Overview
The SMB interface features a snap-on coupling mechanism and is available in 50 ohm configurations. It meets the requirements of MIL-C-39012 and complies with MIL-STD-348 standards. SMB connectors provide broadband performance with low reflection from DC to 4 GHz, with extended capability up to 10 GHz for application ,Robotics and industrial automation requiring RF links . They are offered in various materials, including die-cast options in non-critical areas, delivering a reliable yet cost-effective solution.
Features
Available with various plating options, including nickel, gold, and tin-lead.
Snap-on mating enables quick connection and disconnection, reducing installation time.
SMB PCB slide-on plugs and jacks allow easy board-to-board mounting with minimal insertion force.
Applications
Specification
Cable Type | RG174 |
| Body Plating | Gold |
| Body Material | Brass |
| Contact Plating | Gold |
| Contact Material | Phosphor bronze |
| Insulator Material | PTFE |
| Contact Termination | Crimp |
| Coupling Mechanism | Push-on |
HS Code | 8636909000 |
Frequency (Max GHz) | 4 |
Gender | Male/Female |
Impedance (Ohms) | 50 |
Size Category | Miniature |
Orientation | Straight |
Temperature Range | -65 to 165 ° C |
Mating Cycles | 500 Min |
Interface Specification | MIL-STD-348 IEC 60169-10 |
FAQ
Sample Delivery Time
Regular models require 15 days, while some complex connectors require 25 days.
Sample Fee
Most RF connectors are CNC-machined parts and do not require mold-making.
However, each part needs to be fine-tuned on the CNC machine. Typically, a single sample costs $200.
This fee will be refunded after a 5K bulk order.
Guarantee
Brass RF connectors come with a one-year warranty.
Stainless steel connectors come with a three-year warranty.
The lifespan also depends on the contact material beryllium contacts offer better durability.
ROHS & REACH Compliance
Our products fully comply with ROHS & REACH regulations.
Does LENORF Offer Military-Grade Products?
Yes. We are honored to provide military-grade products with exceptionally stable quality.
MOQ (Minimum Order Quantity)
Regular connectors: 500 PCS
Adapters: 100 PCS
Military connectors: 100 PCS
Materials
Common materials include:
Body: Brass, stainless steel
Insulator: PTFE, PEEK
Contacts: Brass, phosphor bronze, beryllium copper
Other: Aluminum, titanium alloy
What is the lifespan of an RF connector?
Connector durability is rated in mating cycles: General-purpose connectors (BNC, SMA): 500 cycles. Precision connectors (2.92 mm, 2.4 mm): 500 cycles or less. Rugged telecom connectors (N, 7/16 DIN): 500 cycles.
Can RF connectors be reused?
Yes, but performance degrades with wear. Precision connectors (used in test equipment) should be handled carefully - damage to threads or pins increases VSWR and insertion loss.
What is the difference between threaded, bayonet, and push-on RF connectors?
Threaded (SMA, N, TNC): Secure, vibration-resistant. Bayonet (BNC): Quick connect/disconnect. Push-on (MCX, SMP): Ultra-fast, compact, used in high-density modules.
Are RF connectors interchangeable between brands?
Yes, if they follow the same standard (e.g., SMA-to-SMA). However, tolerances, plating, and dielectric quality vary — mixing low-quality and precision connectors can damage equipment.
