The Pulse H1140, H1141, H1164, HX1234, and HX1240 series are 10/100BASE-TX transformer modules designed for Auto MDI/MDIX applications. These modules meet IEEE 802.3 specifications and are approved for use with Broadcom BCM5226 and Level One LXT9784. They feature symmetrical TX and RX channels for Auto MDI/MDIX capability.
| Part Number | RoHS | Insertion Loss (dB MIN) 0.1-100MHz | Return Loss (dB MIN) 2-30MHz | Crosstalk (dB MIN) 40MHz | Differential to Common Mode Rejection (dB MIN) 1-60MHz | Hipot (Vrms MIN) | Weight | Packaging (Tape & Reel) | Packaging (Tube) | Operating Temperature |
|---|---|---|---|---|---|---|---|---|---|---|
| H1140 | 3, 4c | -1.0 | -18 | -14.4 | -65 | 1500 | 4.8 grams | 250/reel | 15/tube | 0C to 70C |
| H1141 | 3, 4c | -1.0 | -18 | -14.4 | -65 | 1500 | 1 gram | 350/reel | 35/tube | 0C to 70C |
| H1164 | NL4d | -1.0 | -18 | -14.4 | -55 | 1500 | N/A | N/A | N/A | -40C to +85C |
| HX1234 | NL4c | -1.4 | -18 | -14.4 | -55 | 1500 | N/A | N/A | N/A | -40C to +85C |
| HX1240 | 3, 4c | -1.0 | -16.5 | -16 | -60 | 1500 | N/A | N/A | N/A | 0C to 70C |
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