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 Tel: 0086-0755 2709 6669
 Phone：0086-15197637030
                 
 Address: A building,Baitong science  innovation park, No. 150 Shasong RD., 
Shajing Sub-district, Shenzhen City,
Guangdong Province, China.
 Email: 
sales8@hrb-connector.com

 Fax: 0086-0755 2709 2392
 QQ: 3404777260
            
 Skype: Zoe Zheng
             

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vertical Dual Row header connector

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  • M4257-2xN-B

  • HRB

 M4257-2xN-B catalog.pdf


Ordering Information:


Vertical Header, 4.20mm Pitch, Dual Row, 2 to 24 Circuits, without Snap-in Plastic Peg PCB Lock, Tin, Natural&White.                                                                                                                                                                         

       Part No.        Dimensions                Part No.        Dimensions
       TYP UL94V-0        TYP UL94V-2        Cir        Dim: A        Dim: B        Dim: C        TYP UL94V-0        TYP UL94V-2        Cir        Dim: A        Dim: B        Dim: C
       M4257-2×1-A        M4257-2×1-B        2        /        5.40        /        M4257-2×7-A        M4257-2×7-B        14        25.20        30.80        25.20
       M4257-2×2-A        M4257-2×2-B        4        4.20        9.60        4.20        M4257-2×8-A        M4257-2×8-B        16        29.40        35.00        29.40
       M4257-2×3-A        M4257-2×3-B        6        8.40        14.00        8.40        M4257-2×9-A        M4257-2×9-B        18        33.60        39.20        33.60
       M4257-2×4-A        M4257-2×4-B        8        12.60        18.20        12.60        M4257-2×10-A        M4257-2×10-B        20        37.80        43.40        37.80
       M4257-2×5-A        M4257-2×5-B        10        16.80        22.40        16.80        M4257-2×11-A        M4257-2×11-B        22        42.00        47.60        42.00
       M4257-2×6-A        M4257-2×6-B        12        21.00        26.60        21.00        M4257-2×12-A        M4257-2×12-B        24        46.20        51.80        46.20


Detail Information:


Category PCB header connector
Brand HRB
Application Power, wire to board connector
Circuits 2-24
Color Natural
Flammability UL94V-0/UL94V-2
Durability (mating cycles max) 30
First Mate / Last Break No
Glow-wire compliant  "Yes" and "No" are both available
Guide to Mating Part No
Keying to Mating Part None
Lock to Mating Part Yes
Material - Metal Brass
Material - Plating Mating Tin/Gold plated
Material - Plating Termination Tin/Gold plated
Material-Resign
 Nylon
Number of rows Dual
Orientation Vertical
PCB Locator Yes
PCB Retention Yes
Packing type
 Bag
Pitch - Termination Interface 4.2mm pitch
Pitch - Mating Interface 4.2mm pitch
Polarized to PCB Yes
Polarized to Mating Part NO
Surface Mount Compatible (SMC) No
Temperature Range - Operating -25°C to +85°C and -25°C to +105°C
Termination Interface: Style Through Hole
Current - Maximum per Contact 9.0A


Product Application:


White goods


Copiers

Office equipment

Printers


Automation equipment

Industrial networks


Rack-mount server

Router/Switch


Mates With Part(s):


Receptacle Housing connector (P4200)


 1) Current Rating: 9A AC, DC

 2) Voltage Rating: 600V AC, DC

 3) Operating Temperature:V2: -25ºC to +85ºC

                                           V0: -40ºC to +105ºC

 4) Contact Resistance: 10mΩ max

 5) Insulation Resistance: 1000MΩ min.

 6) Withstanding Voltage: 1500V AC/minute

 7) Material: Housing: NylonUL94V-2&NylonUL94V-0

                    Pin: Brass. Tin plated

 8) Pin to header retention force:

      14.7N(1.5kg) Min. Gold(Noble) plated.

      29.4N(3.5kg) Min. Tin(non-noble) plated

 9) Solder resistance: Dip connector terminal tails

      in solder: Solder Duration: 4±0.5 seconds;

 Solder temperature: 245±5℃

 8) Pin in housing retention force requirement: 3.5kg(Min.)

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