640251-2 TE Connectivity, 640251-2 Datasheet - Page 3

• Manufacturer Part Number: 640251-2
• Description: WIRE-BOARD CONN RECEPTACLE, 2POS, 3.96MM
• Manufacturer: TE Connectivity
• Type: Housingr
• Series: SL-156r

Specifications of 640251-2

• Wire Gauge: 18-24
• Number Of Contacts: 2POS
• Number Of Contact Rows: 1
• Body Orientation: Straight
• Pitch (mm): 3.96mm
• Gender: RCP
• Housing Material: Nylon
• Operating Temp Range: -55C to 105C
• Current Rating (max): 10/ContactA
• Voltage Rating Max: 250VAC
• Housing Color: White
• Product Height (mm): 6.35mm
• Product Depth (mm): 16.76mm
• Product Length (mm): 7.82mm
• Connector Type: Wire To Board
• Contact Termination: Crimp
• No. Of Contacts: 2
• No. Of Rows: 1
• Pitch Spacing: 3.96mm
• Rohs Compliant: Yes
• Product Line: SL-156
• Termination Method To Wire/cable: Crimp
• Mating Connector Lock: Without
• Four Points Of Contact: Without
• Shrouded: No
• Mounting Ears: Without
• Wire Insulation Diameter (mm [in]): 2.79 [0.110]
• Panel Mount Retention: Without
• Number Of Positions: 2
• Centerline (mm [in]): 3.96 [0.156]
• Cable Exit Angle: 180°
• Contact Type: Socket
• Connector Style: Receptacle
• Mating Alignment: Without
• Ul Flammability Rating: UL 94V-0
• Rohs/elv Compliance: RoHS compliant, ELV compliant
• Lead Free Solder Processes: Not relevant for lead free process
• Rohs/elv Compliance History: Always was RoHS compliant
• Application Use: Wire-to-Board
• Lead Free Status / RoHS Status: Compliant

Durability.
Mating force.
Unmating force.
Contact retention.
Crimp tensile.
Thermal shock.
Rev H
NOTE
Test Description
Shall meet visual requirements, show no physical damage, and meet requirements of additional
tests as specified in the Product Qualification and Requalification Test Sequence shown in Figure
2.
See Note.
10 pounds minimum.
See Note.
High Force
Low Force
High Force
Low Force
Contact
Contact
Wire Size
Type
Type
(AWG)
24
22
20
18
16
ENVIRONMENTAL
MECHANICAL
Figure 1 (end)
Requirement
.045 Sq .045 Rd
.045 Sq .045 Rd
Force (lbs max)
Force (lbs min)
0.77
0.25
Crimp Tensile
4.2
1.5
(lbs min)
10
15
25
35
40
1.75
0.50
0.25
1.25
TE Spec 109-27.
Manually mate and unmate
specimens with .045 inch square
and round posts mounted on PCBs
for 25 cycles.
TE Spec 109-42.
Measure force necessary to mate
specimens with .045 inch square
and round posts mounted on PCBs.
Calculate force per contact.
TE Spec 109-42.
Measure force necessary to unmate
specimens with .045 inch square
and round posts mounted on PCBs.
Calculate force per contact.
TE Spec 109-30.
Apply axial load to the crimped
contacts by gripping the wire.
TE Spec 109-16.
Determine crimp tensile at a
maximum rate of 1 inch per minute.
TE Spec 109-22.
Subject mated specimens to 25
cycles between -55 and 85°C.
Procedure
108-1049
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