TE Connectivity, RJ45 jack, 2301994-9, 1 port, 10/100 Base-T, shielded with EMI finger, right-angle through-hole, gold 30.0µin contacts, board lock, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Mounting | Through Hole |
| Connector type | RJ45 |
| Operating temperature | -40°C ~ 85°C |
| LED color | Green, Yellow - Green, Yellow |
| Shield material | Brass |
| Contact material | Copper Alloy |
| Housing material | Liquid Crystal Polymer (LCP) |
| Height above board | 0.632\" (16.05mm) |
| Package | Tape & Reel (TR) Cut Tape (CT) |
| Features | Board Lock |
| Shielding | Shielded, EMI Finger |
| Orientation | 90° Angle (Right) |
| Parameter | Value |
|---|---|
| Termination | Solder |
| Applications | 10/100 Base-T, AutoMDIX |
| Tab direction | Down |
| Contact finish | Gold |
| Rows | 1 |
| Number of ports | 1 |
| Contact finish thickness | 30.0µin (0.76µm) |
| Number of cores per jack | 4 |
The TE Connectivity 2301994-9 is a single-port RJ45 jack built for 10/100 Base-T Ethernet with AutoMDIX.
The board lock is a pair of through-hole posts that solder into the PCB, taking mechanical strain off the signal pins during cable insertion and removal. Together they make this jack suited for environments where cable movement or EMI is a concern, like factory-floor Ethernet drops or test equipment.
Yes, the 2301994-9 is specified for 10/100 Base-T with AutoMDIX, meaning it handles both 10BASE-T and 100BASE-TX and automatically swaps the transmit/receive pair if the cable is straight-through or crossover.
It is shielded with an EMI finger, using a brass shield that mates to chassis ground for EMI rejection.
No, the listed application is 10/100 Base-T. Gigabit Ethernet (1000BASE-T) requires a jack rated for higher frequency performance and often different magnetics integration.
The pinout follows the standard TIA/EIA-568 wiring for 10/100 Base-T: pins 1 and 2 for transmit, pins 3 and 6 for receive, with the remaining four pins unused or available for PoE depending on the circuit design. The jack has 4 cores per jack, matching the 4-pair cable.
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