154
TX-RELAYS
2 AMP. HIGH CAPACITY
RELAY WITH HIGH
SURGE VOLTAGE & HIGH
BREAKDOWN VOL TAGE
TESTING
mm inch
8.2
.323
7.4
.291
15
.591 8.4
.331
7.4
.291
15
.591
FEATURES
• Breakdown voltage between contacts and coil: 2,000 V
• Surge withstand between contacts and coil: 2,500 V
• High contact capacity: 2 A 30 V DC
• Surface-mount type available
SPECIFICATIONS
Contact
Notes:
❇
1This value can change due to the s witching frequency , en vironmental conditions,
and desired reliability lev el, therefore it is recommended to chec k this with the ac-
tual load.
❇
2The upper limit for the ambient temperature is the maximum temperature that
can satisfy the coil temperature rise. Under the pac king condition, allowab le tem-
perature range is from –40 to +70°C –40°C to +158°F.
Remarks
* Specifications will vary with foreign standards certification ratings.
*
1
Measurement at same location as "Initial breakdown voltage" section.
*
2
By resistive method, nominal v oltage applied to the coil; contact carrying current:
2 A.
*
3
Nominal voltage applied to the coil, excluding contact bounce time.
*
4
Nominal voltage applied to the coil, excluding contact bounce time without diode.
*
5
Half-wave pulse of sine wave: 6 ms; detection time: 10
µ
s.
*
6
Half-wave pulse of sine wave: 6 ms.
*
7
Detection time: 10
µ
s.
*
8
Refer to 4. Conditions for operation, transport and storage mentioned in Cautions
for use (Page 178).
Characteristics
Arrangement 2 Form C
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A) 100 m
Ω
Contact material Gold-clad silver alloy
Rating
Nominal switching capacity
(resistive load) 2 A 30 V DC
Max. switching power
(resistive load) 60 W
Max. switching voltage 220 V DC
Max. switching current 2 A
Min. switching capacity
❇
1 10
µ
A 10 mV DC
Nominal
operating
power
Single side stable 140 mW (1.5 to 24 V DC)
270 mW (48 V DC)
1 coil latching 100 mW (1.5 to 24 V DC)
2 coil latching 200 mW (1.5 to 24 V DC)
Expected
life (min.
operations)
Mechanical (at 180 cpm) 10
8
Electrical
(at 20 cpm)
2 A 30 V DC
resistive 10
5
1 A 30 V DC
resistive 5
×
10
5
Initial insulation resistance*
1
Min. 1,000 M
Ω
(at 500 V DC)
Initial
breakdown
voltage
Between open con-
tacts 1,000 Vrms for 1 min.
(Detection current: 10 mA)
Between contact sets 1,000 Vrms for 1 min.
(Detection current: 10 mA)
Between contact and
coil 2,000 Vrms for 1 min.
(Detection current: 10 mA)
Initial surge
voltage
Between open
contacts
(10
×
160
µ
s) 1,500 V (FCC Part 68)
Between contacts
and coil (2
×
10
µ
s) 2,500 V (Bellcore)
Temperature rise*
2
(at 20
°
C) Max. 50
°
C
Operate time [Set time]*
3
(at 20
°
C) Max. 4 ms (Approx. 2 ms)
[Max. 4 ms (Approx. 2 ms)]
Release time [Reset time]*
4
(at
20
°
C) Max. 4 ms (Approx. 1 ms)
[Max. 4 ms (Approx. 2 ms)]
Shock resistance Functional*
5
Min. 750 m/s
2
{75 G}
Destructive*
6
Min. 1,000 m/s
2
{100 G}
Vibration resistance Functional*
7
196 m/s
2
{20 G}, 10 to 55 Hz
at double amplitude of 3.3 mm
Destructive 294 m/s
2
{30G}, 10 to 55 Hz
at double amplitude of 5 mm
Conditions for oper-
ation, transport and
storage*
8
(Not freezing and
condensing at low
temperature)
Ambient tem-
perature
❇
2
–40
°
C to +85
°
C (up to 24 V coil)
–40
°
F to +185
°
F (up to 24 V coil)
–40
°
C to +70
°
C (48 V coil)
–40
°
F to +158
°
F (48 V coil)
Humidity 5 to 85% R.H.
