The HW-14F small relay belongs to a family of miniature electromagnetic relays optimized for PCB mounting. Built with precision engineering, it features a strong coil system and durable contacts, ensuring long-term stability even under demanding operating conditions.
Compared with larger relays, the HW-14F series is specifically designed for compact electronics, automation systems, and low-voltage switching circuits, making it ideal for engineers who want both efficiency and reliability. Its compatibility with a wide range of voltages, including 5V, 12V, and 24V small relays, makes it suitable for diverse projects across industrial and consumer markets.
Model Description
| HW | 41F | Optional | Optional | Optional | Optional | Optional | Optional | Optional |
| ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ | ⑨ |
①Enterprise code: Hangwang Electric
②Serial number: 41F
③Number of contact groups: 1
④Contact arrangement: 1A=1 form A 1C=1 form C
⑤Mounted type: Socket available
⑥Operating state: L: LED indicate No letters: no indicate
⑦Protect construction: S=Plastic sealed Nil=Flux type
⑧Coil power: P=0.4W Long-life type Nil=Standard type
⑨Insulation class: F= Class F
Contact data
| Contact arrangement | 1A/1C |
| Contact resistance | 100mΩ max (at 1A 6VDC) 100mΩ or less（Under 6VDC1A condition） |
| Contact material | AgSnO alloy |
| Contact rating | NO: 6A 277VAC, COSΦ =1.0 NO: 6A 24VDC, L/R=0 NC: 6A 277VAC, COSΦ =1.0 NC: 6A 24VDC, L/R=0 |
| Max. switching voltage | 277VAC/30VDC |
| Max. switching current | 6A |
| Max. switching power | 1662VA/180W |
| Min. switching load | 10mA6V |
| Mechanical endurance | 10,000,000 cycles min More than 10 million |
| Electrical endurance | Standard type： at ON/OFF=1s/9s, normal temp. NO：6A 250VAC, R-load, 30,000cycles min. NO：6A 24VDC, R-load, 30,000cycles min. NC：6A 250VAC, R-load, 10,000cycles min. NC：6A 24VDC, R-load, 10,000cycles min.
Long E-life type： at ON/OFF=1s/9s, normal temp. NO：6A 250VAC, R-load, 60,000cycles min. NO：6A 24VDC, R-load, 100,000cycles min. NC：6A 250VAC, R-load, 30,000cycles min. NC：6A 24VDC, R-load, 30,000cycles min. |
Key Features of HW-14F Small Relay
Miniature size – ideal for space-limited PCB layouts.
Multiple coil voltages – available in 5V, 12V, and 24V options.
Strong contact reliability – stable switching performance over thousands of cycles.
PCB mount design – perfect for automation panels and electronics boards.
Versatile configuration – available in SPDT and DPDT types depending on model.
Energy-efficient coil – reduces power consumption in continuous operations.
Advantages of Small Relays
Using small relays like the HW-14F brings several advantages:
Space-saving design – perfect for miniaturized devices.
Wide application range – from Arduino relay modules to industrial automation.
High durability – mechanical and electrical endurance ensures long service life.
Cost-effective solution – more affordable than solid-state relays for many use cases.
Compatibility – trusted by both industrial relay manufacturers and electronics hobbyists.
Applications of HW-14F Small Relay
Small relays are used in countless industries and devices. The HW-14F is suitable for:
Consumer electronics – televisions, audio systems, and small appliances.
Industrial automation – PLC modules, control boards, and test equipment.
Smart home devices – lighting controllers, HVAC systems, and security systems.
DIY and maker projects – Arduino, Raspberry Pi, and robotics applications.
Automotive electronics – dashboard systems and small switching tasks.
For engineers looking for miniature relays for PCB boards, the HW-14F remains a top choice.
