MINIATURE POWER RELAY
IN DS RELAY SERIES
DSP-
RELAYS
FEATURES
• Power types added to DS relay series
11.0
.433
20.2
.795
• High switching capacity: 1a: 8 A 250V AC / 1a1b, 2a: 5 A 250V AC
• High sensitivity: 190 mW pick-up power
• High contact welding resistance
10.5
.413
• Latching types available
DSP1a
• High breakdown voltage 3,000 Vrms between contacts and coil
1,000 Vrms between open contacts Meeting FCC Part 68
DSP1
• Sealed types are standard
Characteristics
mm inch
DSP2a
1a1b
SPECIFICATIONS
Contact
Arrangement
1a
2a
Max. operating speed
30 cps. at rated load
Min. 1,000 MΩ at 500 V DC
1,000 Vrms
Contact material
Gold flash over silver alloy
Initial insulation resistance*1
Initial contact resistance, max.
(By voltage drop 6 V DC 1A)
Between open contacts
Initial
30 mΩ
breakdown Between contact sets
2,000 Vrms (1a1b, 2a)
3,000 Vrms
8A 250
VAC
5A 30 VDC
voltage*2
Between contacts and coil
5A 250 VAC
5A 30 VDC
Nominal switching capacity
Surge voltage between contacts and coil
Set time*3 (at nominal voltage)
Reset time*3 (at nominal voltage)
Operate time*3 (at nominal voltage)
Release time(without diode)*3
(at nominal voltage)
Min. 5,000 V
Max. 10 ms (Approx. 5 ms)
Max. 10 ms (Approx. 4 ms)
Max. 10 ms (Approx. 5 ms)
2,000 VA
150 W
1,250 VA
150 W
Max. switching power
Rating
(resistive) Max. switching voltage
250 V AC, 30 V DC
Max. switching current
8 A
5 A
Max. 5 ms (Approx. 4 ms)
Expected
life (min.
operations)
Mechanical (at 180 cpm)
5×107
Max. 40°C (1a1b type)
Max. 55°C (1a, 2a types)
Temperature rise
Electrical
105
250°C (10 s) 300°C (5 s),
350°C (3 s)
Soldering temperature
Coil (polarized) (at 20°C 68°F)
Functional*4
Shock
resistance
Min. 196 m/s2 {20 G}
Min. 980 m/s2 {100 G}
117.6 m/s2 {12 G}, 10 to 55 Hz
at double amplitude of 2 mm
205.8 m/s2 {21 G}, 10 to 55 Hz
at double amplitude of 3.5 mm
Minimum
operating
power
Single side stable
192 mW
192 mW
300 mW
300 mW
Destructive*5
2 coil latching
Single side stable
2 coil latching
Functional*6
Nominal
operating
power
Vibration
resistance
Destructive
Note: All specifications are based on the condition of 25°C 77°F, 50% R.H. unless
otherwise specified.
Conditions for operation, transport
and storage*7
(Not freezing and condensing at low
temperature)
–40°C to +65°C – 40°F 149°F
Unit weight
Approx. 4.3 g .15 oz
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 ORDERING INFORMATION
Office and industrial electronic devices
1
Ex. DSP
L
DC12V
R
• Terminal devices of information process-
ing equipment, such as printer, data re-
corder.
Contact arrangement
Operating function
Coil voltage
Polarity
• Office equipment (copier, facsimile)
• Measuring instruments
• NC machines, temperature controllers
and programmable logic controllers.
1: 1a1b
1a: 1a
2a: 2a
Nil: Single side stable
L2: 2 coil latching
DC: 3, 5, 6,
9, 12, 24 V
Nil: Standard polarity
R: Reverse polarity
(Note) Standard packing–Carton: 50 pcs.; Case: 500 pcs.
UL/CSA, VDE approved type is standard.
234