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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:
l RF interface: SMA (Jack)
l Mounting orientation: Vertical PCB mount
l Termination: Through-hole soldering
l Characteristic impedance: 50 Ω
l Frequency range: DC–3 GHz
l Coupling mechanism: Threaded
l Dielectric: PTFE
l Housing: Zinc alloy, gold plated
l 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:
l RF interface: SMA Jack
l Mounting orientation: Vertical PCB mount
l Termination: Through-hole
l Characteristic impedance: 50 Ω
l Dielectric: PTFE
l Housing material: Brass, gold plated
l RoHS compliant materials
l 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):
l TE 5-1814832-2: USD 0.79 – 1.43 (depending on quantity)
l 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:
l Cost-sensitive designs
l Mass production projects
l 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:
l Antenna connections on RF PCBs
l Wireless communication modules
l IoT devices and gateways
l RF test and measurement boards
l 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.



