T-18303 datasheet(1/1 Pages) RHOMBUS-IND

Part #	T-18303

Description	ISDN S-Interface Low Profile SMT Dual Transformers

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Manufacturer	RHOMBUS-IND [Rhombus Industries Inc.]

Direct Link	http://www.rhombus-ind.com

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1 / 1 page

www.rhombus-ind.com

TEL: (714) 898-0960

sales@rhombus-ind.com

FAX: (714) 896-0971

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ISDNDLPSM 2002-01

1) Primary is Line Side

2) Inductances measured at 10 KHz and 700 mV

3) Unbalanced current at TE:

∆ Idc = 1 mA max.

.100

(2.54)

TYP.

.040

(1.02)

TYP.

.018

(0.46)

TYP.

.737

(18.72)

.022

(0.56)

.080

(2.03)

.590

(14.99)

.960

(24.38)

MAX.

TYP.

.010

(0.25)

TYP.

.300

(7.62)

MAX.

Meets the Pulse Waveform Template of CCITT I.430

when recommended Transformer & Chip pair are used.

Excellent Longitudinal Balance

2000VRMS min. Isolation

Tape and Reel Available

ISDN S-Interface

Low Profile SMT

Dual Transformers

Dual - Transmit / Receive

Electrical Specifications (1,2,3) at 25OC

2000V

RMS

OCL

L

Cw/w

CD pri

DCR pri

DCR sec

Isolation

Transmit

Ratio

Pri. min.

Sec. max.

max.

+ 25%

SMD P/N

Receive

( + 2%)

( mH )

(

µH )

( pF )

(

Ω )

(

Ω )

T-18300

T

1:2.5

22

40

100

110

2.4

5.3

R

1:2.5

22

40

100

110

2.4

5.3

T-18301

T

1:2

22

11

100

180

2.4

4.4

R

1:2

22

11

100

180

2.4

4.4

T-18302

T

1:2

22

5

85

80

2.4

4.2

R

1:2

22

5

85

80

2.4

4.2

T-18303

T

1:1

22

5

100

42

2.4

R

1:1

22

5

100

42

2.4

T-18304

T

1:1

22

4

100

42

2.4

R

1:2

22

5

100

80

2.4

4.2

T-18305

T

1:1.8

22

15

100

160

2.4

3.8

R

1:1.8

22

15

100

160

2.4

3.8

Dimensions in Inches (mm)

Schematic

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