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TX-S

Very High Sensitivity,

50 mW (nominal operating)

Relay with LT style

pin layout

3. High contact reliability

High contact reliability is achieved by

the use of gold-clad twin crossbar

contacts, low-gas formation materials,

mold sealing the coil section, and by

controlling organic gas in the coil.

*We also offer a range of products

with AgPd contacts suitable for use

in low level load analog circuits

(max. 10V DC 10 mA).

4. Outstanding surge resistance

Surge breakdown voltage between

open contacts:

1,500 V 10160

sec.

(FCC part 68)

Surge breakdown voltage between

contact and coil:

2,500 V 210

sec.

(Telcordia)

5. Low thermal electromotive force

(approx. 0.3

V)

The structure of the mold-sealed body

block of the coil section achieves

nominal operating power of 50 mW

and high sensitivity, along with low

thermal electromotive force, reduced

to approximately 0.3

V.

TX-S RELAYS

6. A range of surface-mount types is

also available.

SA: Low-profile surface-mount

terminal type

SS: Space saving surface-mount

terminal type

7. Sealed construction allows

automatic washing.

8. Sealed according to RTIII (IP67

FEATURES

1. Nominal operating power:

High sensitivity of 50 mW

By using the highly efficient polar

magnetic circuit “seesaw balance

mechanism”, a nominal operating

power of 50 mW (minimum operating

power of 32 mW) has been achieved.

2. Compact size

15.0(L)



7.4(W)



8.2(H)

.591(L)



.291(W)



.323(H)

TYPICAL APPLICATIONS

1. Communications

(XDSL, Transmission)

2. Measurement

3. Security

4. Home appliances, and audio/visual

equipment

5. Automotive equipment

6. Medical equipment

ORDERING INFORMATION

TXS 2

Contact arrangement

2: 2 Form C

Surface-mount availability

Nil: Standard PC board terminal type

SA: SA type

SS: SS type

Operating function

Nil: Single side stable

L: 1 coil latching

L2: 2 coil latching

LT: 2 coil latching

Terminal shape

Nil: Standard PC board terminal or surface-mount terminal

Nominal coil voltage (DC)

1.5, 3, 4.5, 6, 9, 12, 24V

Contact material

Nil: Standard contact (Ag+Au clad)

1: AgPd contact (low level load); AgPd+Au clad (stationary), AgPd (movable)

Packing style

Nil: Tube packing

X: Tape and reel (picked from 1/3/4/5-pin side)

Z: Tape and reel packing (picked from the 8/9/10/12-pin side)

ds_61022_en_txs: 280114D

TX-S

TYPES

1. Standard PC board terminal

Contact

arrangement

Nominal coil

voltage

1.5V DC

3V DC

2 Form C

4.5V DC

6V DC

9V DC

12V DC

24V DC

Single side stable

Part No.

TXS2-1.5V

TXS2-3V

TXS2-4.5V

TXS2-6V

TXS2-9V

TXS2-12V

TXS2-24V

1 coil latching

Part No.

TXS2-L-1.5V

TXS2-L-3V

TXS2-L-4.5V

TXS2-L-6V

TXS2-L-9V

TXS2-L-12V

TXS2-L-24V

2 coil latching (L2)

Part No.

TXS2-L2-1.5V

TXS2-L2-3V

TXS2-L2-4.5V

TXS2-L2-6V

TXS2-L2-9V

TXS2-L2-12V

TXS2-L2-24V

2 coil latching (LT)

Part No.

TXS2-LT-1.5V

TXS2-LT-3V

TXS2-LT-4.5V

TXS2-LT-6V

TXS2-LT-9V

TXS2-LT-12V

TXS2-LT-24V

Standard packing: Tube: 40 pcs.; Case: 1,000 pcs.

Note: Please add “-1” to the end of the part number for AgPd contacts (low level load).

2. Surface-mount terminal

1) Tube packing

Contact

arrangement

Nominal coil

voltage

1.5V DC

3V DC

4.5V DC

2 Form C

6V DC

9V DC

12V DC

24V DC

Single side stable

Part No.

TXS2S



-1.5V

TXS2S



-3V

TXS2S



-4.5V

TXS2S



-6V

TXS2S



-9V

TXS2S



-12V

TXS2S



-24V

1 coil latching

Part No.

