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Part Number DA227

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DA227
Diodes
Rev.A
1/2
Switching diode
DA227


Applications
Ultra high speed switching

Features
1) Small mold type. (UMD4)
2) High reliability.

Construction
Silicon epitaxial planar

External dimensions (Unit : mm)











Land size figure (Unit : mm)







Structure


JEITA : SC-82
JEDEC : SOT-343
dot (year week factory)
ROHM : UMD4
JEITA : SC-82
JEDEC : SOT-343
1Pin Mark
2.0±0.2
2
.
1±
0.
1
1.2
5±
0.1
0.25±
0.1
0.05
(3)
(2)
1.3±0.1
0.65
0.65
(4)
(1)
0.15±0.05
0.9±0.1
0.7
0.
1M
in
00.1
Each lead has same dimension
UMD4
0.7
0.
9
M
I
N
.
0.05
1.3
0.6
1.
6
Taping specifications(Unit : mm)




2.2±0.1
4.0±0.1
4.0±0.1
2.0±0.05
1.55±0.05



Absolute maximum ratings (Ta=25
°
C)









Electrical characteristics (Ta=25
°
C)



Symbol
Unit
V
RM
V
V
R
V
I
FM
mA
Io
mA
I
surge
A
Pd
mW
Tj
Tstg
Parameter
Reverse voltage (DC)
verage rectified forward current (single)
everse voltage (repetitive peak)
eak reverse voltage (single)
ower dissipation
Limits
80
100
80
300
nction temperature
torage temperature
urge current
t=1us
4
150
-55 to +150
150
A
R
P
P
Ju
S
S
Symbol
Min.
Typ.
Max.
Unit
Conditions
V
F
-
-
1.2
V
I
F
=100mA
Reverse current
I
R
-
-
0.1
µA
V
R
=70V
Ct
-
-
3.5
pF
V
R
=6V , f=1MHz
trr
-
-
4
ns
V
R
=6V , IF=5mA , RL=50
Reverse recovery time
pacitance between terminals
orward voltage
Parameter
Ca
F
3.
5
±
0.
8.
0±
0
.
2
0
5
1.
75±
0.
1
1.15±0.1
2.
4±
0
.
1.1±0.1
2.
45
±
0
.
1
0.3±0.1
2.
4
±
0
.
1
1
5.
5
±
0.
2
0
0
.
5
DA227
Diodes
Rev.A
2/2
Electrical characteristic curves (Ta=25
°
C)



























)
M
(
A
I
FS


W
A
FO
R






)







FORWARD VOLTAGEVF(mV)
VF-IF CHARACTERISTICS
FO
RW
A
R
D

C
U
RRE
N
T
:
I
F(
m
A
)
RE
V
E
RS
E

C
U
RRE
N
T:
IR(
n
A
)
REVERSE VOLTAGEVR(V)
VR-IR CHARACTERISTICS
C
A
P
A
C
I
T
A
N
C
E
BET
W
EEN
TE
R
M
IN
A
L
S
:
Ct(
p
F
)
REVERSE VOLTAGE:VR(V)
VR-Ct CHARACTERISTICS
VF DISPERSION MAP
F
O
R
W
AR
D

VO
L
T
AG
E:VF
(
mV)
RE
V
E
RS
E CU
RR
EN
T
:
I
R
(
n
A
)
IR DISPERSION MAP
CAP
A
CI
TAN
C
E
BE
T
W
E
E
N
TERM
IN
AL
S
:
Ct
(
p
F
)
Ct DISPERSION MAP
IFSM DISRESION MAP
PEA
K

S
U
R
G
E
R
D

C
U
RRE
N
T
:
PE
A
K
S
U
R
GE
FO
RW
A
R
D

C
U
RR
EN
T
:
IF
S
M
(
A
)
NUMBER OF CYCLES
IFSM-CYCLE CHARACTERISTICS
PEA
K

S
U
R
G
E
FO
R
W
A
R
D

C
U
RRE
N
T:
I
F
S
M
(
A
TIME:t(ms)
IFSM-t CHARACTERISTICS
TIME:t(s)
Rth-t CHARACTERISTICS
TR
A
N
S
I
E
N
T
TH
A
E
R
M
A
L
I
M
P
E
D
A
N
C
E
:
R
t
h
(/W
)
trr DISPERSION MAP
RE
S
E
R
V
E

RE
C
O
V
E
RY

T
IM
E
:
trr(
n
s
)
E
L
E
C
TRO
S
TA
TI
C
D
I
SC
H
A
R
G
E
T
E
S
T

E
SD
(
K
V)
ESD DISPERSION MAP
0.1
1
10
100
0
100 200 300 400 500 600 700 800 900 1000
Ta=-25
Ta=125
Ta=75
Ta=25
Ta=150
0.01
0.1
1
10
100
1000
10000
0
10
20
30
40
50
60
70
80
Ta=125
Ta=-25
Ta=25
Ta=75
Ta=150
0.1
1
10
0
5
10
15
20
f=1MHz
900
910
920
930
940
950
AVE:921.7mV
Ta=25
IF=100mA
n=30pcs
0
10
20
30
40
50
60
70
80
90
100
Ta=25
VR=80V
n=10pcs
AVE:9.655nA
0
5
10
15
20
AVE:3.50A
8.3ms
Ifsm
1cyc
0
1
2
3
4
5
6
7
8
9
10
AVE:1.93ns
Ta=25
VR=6V
IF=5mA
RL=50
n=10pcs
0
1
2
3
4
5
1
10
100
8.3ms
Ifsm
1cyc
8.3ms
1
10
100
0.1
1
10
100
t
Ifsm
1
10
100
1000
0.001
0.1
10
1000
Rth(j-a)
Rth(j-c)
1ms
IM=1mA
IF=10mA
300us
time
Mounted on epoxy board
0
1
2
3
4
5
6
7
8
9
10
AVE:0.97kV
C=200pF
R=0
C=100pF
R=1.5k
AVE:2.54kV
0
1
2
3
4
5
6
7
8
9
10
AVE:1.17pF
Ta=25
VR=6V
f=1MHz
n=10pcs
Appendix
Appendix1-Rev1.1


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.
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
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ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
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In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
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