TESTING
TX-S
RELAYS
SMALL POLARIZED
RELAY WITH HIGH
SENSITIVITY 50mW
15
.591
FEATURES
7.4
.291
8.2
.323
15
.591
8.4
.331
SA type
mm inch
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)
High sensitivity
• 50mW nominal operating power
(single side stable 1.5-12V)
• Useful for electric-power-saving
Approx. 0.3µV low thermal electromotive force
7.4
.291
SPECIFICATIONS
Contact
Characteristics
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
2 Form C
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
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)
5×107
Min. 1,000 MW (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/s2 {75 G}
Min. 1,000 m/s2 {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
Functional*7
Vibration resistance
2×105
Destructive
Conditions for operation, Ambient
transport and storage*8
temperature
(Not freezing and condensing
Humidity
at low temperature)
Unit weight
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 actual load.
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
5 to 85% R.H.
Approx. 2 g .071 oz
*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 in catalog.
TYPICAL APPLICATIONS
• Telephone equipment
• Measuring equipment
• Communications equipment
• Office Automation equipment
ORDERING INFORMATION
Ex. TXS
2
SA
Contact arrangement
Surface-mount availability
2: 2 Form C
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
–
L
–
H
–
3V
Operating function Terminal shape
Nil: Single side
Nil: stable
L: 1 coil latching
L2: 2 coil latching
–
Z
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
Packing style
Nil: Tube packing
Z: Tape and reel
packing(piked
from the 8/9/10/12
-pin side
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.
1
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
Nominal
voltage, V DC
Pick-up
voltage,
V DC (max.)
Drop-out
voltage,
V DC (min.)
1.5
3
4.5
6
9
12
24
1.2
2.4
3.6
4.8
7.2
9.6
19.2
0.15
0.3
0.45
0.6
0.9
1.2
2.4
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
Reset voltage,
V DC (Max.)
1.5
3
4.5
6
9
12
24
1.2
2.4
3.6
4.8
7.2
9.6
19.2
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Self-clinching
terminal
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
Reset voltage,
V DC (Max.)
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
1.5
3
4.5
6
9
12
24
1.2
2.4
3.6
4.8
7.2
9.6
19.2
1.2
2.4
3.6
4.8
7.2
9.6
19.2
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
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
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
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
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
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
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
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
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.
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
2
Nominal
voltage,
V DC
Pick-up voltage,
V DC (max.)
Drop-out
voltage,
V DC (min.)
1.5
3
4.5
6
9
12
24
1.2
2.4
3.6
4.8
7.2
9.6
19.2
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%)
Nominal
operating power,
mW
Max. Allowable
voltage,
V DC
45
180
405
720
1,620
2,880
8,229
50
50
50
50
50
50
70
2.2
4.5
6.7
9
13.5
18
36
TX-S
1 coil latching
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
Reset voltage,
V DC (max.)
1.5
3
4.5
6
9
12
24
1.2
2.4
3.6
4.8
7.2
9.6
19.2
1.2
2.4
3.6
4.8
7.2
9.6
19.2
Part No.
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
Reset voltage,
V DC (max.)
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
1.5
3
4.5
6
9
12
24
1.2
2.4
3.6
4.8
7.2
9.6
19.2
1.2
2.4
3.6
4.8
7.2
9.6
19.2
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
operating
current,
mA (±10%)
23.3
11.7
7.8
5.8
3.9
2.9
2.1
Coil resistance,
Ω (±10%)
Nominal
operating power,
mW
Max. Allowable
voltage,
V DC
64.3
257
579
1,029
2,314
4,114
11,520
35
35
35
35
35
35
50
2.2
4.5
6.7
9
13.5
18
36
Coil resistance,
Ω (±10%)
Nominal
operating power,
mW
32.1
129
289
514
1,157
2,057
3,840
70
70
70
70
70
70
150
2 coil latching
Nominal
operating
current,
mA (±10%)
46.7
23.3
15.6
11.7
7.8
5.8
6.3
Max.