Unit weight Approx. 2 g .071 oz
ORDERING INFORMATION 2SA L 3VHZEx. TX
Contact arrangement Surface-mount availability Operating function Coil voltage (DC)
Nil: Standard PC board terminal type or
Nil: self-clinching terminal type
SA: Standard surface-mount terminal type
SL: High connection reliability surface-mount
SL: terminal type
SS: Space saving surface-mount terminal type
2: 2 Form C Nil: Single side
Nil: stable
L: 1 coil latching
L2: 2 coil latching
Terminal shape
Nil: Standard PC
board terminal or
surface-mount
terminal
H: Self-clinching
terminal
1.5, 3, 4.5, 5, 6,
9, 12, 24, 48* V
Notes: 1. Tape and reel (picked from 1/3/4/5-pin side) is also available by request. Part number suffix “-X” is
needed when ordering.
(ex.) TX2SA-3 V-X
2. Tape and reel packing symbol “-Z” or “-X” are not marked on the relay.
Packing style
Nil: Tube packing
Z: Tape and reel
packing(picked
from the 8/9/10/12
-pin side
*48 V coil type: Single side stable only
––– –
TX
155
Surface-mount terminal variation
TYPES AND COIL DATA (at 20
°
C 68
°
F)
1) Standard PC board terminal type and self-clinching terminal type
1. Single side stable
2. 1 Coil latching
3. 2 Coil latching
Variation Terminal style Usable conditions based on terminal connection solder reliability
Normal environments (indoor) Drastic temperature fluctuations (outdoor)
SA type
(Standard surface-mount terminal type) Recommended —
SL type
(Highly connection reliability surface-
mount terminal type) Recommended Recommended
SS type
(Space saving surface-mount terminal
type) Recommended Recommended
Part No. Nominal
voltage,
V DC
Pick-up
voltage,
V DC (max.)
Drop-out
voltage,
V DC (min.)
Nominal
operating
current,
mA (
±
10%)
Coil
resistance,
Ω
(
±
10%)
Nominal
operating
power,
mW
Max.
allowable
voltage,
V DC
Standard PC
board terminal Self-clinching
terminal
TX2-1.5 V TX2-H-1.5 V 1.5 1.13 0.15 93.8 16 140 2.2
TX2-3 V TX2-H-3 V 3 2.25 0.3 46.7 64.3 140 4.5
TX2-4.5 V TX2-H-4.5 V 4.5 3.38 0.45 31 145 140 6.7
TX2-5 V TX2-H-5 V 5 3.75 0.5 28.1 178 140 7.5
TX2-6 V TX2-H-6 V 6 4.5 0.6 23.3 257 140 9
TX2-9 V TX2-H-9 V 9 6.75 0.9 15.5 579 140 13.5
TX2-12 V TX2-H-12 V 12 9 1.2 11.7 1,028 140 18
TX2-24 V TX2-H-24 V 24 18 2.4 5.8 4,114 140 36
TX2-48 V TX2-H-48 V 48 36 4.8 5.6 8,533 270 57.6
Part No. Nominal
voltage,
V DC Set voltage,
V DC (max.) Reset voltage,
V DC (max.)
Nominal
operating
current,
mA (
±
10%)
Coil
resistance,
Ω
(
±
10%)
Nominal
operating
power,
mW
Max.
allowable
voltage,
V DC
Standard PC
board terminal Self-clinching
terminal
TX2-L-1.5 V TX2-L-H-1.5 V 1.5 1.13 1.13 66.7 22.5 100 2.2
TX2-L-3 V TX2-L-H-3 V 3 2.25 2.25 33.3 90 100 4.5
TX2-L-4.5 V TX2-L-H-4.5 V 4.5 3.38 3.38 22.2 202.5 100 6.7
TX2-L-5 V TX2-L-H-5 V 5 3.75 3.75 20 250 100 7.5
TX2-L-6 V TX2-L-H-6 V 6 4.5 4.5 16.7 360 100 9
TX2-L-9 V TX2-L-H-9 V 9 6.75 6.75 11.1 810 100 13.5
TX2-L-12 V TX2-L-H-12 V 12 9 9 8.3 1,440 100 18
TX2-L-24 V TX2-L-H-24 V 24 18 18 4.2 5,760 100 36
Part No. Nominal
voltage,
V DC Set voltage,
V DC (max.) Reset voltage,
V DC (max.)
