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MagJack H1121-A4112-A Single Port (1X1) Tab-Down RJ45 Connector
Jan 12, 2018

Description:

10/100Base-TX RJ45 single port (1x1) Tab-Down with LEDs

Integrated magnetics connector (ICM), designed to support applications,

Such as Network Interface Cards (NIC),  LAN-on Motherboard (LOM),  and

PC applications.


Features and Benefits:

*  Single port (1X1) Tab-DOWN RJ45 with internal magnetics.

*  RoHS-6 peak wave solder temperature rating 260 OC.

*  Suitable for CAT 5 & 6 Fast Ethernet Cable or better UTP.

*  Internal magnetics are 100% electrically tested for HI-POT and functionality. 


Electrical Performance Summary:

*  Meets or exceeds IEEE 802.3 standard for 100Base-T.

*  350 uH minimum OCL with 8 mA bias current.

*  High performance for maximum EMI suppression.

*  Minimum 1500 Vrms isolation per IEEE 802.3 requirement.

*  Operating temperature range: 0OC to +70OC.

*  Storage temperature range: -40OC to +85OC.


Material Specifications:

*  Insert:           Plastic: Reinforced FR PA66-B30 UL94V-0.

                      Contact Area: Phosphor Bronze, Gold Plated.

                      PCB Terminal: Phosphor Bronze, Tail-Tin over Nickel

*  Housing:       Reinforced FR PA66-B30 UL94V-0.

*  Metal Shell:  Copper Alloy, Nickel Plated

*  Case:            Phenolic, UL94V-0 Black.


Electrical Specifications:

  1. Inductance:

    350 uH MIN  @ 100KHZ, 0.1Vrms, 8 mA DC Bias

  2. Turns Ratio:

    P1-2 : J1-2 = 1CT:1 +/-3%

    P3-6 : J3-6 = 1CT:1 +/-3%

  3. Insertion Loss:

    1 ~ 100 MHZ   -1.0 dB MAX. 

  4. Return Loss:

    1 ~ 10 MHZ     -20 dB MIN.  Load 100 OHMS

    10 ~ 30 MHZ   -16 dB MIN.  Load 100 OHMS

    30 ~ 60 MHZ   -12 dB MIN.  Load 100 OHMS

    60 ~ 80 MHZ   -10 dB MIN.  Load 100 OHMS

  5. Common Mode Rejection:

    1 ~ 50 MHZ      -30 dB MIN.

    50 ~ 100 MHZ  -20 dB MIN.

  6. Cross Talk:

    1 ~ 100 MHZ    -30 dB MIN.

  7. Hi-Pot Test:

    1500Vrms 60sec.  @ PCB Side  to  Cable Side


Schematic:


Mechanic Dimensions:


PCB Layout:

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