RF Connectors

I-PEX Micro RF Coaxial Connectors are ideal for 5G mmWave and Sub-6, 4G LTE, Wi-Fi, Bluetooth, GPS, WiGig, M2M, IoT, SigFox, WiSUN, NB-IoT and LoRa applications.
  1.  

AnchorMHF® is a series of ultra-miniature RF coaxial connectors for antenna connection within wireless devices that achieves maximum performance with minimal space. Compatible with various communication standards, such as 5G mmWave/Sub6, 4G, LTE, Wi-Fi, Bluetooth, GPS, WiGig, M2M, IoT, SigFox, WiSUN, NB-IoT and LoRa.

Product Name
MHF® I LK
MHF® I
MHF® 4L LK
MHF® 4L
MHF® 4
MHF® 5L
MHF® 5
MHF® 7S
MHF®-TI
Appearance
MHF_I_LK_mag MHF_I_mag MHF_4L_LK_mag MHF_4L_mag MHF_4_mag MHF_5L_mag MHF_5_mag MHF_7S_mag MHF-TI_mag
Maximum height (mm)
2.9
3.0
2.5
2.0
1.7
1.4
1.2
1.2
1.3
1.0
1.4
3.65
Frequency
DC-9 GHz
DC-12 GHz (MHF 4L Plug x MHF 4L Rece.), 
DC-9 GHz (MHF 4L Plug x MHF 4 Rece.)
DC-9 GHz
DC-15 GHz
DC-12 GHz
DC-15 GHz
DC-6 GHz
Full EMI Shield ZenShield®
-
-
-
-
-
-
-
-
Mechanical lock
-
-
-
-
-
-

 

 

Contents :


Why Select I-PEX RF Connectors?
1) Industry standard connector

2) Variety of options
- 2-1) RF Coaxial cable size variety
- 2-2) Mated height and pad layout
- 2-3) Mechanical lock
- 2-4) Ground clip and clamp

3) i-Fit® Technology
- 3-1) What is i-Fit® Technology?
- 3-2) i-Fit exceeds precision of solder
- 3-3) Industry adoption
- 3-4) Fully Automated Harness Solutions from I-PEX

Why Select I-PEX Switch Connector?

Accessories


 

AnchorWhy Select I-PEX RF Connectors?


AnchorAnchor1) Industry Standard Connector

Current Standards

I-PEX MHF® Series Connectors are standard components in a wide array of wireless devices including : smartphones, tablets, notebook M.2 and M2M modules, automotive infotainment systems, and more. As the Internet of Things (IoT) deployment accelerates, the MHF® Series will play an increasing role in global wireless connectivity. With MHF® connector shipments in excess of 25 billion units, I-PEX has consistently provided a robust, reliable and cost-effective solution for wireless design.

5G and Future Standards

SEO_FreqxHeight.jpg
List of compatible frequencies for I-PEX's micro RF coaxial connector series (MHF® series)

MHF® 7S solves 5G mmWave and sub-6 solutions. Large devices require long harnesses to transport signals.  Such devices include NBPC, Small Cell, and CPE applications. The 5G application ready MHF® 7S solves many of the unique challenges for connectors in 5G devices. I-PEX leads the way to enabling 5G innovation.

 

Wi-Fi 7, Wi-Fi /6E

Wi-Fi 7, Wi-Fi 6E has been extended to the 6 GHz band (5.925 to 7.125 GHz) in order to achieve higher speeds and higher capacity, improving stability when connecting multiple devices simultaneously and helping to save energy. Since MHF® I and MHF® 4L support up to 9 GHz and 12 GHz, Wi-Fi 6E and Wi-Fi 7 can be used in the same way as the existing Wi-Fi.

AnchorAnchor2) Variety of Options

AnchorAnchor2-1) RF Coaxial cable size variety

I-PEX offers a wide variety of MHF® options to fit insertion loss and VSWR requirements. This selection offers flexibility in enabling wireless connectivity within a system. Depending on MHF® type, coax outer diameters range from 0.48 mm (MHF® 5) to 3.0 mm (MHF®-TI). Typical insertion loss values by coax type and harness length, and minimum bend radius can be found below. 

