TESTING
SMALL POLARIZED
RELAY WITH HIGH
SENSITIVITY 50mW
7.4
.291
8.2
.323
15
.591
7.4
.291
8.4
.331
TX-S
RELAYS
Outstanding surge resistance
Surge withstand between open contacts:
1,500V 10×160µs (FCC part 68)
Surge withstand between contacts and
coil:
2,500V 2×10µs (Bellcore)
15
.591
FEATURES
High sensitivity
• 50mW nominal operating power
(single side stable 1.5-12V)
• Useful for electric-power-saving
Approx. 0.3µV low thermal electromo-
tive force
mm
inch
SA type
SPECIFICATIONS
Contact
Arrangement
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A )
Contact material
Nominal switching capacity
(resistive load)
Rating
Max. switching power
(resistive load)
Max. switching voltage
Max. switching current
Min. switching capacity
f1
Single side stable
Nominal
operating
power
1 coil latching
2 coil latching
Expected
life (min.
operations)
Note:
f1This
value can change due to the switching frequency, environmental conditions,
and desired reliability level, therefore it is recommended to check this with the ac-
tual load.
Characteristics
2 Form C
100 mΩ
Gold-clad silver alloy
1 A 30 V DC
30 W (DC)
110 V DC
1A
10
µA
10 mV DC
50 mW (1.5 to 12 V DC)
70 mW (24 V DC)
35 mW (1.5 to 12 V DC)
50 mW (24 V DC)
70 mW (1.5 to 12 V DC)
150 mW (24 V DC)
5×10
7
2×10
5
Initial insulation resistance*
1
Between open contacts
Initial
breakdown
voltage*
2
Between contact sets
Between contacts and coil
Between open contacts
Initial surge (10
×
160µs)
voltage
Between contacts and coil
(2
×
10
µs)
Operate time [Set time]*
3
(at 20°C)(at nominal voltage)
Min. 1,000 MΩ (at 500 V DC)
750 Vrms for 1min.
1,000 Vrms for 1min.
1,800 Vrms for 1min.
1,500V (FCC Part 68)
2,500V (Bellcore)
Max. 5 ms (Approx. 3 ms)
[Max. 5 ms (Approx. 3 ms)]
Max. 5 ms (Approx. 1.5 ms)
[Max. 5 ms (Approx. 3 ms)]
Max. 50°C
Min. 750 m/s
2
{75 G}
Min. 1,000 m/s
2
{100 G}
10 to 55 Hz at double
amplitude of 3.3 mm
10 to 55 Hz at double
amplitude of 5 mm
–40°C to +70°C
–40°F to +158°F
5 to 85% R.H.
Approx. 2 g .071
oz
Release time (without diode)
[Reset time]*
3
(at 20°C)(at nominal voltage)
Temperature rise*
4
(at 20°C)
Functional*
5
Shock resistance
Destructive*
6
Functional*
7
Vibration resistance
Destructive
Conditions for operation, Ambient
transport and storage*
8
temperature
(Not freezing and condensing
Humidity
at low temperature)
Unit weight
Mechanical (at 180 cpm)
Electrical
1 A 30 V DC
(at 20 cpm) resistive
Remarks
* Specifications will vary with foreign standards certification ratings.
*
1
Measurement at same location as "Initial breakdown voltage" section.
*
2
Detection current: 10mA
*
3
Excluding contact bounce time.
*
4
By resistive method; nominal voltage applied to the coil; contact carrying current:
1 A.
*
5
Half-wave pulse of sine wave: 6 ms; detection time: 10
µs
*
6
Half-wave pulse of sine wave: 6 ms
*
7
Detection time: 10
µs
*
8
Refer to 4. Conditions for operation, transport and storage mentioned in Cautions
for use (Page 178).
TYPICAL APPLICATIONS
• Telephone equipment
• Measuring equipment
• Communications equipment
• Office Automation equipment
ORDERING INFORMATION
Ex. TXS
Contact arrangement
2: 2 Form C
Surface-mount availability
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
SA
–
L
–
H
–
3V
–
Z
Packing style
Nil: Tube packing
Z: Tape and reel
packing(piked
from the 8/9/10/12
-pin side
Operating function Terminal shape
Nil: Single side
Nil:
stable
L: 1 coil latching
L2: 2 coil latching
Coil voltage (DC)
Nil: Standard PC 1.5, 3, 4.5, 6, 9,
board terminal or 12, 24 V
surface-mount
terminal
H: Self-clinching
terminal
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.) TXS2SA-3 V-X
2. Tape and reel packing symbol “-Z” or “-X” are not marked on the relay.
167
TX-S
TYPES AND COIL DATA (at 20°C
68°F)
1) Standard PC board terminal type and self-clinching terminal type
Single side stable
Part No.
