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7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer
7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer
7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer
7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer
7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer
7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer
Specifications
Brand Name :
LINK-PP
Model Number :
7490140140, 7490140141, 7490140142
Certification :
RoHS, REACh, Halogen Free
Place of Origin :
Guangdong,China
MOQ :
Free Samples
Price :
$0.06-$2.2
Payment Terms :
TT,NET30/60/90 Days
Supply Ability :
4KK/Month
Delivery Time :
1 day, ship today
Packaging Details :
Tape
Data rate :
10/100 Base-T
Ports :
1
Series :
SMT Transformer
Turns Ratio :
1:1（±2%）
PoE :
PoE (up to 350 mA)
Inductance :
350uH
Isolation Voltage :
4000V RMS
Operating Temperature Range :
-40 °C up to +85 °C
Description

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

7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer

7490140141 Datasheet

7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer

7490140142 Datasheet

7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer

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7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer

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Product Detail
Brand Name :
LINK-PP
Model Number :
7490140140, 7490140141, 7490140142
Certification :
RoHS, REACh, Halogen Free
Place of Origin :
Guangdong,China
MOQ :
Free Samples
Price :
$0.06-$2.2
Contact Supplier
7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer
7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer
7490140140 7490140141 7490140142 10/100 Base-T SMT PoE Transformer

LINK-PP INT'L TECHNOLOGY CO., LIMITED

Verified Supplier
13 Years
guangdong, huizhou
Since 1997
Main Products :
RJ45 Modular Jack, Magnetic RJ45 Jack, Low Profile RJ45 Jack
Total Annual :
100,000,000-$120 million
Employee Number :
800~1000
Certification Level :
Verified Supplier
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