Nominal
operating
current,
mA (
±
10%)
Coil
resistance,
Ω
(
±
10%)
Nominal
operating
power,
mW
Max.
allowable
voltage,
V DC
Standard PC
board terminal Self-clinching
terminal
TX2-L2-1.5 V TX2-L2-H-1.5 V 1.5 1.13 1.13 133.9 11.2 200 2.2
TX2-L2-3 V TX2-L2-H-3 V 3 2.25 2.25 66.7 45 200 4.5
TX2-L2-4.5 V TX2-L2-H-4.5 V 4.5 3.38 3.38 44.5 101.2 200 6.7
TX2-L2-5 V TX2-L2-H-5 V 5 3.75 3.75 40 125 200 7.5
TX2-L2-6 V TX2-L2-H-6 V 6 4.5 4.5 33.3 180 200 9
TX2-L2-9 V TX2-L2-H-9 V 9 6.75 6.75 22.2 405 200 13.5
TX2-L2-12 V TX2-L2-H-12 V 12 9 9 16.7 720 200 18
TX2-L2-24 V TX2-L2-H-24 V 24 18 18 8.3 2,880 200 36
5.08
.200
8.4
.331
0.25
.010
9.4±0.5
.370±.020
5.08
.200
Max.
10.0
.394
0.25
.010
9.4±0.5
.370±.020
5.08
.200
Max.
10.0
.394
0.25
.010
7.4±0.5
.291±.020
Notes:
1.Specified value of pic k-up , drop-out, set and reset v oltage is with the condition of
square wave coil pulse. 2.Standard packing: Tube: 40 pcs.; Case: 1,000 pcs.
3.In case of 5 V transistor drive circuit, it is recommended to use 4.5 V type relay.
TX
156
2) Surface-mount terminal type
1. Single side stable
2. 1 coil latching
3. 2 coil latching
❍
: For each surface-mounted terminal variation, input the following letter.
SA type: A , SL type: L , SS type: S
Notes:
1.Specified value of pick-up, drop-out, set and reset voltage is with the condition of square wave coil pulse.
2.Standard packing: Tube: 40 pcs.; Case: 1,000 pcs.
3.Tape and reel packing is also available for surface-mount type by request. Part number suffix "-X" or "-Z" is needed when ordering.
In this case, "X" or "Z" are not marked on the relay.
Quantity in tape and reel: 500 pcs.
(ex.) • TX2SA-3V-X • TX2SA-L-3V -Z
Picked from the 1/3/4/5-pin side Picked from the 8/9/10/12-pin side
4.In case of 5 V transistor drive circuit, it is recommended to use 4.5 V type relay.
Part No. Nominal
voltage,
V DC Pic k-up voltage ,
V DC (max.) Drop-out
voltage,
V DC (min.)
Nominal
operating
current,
mA (
±
10%)
Coil resistance,
Ω
(
±
10%) Nominal
operating power,
mW
Max. allowable
voltage,
V DC
TX2S
❍
-1.5 V 1.5 1.13 0.15 93.8 16 140 2.2
TX2S
❍
-3 V 3 2.25 0.3 46.7 64.3 140 4.5
TX2S
❍
-4.5 V 4.5 3.38 0.45 31 145 140 6.7
TX2S
❍
-5 V 5 3.75 0.5 28.1 178 140 7.5
TX2S
❍
-6 V 6 4.5 0.6 23.3 257 140 9
TX2S
❍
-9 V 9 6.75 0.9 15.5 579 140 13.5
TX2S
❍
-12 V 12 9 1.2 11.7 1,028 140 18
TX2S
❍
-24 V 24 18 2.4 5.8 4,114 140 36
TX2S
❍
-48 V 48 36 4.8 5.6 8,533 270 57.6
Part No. Nominal
voltage,
V DC Set voltage,
V DC (max.) Reset voltage,
V DC (max.)