TXS2S



-L-1.5V

TXS2S



-L-3V

TXS2S



-L-4.5V

TXS2S



-L-6V

TXS2S



-L-9V

TXS2S



-L-12V

TXS2S



-L-24V

2 coil latching (L2)

Part No.

TXS2S



-L2-1.5V

TXS2S



-L2-3V

TXS2S



-L2-4.5V

TXS2S



-L2-6V

TXS2S



-L2-9V

TXS2S



-L2-12V

TXS2S



-L2-24V

2 coil latching (LT)

Part No.

TXS2S



-LT-1.5V

TXS2S



-LT-3V

TXS2S



-LT-4.5V

TXS2S



-LT-6V

TXS2S



-LT-9V

TXS2S



-LT-12V

TXS2S



-LT-24V



: For each surface-mounted terminal identification, input the following letter. SA type: A, SS type: S

Standard packing: Tube: 40 pcs.; Case: 1,000 pcs.

Note: Please add “-1” to the end of the part number for AgPd contacts (low level load).

2) Tape and reel packing

Contact

arrangement

Nominal coil

voltage

1.5V DC

3V DC

4.5V DC

6V DC

9V DC

12V DC

24V DC

Single side stable

Part No.

TXS2S



-1.5V-Z

TXS2S



-3V-Z

TXS2S



-4.5V-Z

TXS2S



-6V-Z

TXS2S



-9V-Z

TXS2S



-12V-Z

TXS2S



-24V-Z

1 coil latching

Part No.

TXS2S



-L-1.5V-Z

TXS2S



-L-3V-Z

TXS2S



-L-4.5V-Z

TXS2S



-L-6V-Z

TXS2S



-L-9V-Z

TXS2S



-L-12V-Z

TXS2S



-L-24V-Z

2 coil latching (L2)

Part No.

TXS2S



-L2-1.5V-Z

TXS2S



-L2-3V-Z

TXS2S



-L2-4.5V-Z

TXS2S



-L2-6V-Z

TXS2S



-L2-9V-Z

TXS2S



-L2-12V-Z

TXS2S



-L2-24V-Z

2 coil latching (LT)

Part No.

TXS2S



-LT-1.5V-Z

TXS2S



-LT-3V-Z

TXS2S



-LT-4.5V-Z

TXS2S



-LT-6V-Z

TXS2S



-LT-9V-Z

TXS2S



-LT-12V-Z

TXS2S



-LT-24V-Z

2 Form C



: For each surface-mounted terminal identification, input the following letter. SA type: A, SS type: S

Standard packing: Tape and reel: 500 pcs.; Case: 1,000 pcs.

Notes: 1. Tape and reel packing symbol “-Z” is not marked on the relay. “X” type tape and reel packing (picked from 1/2/3/4-pin side) is also available.

2. Please add “-1” to the end of the part number for AgPd contacts (low level load). (Ex. TXS2SA-1.5V-1-Z)

RATING

1. Coil data

1) Single side stable

Nominal coil

voltage

1.5V DC

3V DC

4.5V DC

6V DC

9V DC

12V DC

24V DC

80%V or less of

nominal voltage*

(Initial)

10%V or more of

nominal voltage*

(Initial)

Pick-up voltage

(at 20C

68F)

Drop-out voltage

(at 20C

68F)

Nominal operating

current

[10%] (at 20C

68F)

33.3mA

16.7mA

11.1mA

8.3mA

5.6mA

4.2mA

2.9mA

Coil resistance

[10%] (at 20C

68F)

45

180

405

720

1,620

2,880

8,229

Nominal operating

power

Max. applied voltage

(at 20C

68F)

50mW

150%V of

nominal voltage

70mW

2) 1 coil latching

Nominal coil

voltage

1.5V DC

3V DC

4.5V DC

6V DC

9V DC

12V DC

24V DC

80%V or less of

nominal voltage*

(Initial)

80%V or less of

nominal voltage*

(Initial)

Set voltage

(at 20C

68F)

Reset voltage

(at 20C

68F)

Nominal operating

current

[10%] (at 20C

68F)

23.3mA

11.7mA

7.8mA

5.8mA

3.9mA

2.9mA

2.1mA

Coil resistance

[10%] (at 20C

68F)

64.3

257

579

1,029

2,314

4,114

11,520

Nominal operating

power

Max. applied voltage

(at 20C

68F)

35mW

150%V of

nominal voltage

50mW

ds_61022_en_txs: 280114D

TX-S

3) 2 coil latching (L2, LT)

