167
TX-S
RELAYS
SMALL POLARIZED
RELAY WITH HIGH
SENSITIVITY 50mW
TESTING
8.2
.323
7.4
.291
15
.591
8.4
.331
7.4
.291
15
.591
SA type
mm inch
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
Outstanding surge resistance
Surge withstand between open contacts:
1,500V 10
×
160
µ
s (FCC part 68)
Surge withstand between contacts and
coil:
2,500V 2
×
10
µ
s (Bellcore)
SPECIFICATIONS
Contact
Note:
❇
1This value can change due to the switching frequency, environmental conditions,
and desired reliability lev el, therefore it is recommended to chec k this with the ac-
tual load.
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) 1 A 30 V DC
Max. switching power
(resistive load) 30 W (DC)
Max. switching voltage 110 V DC
Max. switching current 1 A
Min. switching capacity
❇
1 10
µ
A 10 mV DC
Nominal
operating
power
Single side stable 50 mW (1.5 to 12 V DC)
70 mW (24 V DC)
1 coil latching 35 mW (1.5 to 12 V DC)
50 mW (24 V DC)
2 coil latching 70 mW (1.5 to 12 V DC)
150 mW (24 V DC)
Expected
life (min.
operations)
Mechanical (at 180 cpm) 5
×
10
7
Electrical
(at 20 cpm) 1 A 30 V DC
resistive 2
×
10
5
Initial insulation resistance*
1
Min. 1,000 M
Ω
(at 500 V DC)
Initial
breakdown
voltage*
2
Between open contacts 750 Vrms for 1min.
Between contact sets 1,000 Vrms for 1min.
Between contacts and coil 1,800 Vrms for 1min.
Initial surge
voltage
Between open contacts
(10
×
160
µ
s) 1,500V (FCC Part 68)
Between contacts and coil
(2
×
10
µ
s) 2,500V (Bellcore)
Operate time [Set time]*
3
(at 20
°
C)(at nominal voltage) Max. 5 ms (Approx. 3 ms)
[Max. 5 ms (Approx. 3 ms)]
Release time (without diode)
[Reset time]*
3
(at 20
°
C)(at nominal voltage) Max. 5 ms (Approx. 1.5 ms)
[Max. 5 ms (Approx. 3 ms)]
Temperature rise*
4
(at 20
°
C) Max. 50
°
C
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
10 to 55 Hz at double
amplitude of 3.3 mm
Destructive 10 to 55 Hz at double
amplitude of 5 mm
Conditions for operation,
transport and storage*
8
(Not freezing and condensing
at low temperature)
Ambient
temperature –40
°
C to +70
°
C
–40
°
F to +158
°
F
Humidity 5 to 85% R.H.
Unit weight Approx. 2 g .071 oz
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
µ
s
*
6
Half-wave pulse of sine wave: 6 ms
*
7
Detection time: 10
µ
s
*
8
Refer to 4. Conditions for oper ation, transport and storage mentioned in Cautions
for use (Page 178).
TYPICAL APPLICATIONS
• Telephone equipment
• Measuring equipment • Communications equipment
• Office Automation equipment
2SA L 3VHZEx. TXS
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, 6, 9,
12, 24 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.) TXS2SA-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(piked
from the 8/9/10/12
-pin side
––– –
ORDERING INFORMATION
TXS.fm Page 167 Wednesday, April 25, 2001 9:40 PM
TX-S
168
TYPES AND COIL DATA (at 20
°
C 68
°
F)
1) Standard PC board terminal type and self-clinching terminal type
Single side stable
1 coil latching
2 coil latching
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.