Nominal
operating
current,
mA (
±
10%)
Coil resistance,
Ω
(
±
10%) Nominal
operating power,
mW
Max. allowable
voltage,
V DC
TX2S
❍
-L-1.5 V 1.5 1.13 1.13 66.7 22.5 100 2.2
TX2S
❍
-L-3 V 3 2.25 2.25 33.3 90 100 4.5
TX2S
❍
-L-4.5 V 4.5 3.38 3.38 22.2 202.5 100 6.7
TX2S
❍
-L-5 V 5 3.75 3.75 20 250 100 7.5
TX2S
❍
-L-6 V 6 4.5 4.5 16.7 360 100 9
TX2S
❍
-L-9 V 9 6.75 6.75 11.1 810 100 13.5
TX2S
❍
-L-12 V 12 9 9 8.3 1,440 100 18
TX2S
❍
-L-24 V 24 18 18 4.2 5,760 100 36
Part No. Nominal
voltage,
V DC Set voltage,
V DC (max.) Reset voltage,
V DC (max.)
Nominal
operating
current,
mA (
±
10%)
Coil resistance,
Ω
(
±
10%) Nominal
operating power,
mW
Max. allowable
voltage,
V DC
TX2S
❍
-L2-1.5 V 1.5 1.13 1.13 133.9 11.2 200 2.2
TX2S
❍
-L2-3 V 3 2.25 2.25 66.7 45 200 4.5
TX2S
❍
-L2-4.5 V 4.5 3.38 3.38 44.5 101.2 200 6.7
TX2S
❍
-L2-5 V 5 3.75 3.75 40 125 200 7.5
TX2S
❍
-L2-6 V 6 4.5 4.5 33.3 180 200 9
TX2S
❍
-L2-9 V 9 6.75 6.75 22.2 405 200 13.5
TX2S
❍
-L2-12 V 12 9 9 16.7 720 200 18
TX2S
❍
-L2-24 V 24 18 18 8.3 2,880 200 36
TX
157
DIMENSIONS
1. Single side stable and 1 coil latching type
Standard PC board terminal
0.5
.020
1.15
.045 5.08
.200 2.54
.100
8.2
.323
3.5
.138
0.65
.026
7.4
.291
5.08
.200
0.25
.010
15
.591
Self clinching terminal
General tolerance:
±
0.3
±
.012
0.5
.020
1.15
.045 5.08
.200 2.54
.100
8.2
.323
3.5
.138
0.65
.026
7.4
.291
5.08
.200
0.25
.010
15
.591
PC board pattern
(Copper-side view)
Tolerance:
±
0.1
±
.004
5.08
.200
2.54
.100
8-1.0 dia
8-.039 dia
10.16
.400
Schematic (Bottom view)
Single side stable
(Deenergized condition) 1 coil latching
(Reset condition)
*Orientation stripe located on top of relay.
Direction indication*
12 10 9 8
1 3 4 5
+
–
Direction indication*
12 10 9 8
1 3 4 5
+
–
Surface-mount terminal
SA type
0.5
.020 5.08
.200 2.54
.100
8.2
.323 8.4
.331
0.65
.026
7.4
.291
5.08
.200 0.25
.010
15
.591
9.4±0.5
.370±.020
SL type
0.5
.020 5.08
.200 2.54
.100
8.2
.323
0.65
.026
7.4
.291
5.08
.200 0.25
.010
15
.591
9.4±0.5
.370±.020
Max.
10.0
.390
SS type
General tolerance: ±0.3 ±.012
0.5
.020 5.08
.200 2.54
.100
8.2
.323
0.65
.026
7.4
.291
5.08
.200 0.25
.010
15
.591
7.4±0.5
.291±.020
Max.
10.0
.390
Suggested mounting pad
(Top view)
Tolerance: ±0.1 ±.004
0.3
.012
3.16
.124
1
.039 2.54
.100
5.08
.200 1.6
.0.63
7.24
.285
15
.591 For glue-pad
3.16
.124
1
.039 2.54
.100
5.08
.200
7.24
.285
2.16
.085
1
.039 2.54
.100
5.08
.200
6.24
.246
Schematic (Top view)
Single side stable
(Deenergized condition) 1 coil latching
(Reset condition)
Direction indication
+
–12 10 9 8
1 3 4 5
Direction indication
+
–
12 10 9 8
1 3 4 5
mm inch
2. Coil latching type
Standard PC board terminal
0.5
.020
1.15
.045 5.08
.200 2.54
.100
8.2
.323
3.5
.138
0.65
.026
7.4
.291
5.08
.200
0.25
.010
15
.591
Self clinching terminal
General tolerance: ±0.3 ±.012
0.5
.020
1.15
.045 5.08
.200 2.54
.100
8.2
.323
3.5
.138
0.65
.026
7.4
.291
5.08
.200
0.25
.010
15
.591
PC board pattern
(Copper side view)
Tolerance: ±0.1 ±.004
5.08
.200
2.54
.100
10-1.0 dia
10-.039 dia
12.7
.500
Schematic (Bottom view)
2 coil latching (Reset condition)
Direction indication*
12 10 9 8 7
1 3 4 5 6
+
+–
–
Surface-mount terminal
SA type
0.5
.020 5.08
.200 2.54
.100
8.2
.323 8.4
.331
0.65
.026
7.4
.291
5.08
.200 0.25
.010
15
.591
9.4±0.5
.370±.020
SL type
0.5
.020 5.08
.200 2.54
.100
8.2
.323
0.65
.026
7.4
.291
5.08
.200 0.25
.010
15
.591
9.4±0.5
.370±.020
Max.
