PASTERNACK 187-253A-6 Atm Wave Female Connector WR-187

( Brand: Pasternack ), ( Manufacturer Part Number: 187-253A-6 ), ( Type: Adapter ), ( Country Of Origin: United States )

Review PASTERNACK Atm Wave Guide To Type Female Connector

The Pasternack **187-253A-6 ATM WR-187 Wave Female Connector** is a high-performance, precision-engineered RF/microwave coaxial connector designed for demanding applications requiring exceptional signal integrity, durability, and reliability. Part of Pasternack s renowned **WR-187 waveguide series**, this connector is specifically engineered to handle high-power, high-frequency signals in the **WR-187 waveguide band**, which spans frequencies from **3.95 GHz to 5.85 GHz**, making it ideal for radar systems, satellite communications, military aerospace, and advanced test and measurement equipment. Constructed from **high-purity oxygen-free copper (OFC)**, the connector ensures superior conductivity and minimizes signal loss, while its **gold-plated contacts** (typically 24K gold, though plating thickness may vary by specification) provide corrosion resistance and maintain consistent impedance performance over extended use. The robust **waveguide-to-coaxial transition** is designed with a **flared, precision-machined interface** that ensures a secure, repeatable connection with minimal reflections, critical for maintaining signal purity in high-frequency applications. The **female WR-187 waveguide port** features a **smooth, tapered waveguide section** that aligns seamlessly with standard WR-187 waveguide components, reducing the risk of misalignment or signal degradation. The **coaxial output** is equipped with a **7/16" threaded nut interface**, compatible with a variety of coaxial cables and adapters, including those adhering to **SMA, TNC, or N-type standards**, depending on the mating connector used. This connector is particularly well-suited for applications where **high-power handling** is required, as its robust construction can withstand **continuous power ratings up to 1000 watts** (depending on operating conditions and environmental factors) without compromising performance. Additionally, its **weatherproof design** and **sealed construction** make it suitable for outdoor or harsh-environment deployments, where exposure to moisture, dust, or temperature fluctuations could otherwise degrade performance. Whether integrated into **radar systems, telecommunication infrastructure, or scientific research equipment**, the Pasternack **187-253A-6** delivers a balance of **mechanical robustness, electrical precision, and long-term reliability**, ensuring optimal signal transmission in even the most demanding microwave applications.

### **Pros and Cons of buying a Pasternack 187-253A-6 (ATM WR-187 Waveguide Female Connector)**

1. **High-Frequency Performance** The WR-187 waveguide connector is designed for use in the **8.2 12.4 GHz frequency range**, making it suitable for high-speed data transmission, radar systems, and microwave applications. Its low insertion loss and high return loss ensure minimal signal degradation.

2. **Durability and Reliability** Waveguide connectors are built to withstand harsh environments, including extreme temperatures, vibration, and moisture. The Pasternack brand is known for robust, long-lasting components, reducing the risk of frequent failures.

3. **Precision Engineering** The connector features a **precision-machined flange** and **tight-sealing design**, ensuring a secure and consistent connection. This minimizes signal leakage and maintains signal integrity over time.

4. **Compatibility with WR-187 Waveguide Systems** This connector is specifically designed for **WR-187 waveguide systems**, meaning it will integrate seamlessly with other components in the same waveguide family (e.g., attenuators, filters, and amplifiers).

5. **Good Return Loss** The connector is engineered to provide **low reflection**, which is critical in high-frequency applications where signal reflections can cause interference or signal distortion.

6. **Easy Installation** While waveguide connectors require careful alignment, Pasternack provides clear mounting instructions, and the design is straightforward for experienced technicians. The threaded flange ensures a secure fit.

7. **Wide Industry Use** This connector is commonly used in **military, aerospace, satellite communications, and industrial testing**, making it a trusted choice for professional applications.

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1. **High Cost** Waveguide connectors are generally more expensive than coaxial connectors due to their complex manufacturing process and materials. The Pasternack 187-253A-6 is no exception, which may be a drawback for budget-conscious projects.

2. **Requires Precision Handling** Unlike coaxial connectors, waveguide connectors must be **aligned perfectly** to avoid signal loss or damage. Misalignment can lead to poor performance or even connector failure.

3. **Bulkier and Heavier** Waveguide systems are inherently larger and heavier than coaxial counterparts, which may limit their use in space-constrained applications.

4. **Limited Frequency Range** This specific connector is optimized for **8.2 12.4 GHz**. If your application operates outside this range, you would need a different waveguide size (e.g., WR-137 for lower frequencies or WR-112 for higher frequencies).

5. **Specialized Knowledge Required** Proper installation and troubleshooting often require **experience with waveguide systems**, which may not be available in all engineering teams.

6. **Potential for Corrosion** If not properly sealed or maintained, waveguide connectors can be susceptible to **corrosion in humid or outdoor environments**, affecting long-term performance.

7. **Limited Availability of Replacement Parts** Unlike common coaxial connectors, finding replacement gaskets, flanges, or seals for waveguide connectors can be challenging, potentially leading to downtime if a component fails.

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### **Conclusion**

The **Pasternack 187-253A-6 (WR-187 Waveguide Female Connector)** is an excellent choice for **high-frequency applications requiring reliability, low signal loss, and durability**. Its precision engineering and compatibility with WR-187 systems make it ideal for **military, aerospace, and industrial microwave applications**. However, its **high cost, bulkiness, and requirement for precise installation** may not make it suitable for all projects, particularly those with tight budgets or limited space.

If your application **operates within 8.2 12.4 GHz, requires robust performance in harsh conditions, and can accommodate the size and cost**, this connector is a strong recommendation. For lower-frequency or cost-sensitive applications, a **coaxial connector (e.g., SMA, N-type, or TNC)** may be a more practical alternative.

- **Buy if:** You need a **high-performance, low-loss waveguide connector** for **8.2 12.4 GHz applications** (e.g., radar, satellite comms, industrial testing) and can justify the cost and installation complexity.

- **Avoid if:** Your budget is limited, the application requires a smaller form factor, or you lack experience working with waveguide systems.

- **Alternative Consideration:** If waveguide is unnecessary, evaluate **coaxial connectors** (e.g., **WR-137 or WR-112 waveguide alternatives** if frequency allows) or **high-quality coaxial connectors** (e.g., **Amphenol, LEMO, or MTS**) for a more cost-effective solution.

Details:

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Sky craft Parts Surplus, Orlando, FL, Specializing in surplus electronic, components and parts for over 40 years. Condition: Used, removed from service in working condition. Connector Gender: Female / Jack. Wave guide WR: WR187.

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part #: 187253a6 prices

• $16.95-$104.39

specifications coaxcabl:

• brand: Pasternack
• mpn: 187-253a-6
• type: Adapter
• country of origin: United States

shipping coaxcabl:

• cost: $0.00
• service: Standard
• class: Standard
• type: Fixed
• transit: 3-7 Days

offer coaxcabl:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: March 2, 2026
• quantity: 1

seller coaxcabl:

• # reviews: 18466
• rating: 99.6%
• city: Orlando, Florida

payments coaxcabl:

• wallet: Paypal
• credit card: Diners-club
• other

general coaxcabl:

• Radio Communication > Parts Accessories > Coax Cables Connectors
• condition: Used

returns coaxcabl:

• method: Money back
• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

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