DK1a-L2-3V-F
DK Relays

Product specifications for this product
Item | Product specifications |
---|---|
Contact arrangement | 1 Form A |
Max. switching current | 10 A (AC, DC) |
Max. switching voltage | 250 V AC, 125 V DC (0.2 A) |
Operating function | 2 coil latching |
Terminal shape | PC board terminal |
Min. switching load (reference value) | 10 mA 5 V DC |
Dielectric strength (initial) : Between contact and coil | 4,000 Vrms for 1 min (detection current: 10 mA) |
Dielectric strength (initial) : Between open contacts | 1,000 Vrms for 1 min (detection current: 10 mA) |
Shock resistance (Destructive) | 980 m/s<sup>2</sup> (half-sine shock pulse: 6 ms) |
Shock resistance (Functional) | 98 m/s<sup>2</sup> (half-sine shock pulse: 11 ms, detection time: 10 μs) |
Vibration resistance (Destructive) | 10 to 55 Hz (at double amplitude of 3 mm) |
Vibration resistance (Functional) | 10 to 55 Hz (at double amplitude of 1.5 mm, detection time: 10 μs) |
Accessories | Sockets are available. |
Protective construction | Sealed |
Conditions | Ambient temperature: -40 to +65℃<br>Humidity: 5 to 85% RH (Avoid icing and condensation) |
Contact material | Au-flashed AgSnO<sub>2</sub> type |
Standard packingCase (pieces) | 500 |
Rated coil voltag | 3 V DC |
Rated operating power | 200 mW |
Resistive load | Please contact our sales representative. |
Contact rating (resistive load) | 10 A 250 V AC, 10 A 30 V DC |
Contact resistance (initial) | Max. 30 mΩ (by voltage drop 6 V DC 1 A) |
Contact shape | Single |
Insulation resistance (initial) | Min. 1,000 MΩ (at 500 V DC, Measured portion is the same as the case of dielectric strength.) |
Max. switching power (resistive load) | 2,500 VA (AC), 300 W (DC) |
Mechanical life | Min. 50x10<sup>6</sup> ope. (switching frequency: at 300 times/min) |
Unit weight | Approx. 5 g |
[[Specifications]]Surge withstand voltage (initial) : Between contact and coil | 10,000 V |
Model Number | DK1a-L2-3V-F |
Part Number | AW3211F |
Standard packing<br>Carton (pieces) | 50 |
[[Coil data]]Coil resistance [±10%] (at 20℃) | Set coil: 45 Ω<br>Reset coil: 45 Ω |
[[Coil data]]Max. allowable voltage (at 20℃) | 130 % V of rated coil voltage |
[[Coil data]]Rated operating current [±10%] (at 20℃) | Set coil: 66.6 mA<br>Reset coil: 66.6 mA |
[[Coil data]]Reset voltage (at20℃) | Max. 70% V of rated coil voltage (Initial) |
[[Coil data]]Set voltage (at20℃) | Max. 70% V of rated coil voltage (Initial) at20℃ |
[[Specifications]]Reset time (Initial) (at20℃) | Max. 10 ms at rated coil voltage (without bounce, without diode) |
[[Specifications]]Set time (Initial) (at 20℃) | Max. 10 ms at rated coil voltage (without bounce) |
Downloads
CAD
Name | Size | Date | Language |
---|---|---|---|
DK Relays, 3D CAD(STEP) | 297 KB | 02.04.2020 | English |
Catalog
Name | Size | Date | Language |
---|---|---|---|
Relay match list old-new part numbers | 125.9 KB | 02.07.2023 | English |
Data sheet
Name | Size | Date | Language |
---|---|---|---|
DK Relays Datasheet | 380.1 KB | 09.07.2025 | English |
Mechanical Relays Selection Guide | 4.2 MB | 01.04.2025 | English |
Other
Name | Size | Date | Language |
---|---|---|---|
DK Relays, 2D CAD(DXF) | 86.5 KB | 30.10.2017 | English |
DK Relays, 3D CAD(IGES) | 329.3 KB | 02.04.2020 | English |
DK Relays, 3D CAD(Parasolid) | 195 KB | 02.04.2020 | English |
DK Relays, 3D CAD(View) | 39.1 KB | 02.04.2020 | English |
Relay Soldering and Cleaning Guidelines | 72.6 KB | 15.06.2022 | English |
General Application Guidelines | 405.6 KB | 16.06.2025 | English |
Reliability | 54.8 KB | 15.06.2022 | English |
Definition of Relay Terminology | 151 KB | 30.05.2022 | English |
Applications of Relays in Electronic Circuits | 134.5 KB | 30.05.2022 | English |