Nominal coil

voltage

1.5V DC

3V DC

4.5V DC

6V DC

9V DC

12V DC

24V DC

*Pulse drive (JIS C 5442-1986)

80%V or less of

nominal voltage*

(Initial)

80%V or less of

nominal voltage*

(Initial)

Set voltage

(at 20C

68F)

Reset voltage

(at 20C

68F)

Nominal operating

current

[10%] (at 20C

68F)

Set coil

Reset coil

46.7mA

23.3mA

15.6mA

11.7mA

7.8mA

5.8mA

6.3mA

46.7mA

23.3mA

15.6mA

11.7mA

7.8mA

5.8mA

6.3mA

Coil resistance

[10%] (at 20C

68F)

Set coil

32.1

129

289

514

1,157

2,057

3,840

Reset coil

32.1

129

289

514

1,157

2,057

3,840

150mW

Nominal operating

power

Set coil

Reset coil

Max. applied voltage

(at 20C

68F)

70mW

150%V of

nominal voltage

2. Specifications

Characteristics

Arrangement

Contact

Initial contact resistance, max.

Contact material

Nominal switching capacity

Max. switching power

Max. switching voltage

Rating

Max. switching current

Min. switching capacity (Reference value)

Nominal operating

power

Single side stable

1 coil latching

2 coil latching

Insulation resistance (Initial)

Breakdown voltage

(Initial)

Electrical

characteristics

Surge breakdown

voltage (Initial)

Between open contacts

Between contact and coil

Between contact sets

Between open contacts

Between contacts and coil

Item

2 Form C

Max. 100 m (By voltage drop 6 V DC 1A)

Standard contact: Ag+Au clad, AgPd contact (low level load): AgPd+Au clad (stationary),

AgPd (movable)

1 A 30 V DC (resistive load)

30 W (DC) (resistive load)

110V DC

10A 10mV 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)

Min. 1,000M (at 500V DC)

Measurement at same location as “Initial breakdown voltage” section.

750 Vrms for 1min. (Detection current: 10mA)

1,800 Vrms for 1min. (Detection current: 10mA)

1,000 Vrms for 1min. (Detection current: 10mA)

1,500 V (10160s) (FCC Part 68)

2,500 V (210s) (Telcordia)

Max. 50C

(By resistive method, nominal coil voltage applied to the coil; contact carrying current: 1A.)

Max. 5 ms [Max. 5 ms] (Nominal coil voltage applied to the coil, excluding contact bounce

time.)

Max. 5 ms [Max. 5 ms] (Nominal coil voltage applied to the coil, excluding contact bounce

time.) (without diode)

Min. 750 m/s

(Half-wave pulse of sine wave: 6 ms; detection time: 10s.)

Min. 1,000 m/s

(Half-wave pulse of sine wave: 6 ms.)

10 to 55 Hz at double amplitude of 3.3 mm (Detection time: 10s.)

10 to 55 Hz at double amplitude of 5 mm

Min. 510

(at 180 times/min.)

Min. 210

(1 A 30 V DC resistive) (at 20 times/min.)

Ambient temperature: –40C to +70C

–40F to +158F;

Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)

20 times/min.

Approx. 2 g

.071 oz

Specifications

Temperature rise (at 20C

68F)

Operate time [Set time] (at 20C

68F)

Release time [Reset time] (at 20C

68F)

Shock resistance

Mechanical

characteristics

Functional

Destructive

Functional

Vibration resistance

Destructive

Mechanical

Electrical

Conditions for operation, transport and storage

Max. operating speed (at rated load)

Unit weight

Expected life

Conditions

This 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. (AgPd contact type is available for low level load switching [10V DC, 10mA max. level].)

Refer to “6. Usage, Storage and Transport Conditions“ in

AMBIENT ENVIRONMENT section in Relay Technical Information.

ds_61022_en_txs: 280114D

TX-S

REFERENCE DATA

1. Maximum switching capacity

2. Life curve

3. Mechanical life

Tested sample: TXS2-4.5V, 10 pcs.

Operating speed: 180 times/min.

Ratio against the rated voltage, %V

100

200

Contact voltage, V

0.5

1.0

Switching current, A

100

1,000 5,000

No. of operations,

×10

Drop-out voltage

Max.

Min.

Pick-up voltage

Max.

Min.

