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M2545R-N-K 2.54mm Right Angle Wire to Board Header | HRB

M2545R-N-K wire-to-board headers features a 2.54mm centerline pitch and a right-angle form factor, designed for reliable, cost-effective connections between discrete wires and printed circuit boards (PCBs). Available in configurations from 2 to 16 positions, the header is through-hole soldered to the PCB, providing robust mechanical stability and electrical performance for a wide range of commercial and industrial applications. All products are manufactured with UL94 V-0 flame-retardant housings and tin-plated contacts, meeting RoHS compliance standards.
Availability:
Quantity:
  • M2545R-N-K

  • HRB

  • 8536909000

2.54mm (.100") Pitch Right Angle Wire-to-Board Header


HRB P/N Definition

M2545R-N-K

    ①    ②③④

①M2545: HRB series 

②R: Right angle

③N: Number of pins: 2-16

④K: Shrouded


M2545R-N-K dimension

M2545R-N-K dimension


HRB Part No.
Dimensions Part No.
Dimensions
TYP UL94V-0 Circuits Dim: A Dim: B TYP UL94V-0 Circuits Dim: A Dim: B
M2545R-2-K 2 5.08 2.54 M2545R-10-K 10 25.40 22.86
M2545R-3-K 3 7.62 5.08 M2545R-11-K 11 27.94 25.40
M2545R-4-K 4 10.16 7.62 M2545R-12-K 12 30.48 27.94
M2545R-5-K 5 12.70 10.16 M2545R-13-K 13 33.02 30.48
M2545R-6-K 6 15.24 12.70 M2545R-14-K 14 35.56 33.02
M2545R-7-K 7 17.78 15.24 M2545R-15-K 15 38.10 35.56
M2545R-8-K 8 20.32 17.78 M2545R-16-K 16 40.645 38.10
M2545R-9-K 9 22.86 20.32




Key Specifications

Mechanical & Physical Properties


  • Pitch: 2.54 mm (.100") centerline

  • Configuration: Single row, right-angle orientation

  • Mounting Style: Through-hole (THT) soldering

  • Number of Positions: 2-16 (custom counts available upon request)

  • Housing Material: UL94 V-0 rated thermoplastic (white polyester)

  • Contact Material: Brass with tin plating

  • Operating Temperature Range: -40°C to +130°C


Electrical Ratings


  • Rated Current: 4A (max per contact)

  • Rated Voltage: 250 V AC

  • Contact Resistance: 3mΩ max.

  • Insulation Resistance: 5000 MΩ min.

  • Withstanding Voltage: 2200V/AC (1minute)


Mating diagram

Mating with 90° closed end IDC

Mating with 180° feed through IDC

2.54mm connector mating PCB mounting




Frequently Asked Questions (FAQs)


Technical FAQs:

Q: What is the mating connector for this header?

A: This header is designed to mate with standard 2.54mm (.100") pitch IDC, commonly used in wire-to-board assemblies.

Q: Can I get custom pin counts or modified specifications?

A: We offer a range of standard positions from 2 to 16. For custom configurations, special pin lengths, or alternative plating options, please contact our sales team to discuss your requirements.

Q: What is the recommended soldering process for these headers?

A: These through-hole headers are suitable for traditional wave soldering or hand soldering processes. Standard lead-free solder profiles are recommended, following the temperature guidelines specified in the product datasheet.

Q: What is the pitch and mounting orientation?

A: 2.54mm (.100") centerline pitch, single row, right-angle through-hole mounting for PCB connection.


Procurement FAQs

Q: Do you have this wire-to-board header in stock?

A: Most standard pin count models are kept in regular stock. For large orders or special specifications, please confirm availability 

with our sales team in advance.

Q: What is the minimum order quantity for this series?

A: Standard items come with low MOQ. We welcome both sample orders and bulk purchases.

Q: Can I order mixed pin configurations in one shipment?

A: Yes, mixed orders with different pin positions are acceptable to meet your diverse project demands.

Q: How long is the production lead time for bulk orders?

A: In-stock goods can be shipped within 3-5 working days. Out of stock orders generally take 4-6 weeks based on order volume.

Q: Can you provide customized pin length or surface plating?

A: Custom pin lengths and alternative plating options are available. Please send your detailed requirements for a tailored quotation.

Q: What documents can you provide for export clearance?

A: We can supply commercial invoice, packing list, certificate of origin, RoHS compliance certificate and relevant mechanical test 

reports.

Q: What packaging is used for these connectors?

A: Products are packed with anti-static bags and standard export cartons to prevent damage during transit and storage.

Q: Is the price adjustable for large volume orders?

A: We adopt tiered pricing. More competitive rates will be offered for larger order quantities.

Q: Can you arrange samples for testing first?

A: Yes, free samples are available. Customers only need to bear the courier freight. 


Current rating
4A AC DC
Voltage rating
250V AC DC
Operating temperature
-40ºC to +130ºC
Contact resistance
3.0mΩ Max.
Insulation resistance
5000mΩ Min.
Withstanding Voltage
2200V AC/Minute
Material
Housing: Polyester UL94V-0
Terminal: Brass
Terminal Finish
Tin
Housing and pin solid needle bearing
2.0kg(min)
Solder resistance
Dip connector terminal tails
In solder
solder duration: 4±0.5 seconds
solder temperature
245ºC ±0.5ºC

M2545R series is widely used in applications requiring cost-effective, reliable wire-to-board connections, including



  • Consumer electronics and home appliances

  • Industrial control systems and automation equipment

  • Telecommunication devices and network hardware

  • Test and measurement instruments

  • Medical devices (non-critical signal connections)

  • Automotive non-safety systems


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