.)
ID
PD
45V
420mW
1A
1.25W
lFeatures
1) Low on - resistance.
2) Built-in G-S Protection Diode.
3) Small Surface Mount Package (TSMT6).
4) Pb-free lead plating ; RoHS compliant
lOutline
TSMT6
SOT-457T
(6)
(5)
(4)
(1)
(2)
(3)
lInner circuit
(1) Tr1 Gate
(2) Tr2 Source
(3) Tr2 Gate
(4) Tr2 Drain
(5) Tr1 Source
(6) Tr1 Drain
*1 ESD PROTECTION DIODE
*2 BODY DIODE
lPackaging specifications
Packaging
lApplication
DC/DC converters
Reel size (mm)
Tape width (mm)
Type
Basic ordering unit (pcs)
Taping code
Marking
lAbsolute maximum ratings(Ta = 25°C) <It is the same ratings for the Tr1 and Tr2>
Parameter
Symbol
Value
Drain - Source voltage
Continuous drain current
Pulsed drain current
Gate - Source voltage
Power dissipation
Junction temperature
Range of storage temperature
VDSS
ID *1
ID,pulse *2
VGSS
PD *3
PD *4
Tj
Tstg
45
1.0
2.0
12
1.25
0.9
0.6
150
-55 to +150
Taping
180
8
3,000
TR
K21
Unit
V
A
A
V
W / total
W / element
W / total
°C
°C
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
1/11
2012.10 - Rev.B

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QS6K21 equivalent
QS6K21
lElectrical characteristic curves
Fig.5 Typical Output Characteristics(I)
1
VGS= 10.0V
Ta=25ºC
Pulsed
0.8 VGS= 4.5V
VGS= 4.0V
VGS= 2.5V
0.6 VGS= 1.8V
0.4
0.2
0
0
VGS= 1.5V
0.2 0.4 0.6 0.8
1
Drain - Source Voltage : VDS [V]
Data Sheet
Fig.6 Typical Output Characteristics(II)
1
VGS= 4.5V
0.8 VGS= 2.5V
Ta=25ºC
Pulsed
0.6
VGS= 1.8V
0.4
0.2
0
0
VGS= 1.5V
2 4 6 8 10
Drain - Source Voltage : VDS [V]
Fig.7 Breakdown Voltage
vs. Junction Temperature
80
VGS = 0V
ID = 1mA
Pulsed
60
40
Fig.8 Typical Transfer Characteristics
10
VDS= 10V
Pulsed
1
0.1
0.01
Ta= 125ºC
Ta= 75ºC
Ta= 25ºC
Ta= -25ºC
20
-50
0 50 100 150
Junction Temperature : Tj [°C]
0.001
0
0.5 1 1.5 2 2.5
Gate - Source Voltage : VGS [V]
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
5/11
2012.10 - Rev.B

5 Page
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Information Total 12 Pages
Download[ QS6K21.PDF Datasheet ]

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