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M2545-N-K 2.54mm Vertical Wire to Board Header | HRB

M2545-N-K vertical wire-to-board header adopts standard 2.54mm centerline pitch and single-row design with through-hole mounting structure. Equipped with square tin-plated contacts and flame-retardant housing, it features polarized structure and friction lock to ensure stable mating. Available in multiple standard pin counts, this series is fully compatible with mainstream IDC cable assemblies and matching receptacles. It delivers reliable electrical and mechanical performance, widely applied in signal and low-power connection scenarios for electronic devices. All products comply with global environmental protection standards.
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  • M2545-N-K

  • HRB

  • 8536909000

2.54mm (.100") Pitch Vertical Wire-to-Board Header, Single Row, Through Hole Mount

HRB P/N Definition

M2545-N-K

    ①  ②③④

①M2545: HRB series 

②Blank: Vertical

③N: Number of pins: 2-16

④K: Shrouded


M2545-N-K dimension

M2545-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
M2545-2-K 2 5.08 2.54 M2545-10-K 10 25.40 22.86
M2545-3-K 3 7.62 5.08 M2545-11-K 11 27.94 25.40
M2545-4-K 4 10.16 7.62 M2545-12-K 12 30.48 27.94
M2545-5-K 5 12.70 10.16 M2545-13-K 13 33.02 30.48
M2545-6-K 6 15.24 12.70 M2545-14-K 14 35.56 33.02
M2545-7-K 7 17.78 15.24 M2545-15-K 15 38.10 35.56
M2545-8-K 8 20.32 17.78 M2545-16-K 16 40.645 38.10
M2545-9-K 9 22.86 20.32



Key Specifications

Mechanical & Physical Properties

  • Pitch: 2.54mm / .100" centerline

  • Configuration: Single row, vertical 180° straight orientation

  • Mounting Style: Through-hole DIP soldering

  • Available Positions: 2 to 16 pins, custom pin counts acceptable

  • Housing Material: UL94 V-0 flame retardant polyester

  • Contact Material: Brass with pure tin plating

  • Operating Temperature: -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)


Solder performance


  • Recommended soldering temperature: 245°C ±0.5°C

  • Soldering duration: 4±0.5 seconds

  • Structural bearing capacity between housing and pin: ≥ 2.0kg




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 mating connectors work with this vertical header?

A: It matches standard 2.54mm pitch IDC connectors, including 90° closed-end and 180° feed-through IDC cable assemblies for universal wire-to-board mating.

Q: Can I customize pin count or special specifications?

A: Standard options range from 2 pins to 16 pins. Custom pin length, special plating and non-standard positions are available upon request.
Q: What soldering method is suitable for this header?
A: It supports wave soldering and manual soldering. Please follow standard lead-free soldering temperature parameters for stable welding effect.
Q: What is the pitch and mounting type of this connector?

A: It adopts standard 2.54mm (.100") pitch, single row vertical 180° design, through-hole DIP mounting for PCB installation.


Procurement FAQs


Q: Do you have this vertical wire-to-board header in stock?
A: Most regular pin sizes are in stock. For large orders or special customized specifications, please confirm delivery time with our sales team in advance.
Q: What is the MOQ for this series?
A: We support low minimum order quantity, both sample trial orders and bulk wholesale orders are welcome.
Q: Can I mix different pin models in one order?
A: Yes, mixed shipment of different pin configurations is acceptable to meet your project procurement needs.
Q: What is the production lead time for bulk orders?

A: In-stock goods can be shipped within 3–5 working days. Out-of-stock and customized orders take about 4–6 weeks according to quantity.

Q: Can you provide export documents and test reports?

A: We can provide commercial invoice, packing list, certificate of origin, RoHS certificate and mechanical performance test reports.
Q: Can I get free samples for testing?
A: Free evaluation samples are provided, customers only need to bear the courier freight cost. Samples can be arranged within 1–3 working days.


Current Rating
4A AC DC
Voltage Rating
250V AC DC
Temperature Range
-40ºC to +130ºC
Contact Resistance
3.0mΩ Max.
Insulation Resistance
5000mΩ Min.
Withstanding Voltage
2200V AC/Minute
Material
Housing: Polyester UL94V-0
Pin: Brass
Terminal finish
Tin plated
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

M2545 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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