T-30405 datasheet(2/3 Pages) RHOMBUS-IND

Part #	T-30405

Description	Self-Shielded Audio Transformers

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Manufacturer	RHOMBUS-IND [Rhombus Industries Inc.]

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

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2 / 3 page

For other values & Custom Designs, contact factory.

Specifications subject to change without notice.

15801 Chemical Lane, Huntington Beach, CA 92649-1595

Tel: (714) 898-0960 • Fax: (714) 896-0971

Rhombus

Industries Inc.

Electrical Specifications at 25OC

T-30400G

600 / 600

0.0

0.7

0.50

18

31

39

Sec.

DCR max.

(

Ω )

Pri.

DCR max.

(

Ω )

UNBAL.

DC

(mA)

Insertion

Loss

(dB) (1)

Frequency

Response

(dB)

Return

Loss

(dB) (2)

Surface Mount

EP7 Style

Part Number

Impedance

(Ohms)

Electrical Specifications at 25OC

T-30402G

600 / 600

0.0

1.0

0.25

26

36

47

T-30403G

900 / 900

0.0

1.0

0.25

26

44

58

Sec.

DCR max.

(

Ω )

Pri.

DCR max.

(

Ω )

UNBAL.

DC

(mA)

Insertion

Loss

(dB) (1)

Frequency

Response

(dB)

Return

Loss

(dB) (2)

Surface Mount

EP13 Style

Part Number

Impedance

(Ohms)

Electrical Specifications at 25OC

T-30401G

600 / 600

0.0

0.9

0.50

21

34

43

Sec.

DCR max.

(

Ω )

Pri.

DCR max.

(

Ω )

UNBAL.

DC

(mA)

Insertion

Loss

(dB) (1)

Frequency

Response

(dB)

Return

Loss

(dB) (2)

Surface Mount

EP10 Style

Part Number

Impedance

(Ohms)

Self-Shielded

Audio Transformers

Using EP Geometry cores,

these transformers provide

excellent shielding.

Isolation is 1500 Vrms minimum

Longitudinal Balance is 60dB min.

Frequency range: 300Hz to 3400Hz

16

.522

(13.26)

MAX.

.100

(2.54)

.028

(0.70)

.532

(13.51)

MAX.

.516

(13.1)

.675 (17.15)

.663 (16.85)

.516

(13.1)

MAX.

.025

(0.64)

EP13 Style

Surface Mount

.465

(11.8)

MAX.

.492

(12.5)

MAX.

.098

(2.50)

.028

(0.70)

.432

(10.97)

MAX.

.413

(10.5)

.575 (14.6)

.567 (14.4)

.469

(11.9)

MAX.

.025

(0.64)

EP10 Style

Surface Mount

.100

(2.54)

TYP.

.594

(15.10)

.050

(1.27)

TYP.

8

Suggested

Pad Layout

7

6

5

1

2

3

4

.100

(2.54)

TYP.

8

7

6

.100

(2.54)

TYP.

.715

(18.15)

.050

(1.27)

TYP.

.100

(2.54)

TYP.

Suggested

Pad Layout

1

2

3

4

5

9

10

EP13 SM

EP7 SM

EP10 SM

.370

(9.40)

MAX.

.098

(2.50)

.028

(0.70)

.375

(9.53)

MAX.

.34

(8.6)

.505 (12.83)

.490 (12.45)

.375

(9.53)

MAX.

.025

(0.64)

EP7 Style

Surface Mount

2

4

7

9

1

4

5

8

1

3

4

6

1. Insertion Loss measured at 1 kHz.

2. Return Loss measured at 300 Hz.

Dimensions

in Inches (mm)

EP - 10/98

PRI

SEC.

PRI

SEC.

PRI

SEC.

Suggested

Pad Layout

.075

(1.905)

TYP.

.100

(2.54)

TYP.

.525

(13.34)

.050

(1.27)

TYP.

1

2

3

4

5

6

T-30402 & 30403G

Schematic

T-30401G

Schematic

T-30400G

Schematic

Similar Part No. - T-30405

Manufacturer	Part #	Datasheet	Description
Rhombus Industries Inc.	T-30405	74Kb / 3P	Self-Shielded Audio Transformers

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