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Электронный компонент: 1SS244

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1SS244
Diodes
Rev.A 1/2
Switching diode
1SS244

Applications
External dimensions (Unit : mm)
High voltage switching
JEDEC : DO-34
ROHM : MSD
291
291
2.70.3
0.40.1
1.80.2
CATHODE BAND (BLACK)
TYPE NO. (BLACK)
2
4
4
General purpose rectification

Features
1) Glass sealed envelope. (MSD)
2) High reliability.

Construction
Silicon epitaxial planar
Taping specification (Unit : mm)
T-72 52.41.5
T-77 26.0+0.4
'
-0
5.00.5
0.5
0
50.40.4
0.3
G1
0.1
G2
0
H1
6.00.5
H2
5.00.5
I
0.5
L1-L2
0.6
t
3.2MIN
H2(6mm)BROWN
)201.5mm
(mm)
A
H2
H2
E
I
B
C
L2
L1
F
D
H1
t
H1
G2
G1
IVORY
BLUE
Mark
Standard dimension
value (mm)
cf : cumulativ e pitch tolerance with 20 pitch than 1.5mm














Absolute maximum ratings (Ta=25
C)
Symbol
Unit
V
RM
V
V
R
V
I
FM
mA
Io
mA
I
surge
mA
P
m
Tj
Tstg
W
rse voltage (DC)
220
orward current
625
Parameter
Limits
rse voltage (repetitive peak)
250
1000
ction temperature
175
ower dissipation
300
verage rectified forward current
200
torage temperature
-65 to 175
rge current (1s)
Reve

Reve
F
A
Su
P
Jun
S
Electrical characteristics (Ta=25
C)

Symbol
Min.
Typ.
Max.
Unit
Conditions
V
F
-
-
1.5
V
I
F
=200mA
I
R
-
-
10
A
V
R
=220V
Ct
-
-
3
pF
V
R
=0V , f=1MHz
Trr
-
-
75.0
ns
I
R
=20mA,I
F
=20mA,RL=50
Reverse recovery time
Parameter
Forward voltage
Reverse current
Capacitance between terminals
1SS244
Diodes
Rev.A 2/2
Electrical characteristics curves (Ta=25
C)


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

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

C
U
RR
E
N
T
:
I
R
(
n
A
)
REVERSE VOLTAGEVR(V)
VR-IR CHARACTERISTICS
C
A
P
A
CI
T
A
N
C
E
B
E
T
W
EE
N
TE
R
M
INA
L
S
:
C
t
(
p
F)
REVERSE VOLTAGE:VR(V)
VR-Ct CHARACTERISTICS
VF DISPERSION MAP
F
O
RW
ARD

VO
L
T
AG
E
:
V
F
(
V
)
RE
V
E
RS
E

C
U
RR
E
N
T
:
I
R
(
n
A
)
IR DISPERSION MAP
C
A
P
A
C
I
T
A
N
C
E
B
E
T
W
EEN
TE
R
M
IN
A
L
S
:
C
t
(
p
F
)
Ct DISPERSION MAP
IFSM DISRESION MAP
PE
AK

S
U
R
G
E
F
O
RW
ARD

CU
RR
E
N
T:
IF
S
M
(
A
)
PE
AK
S
U
R
G
E
FO
RW
A
R
D
C
U
RR
E
N
T
:
IFS
M
(
A
)
NUMBER OF CYCLES
IFSM-CYCLE CHARACTERISTICS
PE
AK

S
U
R
G
E
FO
RW
A
R
D

C
U
R
R
E
N
T
:IFS
M
(
A
)
TIME:t(ms)
IFSM-t CHARACTERISTICS
TIME:t(s)
Rth-t CHARACTERISTICS
TR
A
N
S
I
E
N
T
T
H
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
RV
E

R
E
C
O
V
E
RY

T
I
M
E
:
t
r
r
(
n
s
)
E
L
E
C
TR
O
S
TATIC
D
I
SC
H
A
R
G
E
T
E
S
T

E
SD
(
K
V)
ESD DISPERSION MAP
1
10
100
1000
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2
Ta=-25
Ta=125
Ta=75
Ta=25
Ta=175
0.1
1
10
100
1000
10000
100000
1000000
10000000
0
50
100
150
200
250
Ta=125
Ta=-25
Ta=25
Ta=75
Ta=175
0.1
1
10
0
1
2
3
4
5
f=1MHz
1.1
1.11
1.12
1.13
1.14
1.15
1.16
AVE:1.126V
Ta=25
IF=200mA
n=30pcs
0
20
40
60
80
100
120
140
160
180
200
Ta=25
VR=220V
n=30pcs
AVE:48.03nA
0
0.5
1
1.5
2
AVE:0.942pF
Ta=25
VR=0V
f=1MHz
n=10pcs
0
5
10
15
20
8.3ms
Ifsm
1cyc
AVE:4.60A
0
5
10
15
20
25
30
35
40
45
50
Ta=25
IF=IR=20mA
RL=50
n=10pcs
AVE:31.3ns
0
1
2
3
4
5
1
10
100
8.3ms
Ifsm
1cyc
8.3ms
1
10
100
0.1
1
10
100
t(ms)
t
Ifsm
10
100
1000
0.001
0.01
0.1
1
10
100
1000
Rth(j-c)
Rth(j-l)
Rth(j-a)
0
1
2
3
4
5
6
7
8
9
10
AVE:2.15kV
C=200pF
R=0
C=100pF
R=1.5k
AVE:6.43kV
1ms
IM=10mA
IF=100mA
300us
time
Mounted on epoxy board
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
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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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