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
TXS2-1.5V TXS2-H-1.5V 1.5 1.2 0.15 33.3 45 50 2.2
TXS2-3V TXS2-H-3V 3 2.4 0.3 16.7 180 50 4.5
TXS2-4.5V TXS2-H-4.5V 4.5 3.6 0.45 11.1 405 50 6.7
TXS2-6V TXS2-H-6V 6 4.8 0.6 8.3 720 50 9
TXS2-9V TXS2-H-9V 9 7.2 0.9 5.6 1,620 50 13.5
TXS2-12V TXS2-H-12V 12 9.6 1.2 4.2 2,880 50 18
TXS2-24V TXS2-H-24V 24 19.2 2.4 2.9 8,229 70 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
TXS2-L-1.5V TXS2-L-H-1.5V 1.5 1.2 1.2 23.3 64.3 35 2.2
TXS2-L-3V TXS2-L-H-3V 3 2.4 2.4 11.7 257 35 4.5
TXS2-L-4.5V TXS2-L-H-4.5V 4.5 3.6 3.6 7.8 579 35 6.7
TXS2-L-6V TXS2-L-H-6V 6 4.8 4.8 5.8 1,029 35 9
TXS2-L-9V TXS2-L-H-9V 9 7.2 7.2 3.9 2,314 35 13.5
TXS2-L-12V TXS2-L-H-12V 12 9.6 9.6 2.9 4,114 35 18
TXS2-L-24V TXS2-L-H-24V 24 19.2 19.2 2.1 11,520 50 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
TXS2-L2-1.5V TXS2-L2-H-1.5V 1.5 1.2 1.2 46.7 32.1 70 2.2
TXS2-L2-3V TXS2-L2-H-3V 3 2.4 2.4 23.3 129 70 4.5
TXS2-L2-4.5V TXS2-L2-H-4.5V 4.5 3.6 3.6 15.6 289 70 6.7
TXS2-L2-6V TXS2-L2-H-6V 6 4.8 4.8 11.7 514 70 9
TXS2-L2-9V TXS2-L2-H-9V 9 7.2 7.2 7.8 1,157 70 13.5
TXS2-L2-12V TXS2-L2-H-12V 12 9.6 9.6 5.8 2,057 70 18
TXS2-L2-24V TXS2-L2-H-24V 24 19.2 19.2 6.3 3,840 150 36
2) Surface-mount terminal type
Single side stable
Part No. Nominal
voltage,
V DC Pick-up v oltage,
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
TXS2S
❍
-1.5 V 1.5 1.2 0.15 33.3 45 50 2.2
TXS2S
❍
-3 V 3 2.4 0.3 16.7 180 50 4.5
TXS2S
❍
-4.5 V 4.5 3.6 0.45 11.1 405 50 6.7
TXS2S
❍
-6 V 6 4.8 0.6 8.3 720 50 9
TXS2S
❍
-9 V 9 7.2 0.9 5.6 1,620 50 13.5
TXS2S
❍
-12 V 12 9.6 1.2 4.2 2,880 50 18
TXS2S
❍
-24 V 24 19.2 2.4 2.9 8,229 70 36
TXS.fm Page 168 Wednesday, April 25, 2001 9:40 PM
TX-S
169
1 coil latching
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.) • TXS2SA-3V-X • TXS2SA-L-3V-Z
Picked from the 1/3/4/5-pin side Picked from the 8/9/10/12-pin side
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
TXS2S
❍
-L-1.5 V 1.5 1.2 1.2 23.3 64.3 35 2.2
TXS2S
❍
-L-3 V 3 2.4 2.4 11.7 257 35 4.5
TXS2S
❍
-L-4.5 V 4.5 3.6 3.6 7.8 579 35 6.7
TXS2S
❍
-L-6 V 6 4.8 4.8 5.8 1,029 35 9
TXS2S
❍
-L-9 V 9 7.2 7.2 3.9 2,314 35 13.5
TXS2S
❍
-L-12 V 12 9.6 9.6 2.9 4,114 35 18
TXS2S
❍
-L-24 V 24 19.2 19.2 2.1 11,520 50 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
TXS2S
❍
-L2-1.5 V 1.5 1.2 1.2 46.7 32.1 70 2.2
TXS2S
❍
-L2-3 V 3 2.4 2.4 23.3 129 70 4.5
TXS2S
❍
-L2-4.5 V 4.5 3.6 3.6 15.6 289 70 6.7
TXS2S
❍
-L2-6 V 6 4.8 4.8 11.7 514 70 9
TXS2S
❍
-L2-9 V 9 7.2 7.2 7.8 1,157 70 13.5
TXS2S
❍
-L2-12 V 12 9.6 9.6 5.8 2,057 70 18
TXS2S
❍
-L2-24 V 24 19.2 19.2 6.3 3,840 150 36
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
mm inch
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
+
–
Dirrection indication*
12 10 9 8
1 3 4 5
+
–
TXS.fm Page 169 Wednesday, April 25, 2001 9:40 PM
TX-S
170
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
mm inch
Suggested mounting pad
(Top view)
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
Tolerance:
±
0.1
±
.004
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
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)
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
Tolerance:
±
0.1
±
.004
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
TXS.fm Page 170 Wednesday, April 25, 2001 9:40 PM
TX-S
171
REFERENCE DATA
1. Maximum switching capacity 2. Life curve 3. Mechanical life
Tested sample: TXS2-4.5V, 10 pcs.
Operating frequency: 180 cpm
30 100 200
1.0
0.5
0.4
0.3
0.2
Contact current, A
DC resistive load
Contact voltage, V 0 0.5 1.0
100
10
Switching current, A
No. of operations ×104
30V DC
resistive load
0
10
100 5,0001,00010
20
30
40
50
60
70
80
90
100
Min.
No. of operations, ×104
Ratio against the rated voltage, %V
Pick-up voltage
Drop-out voltage
Max.
Min.
Max.
4. Electrical life (1 A 30 V DC resistive load)
Tested sample: TXS2-4.5V, 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: TXS2-4.5V, 6 pcs.
Point measured: Inside the coil
Ambient temperature: 25
°
C 77
°
F, 70
°
C 158
°
F
2005
Max.
Min.
Min.
0
10
20
30
40
50
60
70
80
90
100
10 15
Max.
No. of operations, ×104
Ratio against the reted voltage, %V
Pick-up voltage
Drop-out voltage
2005
Min.
0
10
20
30
40
50
60
70
80
90
100
10 15
Max.