Allowable
voltage,
V DC
2.2
4.5
6.7
9
13.5
18
36
❍: 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
mm inch
1. Single side stable and 1 coil latching type
Standard PC board terminal
15
.591
PC board pattern
(Copper-side view)
7.4
.291
2.54
.100
0.65 8.2
.026 .323
0.5
.020
1.15
.045
10.16
.400
5.08
.200
5.08
.200
2.54
.100
+
5.08
.200
3.5
.138
0.25
.010
8-1.0 dia
8-.039 dia
Tolerance: ±0.1 ±.004
Self clinching terminal
15
.591
Schematic (Bottom view)
Single side stable
1 coil latching
(Deenergized condition)
(Reset condition)
–
1
3 4 5
12
10 9 8
Direction indication*
–
+
1
3 4 5
12
10 9 8
Dirrection indication*
*Orientation stripe located on top of relay.
7.4
.291
0.65 8.2
.026 .323
0.5
.020
1.15
.045
3.5
.138
5.08
.200
2.54
.100
5.08
.200
0.25
.010
General tolerance: ±0.3 ±.012
3
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
5.08
.200
0.25
9.4±0.5 .010
.370±.020
0.65
2.54 .026
.100
0.5
.020
5.08
.200
SS type
5.08
.200
6.24
.246
0.25
.010
Tolerance: ±0.1 ±.004
7.4
.291
12.7
.500
2.54
.100
0.65 8.2
.026 .323
5.08
.200
3.5
.138
5.08
.200
2.54
.100
0.25
.010
10-1.0 dia
10-.039 dia
Schematic (Bottom view)
2 coil latching
(Reset condition)
1
3 4 5 6
+
–
+
–
12
10 9 8 7
Direction indication*
Tolerance: ±0.1 ±.004
15
.591
7.4
.291
0.65 8.2
.026 .323
3.5
.138
5.08
.200
5.08
.200
2.54
.100
0.25
.010
General tolerance: ±0.3 ±.012
Surface-mount terminal
SA type
Suggested mounting pad
(Top view)
15
.591
5.08
.200
5.08
.200
0.25
9.4±0.5 .010
.370±.020
0.65
2.54 .026
.100
0.5
.020
5.08
.200
SS type
2.54
.100
7.24
.285
1 5.08
.039 .200
Max.
10.0
.390
2.54
.100
2.16
.085
5.08
.200
6.24
.285
0.25
.010
7.4±0.5
.291±.020
General tolerance: ±0.3 ±.012
4
For glue-pad
3.16
.124
7.4
.291
0.65
2.54 .026
.100
15
.591
5.08
0.25
.200
9.4±0.5 .010
.370±.020
0.65
2.54 .026
.100
8.2
.323
5.08
.200
1 5.08
.039 .200
Max.
10.0
.390
15
.591
0.5
.020
7.24
.285
7.4
.291
8.2
.323
1.6
.0.63
0.3
.012
Schematic (Top view)
1 coil latching
(Reset condition)
2.54
.100
3.16
.124
8.4
.331
15
.591
SL type
1 5.08
.039 .200
7.4
.291
8.2
.323
0.5
.020
3 4 5
Direction indication
7.4±0.5
.291±.020
15
.591
0.5
.020
1.15
.045
1
–
2.54
.100
PC board pattern
(Copper side view)
Self clinching terminal
10 9 8
7.24
.285
2. Coil latching type
Standard PC board terminal
5.08
.200
3 4 5
+
12
2.54
.100
2.16
.085
5.08
.200
General tolerance: ±0.3 ±.012
0.5
.020
1.15
.045
1
+
For glue-pad
15
.591
1 5.08
.039 .200
Max.
10.0
.390
0.65
2.54 .026
.100
10 9 8
3.16
.124
7.4
.291
8.2
.323
12
Direction indication
0.3
.012
5.08
0.25
.200
9.4±0.5 .010
.370±.020
0.65
2.54 .026
.100
15
.591
0.5
.020
7.24
.285
1 5.08
.039 .200
Max.
