20PT1021S datasheet(1/6 Pages) BOTHHAND

Part #	20PT1021S

Description	10/100 BASE DUAL PORT TRANSFORMERS

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Manufacturer	BOTHHAND [Bothhand USA, LP.]

Direct Link	http://www.bothhandusa.com

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10/100 BASE DUAL PORT TRANSFORMERS

BOTHHAND

USA.

462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434

Bothhand USA. e-mail: sales@bothhandusa.com http://www.bothhand.com

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

Operating temperature range : 0℃ to +70℃.

Storage temperature range: -40℃to +100℃.

Electrical Specifications @ 25℃

Isolation Voltage : 1500 Vrms

OCL(100KHz, 0.1Vrms with 8mA/DC Bias) : 350uH Min.

Leakage Inductance : 0.5uH Max.

Cw/w : 28pF Max.

DCR : 0.9Ω Max.

Rise Time : 2.5nS Typ.

Insulation Resistance: 10,000 MΩ

Turn Ratio

(±5%)

Insertion Loss

(dB Max)

Return Loss

(dB Min)

Cross talk

(dB Min)

CMRR (dB Min)

Part

Number

Transmit

Receive

0.3~100MHz 0.3-30MHz 30-60MHz 60-80MHz

0.3-100

MH

0.3-60MHz 60-100MHz

Mech.

20PT1021

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1021A

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1021B

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1021C

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1021D

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1021E

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1021F

1CT:1CT

1:1

-1.1

-18

-14

-12

-38

-40

DP1

20PT1021G

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1021H

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1021J

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1021R

1CT:1CT

1:1

-1.0

-18

-14

-12

-38

-40

DP1

20PT1021S

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP2

20PT1021S-2

2CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP2

20PT1022

1CT:1CT

1:1

-1.15

-18

-14

-12

-35

-40

-30

DP1

20PT1023

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1025

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

20PT1025A

1CT:1CT

1:1

-1.15

-18

-14

-12

-38

-40

DP1

Note : 20PT1021S-2 Leakage Inductance : 1.3uH Max(Transmit)/0.5uH Max.(Receive)

Note:20PT1021R Leakage Inductance : 0.4 uH Max , CW/W : 20 pF Max

Note: 20PT1021S CW/W: 25 pF Max

462 Boston St - Topsfield, MA 01983 - Phone: 978-887-8050 - Fax: 978-887-5434

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