TESTING
HIGH INSULATION RELAYS
(Conforming to the supplementary
insulation class of EN Standards
(EN41003))
7.4
.291
8.2
.323
15
.591
7.4
.291
8.4
.333
TX-D
RELAYS
• Surface-mount type also available.
• M.B.B. type also available
• The use of gold-clad twin crossbar
contacts ensures high contact reliabil-
ity.
• Outstanding vibration and shock re-
sistance.
Functional shock resistance:
750 m/s
2
{75G}
Destructive shock resistance:
1,000 m/s
2
{100G}
Functional vibration resistance:
10 to 55 Hz (at double amplitude of 3.3
mm
.130 inch)
Destructive vibration resistance:
10 to 55 Hz (at double amplitude of 5 mm
.197 inch)
• Sealed construction allows automatic
washing.
15
.591
mm
inch
FEATURES
• Approved to the supplementary insu-
lation class in the EN standards
(EN41003).
The insulation distance between the con-
tact and coil meet the supplementary in-
sulation class of the EN41003 standards
as required for equipment connected to
the telephone lines in Europe.
Satisfies the following conditions:
• Clearances: 2.0 mm
.079 inch
or more
• Creepage distance: 2.5 mm
.098 inch
or
more
• 2,000 V breakdown voltage between
contact and coil.
The body block construction of the coil
that is molded by plastic offers a high
breakdown voltage of 2,000 V between
contact and coil, and 1,000 V between
open contacts.
• Outstanding surge resistance.
Surge withstand between open contacts:
1,500 V 10
×
160
µ
sec. (FCC part 68)
Surge withstand between contact and
coil: 2,500 V 2
×
10
µ
sec. (Bellcore)
• High sensitivity 200 mW.
• High contact capacity: 2 A 30 V DC
(Standard type)
Characteristics
SPECIFICATIONS
Contact
Standard (B.B.M)
type
2 Form C
100 m
Ω
Gold-clad silver
2 A 30 V DC
60 W
1 A 30 V DC
30 W
M.B.B.type
2 Form D
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)
Max. switching voltage
Max. switching current
Min. switching capacity
f
1
Rating
Single side
stable
Nominal oper-
ating power
1 coil
latching
Mechanical (at 180 cpm)
Expected
life (min.
operations) Electrical (at 20 cpm)
Initial insulation resistance*
Between open
contacts
Initial
break-
Between contact
down
and coil
voltage*
2
Between contact
sets
Between con-
Initial
tacts, 10
×
160
µ
s
surge
Between contact
voltage
and coil, 2
×
10
µ
s
Temperature rise (at 20
°
C)
1
Standard (B.B.M) type
M.B.B.type
Min. 1,000 M
Ω
(at 500 V DC)
1,000 Vrms for 1 min.
500 Vrms for 1 min.
2,000 Vrms for 1 min.
1,000 Vrms for 1 min.
1,500 V
[FCC Part 68]
2,500 V [Bellcore]
Max. 50
°
C*
4
Max. 50
°
C*
3
Max. 4 ms
(Approx. 2 ms)
Max. 4 ms
[Max. 4 ms
(Approx. 2 ms)
(Approx. 2 ms)]
Max. 4 ms
(Approx. 1 ms)
Max. 4 ms
[Max. 4 ms
(Approx. 1 ms)
(Approx. 2 ms)]
—
Min. 10
µ
s
Min. 750 m/s
2
{75 G}*
7
Min. 500 m/s
2
{50 G}*
8
Min. 1,000 m/s
2
{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 +85
°
C
–40
°
F to +185
°
F
5 to 85%R.H.
Approx. 2 g .071
oz.
–
220 V DC
110 V DC
2A
1A
10
µ
A 10 mV DC
200 mW
250 mW
(1.5 to 12 V DC)
(1.5 to 12 V DC)
230 mW
270 mW
(24 V DC)
(24 V DC)
150 mW
(1.5 to 12 V DC)
—
170 mW
(24 V DC)
10
7
10
8
5
(2 A 30 V DC
10
resistive),
10
5
(1 A 30 V DC
5
(1 A 30 V
5
×
10
resistive)
DC resistive)
Operate time [Set time]*
5
(at 20
°
C)
Release time [Reset time]*
6
(at 20
°
C)
M.B.B. time*
12
Functional
Destructive*
9
Functional*
10
Vibration
resistance
Destructive
Conditions for opera-
Ambient
tion, transport and
temp.
f
2
storage*
11
(Not freez-
ing and condensing
Humidity
at low temperature)
Unit weight
Shock
resistance
*
12
M.B.B. time:
Notes:
f
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.
f
2The upper limit for the ambient temperature is the maximum temperature that
can satisfy the coil temperature rise. Under the packing condition, allowable tem-
perature range is from –40 to +70°C
–40°C to +158°F.
