644894-4 TE Connectivity, 644894-4 Datasheet - Page 24

• Manufacturer Part Number: 644894-4
• Description: Conn Shrouded Header HDR 4 POS 2.54mm Solder RA Thru-Hole
• Manufacturer: TE Connectivity
• Type: Shrouded Headerr

Specifications of 644894-4

• Pitch: 2.54 mm
• Number Of Rows: 1
• Number Of Contacts: 4
• Gender: HDR
• Contact Plating: Tin-Lead
• Termination Method: Solder
• Rohs Compliant: NO
• Connector Type: Header
• Product Line: CST-100
• Pcb Mounting Orientation: Right Angle
• Right Angle Bending Side: Front
• Pcb Mount Retention: Without
• Mating Connector Lock: Without
• Four Points Of Contact: Without
• Shrouded: Yes
• Mounting Ears: Without
• Post Size (mm [in]): 0.64 [.025]
• Panel Mount Retention: Without
• Voltage Rating (vac): 250
• Solder Tail Contact Plating: Matte Tin-Lead
• Termination Post Length (mm [in]): 3.56 [0.140]
• Number Of Positions: 4
• Centerline (mm [in]): 2.54 [0.100]
• Solder Tail Contact Material: Copper Alloy
• Recycle: Yes
• Contact Type: Pin
• Contact Shape: Square
• Contact Plating, Mating Area, Material: Tin-Lead
• Contact Base Material: Copper Alloy
• Connector Style: Plug
• Housing Color: Black
• Mating Alignment: Without
• Ul Flammability Rating: UL 94V-0
• Housing Material: Polyester
• Backwall/post Interruption(s): Without
• Rohs/elv Compliance: Not ELV/RoHS compliant
• Lead Free Solder Processes: Wave solder capable to 240°C
• Applies To: Printed Circuit Board
• Application Use: Wire-to-Board

[5.72]
.225
[3.30]
.130
Min.
Edge of Board
[0.64]
.025
[2.54]
Sq.
.100
Typ.
A
[3.18]
[0.94
[1.27/1.02]
.037
.125
No. 1
.050/.040
Post
[1.27]
.050
Typ.
± .002
± 0.05
[13.59]
[2.54]
.535
.100
Typ.
]
Dia. for straight
leg headers
Dia. for retentive
leg headers
[7.49]
[3.56]
.295
.140
Ref.
[3.18]
.125
Ref.
[2.54]
.100
[1.02]
Max.
.040
[7.87]
.310
X
34°
Edge of Board
[5.72]
.225
[0.64]
.025
Sq.
A
[0.94
[1.27/1.02]
.037
.050/.040
± .002
± 0.05
[2.54]
.100
Typ.
]
[2.54]
Dia. for straight
leg headers
Dia. for retentive
leg headers
[3.18]
[2.54]
No. 1
.100
.125
.100
Typ.
Post
[1.27]
.050
Typ.
[7.49]
[3.56]
Max.
.295
.140
34°
[3.56]
.140
[3.43]
.135
[1.02]
Max.
.040
[7.87]
.310