Data Sheet
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© 2011 ROHM Co., Ltd. All rights reserved.
Switching Diode
DA204U
Applications Dimensions (Unit : mm) Land size figure (Unit : mm)
Ultra high speed switching
Features
1) Small mold type. (UMD3)
2) High reliability
Construction
Silicon epitaxial planar Structure
Taping dimensions (Unit : mm)
Absolute maximum ratings (Ta=25C)
Symbol Unit
Reverse voltage (repetitive peak) VRM V
Reverse voltage (DC) VRV
Forward current (Single) IFM mA
Average rectified forward current Io mA
Surge current (t=1us）Isurge mA
Power dissipation Pd mW
Junction temperature Tj C
Tstg C
f MHz
Electrical characteristics (Ta=25C)
Symbol Min. Typ. Max. Unit
VF- - 1.0 V IF=10mA
IR- - 0.1 AVR=15V
Ct - - 4.0 pF VR=6V , f=1MHz
Forward voltage
Reverse current
Capacitence between terminals
Parameter Conditions
150
Storage temperature 55 to 150
Rated in slash put frequency 100
200
100
300
200
Parameter Limits
20
20
UMD3
0.9MIN.
0.8MIN.
1.6
0.65
1.3
4.0±0.1
4.0±0.1 2.0±0.05 φ1.55±0.05
3.5±0.05 1.75±0.1
8.0±0.2
φ0.5±0.05
2.4±0.1
2.25±0.1
　　　　 0
5.5±0.2
1.25±0.1
2.4±0.1
0.3±0.1
0～0.1
ROHM : UMD3
JEITA : SC-70
JEDEC : SOT-323
dot (year week factory)
2.0±0.2
2.1±0.1
1.25±0.1
0.3±0.1
各リードとも
同寸法
(3)
1.3±0.1
（0.65） （0.65）
(2) (1)
0.15±0.05
0.9±0.1
0.7±0.1
0.1Min
0～0.1
(1)D2:C　(2)D1:A
(3)D1:C　D2:A
Each lead has same dimension
1/3 2011.06 - Rev.A
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© 2011 ROHM Co., Ltd. All rights reserved.
Data Sheet
DA204U 　
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
7
8
9
10
D2
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
820
830
840
850
860
870
D2
680
690
700
710
720
730
0.1
1
10
0 5 10 15
D2
0.1
1
10
051015
0.001
0.01
0.1
1
10
100
0 5 10 15
Ta=125℃
Ta=25℃
Ta=25℃
Ta=75℃
Ta=150℃
D2
0.001
0.01
0.1
1
10
100
0 5 10 15
Ta=125℃
Ta=25℃
Ta=25℃
Ta=75℃
Ta=150℃
0.1
1
10
100
0 100 200 300 400 500 600 700 800 900 1000 1100
D2
Ta=25℃
Ta=125℃
Ta=75℃
Ta=25℃
Ta=150℃
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℃
FORWARD VOLTAGE : V
F
(mV)
V
F
-I
F
CHARACTERISTICS
FORWARD CURRENT : I
F
(mA)
REVERSE CURRENT : I
R
(nA)
REVERSE VOLTAGE : V
R
(V)
V
R
-I
R
CHARACTERISTICS
CAPACITANCE BETWEEN
TERMINALS:Ct(pF)
REVERSE VOLTAGE : V
R
(V)
V
R
-Ct CHARACTERISTICS
V
F
DISPERSION MAP
FORWARD VOLTAGE : V
F
(mV)
REVERSE CURRENT : I
R
(nA)
I
R
DISPERSION MAP
CAPACITANCE BETWEEN
TERMINALS:Ct(pF)
Ct DISPERSION MAP
FORWARD VOLTAGE : V
F
(mV)
V
F
-I
F
CHARACTERISTICS
FORWARD CURRENT : I
F
(mA)
REVERSE CURRENT : I
R
(nA)
REVERSE VOLTAGE : V
R
(V)
V
R
-I
R
CHARACTERISTICS
REVERSE VOLTAGE : V
R
(V)
VR-Ct CHARACTERISTICS
CAPACITANCE BETWEEN
TERMINALS:Ct(pF)
V
F
DISPERSION MAP
FORWARD VOLTAGE : V
F
(mV)
REVERSE CURRENT : I
R
(nA)
I
R
DISPERSION MAP trr DISPERSION MAP
REVERSE RECOVERY TIME:trr(ns)
f=1MHz f=1MHz
AVE:709.8mV
Ta=25℃
I
F
=10mA
n=30pcs
AVE:849.7mV
Ta=25℃
I
F
=10mA
n=30pcs
Ta=25℃
V
R
=15V
n=30pcs
AVE:0.1065nA
Ta=25℃
V
R
=15V
n=30pcs
AVE:0.620nA
AVE:1.85pF
Ta=25℃
V
R
=6V
f=1MHz
n=10pcs
AVE:1.20ns
Ta=25℃
V
R
=6V
I
F
=10mA
RL=100
Irr=0.1*I
R
n=10pcs
D1
D1
D1
D1 D1
D1 D1
2/3 2011.06 - Rev.A
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© 2011 ROHM Co., Ltd. All rights reserved.
Data Sheet
DA204U 　
0
1
2
3
4
5
6
7
8
9
10
AVE:1.27kV
C=200pF
R=0 C=100pF
R=1.5k
AVE:5.06kV
D2
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
1
10
100
1000
0.001 0.01 0.1 1 10 100 1000
Rth(j-a)
Rth(j-c)
TIME:t(s)
Rth-t CHARACTERISTICS
TRANSIENT
THAERMAL IMPEDANCE:Rth (℃/W)
ELECTROSTATIC
DDISCHARGE TEST ESD(KV)
ESD DISPERSION MAP
AVE:0.33kV AVE:0.96kV
C=200pF
R=0 C=100pF
R=1.5k
1ms
IM=1mA I
F
=10mA
300us
time
Mounted on epoxy board
D1
ELECTROSTATIC
DDISCHARGE TEST ESD(KV)
ESD DISPERSION MAP
3/3 2011.06 - Rev.A
R1120A
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© 2011 ROHM Co., Ltd. All rights reserved.
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Notes