Anchor

Harness Length (mm) vs Insertion Loss (S21) : 2.4 GHz, 5.8 GHz, 9.0 GHz, 12 GHz, 15 GHz

Harness Lenght vs Insertion Loss
Please refer to the product matrix file for cable insertion loss data at other frequencies.

 

Minimum Bend Radius
Coaxial O.D. 
(Center Conductor AWG)
3.00 mm (AWG#24)
2.80 mm (AWG#26)
2.00 mm (AWG#26)
1.80 mm (AWG#30)
1.37 mm (AWG#30)
1.32 mm (AWG#32)
1.13 mm (AWG#32)
0.95 mm (AWG#33)
0.81 mm (AWG#33)
0.81 mm (AWG#36)
0.64 mm (AWG#36)
0.48 mm (AWG#38)
Minimum Bend Radius
(90 degrees)
24.00
22.40
16.00
14.40
10.96
10.56
9.04
7.60
6.64
6.48
5.12
4.00

 

AnchorAnchor2-2) Mated height and pad layout

I-PEX's MHF Series has a selection of mated height profiles that can fit in various designs. From small form factors like phones and tablets to notebooks to robust solutions for shock and vibration environments. In addition to the flexibility of mated heights, the MHF® Series has several pad layouts design engineers can choose.

MHF Series  -Mating height / applicable Coaxial Cable / footprint pattern-
 Product Name
MHF® I LK
MHF® I
MHF® 4L LK
MHF® 4L
MHF® 4
MHF® 5L
MHF® 5
MHF® 7S
MHF®-TI
  Height_I_LK.JPG Height_I.JPG Height_4L_LK.JPG Height_4L.JPG Height_4.JPG Height_5L.JPG Height_5.JPG Height_7S.JPG Height_TI.JPG
Mating Height (Max.) (mm)
2.9
3.0
2.5
2.0
1.7
1.4
1.2
1.2
1.3
1.0
1.4
3.65
Applicable Coaxial Cable O.D. Size (mm) [AWG Size]
3.00
-
-
-
-
-
-
-
-
-
-
-
[24]
2.80
-
-
-
-
-
-
-
-
-
-
-
[26]
2.00
-
[26]
-
-
-
-
-
-
-
-
-
-
1.80
[30]
-
[30]
-
-
-
-
-
-
-
-
-
1.37
[30]
-
[30]
[30]
[30]
-
-
-
-
-
-
-
1.32
[32]
-
[32]
-
-
-
-
-
-
-
-
-
1.13
[32]
-
[32]
-
-
[32]
-
-
[32]
-
[32]
-
0.95
-
-
-
-
-
[33]
-
-
-
-
-
-
0.81
[36]
-
[36]
-
-
-
[36]
[36]
[33]
[36]
-
-
0.64
-
-
-
-
-
-
[36]
-
-
[36]
-
-
0.48
-
-
-
-
-
-
-
-
-
[38]
-
-
Footprint pattern (Reference) (mm)
footprint_sample
no ground, signal, resist in this area  
footprint_pattern_MHFI
MHF® I Rece.
footprint_pattern_MHF4
MHF® 4/4L Rece.
footprint_pattern_MHF5
MHF® 5/5L Rece.
footprint_pattern_MHF7S
MHF® 7S Rece.
MHF-TI_rece
MHF®-TI Rece.

 

AnchorAnchor2-3) Mechanical lock

MHF I LK GIF
Play full MHF® I LK video
The MHF® I LK and MHF® 4L LK from I-PEX are industry firsts. The addition of the lock to the standard MHF® I and MHF® 4L plugs increases the retention force. This technology is suited for applications where maintaining continuous connectivity is essential such as drones, fleet management, asset tracking, security, and personnel monitoring. Having the locking function in two MHF® sizes, MHF® I LK and MHF® 4L LK, design engineers have flexibility to choose across size and performance to suit an assortment of devices and form factors. 

 

Disengagement force comparison
mechanical lock graph 1
MHF I LK vs MHF I
mechanical lock graph 2
MHF 4L LK vs MHF 4L

 

Anchor2-4) Ground clip and clamp

SMT clip GIF
Play full MP-A SMT clip video
I-PEX offers a PCB clip and clamp system:  MP-A. The clip can be used for cable routing, typically without the clamp. Or, with the clamp, RF engineers receive an added benefit of EMI suppression that benefits EMC testing requirements for regulatory compliance.

