Discontinued
TESTING
DS-BT
RELAYS
4,000 V BREAKDOWN
VOLTAGE DS RELAYS
FEATURES
20.65
.813
10.65
.419
•4,000 V breakdown voltage
•Reinforced insulation between coil and contacts
•Surge voltage withstand: 1500 V FCC Parts 68
10.5
.413
mm inch
SPECIFICATIONS
Characteristics
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
Min. switching capacity**1
Electrical Mechanical (at 180 cpm)
life (min.
Electrical (at 20 cpm)
ope.)
2 Form C
2 Form D
50 mOhm
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
2x107
106
2x105
**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
2 Form C
360 mW
2 Form D
540 mW
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 (Page 61)
TYPICAL APPLICATIONS
Modem
Facsimile
Telecommunication equipment
Arrangement
Max. operating speed
Initial insulation resistance*1
Initial
breakdown
voltage*2
Between open contacts
Between contacts and coil
Between contacts sets
FCC surge voltage between open
contacts
Operate time*3 (at nominal voltage)
Release time (without diode)*3
(at nominal voltage)
Temperature rise
Functional*4
Vibration
resistance
Destruction*5
Functional*6
Destruction
Conditions for oper- Ambient
ation, transport and temp.
storage*7
(Not freezing and
Humidity
condensing at low
temperature)
Shock
resistance
2 Form C
2 Form D
60 cpm at rated load
Min. 100 MOhm (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/s2 (30 G)
Min. 980 m/s2 (100 G)
–40°C to +70°C
–40°C to +60°C
–40°F to +158°F –40°F to +140°F
Unit weight
5 to 85%R.H.
Approx. 4.0 g 0.14 oz
ORDERING INFORMATION
DSBT
Contact
arrangement
2
M
Sensitivity
2D
DC3V
MBB function
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.
2: 2 Form C or
2 Form D
192
Coil voltage
DC 1.5, 3, 5,
6, 9, 12, 24 V
