Bothhand USA.
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20 PIN DIP ETHERNET 10/100 BASE DUAL PORT TRANSFORMER
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P/N: 20PT1021 DATA SHEET
Feature
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IEEE 802.3 Ethernet compatible, 100 BASE-TX.
20 PIN DIP Package compatible with popular IC chips.
Design for multiport repeater and Ethernet switching Hub
application.
Customer designs available for specific application.
Operating temperature range : 0°C to +70°C.
Storage temperature range: -25°C to +125°C.
Electrical Specifications @ 25°C
Part
Number
TX
20PT1021
1CT:1CT
Turns Ratio
(±5%)
RX
1:1
OCL(ìH Min)
@100KHz/0.1Vrms
8mA DC/Bias
350
L.L
(ìH Max)
0.5
Cw/w
(pF Max)
28
Rise Time
(ns TYP)
2.5
DCR
(TX /RX)
(Ù Max)
0.9
HI- POT
(Vrms)
1500
Continue
Part
Number
20PT1021
Insertion Loss
(dB Max)
Return Loss
(dB Min)
Cross talk
(dB Min)
0.3-60MHz
-40
60- 100 MHz 0.3-30MHz
-35
-38
DCMR
(dB Min)
30-60MHz 60-100MHz
-33
-30
0.3–100MHz 0.3-30MHz 30- 60MHz 60- 80MHz
-1.15
-18
-14
-12
Schematic
Mechanical
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A7(02/06)
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