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KH-SMA-KE-Z: A Cost-Effective Alternative to TE Connectivity 5-1814832-2 SMA PCB Jack
2025-12-30 40

In RF and wireless PCB design, straight SMA PCB jacks are widely used for antenna connections, RF modules, and cable-to-board interfaces. TE Connectivity 5-1814832-2 is a commonly specified vertical SMA jack for commercial RF applications. However, for many projects, its cost can become a limiting factor—especially in medium- to high-volume production.

Kinghelm KH-SMA-KE-Z offers a functionally equivalent and cost-efficient alternative, providing reliable SMA performance while significantly reducing BOM cost.

 

Overview of TE Connectivity 5-1814832-2

The TE 5-1814832-2 is a straight (vertical) SMA female PCB jack designed for cable-to-board RF connections in commercial electronics.

Key specifications:

RF interface: SMA (Jack)

Mounting orientation: Vertical PCB mount

Termination: Through-hole soldering

Characteristic impedance: 50 Ω

Frequency range: DC–3 GHz

Coupling mechanism: Threaded

Dielectric: PTFE

Housing: Zinc alloy, gold plated

Operating temperature: -55°C to +85°C

This connector is commonly used in RF communication boards, antenna interfaces, and wireless modules where standard SMA compatibility is required.

Introducing Kinghelm KH-SMA-KE-Z

 

The KH-SMA-KE-Z is Kinghelm’s straight SMA PCB jack, developed to meet standard SMA mechanical and electrical requirements while offering improved cost efficiency and stable supply.

Key features of KH-SMA-KE-Z:

RF interface: SMA Jack

Mounting orientation: Vertical PCB mount

Termination: Through-hole

Characteristic impedance: 50 Ω

Dielectric: PTFE

Housing material: Brass, gold plated

RoHS compliant materials

Designed for commercial and industrial RF applications

The connector follows standard SMA dimensions, ensuring compatibility with existing SMA cables and mating connectors.

TE 5-1814832-2 vs. KH-SMA-KE-Z

Parameter

TE 5-1814832-2

Kinghelm KH-SMA-KE-Z

Interface

SMA Jack

SMA Jack

Mounting

Vertical PCB

Vertical PCB

Termination

Through-hole solder

Through-hole solder

Impedance

50 Ω

50 Ω

Frequency Range

DC–3 GHz

DC–3 GHz (typical RF use)

Dielectric

PTFE

PTFE

Housing Material

Zinc Alloy, Gold Plated

Brass, Gold Plated

Operating Temperature

-55°C to +85°C

Commercial / industrial RF designs

Compliance

Commercial Grade

RoHS compliant

Result: KH-SMA-KE-Z meets the functional and mechanical requirements of TE 5-1814832-2 for standard SMA PCB applications.

Clear Cost Advantage

Pricing is where KH-SMA-KE-Z shows a decisive advantage.

Market pricing comparison (LCSC):

TE 5-1814832-2: USD 0.79 – 1.43 (depending on quantity)

Kinghelm KH-SMA-KE-Z: USD 0.33 – 0.59 (depending on quantity)

This translates to 40–60% cost savings, making KH-SMA-KE-Z an excellent option for:

Cost-sensitive designs

Mass production projects

Alternative sourcing and second-source strategies

Typical Applications

KH-SMA-KE-Z can be used in the same application scenarios as TE 5-1814832-2, including:

Antenna connections on RF PCBs

Wireless communication modules

IoT devices and gateways

RF test and measurement boards

Industrial and commercial communication equipment

Its standard SMA interface ensures easy integration into existing designs.

A Practical Alternative for RF Designers

For engineers and purchasing teams seeking a reliable, compatible, and budget-friendly alternative to TE Connectivity 5-1814832-2, Kinghelm KH-SMA-KE-Z delivers a balanced solution. It offers standard SMA performance, solid materials, and consistent quality—while helping reduce overall system cost.

KH-SMA-KE-Z is a smart choice for modern RF designs that demand both performance and cost efficiency.

 


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