Standard PC
board terminal
TXS2-1.5V
TXS2-3V
TXS2-4.5V
TXS2-6V
TXS2-9V
TXS2-12V
TXS2-24V
Self-clinching
terminal
TXS2-H-1.5V
TXS2-H-3V
TXS2-H-4.5V
TXS2-H-6V
TXS2-H-9V
TXS2-H-12V
TXS2-H-24V
Nominal
voltage, V DC
1.5
3
4.5
6
9
12
24
Pick-up
voltage,
V DC (max.)
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Drop-out
voltage,
V DC (min.)
0.15
0.3
0.45
0.6
0.9
1.2
2.4
Nominal
operating
current,
mA (±10%)
33.3
16.7
11.1
8.3
5.6
4.2
2.9
Coil
resistance,
Ω
(±10%)
45
180
405
720
1,620
2,880
8,229
Nominal
operating
power,
mW
50
50
50
50
50
50
70
Max.
Allowable
voltage,
V DC
2.2
4.5
6.7
9
13.5
18
36
1 coil latching
Part No.
Standard PC
board terminal
TXS2-L-1.5V
TXS2-L-3V
TXS2-L-4.5V
TXS2-L-6V
TXS2-L-9V
TXS2-L-12V
TXS2-L-24V
Self-clinching
terminal
TXS2-L-H-1.5V
TXS2-L-H-3V
TXS2-L-H-4.5V
TXS2-L-H-6V
TXS2-L-H-9V
TXS2-L-H-12V
TXS2-L-H-24V
Nominal
voltage,
V DC
1.5
3
4.5
6
9
12
24
Set voltage,
V DC (max.)
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Reset voltage,
V DC (Max.)
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Nominal
operating
current,
mA (±10%)
23.3
11.7
7.8
5.8
3.9
2.9
2.1
Coil
resistance,
Ω
(±10%)
64.3
257
579
1,029
2,314
4,114
11,520
Nominal
operating
power,
mW
35
35
35
35
35
35
50
Max.
Allowable
voltage,
V DC
2.2
4.5
6.7
9
13.5
18
36
2 coil latching
Part No.
Standard PC
board terminal
TXS2-L2-1.5V
TXS2-L2-3V
TXS2-L2-4.5V
TXS2-L2-6V
TXS2-L2-9V
TXS2-L2-12V
TXS2-L2-24V
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.
Self-clinching
terminal
TXS2-L2-H-1.5V
TXS2-L2-H-3V
TXS2-L2-H-4.5V
TXS2-L2-H-6V
TXS2-L2-H-9V
TXS2-L2-H-12V
TXS2-L2-H-24V
Nominal
voltage,
V DC
1.5
3
4.5
6
9
12
24
Set voltage,
V DC (max.)
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Reset voltage,
V DC (Max.)
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Nominal
operating
current,
mA (±10%)
46.7
23.3
15.6
11.7
7.8
5.8
6.3
Coil
resistance,
Ω
(±10%)
32.1
129
289
514
1,157
2,057
3,840
Nominal
operating
power,
mW
70
70
70
70
70
70
150
Max.
Allowable
voltage,
V DC
2.2
4.5
6.7
9
13.5
18
36
2) Surface-mount terminal type
Single side stable
Part No.
TXS2Sr-1.5 V
TXS2Sr-3 V
TXS2Sr-4.5 V
TXS2Sr-6 V
TXS2Sr-9 V
TXS2Sr-12 V
TXS2Sr-24 V
Nominal
voltage,
V DC
1.5
3
4.5
6
9
12
24
Pick-up voltage,
V DC (max.)
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Drop-out
voltage,
V DC (min.)
0.15
0.3
0.45
0.6
0.9
1.2
2.4
Nominal
operating
current,
mA (±10%)
33.3
16.7
11.1
8.3
5.6
4.2
2.9
Coil resistance,
Ω
(±10%)
45
180
405
720
1,620
2,880
8,229
Nominal
operating power,
mW
50
50
50
50
50
50
70
Max. Allowable
voltage,
V DC
2.2
4.5
6.7
9
13.5
18
36
168
TX-S
1 coil latching
Part No.
TXS2Sr-L-1.5 V
TXS2Sr-L-3 V
TXS2Sr-L-4.5 V
TXS2Sr-L-6 V
TXS2Sr-L-9 V
TXS2Sr-L-12 V
TXS2Sr-L-24 V
Nominal
voltage,
V DC
1.5
3
4.5
6
9
12
24
Set voltage,
V DC (max.)
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Reset voltage,
V DC (max.)