 

 
 Grounding clamp
3 mm length
 Grounding clamp
6 mm length
 
 Clip for rounding clamp
MP-A series
Appearance
(Reference)
clamp 3mm clamp 6mm clamp MP-A
Coax O.D.
(Center Conductor AWG)
1.37 mm (30)
● MP-A04 (P/N 3224-0001)
1.13 mm (32)
● MP-A02 (P/N 3182-0001)
0.81 mm (36)
● MP-A01 (P/N 3096-0001)
0.64 mm (36)
● MP-A03 (P/N 3186-0001)

 

Electric Field Simulations: MHF® 7S harness with cable clamp and clip provides optimal EMC solution. Ideal for 5G mmWave applications.

Electric_Field_Simulations.jpg EMC_temp

EMC_7S_Harness.jpg

MHF® 7S Harness

EMC_ClampClip.jpg

Clamp & Clip points
 

AnchorAnchor3) i-Fit® Technology

AnchorAnchor3-1) What is i-Fit® Technology?

i-Fit GIF
Play full i-Fit technology video
I-PEX's i-Fit solderless terminating technology is the core of the MHF® connector series. Simple and scalable, i-Fit enables MHF® harnesses to have consistent performance values within a tight range.
The repeatability enables efficient system integration due to low variability from harness to harness.
i-Fit cross-section

 

AnchorAnchor3-2) i-Fit exceeds precision of solder

I-PEX's i-Fit solderless terminating technology vs. solder termination outperforms in a side-by-side VSWR comparison. Solder processes introduce variability and inconsistency from harness-to-harness. The i-Fit method removes the variability of solder thereby increasing the repeatability and precision of electrical performance.

i-Fit® offers consistently tight range of performance

i-Fit® offers consistently tight range of performance
VSWR S11 Histogram

 

AnchorAnchor3-3) Industry adoption

MHF Assembly Jig

I-PEX's i-Fit technology has enabled antenna and harness makers to have the ability to terminate MHF® products in local production facilities. 
With over 1,000 termination machines in the field, more than 100 customers produce MHF® harnesses and antennas ensuring quality when using genuine MHF® components.

 

AnchorAnchor3-4) Fully Automated Harness Solutions from I-PEX

I-PEX sells completed MHF® harnesses in multiple configurations MHF®-to-MHF®, blunt cut, strip and tinned. Other value-added options include orientation in 90-degree increments, jacket cut-outs or windows for grounding, adding MP-A clamps or a secondary process at the customer's facility. 
I-PEX specializes and leads in high-speed automated MHF® harness production. Using custom Fully Automated Machines (FAM), I-PEX FAMs will cut, strip, crimp, check orientation, and perform mechanical and electrical checks. Completing tens of thousands of harnesses per day, I-PEX MHF® automated equipment have unparalleled Defects Per Million Opportunities (DPMO) of less than 1.

Harness solution

 

AnchorAnchorWhy Select I-PEX Switch Connector?


Industry Leading Innovations

MHF-SW23-GIF The I-PEX MHF®-SW23 provides a critical test point for RF and wireless applications. The MHF®-SW23 has a standard size available : 2.3 x 2.3 mm. Typically, a drop-in replacement with compatible land patterns, the MHF®-SW23 is robust and reliable. Switching operation utilizing I-PEX's contaminant resistant contact ensures electrical contact is made while the switch is engaged by the probe for testing.
We also provide MHF®-SW23 plug which can mate with MHF®–SW23. This option support 
flexibility to choose between an on-board antenna or an external antenna without changing the board design.
 

 

RF Switch connector options

On-board antenna External antenna
SW23 on board antenna SW23 plug external antenna
SW23 SW23PLUG
MHF®-SW23 (RF switch)
MHF®-SW23 PLUG & MHF®-SW23

Learn more with video: https://www.i-pex.com/library/video/mhf-sw23-plug

SW23 PLUG video

Anchor

AnchorAccessories


I-PEX offers MHF® accessories to support test needs from the lab to high volume production. MHF® adapters for VNA testing, lab probes, and high-volume test probes are available. Additionally, I-PEX offers MHF® mating and unmating tools to properly mate the plug and limit accidental damage during installation in the lab and on the production floor.

