Hongfa HF105F-1/05D6-1ZST 5V 40A Miniature High Power Relay is a compact, high-current PCB mount electromagnetic relay designed for reliable switching of heavy AC and DC loads. Equipped with a 5V DC coil and a 1 Form C (SPDT) contact configuration, this relay supports switching currents up to 40A, making it suitable for industrial control systems, UPS units, battery chargers, inverters, HVAC equipment, power supplies, and home appliances. Its AgSnO₂ contacts, high dielectric strength, and long electrical life ensure dependable performance in demanding application.
Hongfa HF105F-1/05D-1ZST 12V Miniature High Power Latching Relay Datasheet
| Parameter | Value |
|---|---|
| Product Type | Miniature High Power Relay |
| Brand | Hongfa |
| Model | HF105F-1/05D6-1ZST |
| Contact Arrangement | 1 Form C (SPDT) |
| Contact Type | 1 NO + 1 NC |
| Coil Voltage | 5V DC |
| Coil Power | Approx. 900mW |
| Coil Resistance | 27Ω ±10% |
| Nominal Coil Current | Approx. 185mA |
| Pick-Up Voltage (Max.) | 3.75V DC |
| Drop-Out Voltage (Min.) | 0.5V DC |
| Maximum Coil Voltage | 6.5V DC |
| Contact Material | AgSnO₂ |
| Initial Contact Resistance | 50mΩ Max. (at 1A, 24VDC) |
| Maximum Switching Current | 40A |
| Maximum Switching Voltage | 277VAC / 28VDC |
| Maximum Switching Capacity | 5540VA / 600W (1 Form C NO Contact) |
| Rated Load (NO Contact) | 20A @ 240VAC, 20A @ 28VDC |
| Rated Load (NC Contact) | 10A @ 240VAC, 10A @ 28VDC |
| Insulation Resistance | 1000MΩ Min. @ 500VDC |
| Dielectric Strength (Coil to Contacts) | 2500VAC / 4000VAC for 1 Minute (depending on terminal version) |
| Dielectric Strength (Open Contacts) | 1500VAC for 1 Minute |
| Operate Time | 15ms Max. |
| Release Time | 10ms Max. |
| Mechanical Life | 10 Million Operations |
| Electrical Life | 100,000 Operations (Resistive Load) |
| Shock Resistance | Functional: 98m/s², Destructive: 980m/s² |
| Vibration Resistance | 10Hz–55Hz, 1.5mm Double Amplitude |
| Ambient Temperature | -55°C to +85°C (DC Coil) |
| Humidity | 5% to 85% RH |
| Mounting Type | PCB Through Hole |
| Terminal Type | PCB Pins |
| Construction | Plastic Sealed |
| Unit Weight | Approx. 36g |
| Safety Approvals | UL, cUL, VDE, CQC |
| Compliance | RoHS Compliant |
| Typical Applications | UPS Systems, Battery Chargers, Industrial Automation, Power Supplies, HVAC Equipment, Home Appliances, Inverters, Motor Control |
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1 x Hongfa HF105F-1/05D6-1ZST 5V 40A Miniature High Power Relay
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
If you receive a product damaged during shipment, please notify us within 3 days of receiving the product, supported by proper pictures and a description. Once our support team accepts the return, we will provide a replacement or a complete refund, including the return shipping cost.
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
We don’t accept returns for products damaged due to improper use. Moreover, we don’t accept returns if the ordered product is not suitable for a specific application. Please read the product specifications and datasheet carefully before placing an order. Returns are accepted only within 3 days from the date of delivery.
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