644894-4 Tyco Electronics, 644894-4 Datasheet - Page 23

• Manufacturer Part Number: 644894-4
• Description: Conn Shrouded Header HDR 4 POS 2.54mm Solder RA Thru-Hole
• Manufacturer: Tyco Electronics
• Type: Shrouded Headerr
• Series: CST-100r

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
• Contact Type: Male Pin
• Connector Type: Header, Shrouded
• Number Of Positions: 4
• Number Of Positions Loaded: All
• Contact Mating Length: 0.280" (7.11mm)
• Mounting Type: Through Hole, Right Angle
• Termination: Solder
• Fastening Type: Friction Lock
• Contact Finish: Tin-Lead
• Color: Black
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Contact Finish Thickness: -
• Row Spacing: -
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

[5.72]
[3.30]
.225
.130
Min.
Edge of Board
[0.64]
.025
Sq.
A
[2.54]
[0.94
.100
Typ.
[1.27/1.02]
.037
.050/.040
[3.18]
Post
No. 1
.125
[1.27]
.050
Typ.
± .002
± 0.05
[13.59]
[2.54]
.100
Typ.
.535
]
Dia. for straight
leg headers
Dia. for retentive
leg headers
[7.49]
[3.56]
.295
.140
Ref.
[3.18]
.125
Ref.
[2.54]
[0.89]
.100
.035
Min.
[7.37]
.290
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]
]
.100
[2.54]
.100
Typ.
Dia. for straight
leg headers
Dia. for retentive
leg headers
[3.18]
.125
No. 1
Post
[1.27]
.050
Typ.
[3.56]
[7.49]
.140
.295
34°
[0.89]
.035
Max.
Min.
[3.56]
.140
[3.43]
.135
[7.37]
.290
Ref.