SZLIYANDS 466-469 Coil Pins Mini Spst Power Relay Pcb 466/469 JQC3F T73 10PCS 12V

( Brand: Szliyands ), ( Manufacturer Part Number: 466/469 ), ( Part Type: Coil ), ( Connector Type: Plug-ln ), ( Contact Type: Spst ), ( Current Rating: 10 Amps ), ( Mounting Type: Plug In Mount ), ( Operation Mode: Automatic ), ( Wattage: 120 Watts ), ( Coil Voltage: 12 Volts ), ( Specification Met: Ccc ), ( Contact Material: Silver )

Review SZLIYANDS 466/469 T73 Dc Coil Pins Mini Spst Power Relay Pcb Type 10pcs 12v

The **Szliyands 466/469 JQC3F T73 Coil Pins Mini SPST Power Relay (10-Pack, 12V)** is a compact yet highly efficient electrical component designed for precision control in low-voltage applications. This relay belongs to the JQC3F series, renowned for its reliability and versatility, and features a **single-pole single-throw (SPST)** switching mechanism, making it ideal for circuits requiring clean, high-current switching with minimal contact bounce. The **T73 coil pins** ensure a secure and stable connection, accommodating standard 12V DC power sources while maintaining low power consumption during operation. With a **miniature form factor**, this relay is perfect for space-constrained projects, including automotive electronics, robotics, home automation systems, and DIY circuit boards where compact yet robust switching is essential.

Constructed with high-quality materials, the relay offers a **long operational lifespan** and excellent resistance to mechanical wear, ensuring consistent performance even under frequent switching cycles. Its **SPST configuration** allows for straightforward integration into circuits where a single load needs to be controlled, such as relays for LED strips, motor drivers, or solenoid valves. The **10-pack quantity** provides ample inventory for prototyping, batch production, or backup spares, while the **12V DC coil voltage** makes it compatible with a wide range of power supplies, from Arduino-based projects to custom-built control panels. Whether used in industrial automation, hobbyist electronics, or IoT devices, this relay delivers **reliable, contact-based switching** with minimal heat dissipation, making it a dependable choice for both beginners and experienced engineers.

### **Pros and Cons of buying a SZLYAND S466/469 JQC3F T73 Coil Pins Mini SPST Power Relay (PCB Mount, 12V, 10pcs)**

1. **Compact and PCB-Mountable Design** The mini SPST (Single Pole Single Throw) relay is designed for surface-mount or through-hole PCB applications, saving space in small electronics projects. This is ideal for prototyping, DIY electronics, and embedded systems where board real estate is limited.

2. **12V Coil Voltage Compatibility** Operates reliably at 12V, making it suitable for common automotive, robotics, and low-voltage control systems. It avoids the need for additional voltage regulators or adapters in many applications.

3. **High Switching Capacity** The JQC3F series is rated for switching currents up to **10A (AC) or 5A (DC)** at 250V AC/30V DC, depending on the model variant (S466 vs. S469). This makes it versatile for controlling motors, LEDs, solenoids, and other low-to-medium power loads.

4. **Low Power Consumption** The coil draws minimal current (typically **

5. **Reliable Mechanical Lifespan** The JQC3F series is designed for **at least 10 million operations**, ensuring durability for long-term use in automation, alarms, or industrial control systems.

6. **Easy to Integrate** Comes in a **10-pack**, allowing for bulk use in multiple projects or spares. The coil pins are pre-wired, simplifying soldering and reducing assembly time.

7. **Commonly Available and Affordable** As a standard mini relay, it is widely stocked by distributors (e.g., AliExpress, Amazon, or electronics suppliers), making it cost-effective compared to custom or high-end relays.

8. **Compatibility with Microcontrollers** Works seamlessly with Arduino, Raspberry Pi, ESP8266, and other microcontrollers via GPIO pins, enabling automated switching in IoT or control systems.

9. **No Optocoupler Needed** Unlike some relays, this model does not require an optocoupler for isolation in most applications, simplifying circuit design.

10. **Good for Learning and Experimentation** Ideal for beginners learning about relays, switching circuits, or motor control due to its straightforward operation and availability.

---

1. **Limited Current Rating** While sufficient for many applications, the **5A (DC) or 10A (AC) limit** may be insufficient for high-power loads (e.g., large motors, high-wattage LEDs, or heavy-duty solenoids). For such cases, a higher-rated relay (e.g., 15A 20A) would be necessary.

2. **No Built-in Flyback Diode** The relay lacks an integrated flyback diode, which is critical for protecting the coil and microcontroller from voltage spikes when switching inductive loads (e.g., motors, transformers). Users must add an external diode (e.g., 1N4007) in parallel to the coil.

