Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

Part Numbers And Specifications

Parameters

Unit

LM-NP LM-NP

LM-NP

LM-NP

LM-NP

LM-LP

LM-LP

LM-LP

LM-LP

LM-LP

1001-B1

1002

1003

1004

1005

1001

1002

1003

1004

1005

Ref. Temperature Data

°C

25

25

25

25

25

25

25

25

25

25

Impedance

Primary

Ω

600

600

600

600

600

600

600

600

600

600

(min./at 1.0 kHz)

(150, 150) (150+150)

(150, 150) (150+150)

Secondary

Ω

600

600

600

600

600

600

600

600

600

600

(150,150) (150+150) (150,150)

(150+150)

(150,150)

(150+150)

(150,150) (150+150)

Inductance

Primary

H

2.8

2.8

2.8

2.8

2.8

2.8

2.8

2.8

2.8

2.8

(min./at 0.2 kHz)

(0.7, 0.7) (0.7+0.7)

(0.7, 0.7) (0.7+0.7)

Secondary

H

2.8

2.8

2.8

2.8

2.8

2.8

2.8

2.8

2.8

2.8

(0.7,0.7) (0.7+0.7) (0.7,0.7)

(0.7+0.7)

(0.7,0.7) (0.7+0.7)

(0.7,0.7) (0.7+0.7)

DC-Resistance

Primary

Ω

66

66

66

66

66

90

90

90

90

90

(typical/±10 %)

(33,33)

(33+33)

(45,45)

45+45)

Secondary

Ω

66

66

66

66

66

90

90

90

90

90

(33,33)

(33+33)

(33,33)

(33+33)

(45,45)

(45+45)

(45,45)

45+45)

Turns Ratio (≤ ±2 %)

—

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:1

Winding

—

—

one

one

both

both

—

one

one

both

both

Configurations

winding

winding windings windings

winding

winding

windings windings

center

split

center

split

center

split

center

split

tapped

tapped

tapped

tapped

Insertion Loss (at 2.0 kHz)

dB

≤ 1.5

≤ 2.0

Return Loss

Transformer

dB

≥ 10.0

≥ 8.0

(0.2 - 4.0 kHz)

In Networks

≥ 21.0

≥ 20.0

Shunt Loss (typical)

kΩ

9.0

9.0

Frequency Response

dB

- 0.3

- 0.5

(typ./0.2 - 3.5 kHz)

Wide Band Response

dB

- 2.5

- 4.5

(0.2 - 10.0 kHz)

Power Level

dBm

- 45.0 to + 3.0

- 43.0 to + 3.0

Longitudinal Balance

dB

-80.0

- 70.0

(0.3 - 4.0 kHz)

Distortion (0 dB/at 1.0 kHz)

%

≤ 0.1

≤ 0.25

Leakage Induction (typical)

mH

14.0

14.0

Dielectric Strength (P/S)

kVDC

6.5

6.5

Temperature Range

Operation

°C

-10 to +60

-10 to +60

Storage

°C

-20 to +70

-20 to +70

Specifications Met

BS 6204: Construction and flammability (UL 94 VO)

CCITT: Rec. T/CD 1-1

BS 6301: Isolation

(Sept. 1982)

BS 6305: Return loss (1982/paragraph 4.3.2.2/b)

LM-NP/-LP 1000 Series - Line Matching Transformers

REV. 04/05