10.0
.390
–
1.6
.0.63
7.4
.291
8.2
.323
2.54
.100
3.16
.124
8.4
.331
15
.591
SL type
1 5.08
.039 .200
7.4
.291
Schematic (Top view)
Single side stable
1 coil latching
(Deenergized condition)
(Reset condition)
Tolerance: ±0.1 ±.004
12
10 9 8
1
7
–
–
+
+
3
4 5
Direction indication
6
TX-S
REFERENCE DATA
1. Maximum switching capacity
2. Life curve
3. Mechanical life
No. of operations ×104
Contact current, A
DC resistive load
1.0
0.5
0.4
0.3
Ratio against the rated voltage, %V
Tested sample: TXS2-4.5V, 10 pcs.
Operating frequency: 180 cpm
30V DC
resistive load
100
10
0.2
100
90
80
Pick-up voltage
70
Max.
60
Min.
50
40
Drop-out voltage
30
Max.
20
Min.
10
30
100
200
Contact voltage, V
0
0.5
0
1.0
Switching current, A
10
100
1,000 5,000
No. of operations, ×104
4. Electrical life (1 A 30 V DC resistive load)
5-(1). Coil temperature rise
Tested sample: TXS2-4.5V, 6 pcs.
Operating frequency: 20 cpm
Tested sample: TXS2-4.5V, 6 pcs.
Point measured: Inside the coil
Ambient temperature: 25°C 77°F, 70°C 158°F
Change of contact resistance
100
90
90
80
Pick-up voltage
70
Max.
Min.
60
50
40
+25°C +77°F :x
+70°C +158°F :x
80
70
60
50
Max.
40
30
30
Drop-out voltage
20
Max.
Min.
Min.
20
1A
1A
0A
0A
10
20
10
10
0
30
Temperature rise, °C
100
Contact resistance, mΩ
Ratio against the reted voltage, %V
Change of pick-up and drop-out voltage
0
10
5
15
0
20
No. of operations, ×10
0
10
5
4
15
0
20
No. of operations, ×10
90
100 110
4
130
120
140 150 160
Coil applied voltage, %V
5-(2). Coil temperature rise
6-(1). Operate and release time (with diode)
6-(2). Operate and release time (without diode)
Tested sample: TXS2-24V, 6 pcs.
Point measured: Inside the coil
Ambient temperature: 25°C 77°F, 70°C 158°F
Tested sample: TXS2-4.5V, 10 pcs.
Tested sample: TXS2-4.5V, 10 pcs.
20
1A
1A
0A
0A
10
7
7
Operate time
Release time
6
5
Max.
4
Min.
3
Max.
Min.
2
90 100 110
120
130
140 150
0
160
80
5
4
Coil applied voltage, %V
Max.
Min.
3
2
0
100
90
110 120
Coil applied voltage, %V
Operate time
Release time
6
1
1
0
Operate and release time, ms
+25°C +77°F :x
+70°C +158°F :x
Operate and release time, ms
Temperature rise, °C
30
Max.
Min.
80
100
90
110
120
Coil applied voltage, %V
7. Distribution of pick-up and drop-out voltage
8. Distribution of set and reset voltage
9. Ambient temperature characteristics
Tested sample: TXS2-4.5V, 50 pcs.
Tested sample: TXS2-4.5V 30 pcs.
Tested sample: TXS2-4.5V 5 pcs.
Set voltage
Reset voltage
45
Drop-out voltage
15
35
30
Pick-up voltage
25
Quantity
Quantity
40
Rate of change, %
20
50
10
–40 –20
20
15
0
30
20
Drop-out
voltage
x
x
10
Pick-up voltage
20 40 60 80
Ambient
–10 temperature, °C
–20
5
10
–30
5
0
0
20
40
60
80
100
Ratio against the rated voltage, %V
0
0
20
40
60
80
100
Ratio against the rated voltage, %V
5
TX-S
10. Distribution of contact resistance
11-(1). High frequency characteristics
11-(2). High frequency characteristics
Tested sample: TXS2-4.5V, 50 pcs. (50x4 contacts)
Tested sample: TXS2-4.5V, 2 pcs.
