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Home > products > Discrete Magnetic Transformers > 10/100BASE-T LAN Transformer 7490140123 7490140124 7490140125

10/100BASE-T LAN Transformer 7490140123 7490140124 7490140125

Product Details

Place of Origin: Guangdong,China

Brand Name: LINK-PP

Certification: UL,RoHS,Reach,ISO

Model Number: 7490140123, 7490140124, 7490140125

Payment & Shipping Terms

Minimum Order Quantity: 400/2000/10K/25K

Price: $0.06-$2.2

Packaging Details: T&R

Delivery Time: Stock

Payment Terms: TT,NET30/60/90 Days

Supply Ability: 3KK/Month

Get Best Price
Highlight:

7490140123

,

7490140124

,

7490140125

Data Rate:
10/100 Base-T
Ports:
1
Mounting Style:
SMT
Turns Ratio:
1:1
PoE:
Non-PoE
Inductance:
350uH
Isolation Voltage:
1500V RMS
Operating Temperature:
-40 °C To +85 °C
Data Rate:
10/100 Base-T
Ports:
1
Mounting Style:
SMT
Turns Ratio:
1:1
PoE:
Non-PoE
Inductance:
350uH
Isolation Voltage:
1500V RMS
Operating Temperature:
-40 °C To +85 °C
10/100BASE-T LAN Transformer 7490140123 7490140124 7490140125

Key Specifications: 7490140123 vs. 7490140124 vs. 7490140125 LAN Transformer

 

Part Number 7490140123 7490140124 7490140125
Data Rata 10/100 Base-T  10/100 Base-T  10/100 Base-T
Number of PINs 16PINs 12PINs 24PINs
Turns Ratio 1:1 (±2%) 1:1 (±2%) 1:1 (±2%)
Inductance 350 µH 350 µH 350 µH
Isolation Voltage 1500V (RMS, 1 min) 1500V (RMS, 1 min) 1500V (RMS, 1 min)
Insertion Loss -1.4 dB max (1–100 MHz) -1.2 dB max (1–100 MHz) -1.4 dB max (1–100 MHz)
Return Loss

-14 dB min (1–30 MHz),

-9 dB min (30–60 MHz),

-8 dB min (60–80 MHz),

-7 dB min (80–100 MHz)

-16 dB min (1–30 MHz),

-14 dB min (30–60 MHz),

-9 dB min (60–80 MHz),

-8 dB min (80–100 MHz)

-14 dB min (1–30 MHz),

-9 dB min (30–60 MHz),

-8 dB min (60–80 MHz),

-7 dB min (80–100 MHz)

Common Mode Rejection Ratio (CMRR)

-20 dB min (1–30 MHz),

-18 dB min (30–60 MHz),

-15 dB min (60–100 MHz)

 

-20 dB min (1–30 MHz),

-18 dB min (30–60 MHz),

-15 dB min (60–100 MHz)

Differential to Common Mode Rejection Ratio (DCMR)

-30 dB min (1–30 MHz),

-25 dB min (30–60 MHz),

-20 dB min (60–100 MHz)

-35 dB min (1–30 MHz),

-32 dB min (30–60 MHz),

-30 dB min (60–100 MHz)

-30 dB min (1–30 MHz),

-25 dB min (30–60 MHz),

-20 dB min (60–100 MHz)

Crosstalk (CT)

-40 dB min (1–60 MHz),

-35 dB min (60–100 MHz)

-33 dB min (1–60 MHz),

-30 dB min (60–100 MHz)

-40 dB min (1–60 MHz),

-35 dB min (60–100 MHz)

Mounting Type SMT  SMT  SMT 
Operating Temperature -40°C to +85°C -40°C to +85°C -40°C to +85°C
DC Resistance (Max) 500mΩ (100 kHz / 100 mV (Pins 9-16) 1300(100 kHz / 100 mV (Pins 7-12) 500(100 kHz / 100 mV (Pins 13-24)
Dimensions (L×W×H) 24.28 × 15.1 × 11.0 mm 17.1 × 14.75 × 8.65 mm 18.25 × 15.59 × 10.02 mm
Clearance distance 2.5 mm 2.5 mm 2.5 mm
Creepage distance 4 mm 4 mm 4 mm
Ports 1 1 1

 

7490140123 Datasheet 

10/100BASE-T LAN Transformer 7490140123 7490140124 7490140125 0

7490140124 Datasheet

10/100BASE-T LAN Transformer 7490140123 7490140124 7490140125 1

7490140125 Datasheet

10/100BASE-T LAN Transformer 7490140123 7490140124 7490140125 2