Compact PCB-mount SPDT HG4100F signal relay with 12VDC coil and 3A contact rating for 250VAC or 30VDC switching; 6-pin through-hole package, low profile.
The HG4100F Relay is a compact PCB-mount electromagnetic relay designed for general-purpose switching applications. It features a 12 VDC coil, a 6-pin footprint suitable for through-hole PCB soldering, and contacts rated for up to 3A at 250VAC or 30VDC, making it an economical yet reliable choice for controlling low-to-moderate power AC or DC loads in electronic circuits, automation, control boards, alarm systems, and DIY electronics projects.
Features
12VDC nominal coil suitable for common 12V control supplies and driver circuits.
SPDT (1 Form C) contact arrangement for common / NO / NC wiring flexibility.
Contact rating 3A at 250VAC or 3A at 30VDC for resistive loads.
Compact sealed/plastic body with flux-resistant construction for PCB reflow/soldering.
Low-profile outline dimensions of 15.5 x10.5 x11.8mm for space-constrained designs.
Long electrical life (1×10^5 operations at rated load) and high mechanical life (1×10^7 operations).
Meets insulation and dielectric requirements for safety-minded designs.
Direct replacement for HK4100F and HT4100F.
Specifications
Parameter
Value
Coil Voltage
12 VDC
Contact Configuration
SPDT (1 Form C)
Contact Rating (AC)
3A @ 250VAC
Contact Rating (DC)
3A @ 30VDC
Maximum Switching Voltage
300 VAC / 60 V DC (absolute max)
Maximum Switching Capacity
750 VA / 90 W
Contact Resistance (initial)
≤ 100 mΩ @ 1 A, 6 VDC
Operate Time (max)
≤ 6 ms
Release Time (max)
≤ 4 ms
Insulation Resistance
≥ 100 MΩ @ 500 V DC (coil-to-contact)
Dielectric Strength
1000 V AC (coil-to-contact), 500 V AC (between contacts)
Temperature Range
–25 °C to +70 °C (typical)
Package
6-pin through-hole PCB relay
Applications
AC / DC load switching in control modules, lamps, small motors, fans, and lighting circuits.
Microcontroller-controlled relay boards for home automation, IoT, or robotics.
Alarm systems, security devices, and low-to-moderate power switching tasks.
Replacement or upgrade of similar 12 VDC SPDT 3A relays in DIY and repair applications.
General-purpose switching in consumer electronics, appliances, or power-control panels.
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