433 MHz Flexible Antenna Spring Antenna

433 MHz Flexible Antenna Spring Antenna Specification

Rated Temperature
-40°C to +80°C (typical)

Conductor Type
Single wire

Core Material
Copper

Features
Flexible, high efficiency, spring design, easy installation, base-free mount, sturdy construction

Operating Temperature
-40°C to +80°C

Usage & Applications
433 MHz wireless transmission, RF modules, sensors

Diameter
Approx 7 mm

Weight
Approx 2 g

Cable Type
Antenna, not cable

Insulation
No external insulation

Core Number
1

Conductor Shape
Spiral (spring form)

Impedance
50 Ohms

Number of Conductor
1

Install Type
Through-hole soldering

Product Type
433 MHz Flexible Spring Antenna

Length
Approx 38 mm

Voltage
50 V Max

Insulation Material
None (open coil design)

Application
Wireless module, IoT devices, RFID, remote control, data transmission, telemetry

Conductor Material
Copper

Jacket Material
None (open coil design, no external jacket)

Storage Temperature
-40°C to +100°C (typical)

Connector Color
None (bare wire interface)

Shield Material
None (not shielded)

Jacket Color
None (open spring design)

Dimension (L*W*H)
38mm (L) x 7mm (D) (approximate)

Material
Copper (with or without tin plating)

Color
Metallic (Copper/Gold

Size
38mm x 7mm (approx.)

Mounting Method
Direct PCB mount, soldering

Gain
2.15 dBi (typical)

Storage Humidity
5~95% RH

Humidity Range
0-95% RH (non-condensing)

RoHS Compliant
Yes

Maximum Power
10W

Polarization
Linear

Customizable Length
Yes

VSWR
Less than 2.0

Antenna Type
Helical Spring Antenna

Frequency Range
433 MHz ±2%

433 MHz Flexible Antenna Spring Antenna Trade Information

Minimum Order Quantity
5 Pieces

Main Domestic Market
All India

About 433 MHz Flexible Antenna Spring Antenna

Description:315/433MHz Antenna,Male,Straight,Standard,forPCB,3dBi,WiFi/WLAN

315/433MHz Antenna,Male,Straight,Standard,for PCB,3dBi,WiFi/WLAN
Used to transmit and receive electromagnetic wave in Wireless deverice with stable signal and low loss;
Applied to wireless communication, radio, TV, radar, remote control fields;
Multi mode and specification for choice;
From the OEM Original Factory, same quality with much better price.

Optimized for 433 MHz Applications

This helical spring antenna is purpose-built for 433 MHz wireless systems, enabling efficient data transmission in IoT modules, RF sensors, and telemetry devices. Its flexible, open-coil design and compact size integrate seamlessly with PCB layouts, making it fit for rigorous environments and diverse applications.

Effortless PCB Mounting and Installation

Designed for direct soldering onto the PCB, installation of the antenna is quick and simpleno need for additional connectors or mounting bases. Its resilient spring form not only withstands mechanical stress but also adapts easily to various device housings, ensuring secure placement and consistent signal quality.

Reliable Performance in Tough Conditions

Constructed with high-purity copper, the antenna delivers stable RF performance and supports up to 10W of power, all while operating reliably between -40C and +80C. Its open-coil structure allows use without external insulation, and RoHS compliance assures environmental safety for global market applications.

FAQs of 433 MHz Flexible Antenna Spring Antenna:

Q: How do I mount the 433 MHz spring antenna onto my PCB?

A: The antenna is designed for direct PCB mounting using through-hole soldering. Simply insert the antennas lead into the appropriate PCB hole and solder it in place for a secure electrical and mechanical connection.

Q: What applications are best suited for this helical spring antenna?

A: This antenna is optimal for 433 MHz wireless modules, IoT devices, RFID systems, remote controls, sensors, data transmission, and telemetry equipment. Its robust design and flexibility make it suitable for both prototyping and production environments.

Q: What are the benefits of the flexible spring design?

A: The spring design offers notable flexibility, allowing the antenna to absorb mechanical shocks and fit into compact or irregular enclosures. Additionally, it eliminates the need for a base mount, streamlining installation and reducing component cost.

Q: Can the antenna be customized in length for specific requirements?

A: Yes, the length of the antenna is customizable to suit particular frequency tuning or enclosure size requirements. Customization can help optimize signal performance for specific applications.

Q: Is this antenna compliant with safety and environmental standards?

A: Yes, the antenna is RoHS compliant, ensuring it is free from hazardous substances and suitable for use in environmentally conscious applications globally.

Q: What environmental conditions can the antenna withstand?

A: It operates effectively in temperatures from -40C to +80C and can be stored at up to +100C. It also tolerates 0-95% relative humidity (non-condensing), making it reliable for demanding industrial settings.