TESTING
4,000 V BREAKDOWN
VOLTAGE DS RELAYS
DS-BT
RELAYS
FEATURES
20.65
.813
10.65
.419
10.5
.413
•4,000 V breakdown voltage
•Reinforced insulation between coil and contacts
•Surge voltage withstand: 1500 V FCC Parts 68
mm
inch
SPECIFICATIONS
Contact
Arrangement
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Contact material
Nominal switching capacity
Max. switching power
Rating
(resistive Max. switching voltage
load)
Max. switching current
Electrical
life (min.
ope.)
Min. switching capacity**
1
Mechanical (at 180 cpm)
Electrical (at 20 cpm)
2 Form C
2 Form D
50 mΩ
Gold-clad silver
2 A 30 V DC
1 A 30 V DC
60 W, 125 VA 30 W, 62.5 VA
220 V DC, 250 V AC
2A
1A
10
µA
10 mV DC
2×10
7
10
6
2×10
5
Characteristics
Arrangement
Max. operating speed
Initial insulation resistance*
1
Initial
break-
down
voltage*
2
2 Form C
2 Form D
60 cpm at rated load
Min. 100 MΩ (at 500 V DC)
750 Vrms
500 Vrms
for 1 min.
for 1 min.
4,000 Vrms for 1 min.
750 V
500 V
1,500 V
Approx. 3 ms
Approx. 2 ms
Max. 65°C
10 to 55 Hz
at double amplitude of 3.3 mm
10 to 55 Hz
at double amplitude of 5 mm
Min. 294 m/s
2
(30 G)
Min. 980 m/s
2
(100 G)
–40°C to +70°C –40°C to +60°C
–40°F to +158°F –40°F to +140°F
5 to 85%R.H.
Approx. 4.0 g
0.14 oz
Between open contacts
Between contacts and coil
Between contacts sets
FCC surge voltage between open
contacts
Operate time*
3
(at nominal volt-
age)
Release time (without diode)*
3
(at nominal voltage)
Temperature rise
Vibration
resistance
Shock
resistance
Functional*
4
Destruction*
5
Functional*
6
**
1
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.
Coil
Arrangement
Nominal operating power
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
Half-wave pulse of sine wave: 11ms, detection time: 10µs
*
5
Half-wave pulse of sine wave: 6ms
*
6
Detection time: 10µs
*
7
Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT in catalog
2 Form C
360 mW
2 Form D
540 mW
Destruction
Conditions for oper-
Ambient
ation, transport and
temp.
storage*
7
(Not freezing and
Humidity
condensing at low
temperature)
Unit weight
TYPICAL APPLICATIONS
Modem
Facsimile
Telecommunication equipment
ORDERING INFORMATION
DSBT
2
M
2D
DC3V
Contact
arrangement
2: 2 Form C or
2 Form D
Sensitivity
MBB function
Coil voltage
DC 1.5, 3, 5,
6, 9, 12, 24 V
S: 360 mW
Nil: BBM (Form C)
(2 Form C only)
2D: 2MBB
M: 540 mW
(2 Form D)
(2 Form D only)
Note: Standard packing; Carton: 25 pcs. Case 1,000 pcs.
1
DS-BT
TYPES AND COIL DATA
(at 20
°
C
68
°
F)
1) 2 Form C type
Operating
function
Part No.
DSBT2-S-DC1.5V
DSBT2-S-DC3V
DSBT2-S-DC5V
Single side
DSBT2-S-DC6V
stable
DSBT2-S-DC9V
DSBT2-S-DC12V
DSBT2-S-DC24V
Coil voltage,
V DC
1.5
3
5
6
9
12
24
Pick-up
voltage,
V DC (max.)
1.125
2.25
3.75
4.5
6.75
9
18
Drop-out
voltage,
V DC (min.)
0.15
0.3
0.5
0.6
0.9
1.2
2.4
Nominal operating
current,
mA (±10%)
240
120
72
60
40
30
15
Coil
resistance,
Ω
(±10%)
6.25
25
69.4
100
225
400
1,600
Nominal
operating
power, mW
Max. allowable
voltage, V DC
(at 50°C
122°F)
1.95
3.9
6.5
7.8
11.7
15.6
31.2
360
2) 2 Form D type
Operating
function
Part No.
Coil voltage,
V DC
1.5
3
5
6
9
12
24
Pick-up
voltage,
V DC (max.)
1.125
2.25
3.75
4.5
6.75
9
18
Drop-out
voltage,
V DC (min.)
0.15
0.3
0.5
0.6
0.9
1.2
2.4
Nominal operating
current,
mA (±10%)
360
180
108
90
60
45
22.5
Coil
resistance,
Ω
(±10%)
4.2
16.7
46.3
66.7
150
266.7
1,066.7
Nominal
operating
power, mW
Max. allowable
voltage, V DC
(at 50°C
122°F)
1.8
3.6
6
7.2
10.8
14.4
28.8
DSBT2-M-2D-DC1.5V
DSBT2-M-2D-DC3V
DSBT2-M-2D-DC5V
Single side
DSBT2-M-2D-DC6V
stable
DSBT2-M-2D-DC9V
DSBT2-M-2D-DC12V
DSBT2-M-2D-DC24V
540
Note: Standard packing Tube: 25 pcs. Case: 1,000 pcs.