No. of operations x10

Contact current, A

DC resistive load

(cos

= 1)

1.0

100

30V DC

resistive load

0.5

0.4

0.3

0.2

4. Electrical life (1 A 30 V DC resistive load)

Tested sample: TXS2-4.5V, 6 pcs.

Operating speed: 20 times/min.

5-(1). Coil temperature rise

Change of contact resistance

100

Contact resistance, mΩ

Min.

Max.

Temperature rise, °C

Change of pick-up and drop-out voltage

Ratio against the rated voltage, %V

100

Tested sample: TXS2-4.5V, 6 pcs.

Point measured: Inside the coil

Ambient temperature: 25C

77F,

70C

158F

Room temperature :x

+70°C

+158°F

Pick-up voltage

Max.

Min.

Drop-out voltage

Max.

Min.

100 110

120

130

140 150 160

No. of operations,

×10

No. of operations,

×10

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

Room temperature :x

+70°C

+158°F

Temperature rise,

°C

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.

Operate and release time, ms

Max.

Min.

Max.

Min.

Operate time

Release time

Max.

Min.

Max.

Min.

Operate time

Release time

90 100 110

120

130

140 150

160

Coil applied voltage, %V

110 120

100

Coil applied voltage, %V

100

110

120

Coil applied voltage, %V

7. Ambient temperature characteristics

Tested sample: TXS2-4.5V, 5 pcs.

8-(1). High frequency characteristics

(Isolation)

Tested sample: TXS2-4.5V, 2 pcs.

8-(2). High frequency characteristics

(Insertion loss)

Tested sample: TXS2-4.5V, 2 pcs.

Rate of change, %

Isolation, dB

Drop-out

voltage

100

Insertion loss, dB

100

Frequency, MHz

1,000

Pick-up voltage

20 40 60 80

Ambient

–10 temperature,

°C

–20

–30

1.0

0.8

0.6

0.4

0.2

100

Frequency, MHz

1,000

–40 –20

ds_61022_en_txs: 280114D

TX-S

9-(1). Malfunctional shock (single side stable)

Tested sample: TXS2-4.5V, 6 pcs.

Z’

Y’

X’

9-(2). Malfunctional shock (latching)

Tested sample: TXS2-L2-4.5V, 6 pcs.

Z’

Y’

X’

10. Thermal electromotive force

Tested sample: TXS2-4.5V, 6 pcs.

x = 0.30

1000m/s

Deenergized condition

Energized condition

1000m/s

Reset state

Set state

1000m/s

Quantity

1000m/s

0.15

0.25

0.35

0.45

0.55

1000m/s

Z’

1000m/s

X’

1000m/s

Y’

1000m/s

Z’

1000m/s

X’

1000m/s

Y’

Thermal electromotive force,

μV

11-(1). Influence of adjacent mounting

Tested sample: TXS2-4.5V, 6 pcs.

Rate of change, %

Pick-up voltage

Rate of change, %

11-(2). Influence of adjacent mounting

Tested sample: TXS2-4.5V, 6 pcs.

Rate of change, %

Pick-up voltage

Drop-out voltage

–5

OFF

2 4 6 8 10 12 14 16

.079 .157 .236 .315 .394 .472 .551 .630

Inter-relay distance , mm

inch

OFF

11-(3). Influence of adjacent mounting

Tested sample: TXS2-4.5V, 6 pcs.

Rate of change, %

Drop-out voltage OFF

–5

OFF

2 4 6 8 10 12 14 16

.079 .157 .236 .315 .394 .472 .551 .630

Inter-relay distance , mm

inch

Pick-up voltage

Drop-out voltage

–5

OFF OFF

Rate of change, %

–10

OFF

2 4 6 8 10 12 14 16

.079 .157 .236 .315 .394 .472 .551 .630

Inter-relay distance , mm

inch

–15

–10

–15

–10

–15

12. Pulse dialing test

(35 mA 48V DC wire spring relay load)

Tested sample: TXS2-4.5V, 6 pcs.

Change of pick-up and drop-out voltage

Ratio against the rated voltage, %V

100

Drop-out voltage

Max.

Min.

Change of contact resistance

100

Contact resistance, mΩ

Max.

Min.

Pick-up voltage

Max.

Min.

0.08

μF

DC48V

458Ω

0.08

μF

–

458Ω

Wire spring relay

No. of operation,

×10

No. of operation,

×10

Note: Data of surface-mount type are the same as those of PC board terminal type.

ds_61022_en_txs: 280114D