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IDC Feed Through with Polarizing Tabs Connector M2050-N-C-R(180°)

HRB M2050 series 180° feedthrough IDC connector features polarizing anti-misplug tabs, 2.54mm standard pitch, available 2P~24P. Adopts solderless IDC insulation displacement connection supporting AWG22~26 wires, UL94V-2 flame retardant nylon housing, widely used for daisy-chain wiring in home appliances & industrial equipment.
  • Fully RoHS & REACH Compliant
  • UL&cUL Certified
  • UL 94V-2 Flame Retardant Housing
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  • M2050-N-C-R(180°)

  • HRB

  • 8536909000

2.54 Pitch IDC Feed Through IDC with Polarizing Tabs

HRB P/N definition

M2050-N-C-R(180°)

    ①     ② ③④  ⑤

①M2050: HRB series 

②N: Number of pins: 2-24

③C: Housing color, see below chart explanation

④R: With polarizing tabs

⑤180°: Feed through 

C Housing color Wire size
R Red AWG22
W White AWG24
N Natural AWG24
B Black AWG24
b blue AWG26
G Green AWG26


M2050-N-C-R(180°) dimensions

IDC M2050-N-C-R(180°) dimensions

Part No.
Dimensions Part No.
Dimensions
UL94V-2 Circuits Dim: A Dim: B UL94V-2 Circuits Dim: A Dim: B
M2050-2-C-R(180°) 2 2.54 5.08 M2050-10-C-R(180°) 10 22.86 25.40
M2050-3-C-R(180°) 3 5.08 7.62 M2050-11-C-R(180°) 11 25.40 27.94
M2050-4-C-R(180°) 4 7.62 10.16 M2050-12-C-R(180°) 12 27.94 30.48
M2050-5-C-R(180°) 5 10.16 12.70 M2050-13-C-R(180°) 13 30.48 33.02
M2050-6-C-R(180°) 6 12.70 15.24 M2050-14-C-R(180°) 14 33.02 35.56
M2050-7-C-R(180°) 7 15.24 17.78 M2050-15-C-R(180°) 15 35.56 38.10
M2050-8-C-R(180°) 8 17.78 20.32 M2050-16-C-R(180°) 16 38.10 40.64
M2050-9-C-R(180°) 9 20.32 22.86 M2050-17-C-R(180°) 17 40.64 43.18


Key Features


  • Polarizing tabs help prevent incorrect mating by enforcing a specific connector orientation.

  • IDC termination allows quick, solder-free assembly.

  • Positive alignment improves connection reliability.

  • Reduces risk of mismatching during installation.

  • Compatible with standard 2.54 IDC connector systems.

  • Robust housing provides secure cable retention.

  • UL94V-2 flame retardant housing, RoHS compliant

Mating diagram

  • Designed to pair with M2052 series housing covers, effectively preventing dust, moisture and foreign debris from damaging exposed contact terminals.

  • M2050-N-C(180°): Indirect PCB mating; mates with M2545 and M2545R series PCB headers to achieve reliable wire-to-board interconnection.2.54 IDC mating

2.54 IDC mating



Engineering FAQs


Q1: What wire sizes are supported by 2.54 IDC connectors?

A: Typically supports 22–26 AWG, depending on the specific part number.

Q2: Is soldering required for termination?

A: No. IDC technology provides a solder-free wire termination process.

Q3: What is the function of the feedthrough design?

A: It allows signals to pass through the connector for daisy-chain or inline wiring applications.

Q4: What are the design implications of using 2.54 IDC Feed Through with polarizing tabs?
A: Polarizing tabs help prevent incorrect mating by enforcing a specific connector orientation. When designing the system, ensure that compatible polarized mating connectors are used and that adequate clearance is provided for the tab features. This can significantly reduce assembly errors and improve field-service reliability.

Q5: Are special tools required for assembly?

A: Hand tools or bench termination tools are recommended for consistent wire insertion.

Q6: What applications are these connectors commonly used in?

A: Industrial controls, appliances, instrumentation, and low-voltage electronic systems.


Procurement FAQs


Q1: What are the main benefits of IDC connectors compared to crimp solutions?
A: Faster assembly, fewer components, and reduced labor costs.

Q2: Are feedthrough and polarized versions available in multiple circuit counts?

A: Yes. Various positions and configurations are available to meet different design requirements.

Q3: Can these connectors help reduce assembly time?

A: Yes. IDC termination enables rapid mass termination without wire stripping.

Q4: Are polarized versions interchangeable with standard 2.54 IDC connectors?

A: They are designed for compatibility within the 2.54 IDC system while adding mating protection.

Q5: What factors should be considered when selecting a connector?

A: Circuit count, wire gauge, polarization requirements, and application environment.

Q6: Are these connectors suitable for high-volume production?

A: Yes. Their simple termination process supports efficient large-scale manufacturing.


Current Rating
3A AC DC
Voltage Rating
250V AC DC
Operating Temperature
-25 ºC to +85 ºC
Contact Resistance
10mΩ max
Insulation Resistance
5000MΩ min.
Withstanding Voltage
750V AC/minute
MateriaL
Housing: Nylon UL94V-2
Terminal: Brass
Finish
Tin-plated
Gold-plated
Orientation
180°
Wire Size
AWG22
AWG24
AWG26
download M2050 Product specification.pdf

1. Home Appliances


Applications: Internal connections on control boards, sensor wiring, inter-module signal/power connections.

Advantages:

High-volume production → IDC connections reduce assembly costs.

Modular design → allows quick PCB replacement.

Low-current applications → matches MTA 100 ratings (typically 3–5A).


2. Industrial Automation / Control


Applications: PLCs, drives, sensors, robot modules.

Characteristics:

High reliability requirements.

Modular and easy maintenance.

High pin-density → polarizing tabs prevent mis-insertion.


3. Automotive Electronics (low-current signals)


Applications: Dashboards, sensors, control modules.

Characteristics:

High reliability and error-proof connection → polarizing tabs are useful.


4. Communication / Networking Equipment


Applications: Base stations, routers, servers (internal signal connections).

Characteristics: Moderate quantity, important reliability and error-proofing.


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