7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer
Key Specifications: 7490140140 vs. 7490140141 vs. 7490140142
|
Part Number |
7490140140 |
7490140141 |
7490140142 |
|---|---|---|---|
|
Inductance (OCL) |
350 µH min. |
350 µH min. |
350 µH min. |
|
Turns Ratio (TX/RX) |
1:1 |
1:1 |
1:1 |
|
Insertion Loss (1-100MHz) |
-2 dB max. |
-1.4 dB max. |
-2 dB max. |
|
Return Loss (1-30MHz @ 100 Ω) |
-10 dB min. |
-14 dB min. |
-10 dB min. |
| Return Loss (30-60MHz @ 100 Ω ) | -7 dB min. | -9 dB min. | -7 dB min. |
| Return Loss (60-80MHz @ 100 Ω) | -5 dB min. | -7 dB min. | -5 dB min. |
| Return Loss (80-100MHz @ 100 Ω) | -4 dB min. | -6 dB min. | -4 dB min. |
|
DCMR (1-30MHz) |
-30 dB min. |
-35 dB min. |
-30 dB min. |
| DCMR (30-60MHz) | -25 dB min. | -32 dB min. | -25 dB min. |
| DCMR (60-100MHz) | -20 dB min. | -30 dB min. | -20 dB min. |
| Crosstalk (1-60MHz) | -40 dB min. | -33 dB min. | -40 dB min. |
| Crosstalk (60-100MHz) | -35 dB min. | -30 dB min. | -35 dB min. |
| CMRR (1-30MHz) | -20 dB min. | -20 dB min. | |
| CMRR (30-60MHz) | -18 dB min. | -18 dB min. | |
| CMRR (30-60MHz) | -15 dB min. | -15 dB min. | |
|
Insulation Test Voltage |
4000 Vrms 1min. |
4000 Vrms 1min. |
4000 Vrms 1min. |
|
DC Resistance @ 20 °C |
900 mΩ max. |
1100 mΩ max |
900 mΩ max |
|
Operating Temp. |
-40 to +85 °C |
-40 to +85 °C |
-40 to +85 °C |
|
PoE Support |
PoE (up to 350 mA) |
PoE (up to 350 mA) |
PoE (up to 350 mA) |
| PoE Compliant | IEEE 802.3af | IEEE 802.3af | IEEE 802.3af |
|
Dimensions (LxWxH) |
24.28 x 18.68 x 11.0 mm |
17.1 x 15.37 x 8.65 mm |
18.25 x 16.07 x 10.02 mm |
|
Clearance distance |
5 mm |
6 mm |
5 mm |
|
Creepage distance |
8 mm |
8 mm |
8 mm |
7490140140 Datasheet
7490140141 Datasheet
7490140142 Datasheet
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