SMALL POLARIZED
RELAY WITH HIGH
SENSITIVITY 50mW
7.4
.291
8.2
.323
15
.591
7.4
.291
8.4
.331
TX-
REL
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
Outstanding su
Surge withstand
1,500V 10×1
Surge withstand
coil:
2,500V 2×10
SPECIFICATIONS
Contact
Arrangement
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A )
Contact material
Nominal switching capacity
(resistive load)
Max. switching power
(resistive load)
Rating
Max. switching voltage
Max. switching current
Min. switching capacity
❇1
Single side stable
Nominal
operating
power
1 coil latching
2 coil latching
Expected life Mechanical (at 180 cpm)
(min. opera- Electrical
1 A 30 V DC
tions)
(at 20 cpm) resistive
Note:
❇1This
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 Between contact sets
voltage*
2
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)
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
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 an
for use in catalog.
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
–
Operating function Terminal shape
Nil: Single side
Nil:
stable
L: 1 coil latching
L2: 2 coil latching
Coil volta
Nil: Standard PC 1.5, 3, 4.
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.
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
Nomina
operatin
power,
mW
50
50
50
50
50
50
70
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
Nomina
operatin
power,
mW
35
35
35
35
35
35
50
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
Nomina
operatin
power,
mW
70
70
70
70
70
70
150
2) Surface-mount terminal type
Single side stable
Part No.
TXS2S❍-1.5 V
TXS2S❍-3 V
TXS2S❍-4.5 V
TXS2S❍-6 V
TXS2S❍-9 V
TXS2S❍-12 V
TXS2S❍-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 powe
mW
50
50
50
50
50
50
70
2
1 coil latching
Part No.
TXS2S❍-L-1.5 V
TXS2S❍-L-3 V
TXS2S❍-L-4.5 V
TXS2S❍-L-6 V
TXS2S❍-L-9 V
TXS2S❍-L-12 V
TXS2S❍-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
No
operati
m
2 coil latching
Part No.
TXS2S❍-L2-1.5 V
TXS2S❍-L2-3 V
TXS2S❍-L2-4.5 V
TXS2S❍-L2-6 V
TXS2S❍-L2-9 V
TXS2S❍-L2-12 V
TXS2S❍-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
No
operati
m
1
❍:
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
PC board pattern
(Copper-side view)
7.4
.291
10.16
.400
Sche
Single side s
(Deenergized co
2.54
.100
+
5.08
.200
1
3
–
0.5
.020
1.15
.045
12
10
Direction indic
Tolerance:
±0.1
±.004
*O
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
TX-S
Surface-mount terminal
SA type
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
Single side stable
(Deenergized condition)
–
+
12
10 9 8
1
3 4 5
Direction indication
15
.591
For glue-pad
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 (Bo
2 coil lat
(Reset co
1
2.54
.100
+
5.08
.200
+
12
0.5
.020
1.15
.045
1
Direction ind
Tolerance:
±0.1
±.004
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
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 (
1 coil lat
(Reset co
12
1
+
+
1
3
15
.591
For glue-pad
Direction ind
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
4
REFERENCE DATA
1. Maximum switching capacity
2. Life curve
3. Mechanical life
Tested sample: TXS
Operating frequency
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
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 temper
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: TXS
Point measured: Ins
Ambient temperatur
30
20
10
20
10
0
0
5
10
15
20
0
90
100 11
No. of operations,
×10
4
No. of operations,
×10
4
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
Tested sample: TXS
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.
20
1A
1A
0A
10
0A
0
90 100 110
120
130
140 150
160
0
80
Coil applied voltage, %V
100
90
110 120
Coil applied voltage, %V
80
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 tempe
Tested sample: TXS
10
–40 –20
5
0
0
20
40
60
80
100
Ratio against the rated voltage, %V
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