ALQ118S
LQ Relays
Product specifications for this product
| Item | Product specifications |
|---|---|
| Contact arrangement | 1 Form C |
| Max. switching current | N.O.: 10 A (125 V AC), 5 A (30 V DC)<br>N.C.: 3 A (125 V AC), 1 A (30 V DC) |
| Max. switching voltage | 250 V AC, 30 V DC |
| Operating function | Single side stable |
| Terminal shape | PC board terminal |
| Min. switching load (reference value) | 100 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 | 750 Vrms for 1 min (detection current: 10 mA) |
| Protective construction | Sealed |
| Coil insulation class | Class B insulation |
| Contact rating type | Standard type |
| Type classification | ー |
| Conditions | Ambient temperature: -40 to +85℃ (-40 to +60℃ at our standard packing condition)<br>Humidity: 5 to 85% RH (Avoid icing and condensation) |
| Contact material | AgNi type |
| Packing style | Tube package |
| Relay shape | Slim type |
| Standard packingCase (pieces) | 1,000 |
| Rated coil voltag | 18 V DC |
| Rated operating power | 400 mW |
| Max. allowable voltage | 110% V of rated coil voltage (at 85℃)<br>150% V of rated coil voltage (at 20℃) |
| Resistive load | [at 20℃, Switching frequency: ON:OFF=1.5 s:1.5 s with diode]<br>Form A contact: Min. 100x10<sup>3</sup> ope. 5 A 30 V DC<br>Form A contact: Min. 50x10<sup>3</sup> ope. 10 A 125 V AC<br>Form A contact: Min. 50x10<sup>3</sup> ope. 5 A 250 V AC<br>Form B contact: Min. 200x10<sup>3</sup> ope. 3 A 125 V AC<br>Form B contact: Min. 200x10<sup>3</sup> ope. 2 A 250 V AC<br>Form B contact: Min. 100x10<sup>3</sup> ope. 1 A 30 V DC |
| Contact rating (resistive load) | N.O.: 10 A 125 V AC, 5 A 250 V AC, 5 A 30 V DC<br>N.C.: 3 A 125 V AC, 2 A 250 V AC, 1 A 30 V DC |
| Contact resistance (initial) | Max. 100 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) | N.O.: 1,250 VA, 150 W<br>N.C.: 500 VA, 30 W |
| Mechanical life | Min. 10x10<sup>6</sup> ope. (switching frequency: at 180 times/min) |
| Unit weight | Approx. 7 g |
| [[Specifications]]Surge withstand voltage (initial) : Between contact and coil | 8,000 V |
| Model Number | ALQ118S |
| Part Number | ALQ118S |
| Standard packing<br>Carton (pieces) | 50 |
| [[Coil data]]Coil resistance [±10%] (at 20℃) | 810 Ω |
| [[Coil data]]Operate voltage (at20℃) | Max. 75% V of rated coil voltage (Initial) |
| [[Coil data]]Rated operating current [±10%] (at 20℃) | 22.2 mA |
| [[Coil data]]Release voltage (at20℃) | Min. 5% V of rated coil voltage (Initial) |
| [[Specifications]]Operate time (initial) (at 20℃) | Max. 20 ms at rated coil voltage (without bounce) |
| [[Specifications]]Release time (initial) (at 20℃) | Max. 20 ms at rated coil voltage (without bounce, with diode) |
| Shock resistance (Destructive) (initial) | 980 m/s<sup>2</sup> (half-sine shock pulse: 6 ms) |
| Shock resistance (Functional) (initial) | 196 m/s<sup>2</sup> (half-sine shock pulse: 11 ms, detection time: 10 μs) |
| Vibration resistance (Destructive)(initial) | 10 to 55 Hz (at double amplitude of 2 mm) |
| Vibration resistance (Functional)(initial) | 10 to 55 Hz (at double amplitude of 1.6 mm, detection time: 10 μs) |
Downloads
Brochure
| Name | Size | Date | Language |
|---|---|---|---|
| Our Offering for Heat Pumps - Individual components ensure efficiency and high performance | 4.2 MB | 17.10.2024 | English |
CAD
| Name | Size | Date | Language |
|---|---|---|---|
| LQ Relays, 3D CAD(STEP) | 293.7 KB | 08.04.2020 | 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 |
|---|---|---|---|
| LQ Relays Datasheet | 273.9 KB | 01.08.2025 | English |
| Products for Energy Management | 12.8 MB | 01.10.2025 | English |
| Mechanical Relays Selection Guide | 4.2 MB | 01.04.2025 | English |
Flyer
| Name | Size | Date | Language |
|---|---|---|---|
| Fighting card: LQ Relay - High Inrush Power Relays, Improved High Inrush Current & Reinforced Insulation Type | 721 KB | 28.01.2024 | English |
| Fighting card: LQ Relay - 10A Power Relays, reflow processable universally applicable relay | 700 KB | 08.07.2024 | English |
Other
| Name | Size | Date | Language |
|---|---|---|---|
| LQ Relays, 2D CAD(DXF) | 61.3 KB | 27.06.2012 | English |
| LQ Relays, 3D CAD(IGES) | 326.5 KB | 08.04.2020 | English |
| LQ Relays, 3D CAD(Parasolid) | 191.5 KB | 08.04.2020 | English |
| LQ Relays, 3D CAD(View) | 38.8 KB | 08.04.2020 | 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 |
