DA221 Rohm, DA221 Datasheet
Manufacturer Part Number
DA221
Available stocks
Manufacturer:
RohmSemicond
Diodes
Switching diode
DA221 / DA204U / DA204
DA228U / DA228K / UMR12N
! ! ! ! Applications
Bias circuits
Protection circuits
! ! ! ! Features
1) Three types of packages are available.
2) Two diode elements are connected in series
! ! ! ! Construction
Silicon epitaxial planar
! ! ! ! Circuit
! ! ! ! Marking
DA221 / DA204U / DA204K /
DA228U / DA228K
DA221
(EMD3,UMD3,SMD3)
(V
F
D2
−
× 2) per circuit.
EMD3
D1
DA221 / DA204U / DA204K / DA228U / DA228K / UMR12N
K
−
UMR12N
DA204U
DA228U
D1
D2
UMD3
D2
D1
BU
K
UMR12N
−
! ! ! ! External dimensions (Units : mm)
UMD6
Marking
ROHM : EMD3
EIAJ : SC-75A
JEDEC : SOT-416
DA221
DA204K / DA228K
ROHM : SMD3
EIAJ : SC-59
JEDEC : SOT-346
0.2
+0.1
−0.05
1.9
0.95 0.95
2.9
±
±
0.2
0.2
1.6±0.2
1.0±0.1
(All leads have the same dimensions)
R12
0.5 0.5
0.4
K
−
+
−
0.3
0.1
0.05
0.2
+0.1
−0.05
+0.1
−0.05
0.15±0.05
DA204K
DA228K
0.15
0.7±0.1
+
−
1.1
0.1
0.06
0.8
+
−
0.2
0.1
±
0.55±0.1
0∼0.1
0.1
SMD3
0
∼
0.1
Marking
BU
DA204U / DA228U
UMR12N
ROHM : UMD3
EIAJ : SC-70
JEDEC : SOT-323
ROHM : UMD6
EIAJ : SC-88
JEDEC : SOT-363
K
2.0±0.2
2.0±0.2
1.3±0.1
1.3±0.1
0.65 0.65
0.65 0.65
R12
(All leads have the same dimensions)
0.3
0.2
(All leads have the same dimensions)
+0.1
−0
+0.1
−0.05
0.15±0.05
0.15±0.05
0.2
0.9±0.1
0.9±0.1
0.7±0.1
0.7
1/3
0∼0.1
0∼0.1
0.1Min.
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DA221 Summary of contents
... DA221 / DA204U / DA204K / DA228U / DA228K / UMR12N Diodes Switching diode DA221 / DA204U / DA204 DA228U / DA228K / UMR12N ! ! ! ! Applications Bias circuits Protection circuits ! ! ! ! Features 1) Three types of packages are available. (EMD3,UMD3,SMD3) 2) Two diode elements are connected in series × 2) per circuit Construction Silicon epitaxial planar ...
... DA221 / DA204U / DA204K / DA228U / DA228K / UMR12N Diodes ! ! ! ! Absolute maximum ratings (Ta=25°C) Peak DC reverse reverse Type voltage voltage DA221 20 20 DA204U 20 20 DA228U 80 80 DA204K 20 20 DA228K 80 80 UMR12N Electrical characteristics (Ta=25°C) Forward voltage Type Cond Max. ...
... DA221 / DA204U / DA204K / DA228U / DA228K / UMR12N Diodes 10 f=1MHz (D2) 5 (D1 (D1+D2) 0 REVERSE VOLTAGE : V (V) R Fig.4 Capacitance between terminals characteristics (DA228U, DA228K, UMR12N) … … … … Fig.5∼9 500 D1 Ta=125°C 100 75°C 25°C −25° 0.5 1.0 1.5 FORWARD VOLTAGE : V ...
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