DA228U.pdf 데이터시트 (총 5 페이지) - 파일 다운로드 DA228U 데이타시트 다운로드

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DA221M/DA221/DA204U/DA204K/DA228U/DA228K/UMR12N
Diodes
Switching diode
DA221M / DA221 / DA204U / DA204K
DA228U / DA228K / UMR12N
zApplications
Bias circuits
Protection circuits
zFeatures
1) Three types of packages are available.
(VMD3, EMD3, UMD3, SMD3)
2) Two diode elements are connected in series
(VF × 2) per circuit.
zConstruction
Silicon epitaxial planar
zCircuit
DA221M / DA221 / DA204U /
DA204K / DA228U / DA228K
UMR12N
(3) (2) (1)
D2 D1
D2 D1
D1 D2
(4) (5) (6)
zExternal dimensions (Unit : mm)
DA221M
DA221
0.8±0.1
0.40.4
0.22±0.05
(2) (1)
0.5±0.05
00.1
(3)
0.32±0.05
1.2±0.1
0.13±0.05
(All leads have the same dimensions)
ROHM : VMD3
EIAJ :
JEDEC :
1.6±0.2
1.0±0.1
0.2
+0.1
0.05
0.5 0.5
0.2
+0.1
0.05
0.7±0.1
0.55±0.1
00.1
0.3
+0.1
0.05
0.15±0.05
(All leads have the same dimensions)
ROHM : EMD3
EIAJ : SC-75A
JEDEC : SOT-416
DA204U / DA228U
DA204K / DA228K
2.0±0.2
1.3±0.1
0.65 0.65
0.9±0.1
0.2 0.7±0.1
2.9±0.2
1.9±0.2
0.95 0.95
1.1
+0.2
0.1
0.8±0.1
00.1
00.1
0.3
+0.1
0
0.15±0.05
(All leads have the same dimensions)
ROHM : UMD3
EIAJ : SC-70
JEDEC : SOT-323
0.4
+0.1
0.05
0.15
+0.1
0.06
(All leads have the same dimensions)
ROHM : SMD3
EIAJ : SC-59
JEDEC : SOT-346
UMR12N
2.0±0.2
1.3±0.1
0.65 0.65
(3) (2) (1)
(4) (5) (6)
0.2
+0.1
0.05
0.9±0.1
0.7
0.1Min.
00.1
0.15±0.05
(All leads have the same dimensions)
ROHM : UMD6
EIAJ : SC-88
JEDEC : SOT-363
1/4

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DA221M/DA221/DA204U/DA204K/DA228U/DA228K/UMR12N
Diodes
zMarking
VMD3
DA221M
K
EMD3
DA221
K
UMD3
DA204U
K
UMD6
UMR12N
R12
SMD3
DA204K
K
DA228U
BU
DA228K
BU
zAbsolute maximum ratings (Ta=25°C)
Type
DA221M
Peak
reverse
voltage
VRM(V)
20
DC
reverse
voltage
VR(V)
20
Peak
forward
current
IFM(mA)
200
Mean
rectifying
current
IO(mA)
100
DA221
20
20 200 100
DA204U
DA228U
20
80
20 200 100
80 200 100
DA204K
20
20 200 100
DA228K
UMR12N
80
80
80 200 100
80 200 100
Surge
current
(1µs)
Isurge(mA)
Power
Junction
dissipation temperature
(TOTAL)
Pd(mW)
Tj(°C)
Storage
temperature
Tstg(°C)
300 150
150 55 to +150
300 150
150 55 to +150
300 200
150 55 to +150
300 200
150 55 to +150
300 200
150 55 to +150
300 200
150 55 to +150
300 200
150 55 to +150
zElectrical characteristics (Ta=25°C)
Forward voltage
Type
VF(V)
Max.
Cond.
IF(mA)
DA221M
1.0 10
DA221
1.0 10
DA204U
1.0 10
DA228U
1.2 100
DA204K
1.0 10
DA228K
1.2 100
UMR12N
1.2 100
Reverse current
IR(µA)
Max.
Cond.
VR(V)
0.1 15
0.1 15
0.1 15
0.1 80
0.1 15
0.1 80
0.1 80
Fig.
1 to 4
1 to 4
1 to 4
5 to 9
1 to 4
5 to 9
5 to 9
2/4

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DA221M/DA221/DA204U/DA204K/DA228U/DA228K/UMR12N
Diodes
zElectrical characteristic curves (Ta=25°C)
(DA221, DA204U, DA204K) Fig.1 to 4
100
D1
10
D1+D2
1
1.0
0.01
0
0.4 0.8 1.2 1.6 2.0
FORWARD VOLTAGE : VF (V)
2.4
Fig.1 Forward characteristics
100
D2
10
1 Ta=125°C
75°C
25°C
1.0 25°C
0.01
0
0.4 0.8 1.2 1.6 2.0
FORWARD VOLTAGE : VF (V)
2.4
Fig.2 Forward characteristics
100
D1 Ta=125°C
10
D2 125°C
1 D1 100°C
D2 100°C
0.1 D1 75°C
D2 75°C
0.01
0
5 10 15
REVERSE VOLTAGE : VR (V)
20
Fig.3 Reverse characteristics
10
f=1MHz
5 (D2)
2 (D1)
1 (D1+D2)
0.5 1
2
5 10 20
REVERSE VOLTAGE : VR (V)
Fig.4 Capacitance between
terminals characteristics
3/4

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DA221M/DA221/DA204U/DA204K/DA228U/DA228K/UMR12N
Diodes
(DA228U, DA228K, UMR12N) Fig.5 to 9
500
D1
100
Ta=125°C
75°C
25°C
25°C
10
500
D2
100
10
Ta=125°C
75°C
25°C
25°C
10
D1
1
0.1
0.01
0.001
Ta=125°C
Ta=75°C
Ta=25°C
Ta=25°C
1
0 0.5 1.0 1.5
FORWARD VOLTAGE : VF (V)
Fig.5 Forward characteristics
1
0 0.2 0.4 0.6 0.8 1.0 1.2
FORWARD VOLTAGE : VF (V)
Fig.6 Forward characteristics
0.0001
0
25 50
REVERSE VOLTAGE : VR (V)
75
Fig.7 Reverse characteristics
10
D2
1
Ta=125°C
0.1
Ta=75°C
0.01
Ta=25°C
0.001
Ta=25°C
0.0001
0
25 50
REVERSE VOLTAGE : VR (V)
75
Fig.8 Reverse characteristics
10
f=1MHz
D1
D2
1
0 2 4 6 8 10 12
REVERSE VOLTAGE : VR (V)
Fig.9 Capacitance between
terminals characteristics
4/4

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Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document use silicon as a basic material.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.0