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Nominal
operating
current,
mA (±10%)
23.3
11.7
7.8
5.8
3.9
2.9
2.1
Coil resistance,
Ω
(±10%)
64.3
257
579
1,029
2,314
4,114
11,520
Nominal
operating power,
mW
35
35
35
35
35
35
50
Max. Allowable
voltage,
V DC
2.2
4.5
6.7
9
13.5
18
36
2 coil latching
Part No.
TXS2Sr-L2-1.5 V
TXS2Sr-L2-3 V
TXS2Sr-L2-4.5 V
TXS2Sr-L2-6 V
TXS2Sr-L2-9 V
TXS2Sr-L2-12 V
TXS2Sr-L2-24 V
Nominal
voltage,
V DC
1.5
3
4.5
6
9
12
24
Set voltage,
V DC (max.)
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Reset voltage,
V DC (max.)
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Nominal
operating
current,
mA (±10%)
46.7
23.3
15.6
11.7
7.8
5.8
6.3
Coil resistance,
Ω
(±10%)
32.1
129
289
514
1,157
2,057
3,840
Nominal
operating power,
mW
70
70
70
70
70
70
150
Max.
Allowable
voltage,
V DC
2.2
4.5
6.7
9
13.5
18
36
r:
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.
• TXS2SA-L-3V-Z
(ex.) • TXS2SA-3V-X
Picked from the 1/3/4/5-pin side
Picked from the 8/9/10/12-pin side
DIMENSIONS
1. Single side stable and 1 coil latching type
Standard PC board terminal
15
.591
0.65 8.2
.026 .323
3.5
.138
5.08
.200
2.54
.100
5.08
.200
0.25
.010
8-1.0 dia
8-.039 dia
mm
inch
PC board pattern
(Copper-side view)
7.4
.291
10.16
.400
Schematic (Bottom view)
Single side stable
1 coil latching
(Deenergized condition)
(Reset condition)
2.54
.100
+
5.08
.200
1
3 4 5
–
+
1
3 4 5
–
0.5
.020
1.15
.045
12
10 9 8
12
10 9 8
Direction indication*
Dirrection indication*
Tolerance:
±0.1
±.004
*Orientation stripe located on top of relay.
Self clinching terminal
15
.591
0.65 8.2
.026 .323
3.5
.138
5.08
.200
2.54
.100
7.4
.291
0.5
.020
1.15
.045
5.08
.200
0.25
.010
General tolerance:
±0.3
±.012
169
TX-S
Surface-mount terminal
SA type
mm
inch
Suggested mounting pad
(Top view)
15
.591
8.2
.323
0.5
.020
5.08
.200
0.65
2.54
.026
.100
8.4
.331
5.08
.200
0.25
9.4±0.5
.010
.370±.020
7.4
.291
3.16
.124
1 5.08
.039 .200
2.54
.100
1.6
.0.63
7.24
.285
0.3
.012
Schematic (Top view)
Single side stable
1 coil latching
(Deenergized condition)
(Reset condition)
–
+
12
10 9 8
+
–
12
10 9 8
1
3 4 5
1
3 4 5
Direction indication
15
.591
For glue-pad
Direction indication
SL type
15
.591
8.2
.323
0.5
.020
5.08
.200
0.65
2.54
.026
.100
Max.
10.0
.390
7.4
.291
1 5.08
.039 .200
3.16
.124
2.54
.100
5.08
0.25
.200
9.4±0.5
.010
.370±.020
7.24
.285
SS type
15
.591
8.2
.323
0.5
.020
5.08
.200
0.65
2.54
.026
.100
Max.
10.0
.390
7.4
.291
1 5.08
.039 .200
2.16
.085
2.54
.100
5.08
.200
7.4±0.5
.291±.020
0.25
.010
6.24
.246
General tolerance:
±0.3
±.012
Tolerance:
±0.1
±.004
2. Coil latching type
Standard PC board terminal
PC board pattern
(Copper side view)
15
.591
0.65 8.2
.026 .323
3.5
.138
5.08
.200
2.54
.100
5.08
.200
0.25
.010
10-1.0 dia
10-.039 dia
7.4
.291
12.7
.500
Schematic (Bottom view)
2 coil latching
(Reset condition)
1
3 4 5 6
2.54
.100
+
5.08
.200
–
–
10 9 8 7
+
12
0.5
.020
1.15
.045
Direction indication*
Tolerance:
±0.1
±.004
7.4
.291
Self clinching terminal
15
.591
0.65 8.2
.026 .323
3.5
.138
5.08
.200
2.54
.100
0.5
.020
1.15
.045
5.08
.200
0.25
.010
General tolerance:
±0.3
±.012
Surface-mount terminal
SA type
15
.591
8.2
.323
0.5
.020
5.08
.200
0.65
2.54
.026
.100
8.4
.331
5.08
.200
0.25
9.4±0.5
.010
.370±.020
Suggested mounting pad
(Top view)
7.4
.291
3.16
.124
1 5.08
.039 .200
2.54
.100
1.6
.0.63
7.24
.285
0.3
.012
Schematic (Top view)
1 coil latching
(Reset condition)
12
10 9 8
7
+
+
1
3
4 5
–
–
6
15
.591
For glue-pad
Direction indication
SL type
15
.591
8.2
.323
0.5
.020
5.08
.200
0.65
2.54
.026
.100
Max.