Remarks
*
*
1
*
2
*
3
*
4
*
5
*
6
*
7
*
8
*
9
*
10
*
11
Specifications will vary with foreign standards certification ratings.
Measurement at same location as "Initial breakdown voltage" section.
Detection current: 10 mA
By resistive method; nominal voltage applied to the coil; contact carrying current: 2 A.
By resistive method; nominal voltage applied to the coil; contact carrying current: 1 A.
Nominal voltage applied to the coil, excluding contact bounce time.
Nominal voltage applied to the coil, excluding contact bounce time without diode.
Half-wave pulse of sine wave: 6 ms.; detection time: 10
µ
s.
Half-wave pulse of sine wave: 11 ms.; detection time: 10
µ
s.
Half-wave pulse of sine wave: 6 ms.
Detection time: 10
µ
s.
Refer to 4. Conditions for operation, transport and storage mentioned in Cautions
for use (Page 178).
Min. 10
µs
×
Measuring
condition
500
Ω
5 V DC
160
TX-D
TYPICAL APPLICATIONS
• Facsimiles
• Modems
• Communication devices
ORDERING INFORMATION
1) Standard (B.B.M.)type
Ex. TXD
2
SA
–
L
–
–
4.5V
–
Z
Contact
arrangement
2: 2 Form C
Surface-mount availability
Operating function
Terminal shape
Nil: Standard PC
board terminal
or surface-
mount type
H: Self-clinching
terminal
Coil voltage
(DC)
1.5, 3, 4.5, 5,
6, 9, 12, 24 V
Packing style
Nil: Tube packing
Z: Tape and reel packing
(Picked from the 8/9/
10/12-pin side)
Nil: Standard PC board terminal or
Nil: Single side
self-clinching terminal
stable
SA: Standard surface-mount terminal
L: 1 coil latching
SL: High connection reliability surface-mount
terminal type
SS: Space saving surface-mount terminal type
2) M.B.B.type
Ex. TXD
2
SA
–
2M
–
–
4.5V
–
Z
Contact
arrangement
2: 2 Form D
Surface-mount availability
Operating function
Terminal shape
Coil voltage
(DC)
1.5, 3, 4.5, 5,
6, 9, 12, 24 V
Packing style
Nil: Tube packing
Z: Tape and reel packing
(Picked from the 8/9/
10/12-pin side)
Nil: Standard PC board terminal or
2M: 2 M.B.B. type Nil: Standard PC
self-clinching terminal
board terminal
SA: Standard surface-mount terminal
or surface-
SL: High connection reliability surface-mount
mount type
terminal type
H: Self- clinching
SS: Space saving surface-mount terminal type
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.) TXD2SA-3V-X
2. Tape and reel packing symbol “-Z” or “-X” are not marked on the relay.
Surface-mount terminal variation
Variation
Terminal style
0.25
.010
5.08
.200
9.4
±0.5
.370
±.020
Usable conditions based on terminal connection solder reliability
Normal environments (indoor)
Drastic temperature fluctuations (outdoor)
SA type
(Standard surface-mount terminal type)
8.4
.331
Recommended
—
SL type
(Highly connection reliability surface-
mount terminal type)
Max.
10.0
.394
5.08
.200
9.4
±0.5
.370
±.020
0.25
.010
Recommended
Recommended
SS type
(Space saving surface-mount terminal
type)
Max.
10.0
.394
5.08
.200
7.4
±.020
.291
±0.5
0.25
.010
Recommended
Recommended
OPERATION INFORMATION
Contact Operation
Open
During Operation
Operation Complete
During Reset
Reset Complete
M.B.B. contact
operation
N.C.
COM
N.O.
N.C.
COM
N.O.
N.C.
COM
N.O.
N.C.
COM
N.O.
