10/100BASE-T LAN Transformer 7490140123 7490140124 7490140125

Price Negotiable

Price: $0.06-$2.2

MOQ: 400/2000/10K/25K

Delivery Time: Stock

Brand: LINK-PP

Product Description

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)	1300mΩ (100 kHz / 100 mV (Pins 7-12)	500mΩ (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