10.0
.390
SS type
General tolerance: ±0.3 ±.012
0.5
.020 5.08
.200 2.54
.100
8.2
.323
0.65
.026
7.4
.291
5.08
.200 0.25
.010
15
.591
7.4±0.5
.291±.020
Max.
10.0
.390
Suggested mounting pad (Top view)
Tolerance: ±0.1 ±.004
0.3
.012
3.16
.124
1
.039 2.54
.100
5.08
.200 1.6
.0.63
7.24
.285
15
.591 For glue-pad
3.16
.124
1
.039 2.54
.100
5.08
.200
7.24
.285
2.16
.085
1
.039 2.54
.100
5.08
.200
6.24
.285
Schematic (Top view)
1 coil latching (Reset condition)
Direction indication
+
+–
–
12 10 9 8 7
1 3 4 5 6
TX
158
REFERENCE DATA
1. Maximum switching capacity 2. Life curve 3. Mechanical life
Tested sample: TX2-5V, 10 pcs.
Operating frequency: 180 cpm
0.2
0.3
0.4
0.5
1.0
2.0
3.0
20 30 50 100 200 300
DC resistive load
0Contact voltage, V
Switching current, A
1.0 2.0
100
50
30
20
10
0
Switching current, A
No. of operations ×104
30V DC
resistive load
0
10
100 10,0001,00010
Max.
Max.
Min.
Min.
20
30
40
50
60
70
80
90
100
No. of operations, ×104
Ratio against the rated voltage, %V
Pick-up voltage
Drop-out voltage
4. Electrical life
Tested sample: TX2-5V, 6 pcs.
Operating frequency: 20 cpm
Change of pick-up and drop-out voltage Change of contact resistance
5-(1). Coil temperature rise
Tested sample: TX2-5V, 6 pcs.
Point measured: Inside the coil
Ambient temperature: 25°C 77°F, 85°C 185°F
101
Max.
Min.
Min.
0
10
20
30
40
50
60
70
80
90
100
23456789
Max.
No. of operations, ×104
Ratio against the rated voltage, %V
Pick-up voltage
Drop-out voltage
101
Max.
Min.
0
10
20
30
40
50
60
70
80
90
100
23456789
No. of operations, ×104
Contact resistance, mΩ
10
30
60
70
100 120 150
0
20
40
50
110 130 140
2A
2A
0A
0A
+25°C +77°F
+85°C +185°F
No. of operate, ×104
Temperature rise, °C
5-(2). Coil temperature rise
Tested sample: TX2-48V, 6 pcs.
Point measured: Inside the coil
Ambient temperature: 25°C 77°F, 70°C 158°F
6-(1). Operate and release time (with diode)
Tested sample: TX2-5V, 10 pcs. 6-(2). Oper ate and release time (without diode)
10
30
60
70
100 120 150
0
20
40
50
110 130 140
2A
2A
0A
0A
+25°C +77°F
+70°C +158°F
No. of operations, ×104
Temperature rise, °C
1
2
4
5
70 80 100 120
0
3
90 110
Max.
Max.
Min.
Min.
Coil applied voltage, %V
Operate and release time, ms
Operate time
Release time
1
2
4
5
70 80 100 120
0
3
90 110
Max.
Max.
Min.
Min.