N.C.
COM
N.O.
Standard
(B.B.M.) contact
operation
N.C.
COM
N.O.
N.C.
COM
N.O.
N.C.
COM
N.O.
N.C.
COM
N.O.
N.C.
COM
N.O.
161
TX-D
TYPES AND COIL DATA (at 20
°
C
68
°
F)
1. Standard (B.B.M.) type
(1) Standard PC board terminal and self-clinching terminal
1. Single side stable
Coil
Rating,
V DC
1.5
3
4.5
5
6
9
12
24
Part No. V DC
Standard PC board
terminal
TXD2-1.5V
TXD2-3V
TXD2-4.5V
TXD2-5V
TXD2-6V
TXD2-9V
TXD2-12V
TXD2-24V
Self-clinching
terminal
TXD2-H-1.5V
TXD2-H-3V
TXD2-H-4.5V
TXD2-H-5V
TXD2-H-6V
TXD2-H-9V
TXD2-H-12V
TXD2-H-24V
Pick-up
voltage,
V DC (max.)
(initial)
1.13
2.25
3.38
3.75
4.5
6.75
9
18
Drop-out
voltage,
V DC (min.)
(initial)
0.15
0.3
0.45
0.5
0.6
0.9
1.2
2.4
Nominal
operating
current,
mA (
±
10%)
132.7
66.7
44.4
40.0
33.3
22.2
16.7
9.6
Coil
resistance,
Ω
(
±
10%)
11
45
101
125
180
405
720
2,504
Nominal
operating
power,
mW
200
200
200
200
200
200
200
230
Max.
allowable
voltage,
V DC
1.8
3.6
5.4
6
7.2
10.8
14.4
28.8
2. 1 coil latching
Coil
Rating,
V DC
1.5
3
4.5
5
6
9
12
24
Part No.
Standard PC board
terminal
TXD2-L-1.5V
TXD2-L-3V
TXD2-L-4.5V
TXD2-L-5V
TXD2-L-6V
TXD2-L-9V
TXD2-L-12V
TXD2-L-24V
Self-clinching
terminal
TXD2-L-H-1.5V
TXD2-L-H-3V
TXD2-L-H-4.5V
TXD2-L-H-5V
TXD2-L-H-6V
TXD2-L-H-9V
TXD2-L-H-12V
TXD2-L-H-24V
Set voltage,
V DC (max.)
(initial)
1.13
2.25
3.38
3.75
4.5
6.75
9
18
Reset
voltage,
V DC (max.)
(initial)
1.13
2.25
3.38
3.75
4.5
6.75
9
18
Nominal
operating
current,
mA (
±
10%)
100.0
50.0
33.3
30.0
25.0
16.7
12.5
7.1
Coil
resistance,
Ω
(
±
10%)
15
60
135
166
240
540
960
3,388
Nominal
operating
power,
mW
150
150
150
150
150
150
150
170
Max.
allowable
voltage,
V DC
1.8
3.6
5.4
6
7.2
10.8
14.4
28.8
Standard packing: 40 pcs. in an inner package (tube); 1,000 pcs. in an outer package.
Note: In case of 5 V transistor drive circuit, it is recommended to use 4.5 V type relay.
(2) Surface-mount terminal
1. Single side stable
Coil
Rating,
V DC
1.5
3
4.5
5
6
9
12
24
Part No.
Tube packing
TXD2S
r
-1.5V
TXD2S
r
-3V
TXD2S
r
-4.5V
TXD2S
r
-5V
TXD2S
r
-6V
TXD2S
r
-9V
TXD2S
r
-12V
TXD2S
r
-24V
Tape and reel
packing
TXD2S
r
-1.5V-Z
TXD2S
r
-3V-Z
TXD2S
r
-4.5V-Z
TXD2S
r
-5V-Z
TXD2S
r
-6V-Z
TXD2S
r
-9V-Z
TXD2S
r
-12V-Z
TXD2S
r
-24V-Z
Pick-up
voltage,
V DC (max.)
(initial)
1.13
2.25
3.38
3.75
4.5
6.75
9
18
Drop-out
voltage,
V DC (min.)