3. **Sensitive to Voltage Spikes** The coil and contacts may degrade faster if exposed to **power surges, reverse polarity, or excessive voltage**. A proper power supply with surge protection is recommended.

4. **Contact Bounce Issues** Like all mechanical relays, this model may experience **contact bounce** (brief multiple contacts when switching), which can cause glitches in sensitive circuits. Snubber circuits or software debouncing may be needed for precise applications.

5. **Not Hermetically Sealed** The relay is not fully sealed against dust, moisture, or corrosion, limiting its use in harsh environments (e.g., outdoor installations, high-humidity areas). For such cases, a **waterproof or metal-enclosed relay** would be better.

6. **Coil Resistance Variability** The coil resistance may vary slightly between units, affecting activation time and current draw. Testing individual relays may be necessary for critical timing applications.

7. **No Built-in Status Indicator** Unlike some relays with LED indicators, this model does not provide visual feedback on its state (open/closed), requiring external monitoring or wiring.

8. **Potential for Oxidation** Over time, the contacts may oxidize, increasing resistance and reducing reliability. Regular cleaning or using **gold-plated contacts** (if available) can mitigate this.

9. **Limited Temperature Range** The operating temperature range is typically **-25 C to 70 C**. Prolonged exposure to higher temperatures (e.g., in enclosed PCBs) may reduce lifespan.

10. **No Built-in Isolation for High Voltage** While suitable for low-voltage applications, it is **not designed for high-voltage isolation** (e.g., mains voltage). For safety-critical AC applications, a **high-voltage relay with proper insulation** is required.

---

The **SZLYAND S466/469 JQC3F T73 mini SPST relay (12V, PCB mount, 10pcs)** is a **cost-effective, space-saving, and versatile component** well-suited for **low-to-medium power control applications** in DIY electronics, robotics, automotive projects, and microcontroller-based systems. Its **12V compatibility, compact form factor, and reliability** make it a popular choice for hobbyists and small-scale professionals.

However, it is **not ideal for high-power, high-voltage, or harsh-environment applications** due to its **current limits, lack of built-in protection, and sensitivity to environmental factors**. Users should **supplement it with external components** (e.g., flyback diodes, snubbers) and **ensure proper circuit design** to maximize performance and longevity.

For **beginner-friendly projects, prototyping, or low-power switching**, this relay is an excellent choice. For **industrial, high-current, or safety-critical applications**, a more robust relay (e.g., with higher current ratings, better insulation, or built-in protection) should be considered.

---

- You need a **simple, affordable, and compact 12V relay** for **PCB-mounted projects**.

- Your application involves **switching currents under 10A (AC) or 5A (DC)**.

- You are working with **Arduino, Raspberry Pi, or other microcontrollers** for automation.

- You plan to **add external protection components** (flyback diode, snubber) for inductive loads.

- You require **high-current switching (e.g., >10A)** or **high-voltage isolation**.

- Your project operates in **harsh environments** (extreme temperatures, moisture, or dust).

- You need **precise switching without contact bounce** (consider solid-state relays or optocouplers).

- You are working with **mains voltage (110V/220V AC)** without proper safety measures.

- For **higher current**: **10A 20A SPST relays** (e.g., JQC series with higher ratings).

- For **harsh environments**: **Waterproof or metal-enclosed relays** (e.g., Omron G2R series).

- For **noise-sensitive applications**: **Solid-state relays (SSR)** or **MOSFET-based switches**.

- For **low-power signaling**: **Optocoupler-based relays** (e.g., PC817-based designs).

In summary, this relay is a **solid general-purpose choice** for many small-scale electronic projects, provided users account for its limitations and supplement it with necessary protective components.

Details:

Fast Delivery.

specifications dccsystemsacc:

• brand: Szliyands
• mpn: 466/469
• part type: Coil
• connector type: Plug-ln
• contact type: Spst
• current rating: 10 Amps
• mounting type: Plug In Mount
• operation mode: Automatic
• wattage: 120 Watts
• coil voltage: 12 Volts
• specification met: Ccc
• contact material: Silver

seller dccsystemsacc:

• # reviews: 3127
• city: Miami, Florida
• rating: 99.9%

shipping dccsystemsacc:

• transit: 3-8 Days
• class: Expedited
• cost: $0.00
• type: Fixed
• service: Expedited

offer dccsystemsacc:

• quantity: 1
• started: April 8, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home

general dccsystemsacc:

• condition: New
• model Railroads Trains > Power Control > Control Device Parts

payments dccsystemsacc:

• credit card: Mastercard
• other
• wallet: Apple-pay

returns dccsystemsacc:

• policy: No Returns