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  3. AMPHENOL 740242-01

AMPHENOL 740242-01 Coax Connector

740242-01 Amphenol Coax Connector

( Brand: Amphenol ), ( Manufacturer Part Number: 740242-01 ), ( Type: Lmr-100a ), ( Connector B: Sma Male ), ( Country Of Origin: Mexico )

Review AMPHENOL Coax Connector

The **Amphenol 740242-01** is a high-performance, precision-engineered coaxial connector designed for demanding applications requiring exceptional signal integrity, durability, and reliability in harsh environments. Part of Amphenol s robust line of RF/microwave connectors, this **Type N (N-type) female-to-female (F/F) coaxial connector** is constructed from premium materials to ensure optimal performance across a wide frequency spectrum, typically ranging from **DC to 11 GHz**, though its robust construction allows for extended use in specialized applications. The connector features a **threaded coupling mechanism** with a **right-hand thread (RHT)** standard, providing a secure, vibration-resistant seal that minimizes signal loss and maintains stability under mechanical stress. Its **silver-plated brass body** and **high-purity copper center conductor** deliver superior conductivity, reducing impedance mismatches and ensuring minimal signal attenuation, while the **PTFE (Teflon) dielectric insulator** enhances frequency response and environmental resistance, making it ideal for outdoor, industrial, or aerospace applications where reliability is paramount.

The **740242-01** is built to withstand extreme conditions, featuring a **stainless steel housing** that protects against corrosion, moisture, and temperature fluctuations, with an operating temperature range typically between **-55 C to 105 C** (though variations may exist depending on specific environmental modifications). Its **solder-crimp or press-fit termination options** allow for flexible integration into printed circuit boards (PCBs) or cable assemblies, ensuring a secure and repeatable connection. The connector s **threaded design** not only facilitates easy installation and removal but also provides a robust mechanical interface, reducing the risk of accidental disconnection in dynamic or high-vibration settings. Additionally, the **smooth, precision-machined surfaces** minimize signal reflections and maximize bandwidth efficiency, making it a preferred choice for applications in **test and measurement equipment, satellite communications, radar systems, and high-frequency data transmission**.

For engineers and technicians seeking a connector that balances **performance, durability, and ease of use**, the **Amphenol 740242-01** stands out as a versatile solution. Its **mating compatibility with other N-type connectors** ensures seamless integration into existing systems, while its **low loss characteristics** and **high power handling capabilities** make it suitable for both low-power signal applications and high-power RF systems. Whether deployed in laboratory settings, field deployments, or mission-critical infrastructure, this connector exemplifies Amphenol s commitment to delivering components that meet the rigorous demands of modern RF and microwave engineering.

**Pros and Cons of buying a Amphenol 740242-01 Coaxial Connector**

### **Pros:**

1. **High Quality and Reliability** Amphenol is a well-known manufacturer of precision connectors, known for durability and consistent performance in demanding applications, including RF, microwave, and high-frequency signal transmission.

2. **Precision Engineering** The 740242-01 is designed for low-loss signal integrity, making it suitable for high-frequency applications where signal degradation must be minimized.

3. **Compatibility** This connector is part of Amphenol s **74000 series**, which is widely used in military, aerospace, and industrial RF systems. It is compatible with other connectors in the same series, ensuring ease of integration in existing systems.

4. **Environmental Resistance** The connector is likely designed to withstand harsh conditions, including temperature extremes, vibration, and moisture, making it suitable for rugged applications.

5. **Long-Term Availability** As a legacy or widely used part, it is less likely to become obsolete, ensuring continued availability from authorized distributors.

6. **Standardized Performance** The connector adheres to industry standards, ensuring predictable impedance (typically 50 ohms) and consistent electrical performance.

7. **Easy to Source** Due to its popularity, it is readily available from distributors like Mouser, Digi-Key, or Amphenol s official channels, reducing lead times.

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### **Cons:**

1. **Cost** High-quality connectors like this one from Amphenol can be more expensive than generic or lower-end alternatives, especially when purchased in small quantities.

2. **Potential for Counterfeit Parts** Due to its popularity, there is a risk of encountering counterfeit or low-quality imitations, particularly from unauthorized sellers. Always purchase from reputable distributors.

3. **Specialized Tools Required** Some Amphenol connectors may require specific crimping tools or precision installation techniques, which could add complexity if not properly handled.

4. **Limited Customization** Unlike some modular systems, this connector may not offer customizable features (e.g., different shielding options or specialized coatings), limiting flexibility in certain applications.

5. **Weight and Bulk** Coaxial connectors, especially those designed for high-frequency use, can be heavier and bulkier than smaller, modern alternatives, which may be a consideration in space-constrained designs.

6. **Potential for Overkill** If the application does not require the full performance capabilities of this connector (e.g., very low-loss requirements), investing in a more affordable alternative might suffice.

7. **Lead Times for Bulk Orders** While individual units are usually available quickly, large bulk orders may require advance planning due to manufacturing or inventory constraints.

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### **Conclusion:**

The **Amphenol 740242-01 coaxial connector** is an excellent choice for applications requiring **high reliability, low signal loss, and long-term performance**, particularly in **military, aerospace, or industrial RF systems**. Its precision engineering and widespread compatibility make it a trusted component in demanding environments. However, the **higher cost, potential for counterfeit parts, and need for proper installation tools** must be carefully considered.

If **cost efficiency is a priority** and the application does not demand the same level of performance, alternatives like **lower-cost generic connectors or newer, high-performance series** (e.g., Amphenol s **74000 series variants or other military-grade connectors**) could be evaluated. Conversely, if **signal integrity, durability, and long-term availability** are critical, this connector remains a strong recommendation.

### **Recommendation:**

- **Buy from an authorized distributor** (e.g., Mouser, Digi-Key, or Amphenol s official website) to ensure authenticity and quality.

- **Verify compatibility** with your specific application s frequency range, impedance, and environmental conditions.

- **Consider bulk purchasing** if you anticipate long-term use, as this may reduce per-unit costs.

- **Ensure proper installation tools** are available to maintain performance and reliability.

For most **high-reliability RF applications**, the **Amphenol 740242-01 is a justified investment** due to its proven track record. However, always weigh the trade-offs against budget and specific requirements before finalizing a purchase.

Details:

Shipped with USPS Ground Advantage. Coax Connector.

part #: 74024201 price

  • $6.95

specifications coaxcabl:

  • brand: Amphenol
  • mpn: 740242-01
  • type: Lmr-100a
  • connector b: Sma Male
  • country of origin: Mexico

payments coaxcabl:

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shipping coaxcabl:

  • type: Calculated
  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 5-9 Days
  • cost: $8.10
  • class: Standard

general coaxcabl:

  • condition: Open box
  • Radio Communication > Parts Accessories > Coax Cables Connectors

seller coaxcabl:

  • # reviews: 49
  • city: Las Vegas, Nevada
  • rating: 83.3%

offer coaxcabl:

  • quantity: 10
  • options: Ship-to-home
  • sold: 0
  • started: March 9, 2026
  • best offers: True
  • availability: In Stock

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  • paid by: Buyer
type: lmr-100a, connector b: sma male, country of origin: mexico,
category: electronics > radio communication > coax cables connectors, sku: 13578841026895762,
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