S21MD6T
1 50Hz, sine wave
2 RH= 40 to 60% , AC for 1 minute, f = 60Hz
3 For 10 seconds
s
Absolute Maximum Ratings
( Ta = 25C)
S21MD6T
Built-in Zero-cross Circuit
Phototriac Coupler
s
Features
s
Applications
s
Outline Dimensions
( Unit : mm)
Symbol
Rating
Unit
I
F
50
mA
V
R
6
V
I
T
0.1
1
I
surge
1.2
A
V
DRM
600
V
2
V
iso
T
opr
- 30 to + 100
C
T
stg
- 55 to + 125
C
3
T
sol
260
C
1. For triggering medium/high power triac
S21MD6T
Zero
cross
circuit
Internal connection
diagram
Anode
mark
1 Anode
2 Cathode
3 NC
4 Anode/
Cathode
6 Anode/
Cathode
1
2
3
4
6
1
2
3
4
6
Parameter
Input
Forward current
Reverse voltage
Output
RMS ON-state current
Peak one cycle surge current
Repetitive peak OFF-state voltage
Isolation voltage
Operating temperature
Storage temperature
Soldering temperature
1. Built-in zero-cross circuit ( 200V )
2. No. 5 pin completely molded for external
noise resistance
3. Long dielectric distance between AC lines
( 3.9mm )
data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.
"
"
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs,
4. Recognized by UL, file No.E64380
5 000
A
rms
V
rms
=
0 to 13
6.5
0.5
0.9
0.2
1.2
0.3
2.54
0.25
7.12
0.5
3.5
0.5
0.5
TYP.
0.5
0.1
3.7
0.5
3.35
0.5
7.62
0.3
0.26
0.1
g TUV ( DIN-VDE0884) approved type is also available as an option.
..
S21MD6T
s
Electro-optical Characteristics
( Ta = 25C)
2
V
DRM
= 1/
Rated
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Input
Forward voltage
V
F
I
F
= 20mA
-
1.2
1.4
V
Reverse current
I
R
V
R
= 3V
-
-
10
- 5
A
Output
Repetitive peak OFF-state current
I
DRM
V
DRM
= Rated
-
-
10
- 6
A
ON-state voltage
V
T
I
T
= 0.1A
-
2.0
3.0
V
Holding current
I
H
V
D
= 6V
0.1
0.5
3.5
mA
Critical rate of rise of OFF-state voltage
100
-
-
V/
s
Zero-cross voltage
V
OX
-
-
35
V
Transfer-
teristics
Minimum trigger current
I
FT
V
D
= 6V, R
L
= 100
-
-
10
mA
Isolation resistance
R
ISO
5 x 10
10
10
11
-
Turn-on time
t
on
V
D
= 6V, R
L
= 100
, I
F
= 20mA
-
-
50
s
- 30
0
25
50
75
100
125
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
Fig. 1 RMS ON-state Current vs.
Ambient Temperature
rms
)
Ambient temperature T
a
(C)
- 30
0
25
50
75
100
125
0
10
20
30
40
50
60
70
Fig. 2 Forward Current vs.
Ambient Temperature
Forward current I
F
(
mA
)
Ambient temperature T
a
(C)
200
10
5
2
1
0
0.5
1.0
1.5
2.5
3.0
2.0
100
20
50
75C
50C
25C
0C
- 30C
F
Forward current I
F
(
mA
)
T
a
= 100C
Fig. 3 Forward Current vs. Forward Voltage
- 30
0
20
40
60
80
100
0
2
4
6
8
10
12
14
Fig. 4 Minimum Trigger Current vs.
Ambient Temperature
Minimum trigger current I
FT
(
mA
)
Ambient temperature T
a
(C)
V
D
= 6V
R
L
= 100
charac-
RMS ON-state current I
T
(
A
Forward voltage V
Resistance load , I
F
= 15mA
DC500V, 40 to 60% RH
(V)
dV/dt
- 30
0
20
40
60
80
100
0.7
0.8
0.9
1.0
1.1
1.2
1.3
V
DRM
(
T
j
=T
a
)
/V
DRM
(
T
j
=
25C
)
Ambient temperature T
a
(C)
Fig. 5 Relative Repetitive Peak OFF-state
-30
0
20
40
60
80
100
1.4
1.5
1.6
1.7
1.8
1.9
2.0
Fig. 6 ON-state Voltage vs.
Ambient Temperature
(
V
)
Ambient temperature T
a
(C)
I
T
= 100mA
- 30
0
20
40
60
80
100
0.2
1
0.1
0.5
2
5
10
Holding current I
H
(
mA
)
Ambient temperature T
a
(C)
V
D
= 6V
Fig. 7 Holding Current vs.
Ambient Temperature
100
200
300
400
500
600
5
2
5
2
T
a
= 25C
(V)
- 30
0
20
40
60
80
100
5
2
5
2
5
2
5
2
5
Fig. 9 Repetitive Peak OFF-state Current vs.
Ambient temperature T
a
(C)
- 30
0
20
40
60
80
100
15
20
25
Zero-cross voltage V
OX
(
V
)
Ambient temperature T
a
(C)
I
F
= 15mA
Fig.10 Zero-cross Voltage vs.
R load
V
DRM
= 600V
10
-7
10
-8
10
-5
10
-6
10
-7
10
-8
10
-9
Voltage vs. Ambient Temperature
Relative repetitive peak OFF-state voltage
Repetitive peak OFF-state current I
DRM
(
A
)
Ambient Temperature
Ambient Temperature
Repetitive peak OFF-state current I
DRM
(
A
)
OFF-state voltage V
D
Fig. 8 Repetitive Peak OFF-state Current vs.
OFF-state Voltage
S21MD6T
ON-state voltage V
T
Fig.11 ON-state Current vs. ON-state Voltage
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
10
20
30
40
50
60
70
80
90
100
T
(
mA
)
(V)
Zero-
cross
Circuit
+
V
CC
V
IN
1
2
3
6
4
Load
s
Basic Operation Circuit
AC200V
I
F
= 20mA
T
a
= 25C
S21MD6T
ON-state current I
ON-state voltage V
T
Medium/High Power Triac Drive Circuit
Note) Please use on condition of the triac for power triggers.
Please refer to the chapter " Precautions for Use " ( Page 78 to 93) .
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