10.0
.390
7.4
.291
1 5.08
.039 .200
3.16
.124
2.54
.100
5.08
0.25
.200
9.4±0.5
.010
.370±.020
7.24
.285
SS type
15
.591
8.2
.323
0.5
.020
0.65
2.54
.026
.100
Max.
10.0
.390
7.4
.291
2.16
.085
5.08
.200
7.4±0.5
.291±.020
1 5.08
.039 .200
2.54
.100
6.24
.285
0.25
.010
5.08
.200
General tolerance:
±0.3
±.012
Tolerance:
±0.1
±.004
170
TX-S
REFERENCE DATA
1. Maximum switching capacity
2. Life curve
3. Mechanical life
Tested sample: TXS2-4.5V, 10 pcs.
Operating frequency: 180 cpm
Ratio against the rated voltage, %V
100
90
80
70
60
50
40
30
20
10
30
100
200
Contact voltage, V
0
0.5
1.0
Switching current, A
0
10
100
1,000 5,000
No. of operations,
×10
4
Drop-out voltage
Max.
Min.
Pick-up voltage
Max.
Min.
No. of operations
×10
4
DC resistive load
Contact current, A
1.0
100
30V DC
resistive load
0.5
0.4
0.3
0.2
10
4. Electrical life (1 A 30 V DC resistive load)
Tested sample: TXS2-4.5V, 6 pcs.
Operating frequency: 20 cpm
5-(1). Coil temperature rise
Change of contact resistance
100
Contact resistance, mΩ
90
80
70
60
50
40
30
Min.
Max.
Temperature rise,
°C
Change of pick-up and drop-out voltage
Ratio against the reted voltage, %V
100
90
80
70
60
50
40
30
20
10
0
0
5
10
15
20
Drop-out voltage
Max.
Min.
Pick-up voltage
Max.
Min.
Tested sample: TXS2-4.5V, 6 pcs.
Point measured: Inside the coil
Ambient temperature: 25°C
77°F,
70°C
158°F
30
+25°C
+77°F
:x
+70°C
+158°F
:x
20
10
20
10
0
0
5
10
15
20
0
90
100 110
120
130
1A
1A
0A
0A
140 150 160
No. of operations,
×10
4
No. of operations,
×10
4
Coil applied voltage, %V
5-(2). Coil temperature rise
Tested sample: TXS2-24V, 6 pcs.
Point measured: Inside the coil
Ambient temperature: 25°C
77°F,
70°C
158°F
30
Temperature rise,
°C
+25°C
+77°F
:x
+70°C
+158°F
:x
6-(1). Operate and release time (with diode)
Tested sample: TXS2-4.5V, 10 pcs.
6-(2). Operate and release time (without diode)
Tested sample: TXS2-4.5V, 10 pcs.
7
Operate and release time, ms
Operate and release time, ms
6
5
4
3
2
1
Max.
Min.
Max.
Min.
Operate time
Release time
7
6
5
4
3
2
1
0
Max.
Min.
Max.
Min.
Operate time
Release time
20
1A
1A
0A
10
0A
0
90 100 110
120
130
140 150
160
0
80
Coil applied voltage, %V
90
100
110 120
Coil applied voltage, %V
80
90
100
110
120
Coil applied voltage, %V
7. Distribution of pick-up and drop-out voltage
Tested sample: TXS2-4.5V, 50 pcs.
50
45
40
Quantity
35
30
25
20
15
10
5
0
0
20
40
60
80
100
Ratio against the rated voltage, %V
Pick-up voltage
Drop-out voltage
8. Distribution of set and reset voltage
Tested sample: TXS2-4.5V 30 pcs.
20
Set voltage
Reset voltage
15
Quantity
9. Ambient temperature characteristics
Tested sample: TXS2-4.5V 5 pcs.
Rate of change, %
30
20
10
Drop-out
voltage
x
x
Pick-up voltage
20 40 60 80
Ambient
–10 temperature,
°C
–20
–30
10
–40 –20
0
5
0
0
20
40
60
80
100
Ratio against the rated voltage, %V
171
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