DSP
8 A MINIATURE
POWER RELAY
IN DS RELAY SERIES
DSP RELAYS
FEATURES
• Power types added to DS relay series
About Cd-free contacts
We have introduced Cadmium free type
products to reduce Environmental
Hazardous Substances.
(The suffix “F” should be added to the
part number)
(Note: The Suffix “F” is required only for
1 Form A 1 Form B contact type.
The 1 Form A and 2 Form A contact type
is originally Cadmium free, the suffix “F”
is not required.)
Please replace parts containing
Cadmium with Cadmium-free products
and evaluate them with your actual
application before use because the life of
a relay depends on the contact material
and load.
• High switching capacity:
1a: 8 A 250 V AC /
1a1b, 2a: 5 A 250 V AC
• High sensitivity: 190 mW pick-up
power
DSP1a
DSP1
• High contact welding resistance
• Latching types available
11.0
.433
20.2
.795
• High breakdown voltage 3,000 Vrms
between contacts and coil 1,000
Vrms between open contacts
Meeting FCC Part 68
10.5
.413
• Sealed types are standard
DSP2a
mm inch
RoHS Directive compatibility information
http://www.nais-e.com/
SPECIFICATIONS (at 20°C 68°F)
Contact
Characteristics
Arrangement
1a
1a1b
2a
Max. operating speed
Initial insulation resistance*1
30 cps. at rated load
Contact material
AgSnO2 type
Min. 1,000 MΩ at 500 V DC
1,000 Vrms
Initial contact resistance, max.
(By voltage drop 6 V DC 1A)
Between open contacts
30 mΩ
Initial
Between contact sets
2,000 Vrms (1a1b, 2a)
breakdown
8A 250
VAC
5A 30
VDC
voltage*2
Between contacts and
coil
3,000 Vrms
Min. 5,000 V
5A 250 VAC
5A 30 VDC
Nominal switching capacity
Max. switching power
Surge voltage between contacts and
coil
Set time*3 (at nominal voltage)
Reset time*3 (at nominal voltage)
Operate time*3 (at nominal voltage)
2,000 VA
150 W
1,250 VA
150 W
Max. 10 ms (Approx. 5 ms)
Max. 10 ms (Approx. 4 ms)
Max. 10 ms (Approx. 5 ms)
Rating
(resistive)
Max. switching voltage
250 V AC, 30 V DC
8 A 5 A
Max. switching current
Min. switching capacity#1
Release time(without diode)*3
(at nominal voltage)
10 mA, 5 V DC
Max. 5 ms (Approx. 4 ms)
Mechanical
(at 180 cpm)
Expected
life (min.
operations)
5×107
Max. 40°C (1a1b type)
Max. 55°C (1a, 2a types)
250°C (10 s) 300°C (5 s),
350°C (3 s)
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
Temperature rise
Electrical
105
Soldering temperature
Coil (polarized) (at 20°C 68°F)
Functional*4
Shock
Single side stable
192 mW
192 mW
300 mW
300 mW
Minimum operating
power
Destructive*5
resistance
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)
#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.
–40°C to +65°C – 40°F 149°F
Remarks
* Specifications will vary with foreign standards certification ratings.
*1 Measurement at same location as “Initial breakdown voltage” section
*2 Detection current: 10mA
Unit weight
Approx. 4.3 g .15 oz
*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 6. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
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