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Электронный компонент: 20PMT03

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Prepared: Dennis Hsieh
Approved: Jess Kuo
Date: Mar 31,1997.
Drawing no.: 20PMT03
REV: 0
Page: 1 / 1
10/100 Base TX Transformer
YCL
Designed for general Chipsets
Model No.: 20PMT03
Feature:
Designed to meet IEEE802.3u Requirement.
Designed to meet IR 235 Degree C Peak Requirement.
Specifications
: At 25 degree C.
1. Primary inductance (Lp): 350
H min. @ 100Khz/100mV/8mAdc bias.
2. Leakage inductance (L
L
): 0.9
H max. @ 100Khz/100mV.
3. Primary Capacitance (Cww): 18pf max.
4. Turn Ratio: TX: 1CT:1CT, RX: 1CT:1CT
Parts no.
20PMT03
Insertion
Loss
(dB max)
1-125MHz
Rise Time
(ns typical)
Return Loss
(dB typical)
Crosstalk
(dB min)
Isolation
Voltage
(Vrms min)
CMRR
(dB min)
MHz
MHz
MHz
0.1-60
60-100
60-100
60-100
0.1-60
0.1-60
1500
-1.1
2.5
-18TX
/-17RX
-13TX
/-15RX
-42TX
/40RX
-40TX
/-35RX
-40
-38
Dimension: mm(inch) +/-0.25(0.010)
16.00(0.630)
9.40(0.370)
2.54(0.100
17.78(0.700
25.40(1.000
1
2.54
(0.100)
17.02
(0.670)
17.78(0.700
2.54(0.100
1.02
(0.040)
Suggested footprint
6.35
(0.250)
Schematic:
1
3
6
TD+
TD-
TX+
TX-
8
CMT
16
15
9
10
RX+
CT
RX-
RD+
RD-
CT
CT 4
5
13
12