Characteristics (initial)
| Insulation resistance | 1000MΩ(at 500VDC) |
| Dielectric strength | Between coil and contacts: 5000V for 1 minute |
| Between across contacts of same pole: 1000V for 1 minute | |
| Operate time (at normal voltage) | 10ms max |
| Release time (at normal voltage) | 5ms max |
| vibration resistance | 10Hz-55Hz, at double amplitude 1mm |
| Shock resistance
| Functional: Min. 100m/s2 Destructive: Min. 1000m/s2 |
| Ambient temperature | -40℃ to 85℃ |
| Humidity | 5% to 85% RH |
| Termination | PCB type |
| Unit weight | Approx 5g |
| Construction | Flux protected or plastic sealed type |
Standard type：Coil data (DC spec: 0.18W)（DC norm：0.18W）
| Rated voltage
| Coil resistance (Ω) (at 23℃)
| Operate voltage (at 23℃) | release voltage (at 23℃) | Allowable voltage range in coil (at 23℃) | Nominal coil power
(approx. W) |
| % of rated voltage | |||||
| 3 | 50×(1±10%） | 80%MAX | 5%MIN | 95-120% | 0.18 |
| 5 | 139×(1±10%） | 0.18 | |||
| 6 | 200×(1±10%） | 0.18 | |||
| 9 | 450×(1±10%） | 0.18 | |||
| 12 | 800×(1±10%） | 0.18 | |||
| 15 | 1250×(1±10%） | 0.18 | |||
| 18 | 1800×(1±10%） | 0.18 | |||
| 24 | 3200×(1±10%） | 0.18 | |||
| 36 | 5180×(1±10%） | 0.25 | |||
| 48 | 9200×(1±10%） | 0.25 | |||
| 60 | 14400×(1±10%） | 0.25 | |||
Long E-life type : Coil data (DC spec: 0.4W)（DC norm：0.4W）
| Rated voltage
| Coil resistance (Ω) (at 23℃)
| Operate voltage (at 23℃) | release voltage (at 23℃) | Allowable voltage range in coil (at 23℃) | Nominal coil power
(approx. W) |
| % of rated voltage | |||||
| 3 | 22.5×(1±10%） | 80%MAX | 5%MIN | 95-120% | 0.4 |
| 5 | 62.5×(1±10%） | 0.4 | |||
| 6 | 90×(1±10%） | 0.4 | |||
| 9 | 202×(1±10%） | 0.4 | |||
| 12 | 360×(1±10%） | 0.4 | |||
| 15 | 562×(1±10%） | 0.4 | |||
| 18 | 810×(1±10%） | 0.4 | |||
| 24 | 1440×(1±10%） | 0.4 | |||
| 36 | 3240×(1±10%） | 0.4 | |||
| 48 | 5760×(1±10%） | 0.4 | |||
| 60 | 9000×(1±10%） | 0.4 | |||
Outline dimensions
terminal Vertical mountion:
1C TYPE
1A TYPE
terminal Flat mountion:
1C TYPE
1A TYPE
Terminal-arrangement(bottom view)
1C TYPE
1A TYPE
Mounting dimension(bottom view)
1C TYPE
Socket with Din-Rail
HW41 – 05E (XXX) / DC12V
① ② ③
①SERIES =HW41-05E
②Special code: XXX=Special requirement code
③Coil spec：DC5-60V，AC12V，AC24V，AC48V，AC60V，AC110V，AC230V
HW41-05E type outline （Screw connect type ）
HW41-05E-STL type outline (Spring terminal connect type)
Socket Terminal-arrangement
Installation & Maintenance
Confirm the relay coil voltage (5V, 12V, or 24V).
Insert the relay into the designated PCB socket or mount position.
Ensure soldering is done carefully to prevent overheating or loose connections.
Test the relay function before integrating it into the final circuit.
Maintenance is simple: periodically inspect solder joints, ensure clean contacts, and replace relays showing wear after long service hours.
How to Choose the Right Small Relay
When selecting small relays for electronics or automation, consider:
Voltage rating – match the relay coil to your system voltage (e.g., small relay 12V or 24V).
Contact configuration – SPDT or DPDT depending on your circuit design.
Current capacity – ensure the relay can handle your load requirements.
Application type – PCB mount miniature relay for compact designs or socket mount for easy replacement.
Manufacturer reliability – always choose from trusted industrial relay manufacturers like HWRelay.
Characteristics
| Rated load | 10A300VAC | ||
| Socket input voltage VS relay coil spec | Socket input voltage | Relay coil | |
| DC-TYPE | AC/DC MIXED TYPE | / | |
| DC3V | / | DC3V | |
| DC5V | / | DC5V | |
| DC6V | / | DC6V | |
| DC9V | / | DC9V | |
| DC12V | AC/DC12V | DC12V | |
| DC15V | AC/DC15V | DC15V | |
| DC18V | AC/DC18V | DC18V | |
| DC24V | AC/DC24V | DC24V | |
| DC36V | AC/DC36V | DC36V | |
| DC48V | AC/DC48V | DC48V | |
| DC60V | AC/DC60V | DC60V | |
| / | AC/DC110-125V | DC60V | |
| / | AC/DC220-240V | DC60V | |
PCB TYPE
HW41 – 05E (PCB)
① ②
①SERIES =HW41-05E
②Special code: PCB=PCB type
OUTLINE
Mounting dimension(bottom view)
Additional notes
①There are some outline-dimension without tolerance, please refer these: dimension is less than 1mm, tolerance is ±0.1; dimension is 1-3mm, tolerance is ±0.2; dimension is more than 3mm, tolerance is ±0.3.
②The data-sheet is only for reference when customer use, if we have some change, we can not show the notice to you. We can not evaluate all the performance and all the parameters for every application, so that please choose the suitable relay-product in your application. If you have any questions, please connect our company for further supports.
FAQ – Small Relays
Q1: What is a small relay used for?
A: Small relays are used in electronics projects, industrial control boards, home appliances, and automation systems.
Q2: Does the HW-14F small relay support Arduino and Raspberry Pi projects?
A: Yes, it is frequently used in Arduino relay modules and Raspberry Pi-based control systems.
Q3: What voltages are available for HW-14F small relays?
A: The series includes 5V small relays, 12V small relays, and 24V small relays.
Q4: Are small relays durable for industrial use?
A: Yes, the HW-14F is built with strong contacts and coil systems, making it suitable for both consumer and industrial applications.
Q5: How does a small relay differ from a solid-state relay?
A: A miniature electromagnetic relay like HW-14F is more cost-effective and versatile, while solid-state relays are used for silent switching in specialized cases.
