5749721-3 TE Connectivity, 5749721-3 Datasheet - Page 29

• Manufacturer Part Number: 5749721-3
• Description: 28 50SR VERT RCPT ASSY
• Manufacturer: TE Connectivity
• Type: SCSIr

Specifications of 5749721-3

• Number Of Terminals: 28
• Termination Method: Solder
• Body Orientation: Straight
• Gender: RCP
• Number Of Ports: 1Port
• Pitch (mm): 2.54mm
• Number Of Contacts: 28POS
• Contact Plating: Gold Over Nickel
• Housing Material: Thermoplastic
• Contact Material: Phosphor Bronze
• Mounting Style: Through Hole
• Operating Temp Range: -55C to 105C
• Voltage Rating Max: 30VAC
• Product Height (mm): 8.92mm
• Product Depth (mm): 10.31mm
• Product Length (mm): 38.48mm
• Product Type: Connector
• Pcb Mounting Orientation: Vertical
• Termination Method To Pc Board: Through Hole - Solder
• Pcb Mount Retention: With
• Pcb Mount Alignment: Without
• Shell Type: Full Metal
• Product Series: Series III
• Shell Material: Steel
• Bracket Material: Zinc
• Mating Retention Type: Latching
• Bracket Plating: Nickel over Copper
• Shielded: Yes
• Termination Post Length (mm [in]): 3.18 [0.125]
• Number Of Positions: 28
• Pcb Mount Retention Type: Mounting Holes
• Mating Retention: With
• Centerline (mm [in]): 1.27 [0.050]
• Post Plating: Tin over Nickel
• Shell Plating: Tin over Copper
• Contact Plating, Mating Area, Material: Gold (30), Gold Flash over Palladium Nickel
• Contact Base Material: Phosphor Bronze
• Connector Style: Receptacle
• Mating Alignment: Without
• Ul Flammability Rating: UL 94V-0
• Rohs/elv Compliance: RoHS compliant, ELV compliant
• Lead Free Solder Processes: Reflow solder capable to 245°C, Reflow solder capable to 260°C
• Rohs/elv Compliance History: Always was RoHS compliant
• Lead Free Status / RoHS Status: Compliant

34
Backshell Kits
Material and Finish:
Backshells—Copper-nickel alloy
Jackscrews—Steel, plated tin over
copper, handles covered with ABS, gray
Keyed and Unkeyed Inserts—Zinc,
plated tin over copper
Outside Covers—ABS, gray
Catalog 82068
Revised 1-08
www.tycoelectronics.com
are metric equivalents.
Dimensions are in inches and
millimeters unless otherwise
specified. Values in brackets
AMPLIMITE Subminiature D Connectors
Shielded AMPLIMITE .050 Series Slimline Connectors
Note: All part numbers are RoHS compliant.
[38.89]
1.531
[31.80]
Backshell Kits
*Bulk packaging—100 kits per box.
1.252
Unkeyed Kit
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
Plug Assembly Must Be
750850-1
750850-2
750850-3
Purchased Separately
Part No.
[44.32]
1.745
[20.45]
.805
Cable Dia.
.250-.280
6.35-7.11
.280-.310
7.11-7.87
Connector shown for illustration purposes
only, must be purchased separately.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
[31.75]
1.250
Outer Shell
Individually Packed Kit
Individually Packed Kit
Bulk Packed Kit
Packaging*
[8.38]
.330
[6.98]
.275
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-8706-080-208
(Continued)
Tyco Electronics
Cable Supplied
By Customer
Approved
Must Be
Inner Shell