Isolation characteristics
Tested sample: TXS2-4.5V, 2 pcs.
Insertion loss characteristics
100
1
3 4 5
12
10 9 8
(BOTTOM VIEW)
Quantity
70 Terminal
No. 4-5, 8-9
60
Terminal
No. 3-4, 9-10
50
Insertion loss, dB
80
Isolation, dB
90
100
1.0
0.8
40
50
30
0.6
0.4
20
0.2
10
0
10
20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
100
1,000
10
100
Frequency, MHz
Frequency, MHz
Contact resistance, mΩ
12-(1). Malfunctional shock (single side stable)
12-(2). Malfunctional shock (latching)
13. Thermal electromotive force
Tested sample: TXS2-4.5V, 6 pcs.
Tested sample: TXS2-L2-4.5V, 6 pcs.
Tested sample: TXS2-4.5V, 10 pcs.
1,000
20
Y
Y’
X’
Y
Deenergized condition
Energized condition
X
Z
Z’
1000m/s2
1000m/s2
Z’
Z
1000m/s2
1000m/s2
1000m/s2
X’
18
16
X
Z
1000m/s2
1000m/s2
Reset state
Set state
Y
1000m/s2
Y
Y’
X
X’
1000m/s
Z’
2
14
Quantity
X
Z
Z’
12
10
8
1000m/s2
X’
6
4
1000m/s2
Y’
1000m/s2
Y’
2
0
0
0.15
0.25
0.35
0.45
0.55
Thermal electromotive force, µV
14-(2). Influence of adjacent mounting
14-(3). Influence of adjacent mounting
Tested sample: TXS2-4.5V, 6 pcs.
Tested sample: TXS2-4.5V, 6 pcs.
Tested sample: TXS2-4.5V, 6 pcs.
ON
10
5
Pick-up voltage
ON
Drop-out voltage
Rate of change, %
Rate of change, %
0
OFF OFF
–5
OFF
–15
ON
10
ON
5
Pick-up voltage
ON
0
Drop-out voltage
0
–5
–15
2 4 6 8 10 12 14 16
.079 .157 .236 .315 .394 .472 .551 .630
Inter-relay distance R, mm inch
ON
10
ON
5
Pick-up voltage
ON
ON
Drop-out voltage OFF
–5
OFF
–10
OFF
OFF
0
15
0
OFF
–10
–10
Rate of change, %
ON
15
Rate of change, %
15
Rate of change, %
Rate of change, %
14-(1). Influence of adjacent mounting
–15
2 4 6 8 10 12 14 16
.079 .157 .236 .315 .394 .472 .551 .630
Inter-relay distance R, mm inch
OFF
0
OFF
2 4 6 8 10 12 14 16
.079 .157 .236 .315 .394 .472 .551 .630
Inter-relay distance R, mm inch
15. Pulse dialing test
0.08
µF
DC48V
–
458Ω
0.08
µF
458Ω
Wire spring relay
4
3
Ratio against the rated voltage, %V
+
Change of pick-up and drop-out voltage
100
90
90
80
Pick-up voltage
Max.
Min.
70
60
50
40
Drop-out voltage
30
Max.
Min.
20
10
0
80
70
60
50
40
Max.
30
Min.
20
10
0
10
20
30
40
No. of operation, ×10
Note: Data of surface-mount type are the same as those of PC board terminal type.
For Cautions for Use, see Pages in catalog.
6
Change of contact resistance
100
Contact resistance, mΩ
Tested sample: TXS2-4.5V, 6 pcs.
(35 mA 48V DC wire spring relay load)
50
4
0
0
10
20
30
40
No. of operation, ×104
50