TESTING
SMALL POLARIZED
RELAY WITH HIGH
SENSITIVITY 50mW
TX-S
RELAYS
7.4
.291
FEATURES
15
.591
High sensitivity
Outstanding surge resistance
7.4
.291
8.2
.323
15
.591
• 50mW nominal operating power
(single side stable 1.5-12V)
• Useful for electric-power-saving
Surge withstand between open contacts:
1,500V 10×160µs (FCC part 68)
Surge withstand between contacts and
coil:
8.4
.331
Approx. 0.3µV low thermal electromo-
tive force
SA type
mm inch
2,500V 2×10µs (Bellcore)
SPECIFICATIONS
Contact
Characteristics
Arrangement
2 Form C
100 mΩ
Initial insulation resistance*1
Min. 1,000 MΩ (at 500 V DC)
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A )
Between open contacts
750 Vrms for 1min.
1,000 Vrms for 1min.
1,800 Vrms for 1min.
Initial
breakdown Between contact sets
Contact material
Gold-clad silver alloy
1 A 30 V DC
voltage*2
Between contacts and coil
Nominal switching capacity
(resistive load)
Between open contacts
1,500V (FCC Part 68)
2,500V (Bellcore)
(10 × 160µs)
Initial surge
voltage
Max. switching power
(resistive load)
Between contacts and coil
30 W (DC)
Rating
(2 × 10 µs)
Max. switching voltage
Max. switching current
110 V DC
1 A
Operate time [Set time]*3
(at 20°C)(at nominal voltage)
Max. 5 ms (Approx. 3 ms)
[Max. 5 ms (Approx. 3 ms)]
Min. switching capacity ❇1
10 µA 10 mV DC
Release time (without diode)
[Reset time]*3
(at 20°C)(at nominal voltage)
Temperature rise*4 (at 20°C)
Max. 5 ms (Approx. 1.5 ms)
[Max. 5 ms (Approx. 3 ms)]
50 mW (1.5 to 12 V DC)
70 mW (24 V DC)
Single side stable
Nominal
operating
power
Max. 50°C
35 mW (1.5 to 12 V DC)
50 mW (24 V DC)
1 coil latching
Functional*5
Destructive*6
Min. 750 m/s2 {75 G}
Min. 1,000 m/s2 {100 G}
Shock resistance
70 mW (1.5 to 12 V DC)
150 mW (24 V DC)
2 coil latching
10 to 55 Hz at double
amplitude of 3.3 mm
Functional*7
Mechanical (at 180 cpm)
5×107
Expected
life (min.
operations)
Vibration resistance
Electrical
1 A 30 V DC
10 to 55 Hz at double
amplitude of 5 mm
2×105
Destructive
(at 20 cpm) resistive
Conditions for operation, Ambient
–40°C to +70°C
–40°F to +158°F
Note:
transport and storage*8
(Not freezing and condensing
at low temperature)
temperature
❇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.
Humidity
5 to 85% R.H.
Remarks
Unit weight
Approx. 2 g .071 oz
* Specifications will vary with foreign standards certification ratings.
*1 Measurement at same location as "Initial breakdown voltage" section.
*2 Detection current: 10mA
*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).
*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
TYPICAL APPLICATIONS
• Telephone equipment
• Communications equipment
• Office Automation equipment
• Measuring equipment
ORDERING INFORMATION
Ex. TXS
2
SA
L
H
3V
Z
–
–
–
–
Contact arrangement
2: 2 Form C
Surface-mount availability
Operating function Terminal shape Coil voltage (DC)
Packing style
Nil: Standard PC board terminal type or
Nil: self-clinching terminal type
Nil: Single side
Nil: stable
Nil: Standard PC 1.5, 3, 4.5, 6, 9, Nil: Tube packing
board terminal or
surface-mount
terminal
12, 24 V
Z: Tape and reel
packing(piked
from the 8/9/10/12
-pin side
SA: Standard surface-mount terminal type
SL: High connection reliability surface-mount
SL: terminal type
L: 1 coil latching
L2: 2 coil latching
H: Self-clinching
terminal
SS: Space saving surface-mount terminal type
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