Coil applied voltage, %V
Operate and release time, ms
Operate time
Release time
7. Distribution of pick-up and drop-out voltage
Tested sample: TX2-5V, 50 pcs. 8. Distribution of set and reset voltage
Tested sample: TX2-L2-12V, 30 pcs. 9. Ambient temperature characteristics
Tested sample: TX2-5V, 5 pcs.
,
,,,
,,,,
,,,,
,,,,
,,,
,,,
,,,,
,,,,
,,
0
10
01020 30 40 50 60 70 80 90 100
20
30
Ratio against the rated voltage, %V
Quantity
Drop-out voltage
Pick-up voltage
0
10
15
01020 30 40 50 60 70 80 90 100
5
Ratio against the rated voltage, %V
Quantity
Set voltage
Reset voltage
–40
40
20
–20
–40 –20 02040 60 80
x
x
Ambient temperature, °C
Rate of change, %
Drop-out
voltage
Pick-up voltage
TX
159
10. Distribution of contact resistance
Tested sample: TX2-5V, 30 pcs. (30 × 4 contacts) 11-(1). High frequency characteristics
Tested sample: TX2-12V, 2 pcs.
Isolation characteristics
11-(2). High frequency characteristics
Tested sample: TX2-12V, 2 pcs.
Insertion loss characteristics
,,
,,,,
,,,,
,,,,
,,,
,,
,,
,,,
,,,,
,,,,
,,,
,
0
10
15
0 20 30 40 50
5
20
30
35
25
1 345
12 10 9 8
(BOTTOM VIEW)
Contact resistance, mΩ
Quantity
Terminal
Nos. 4-5, 8-9
Terminal
Nos. 3-4, 9-10
50
10 100 1,000
100
Frequency, MHz
Isolation, dB
0.6
10 100 1,000
0.2
0.4
1.0
0.8
Frequency, MHz
Insertion loss, dB
12-(1). Malfunctional shock (single side stable)
Tested sample: TX2-5V, 6 pcs
Y'
Y
XZ
Z' X'
Y
Y'
Z' ZXX'
1000m/s2
1000m/s2
1000m/s2
1000m/s2
1000m/s2
1000m/s2
Deenergized condition
Energized condition
12-(2). Malfunctional shock (latching)
Tested sample: TX2-L2-12V, 6 pcs.
Y'
Y
XZ
Z' X'
Y
Y'
Z' ZXX'
1000m/s2
1000m/s2
1000m/s2
1000m/s2
1000m/s2
1000m/s2
Reset state
Set state
13-(1). Influence of adjacent mounting 13-(2). Influence of adjacent mounting 13-(3). Influence of adjacent mounting
–5
0
5
–5
0
5ON ON
OFF OFF
10
.394
6
.236
2
.079 4
.157 8
.315
0
OFF
ON
Pick-up voltage
Drop-out voltage
Inter-relay distance , mm inch
Rate of change, % Rate of change, %
–5
0
5
–5
0
5ON
ON
ON
OFF
OFF
OFF
10
.394
6
.236
2
.079 4
.157 8
.315
0
Pick-up voltage
Drop-out voltage
Inter-relay distance , mm inch
Rate of change, % Rate of change, %
–5
10
.394
6
.236
0
5
–5
0
5
ON
OFF
2
.079
04
.157 8
.315
Pick-up voltage
Drop-out voltage
Inter-relay distance , mm inch
Rate of change, % Rate of change, %
ON
ON
OFF
OFF
ON
OFF
14. Pulse dialing test
Tested sample: TX2-5V, 6 pcs.
(35 mA 48 V DC wire spring relay load)
Circuit
Change of pick-up and drop-out voltage Change of contact resistance
48V DC
458 Ω
0.08
µF0.08
µF
458 Ω
4
3
+
–
Wire spring relay
0
10
20 503010
Max.
Max.
Min.
Min.
20
30
40
50
60
70
80
90
100
40
No. of operation, ×104
Ratio against the rated voltage, %V
Pick-up voltage
Drop-out voltage
50
Max.
Min.
0
10
20
30
40
50
60
70
80
90
100
10 20 30 40
No. of operations, ×104
Contact resistance, mΩ
Note: Data of surface-mount type are the same as those of PC board terminal type.
For Cautions for Use, see Page 178 and 179.
9/1/2000 All Rights Reserved, © Copyright Matsushita Electric Works, Ltd.
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