2795L Datasheet

IC型號(hào)：
2795L
PDF描述：
T1/E1 Transformer Miniature
文件大?。?/label>
42.98KB
PDF頁數(shù)：
2頁
芯片廠家：
ETC

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HIGH FREQUENCY MAGNETICS

T1/E1 Miniature Surface Mount Tranformers

鈥?/div>

Meet pulse template and return loss requirements of T1/ 鈥?/div>

E1 interface circuits

鈥?/div>

Designed to meet stringent requirements of low-voltage

鈥?/div>

applications

Maximum inductance unbalance of center-tapped

windings is 0.2%

Minimum interwinding breakdown voltage of 1500 Vrms

Operating temperature range: -40擄 C to +85擄 C

Meets IEC 695, 2-2 flammability requirements

PWB Process Capability: standard printed wiring board

assembly techniques, total-immersion cleaning

Reliability testing: shock, vibration, temperature cycling,

temperature - humidity - bias

TM00143

鈥?/div>

ELECTRICAL SPECIFICATIONS at 25擄 C

Part Number

Turns Ratio

鹵 1%

Primary

Inductance

mH min

Leakage

Inductance

碌H max

(4 - 6)

DCR

鈩?/div>

max

Surge Voltage Capability

Interwinding

Capacitance

pF typ

(3 - 1)

2.3

3.7

3.8

3.7

Metallic

V peak

3000

2500

Longitudinal

V peak

2500

Pri : Sec

2795K

2795H

2795L

2795J

1 : 1.93CT

1 : 2CT

1 : 2.1CT

1 : 2.45CT

0.810

1.3

1.1

0.950

0.4

0.5

0.6

0.4

1.2

1.8

1.5

1. measured at 10 kHz, 0.5 Vac

2. measured at 100 kHz, 0.1 Vac

3. See Supplementary Information

4. measured at 10 kHz, 0.1 Vac

SCHEMATIC

Minimum Return Loss for 2795J and 2795K

used with Lucent 3.3 volt transceivers

Frequency

Interface

2795H

2795J

2795K

2795L

51 kHz

102 kHz

2 MHz

3 MHz

2 CT

Receive

14 dB

20 dB

16 dB

Transmit

Secondary

9 dB

15 dB

11 dB

Primary

1. For transmit, only, place external capacitor of 470 pF 鹵 10% across winding (4-6)

漏2000 Bel Fuse Inc. Specifications subject to change without notice. 04.00

Bel Fuse Inc.

198 Van Vorst Street, Jersey City, NJ 07302 鈥?Tel 201-432-0463 鈥?Fax 201-432-9542 鈥?www.belfuse.com

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