 

SMA Adapters for MHF® Plugs

Type
For electrical performance check
For voltage check
Appearance
(Reference)
SMA_adapter_for_MHF_PLUG_1 SMA_adapter_for_MHF_PLUG_2 SMA_adapter_for_MHF_PLUG_3
Durability (cycles)
3 K
10 K
MHF® I, I LK Plug
90193-001
-
90194-001
MHF® 4, 4L, 4L LK Plug
-
90449-001
90449-003-01
MHF® 5, 5L Plug
90543-0001
-
90586-0001
MHF® 7S Plug
91255-0001
-
91245-0001

 

SMA Adapters for MHF® Receptacles

Type
For electrical performance check
High cycle series
Normal
Narrow pitch
Detachable
Probe
Adaptor cable
(Attach to probe)
Probe
Adaptor base
(Attach to probe)
Probe
Appearance
(Reference)
SMA_adapter_for_MHF_RECE_1 SMA_adapter_for_MHF_RECE_2 SMA_adapter_for_MHF_RECE_3 SMA_adapter_for_MHF_RECE_4 SMA_adapter_for_MHF_RECE_5 SMA_adapter_for_MHF_RECE_6
Durability (cycles)
500
10 K
100
10 K
200 K
10 K
MHF® I Receptacle
90193-002
90539-001
90577-0100
(Cable: 100 mm)
 
90577-0350
(Cable: 350 mm)
 
90575-0001
90684-0001
90416-001
MHF® 4, 4L Receptacle
90449-002
90698-0001
90576-0001
90683-0001
MHF® 5 Receptacle
90543-0002
90793-0001
90847-0001
90690-0001
MHF® 7S Receptacle
91256-0001
-
91197-0300
91145-0001
-
-

 

MHF® Accessories: Hand Tool

Type
Mating/Unmating
Tool
Unmating Tool
Mating Tool
Mating/Unmating Tweezer
Locking/Unlocking
Tool
Unlocking Tool
Appearance
(Reference)
Hand_tool_1 Hand_tool_2 Hand_tool_3 Hand_tool_4 Hand_tool_5 Hand_tool_6 Hand_tool_7 Hand_tool_8
MHF® I Plug
90224-0001
90885-0001(*)
90192-001
-
-
-
-
-
-
MHF® I LK Plug
-
-
-
-
91026-0001
-
91492-0001
-
MHF® 4 Plug
90435-001
-
-
90482-001
-
-
-
-
MHF® 4L Plug
90609-0001(**)
90873-0001(***)
-
-
90616-0008
90615-0013
-
-
-
-
MHF® 4L LK Plug
-
-
-
-
-
91166-0001
91493-0001
-
MHF® 5 Plug
90612-0001
-
90624-0001
-
-
-
-
-
MHF® 7S Plug
91186-0001
-
-
-
-
-
-
-
MHF®-TI Plug
-
-
-
-
-
- -
91097-0001
 Note
(*): 90885-0001 is for 20767-001R
(**): 90609-0001 is for 20572-001R-08 and 20565-001R-13
(***): 90873-0001 is for 20632-001R-37

 

MHF® Accessories: RF Switch

SMA Adapters for MHF® Switch

Type
Cable probe
High cycle series
Friction lock
Normal probe
Floating probe
Appearance
(Reference)
SMA_adapter_for_MHF_Switch_1 SMA_adapter_for_MHF_Switch_2 SMA_adapter_for_MHF_Switch_3
Durability (cycles)
1 K
10 K
200 K
MHF®-SW23
90582-0300
(Cable: 300 mm)
90582-0400
(Cable: 400 mm)
90604-0001
90605-0001

 

 

 


In addition to I-PEX's offering of industry first and standard solutions, I-PEX solutions provide cost savings, productivity benefits and quality assurances exemplifying perfection in precision. Building on this philosophy I-PEX has pioneered low-cost high-volume connector designs for 5G applications. As new bands become commercialized for 5G, I-PEX is leading the way to quality high-frequency solutions to suit the ever-increasing demand for smaller and faster connector solutions.

I-PEX is always eager to work on unique customized solutions. Please inquire here to discuss design requirements.