644894-4 Tyco Electronics, 644894-4 Datasheet - Page 65

• 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

Post No. 1
[8.60]
.339
.
.077 [1.95]
.335
[8.5]
[6.90]
.272
[3.96]
.156
.268
[6.8]
Post No. 1
[3.96]
.156
A
Centerline
A
.077 [1.95]
.028 [0.7]
[1.14]
.045
[3.20]
[0.50]
.126
.020
Sq. Post
[1.14]
.045
[3.20
.126
Ref.
[1.14]
.045
.146 [3.7]
± .004
± 0.10
[3.60]
.142
Sq. Post
.303 [7.7]
.
]
[2.00
.079
[8.60]
.339
± .004
± 0.10
.190 [4.82]
.125 [3.18]
]
[8.20]
.323
.244 [6.2]
.118 [3.0]
[1.68/1.57]
Edge of Board
.066/.062
[9.40]
Edge of Board
.370
Recommended Mounting Hole Pattern
for .063 [1.6] Thick PC Board
[1.75/1.65]
.069/.065
Ø .065/.069
[1.65/1.75]
.156 [3.96]
Typ.
[3.96]
.156
[8.89]
.350
Typ.
.078 [1.98]
Typ.