DIMENSIONS
20.65
.813
10.50
.413
9.9
.390
3.4
.134
10.65
.419
8-0.9 dia.
8-.035 dia.
mm
inch
PC board pattern (Bottom view)
7.62
.300
7.82
.308
0.30
.012
7.62
.300
0.6
.024
5.08
.200
5.08
.200
0.3
.012
7.62
.300
0.6
.024
2
.079
5.6
.220
7.82
.308
0.35
.014
5.08 5.08
.200 .200
7.62
.300
Tolerance:
±
0.1
±
.004
Schematic (Bottom view)
9 11 13
16
N.O. N.C. COM –
General tolerance:
±0.3 ±
.012
N.O. N.C. COM +
8 6 4
1
REFERENCE DATA
1. Mechanical life test
Tested sample: DSBT2-S-DC5V, 10 pcs.
Coil applied voltage: 5 V DC
Operating frequency: 30 cpm
Change of pick-up and drop-out voltage
Pick-up/drop-out voltage, V DC
Change of contact resistance
N.C. contact
N.O. contact
100
Max.
Max.
–
x
–
x
Min.
Min.
4
Pick-up voltage
3
Max.
–
x
Min.
2
Drop-out voltage
Max.
–
x
Contact resistance, mΩ
10
1
Min.
0
0
0
10
100
1000
No. of operations,
×
10
4
0
10
100
1000
No. of operations,
×
10
4
2
DS-BT
2. Electrical life test (resistive)
Pick-up/drop-out voltage, V DC
Tested sample: DSBT2-S-DC12V, 6 pcs.
Condition: 2 A 30 V DC resistive load, 30 cpm
7
Pick-up voltage
6
5
4
3
Drop-out voltage
2
1
Max.
–
x
Min.
Contact resistance, mΩ
Max.
–
x
Min.
100
N.C. contact
N.O. contact
Circuit
N.O.:
No.11–13
N.C.:
No. 4–6
30 V DC
10
Max.
–
x
Max.
–
x
Min.
Min.
0
5
10
15
20
No. of operations,
×
10
4
0
5
10
15
20
No. of operations,
×
10
4
3. Coil temperature rise
Tested sample: DSBT2-S-DC12V, 5 pcs.
Measured portion: Inside the coil
80
Coil temperature rise,
°C
70
60
50
40
30
2A
1A
0A
4. Operate and release time characteristics
Tested sample: DSBT2-S-DC5V, 10 pcs.
Ambient temperature: 23
°
C
73
°
F
Coil
N.O. contact
T
1
Coil
T
2
Operate time, ms
T
1
: Operate time
T
2
: Operate bounce
time
6
5
4
3
2
1
0
80
100
120
Coil applied voltage, %V
Without diode (T
1
)
N.C. contact
T
3
T
4
T
3
: Release time
T
4
: Release bounce
time
0
200
400
600
800
Coil power, mW
Without diode (T
2
)
Without diode (T
3
)
Without diode (T
4
)
Operate bounce time, ms
1.5
Release time, ms
Release bounce time, ms
6
5
4
3
2
Measured terminals: 4-8
1
1.5
Measured terminals: 4-6
1.0
1.0
Measured terminals: 9-13
0.5
0.5
Measured terminals: 11-13
0
80
100
120
Coil applied voltage, %V
0
80
100
120
Coil applied voltage, %V
0
80
100
120
Coil applied voltage, %V
5. Distribution of pick-up and drop-out voltage
Tested sample: DSBT2-S-DC5V, 50 pcs.
Pick-up voltage
Specified value: Less than 3.75 V DC
–
Mean value (x): 3.22 V DC
Max.: 3.69 V DC
Min.: 2.65 V DC
Quantity
Quantity
20
20
6. Distribution of breakdown voltage
Drop-out voltage
Specified value: More than 0.50 V DC
––
Mean value (x): 1.65 V DC
Max.: 2.23 V DC
Min.: 0.78 V DC
Quantity
(between contacts and coil)
Tested sample: DSBT2-S-DC5V, 100 pcs.
40
Mean: AC 5169 V
Max.: AC 5800 V
Min.: AC 4700 V
30
20
10
10
10
2.0
2.5
3.0
3.5
4.0
4.5
Pick-up voltage, V
5.0
0
0.5
1.0
1.5
2.0
2.5
Drop-out voltage, V
3.0
0
AC 4000
AC 5000
AC 6000
Breakdown voltage, V AC
For Cautions for Use, see Relay Technical Information
in catalog.
3
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