(initial)
0.15
0.3
0.45
0.5
0.6
0.9
1.2
2.4
Nominal
operating
current,
mA (
±
10%)
132.7
66.7
44.4
40.0
33.3
22.2
16.7
9.6
Coil
resistance,
Ω
(
±
10%)
11
45
101
125
180
405
720
2,504
Nominal
operating
power,
mW
200
200
200
200
200
200
200
230
Max.
allowable
voltage,
V DC
1.8
3.6
5.4
6
7.2
10.8
14.4
28.8
2. 1 coil latching
Coil
Rating,
V DC
1.5
3
4.5
5
6
9
12
24
Part No.
Tube packing
TXD2S
r
-L-1.5V
TXD2S
r
-L-3V
TXD2S
r
-L-4.5V
TXD2S
r
-L-5V
TXD2S
r-L-6V
TXD2Sr-L-9V
TXD2Sr-L-12V
TXD2Sr-L-24V
Tape and reel
packing
TXD2S
r
-L-1.5V-Z
TXD2S
r
-L-3V-Z
TXD2S
r
-L-4.5V-Z
TXD2S
r
-L-5V-Z
TXD2Sr-L-6V-Z
TXD2Sr-L-9V-Z
TXD2Sr-L-12V-Z
TXD2Sr-L-24V-Z
Set voltage,
V DC (max.)
(initial)
1.13
2.25
3.38
3.75
4.5
6.75
9
18
Reset
voltage,
V DC (max.)
(initial)
1.13
2.25
3.38
3.75
4.5
6.75
9
18
Nominal
operating
current,
mA (
±
10%)
100.0
50.0
33.3
30.0
25.0
16.7
12.5
7.1
Coil
resistance,
Ω
(
±
10%)
15
60
135
166
240
540
960
3,388
Nominal
operating
power,
mW
150
150
150
150
150
150
150
170
Max.
allowable
voltage,
V DC
1.8
3.6
5.4
6
7.2
10.8
14.4
28.8
r
: For each surface-mounted terminal variation, input the following letter.
SA type: A , SL type: L , SS type: S
Standard packing:40 pcs. (tube), 500 pcs. (tape and reel) in an inner package; 1,000 pcs. in an outer package
Notes:
1. Tape and reel packing symbol "-Z" is not marked on the relay. "X" type tape and reel packing (picked from 1/3/4/5-pin side) is also available.
2. In case of 5 V transistor drive circuit, it is recommended to use 4.5 V type relay.
162
TX-D
2. M.B.B. Type
(1) Standard PC board terminal and self-clinching terminal
Single side stable
Coil
Rating,
V DC
1.5
3
4.5
5
6
9
12
24
Part No.
Standard PC board
terminal
TXD2-2M-1.5V
TXD2-2M-3V
TXD2-2M-4.5V
TXD2-2M-5V
TXD2-2M-6V
TXD2-2M-9V
TXD2-2M-12V
TXD2-2M-24V
Self-clinching
terminal
TXD2-2M-H-1.5V
TXD2-2M-H-3V
TXD2-2M-H-4.5V
TXD2-2M-H-5V
TXD2-2M-H-6V
TXD2-2M-H-9V
TXD2-2M-H-12V
TXD2-2M-H-24V
Pick-up
voltage,
V DC (max.)
1.13
2.25
3.38
3.75
4.5
6.75
9
18
Drop-out
voltage,
V DC (min.)
0.15
0.3
0.45
0.5
0.6
0.9
1.2
2.4
Nominal
operating
current,
mA (±10%)
166.7
83.3
55.6
50.0
41.7
27.8
20.8
11.3
Coil
resistance,
Ω
(±10%)
9
36
81
100
144
324
576
2,133
Nominal
operating
power,
mW
250
250
250
250
250
250
250
270
Max.
allowable
voltage,
V DC
1.8
3.6
5.4
6
7.2
10.8
14.4
28.8
Standard packing: 40 pcs. in an inner package (tube); 1,000 pcs. in an outer package
(2) Surface-mount terminal
Single side stable
Coil
Rating,
V DC
1.5
3
4.5
5
6
9
12
24
Part No.