No. of operations, ×104
Contact resistance, mΩ
10
30
10090 120 150 160
0
20
110 130 140
1A
1A
0A
0A
Coil applied voltage, %V
Temperature rise, °C
+25°C +77°F :x
+70°C +158°F :x
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
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.
10
30
10090 120 150 160
0
20
110 130 140
1A
1A
0A
0A
Coil applied voltage, %V
Temperature rise, °C
+25°C +77°F :x
+70°C +158°F :x
1
4
3
2
6
7
80 100 120
0
5
90 110
Max.
Max.
Min.
Min.
Coil applied voltage, %V
Operate and release time, ms
Operate time
Release time
1
4
3
2
6
7
80 100 120
0
5
90 110
Max.
Max.
Min.
Min.
Operate time
Release time
Coil applied voltage, %V
Operate and release time, ms
7. Distribution of pick-up and drop-out voltage
Tested sample: TXS2-4.5V, 50 pcs.
8. Distribution of set and reset voltage
Tested sample: TXS2-4.5V 30 pcs.
9. Ambient temperature characteristics
Tested sample: TXS2-4.5V 5 pcs.
0
50
45
40
35
30
25
20
15
10
5
0 20 40 60 80 100
Ratio against the rated voltage, %V
Quantity
Drop-out voltage
Pick-up voltage
0
10
15
20
0 20 40 60 80 100
5
Ratio against the rated voltage, %V
Quantity
Set voltage
Reset voltage
–30
30
20
10
–20
–40 –20 020
x
x
–10
40 60 80
Ambient
temperature, °C
Rate of change, %
Drop-out
voltage
Pick-up voltage
TXS.fm Page 171 Wednesday, April 25, 2001 9:40 PM
TX-S
172
10. Distribution of contact resistance
Tested sample: TXS2-4.5V, 50 pcs. (50x4 contacts)
11-(1). High frequency characteristics
Tested sample: TXS2-4.5V, 2 pcs.
Isolation characteristics
11-(2). High frequency characteristics
Tested sample: TXS2-4.5V, 2 pcs.
Insertion loss characteristics
50
60
80
90
100
70
0
40
30
20
20 22 24 26 28 32 34 3630 38 40 42 44 46 48 50
10
1 345
12 10 9 8
Contact resistance, mΩ
Quantity
Terminal
No. 3-4, 9-10
Terminal
No. 4-5, 8-9
(BOTTOM VIEW)
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: TXS2-4.5V, 6 pcs.
12-(2). Malfunctional shock (latching)
Tested sample: TXS2-L2-4.5V, 6 pcs.
13. Thermal electromotive force
Tested sample: TXS2-4.5V, 10 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
1000m/s2
1000m/s2
1000m/s2
1000m/s2
1000m/s2
1000m/s2
Y’
Y
XZ
Z’ X’
Y
Y’
Z’ ZXX’ Reset state
Set state
0
2
4
6
8
10
12
14
16
18
20
00.15 0.25 0.35 0.45 0.55
Thermal electromotive force, µV
Quantity
14-(1). Influence of adjacent mounting
Tested sample: TXS2-4.5V, 6 pcs.
14-(2). Influence of adjacent mounting
Tested sample: TXS2-4.5V, 6 pcs.
14-(3). Influence of adjacent mounting
Tested sample: TXS2-4.5V, 6 pcs.
–15
–10
0
–5
5
10
15
ON
ON
ON
OFF
OFF
OFF
10
.394 12
.472 14
.551 16
.630
6
.236
2
.079 4
.157 8
.315
0
Pick-up voltage
Drop-out voltage
Inter-relay distance R, mm inch
Rate of change, % Rate of change, %
–15
–10
–5
10
.394 12
.472 14
.551 16
.630
6
.236
2
.079 4
.157 8
.315
0
0
5
10
15 ON
ON
ON
OFF
OFF
OFF
Pick-up voltage
Drop-out voltage
Inter-relay distance R, mm inch
Rate of change, % Rate of change, %
5
10
0
15
Pick-up voltage
Drop-out voltage
Inter-relay distance R, mm inch
–15
–10
–5
10
.394 12
.472 14
.551 16
.630
6
.236
2
.079 4
.157 8
.315
0
Rate of change, % Rate of change, %
ON
ON
ON
OFF
OFF
OFF
ON
OFF
15. Pulse dialing test
Tested sample: TXS2-4.5V, 6 pcs.
(35 mA 48V DC wire spring relay load)
Change of pick-up and drop-out voltage Change of contact resistance
+
–
DC48V
458Ω
0.08
µF0.08
µF
458Ω
4
3
Wire spring relay
00
10
20 503010
Max.
Max.
Min.
Min.
20
30
40
50
60
70
80
90
100
40
Pick-up voltage
Drop-out voltage
No. of operation, ×104
Ratio against the rated voltage, %V
50
Max.
Min.
0
10
20
30
40
50
60
70
80
90
100
100 203040
No. of operation, ×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.
TXS.fm Page 172 Wednesday, April 25, 2001 9:40 PM