Tube packing
TXD2Sr-2M-1.5V
TXD2Sr-2M-3V
TXD2Sr-2M-4.5V
TXD2Sr-2M-5V
TXD2Sr-2M-6
TXD2Sr-2M-9
TXD2Sr-2M-12
TXD2Sr-2M-24
Tape and reel
packing
TXD2Sr-2M-1.5V-Z
TXD2Sr-2M-3V-Z
TXD2Sr-2M-4.5V-Z
TXD2Sr-2M-5V-Z
TXD2Sr-2M-6V-Z
TXD2Sr-2M-9V-Z
TXD2Sr-2M-12V-Z
TXD2Sr-2M-24V-Z
Set voltage,
V DC (max.)
1.13
2.25
3.38
3.75
4.5
6.75
9
18
Reset
voltage,
V DC (min.)
0.15
0.3
0.45
0.5
0.6
0.9
1.2
2.4
Nominal
operating
current,
mA (±10%)
166.7
83.3
55.6
50.0
41.7
27.8
20.8
11.3
Coil
resistance,
Ω
(±10%)
9
36
81
100
144
324
576
2,133
Nominal
operating
power,
mW
250
250
250
250
250
250
250
270
Max.
allowable
voltage,
V DC
1.8
3.6
5.4
6
7.2
10.8
14.4
28.8
r:
For each surface-mounted terminal variation, input the following letter.
SA type: A , SL type: L , SS type: S
Standard packing: 40 pcs. (tube), 500 pcs. (tape and reel) in an inner package; 1,000 pcs. in an outer package
Notes:
1. Tape and reel packing symbol "-Z" is not marked on the relay. "X" type tape and reel packing (picked from 1/3/4/5-pin side) is also available.
2. In case of 5 V transistor drive circuit, it is recommended to use 4.5 V type relay.
DIMENSIONS
1. Standard PC board terminal and self-clinching terminal
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
mm
inch
PC board pattern
(Copper side view)
10.16
.400
Schematic (Bottom view)
Single side stable
1 coil latching
(Deenergized condition)
(Reset condition)
7.4
.291
2.54
.100
+
5.08
.200
1
3 4 5
–
+
1
3 4 5
–
12
10 9 8
12
10 9 8
0.5
.020
1.15
.045
Direction indication*
Direction indication*
Tolerance:
±0.1
±.004
*Orientation stride located on top of relay.
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
163
TX-D
2. Surface-mount terminal
SA type
mm
inch
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 (Top view)
Single side stable
1 coil latching
(Deenergized condition)
(Reset condition)
–
+
12
10 9 8
+
–
12
10 9 8
1
3
4 5
1
3
4 5
Direction indication
15
.591
For glue-pad
Direction indication
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
0.25
.200
7.4±0.5
.010
.291±.020
6.24
.246
General tolerance:
±0.3
±.012
Tolerance:
±0.1
±.004
REFERENCE DATA
1. Maximum switching capacity
2. Life curve
3. Mechanical life
Tested sample: TXD2-5V, 10 pcs.
Operating frequency: 180 cpm
3.0
Switching current, A
2.0
DC resistive load
No. of operations
×10
4
100
50
30
20
10
30V DC
resistive load
Ratio against the rated voltage, %V
100
90
80
70
60
50
40
30
20
10
0
20 30
50
100
200 300
Contact voltage, V
0
1.0
2.0
Switching current, A
0
0
10
100
1000
No. of operations,
×10
4
10000
Drop-out voltage
Max.
Min.
Pick-up voltage
Max.
1.0
Min.
0.5
0.4
0.3
0.2
4. Electrical life (2 A 30 V DC resistive load)
Tested sample: TXD2-5V, 6 pcs.
Operating frequency: 20 cpm
5-(1). Coil temperature rise
Change of contact resistance
100
90
Contact resistance, mΩ
Change of pick-up and drop-out voltage
Ratio against the rated voltage, %V
100
90
80
70
60
50
40
30
20
10
0
0
2
4
6
8
No. of operations,
×10
4
10
Min.
Drop-out voltage
Max.
Pick-up voltage
Max.
Min.
Tested sample: TXD2-5V, 6 pcs.
Measured portion: Inside the coil
Ambient temperature: 25°C
77°F,
70°C
158°F
70
60
50
40
2A
30
20
10
0
100
110
120
Coil applied voltage, %V
2A
0A
0A
+25°C
+77°F
+70°C
+158°F
80
70
60
50
40
30
20
10
0
0
2
4
6
8
No. of operations,
×10
4
10
Min.
Max.
164
Temperature rise,
°C
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