2795J

更新时间： 2024-02-28 08:57:55

品牌	Logo	应用领域
BEL		/
页数	文件大小	规格书
2页	43K
描述
HIGH FREQUENCY MAGNETICS T1/E1 Miniature Surface Mount Tranformers

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技术参数
数据手册

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2795J 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	风险等级：	5.91
其他特性：	DATA COUPLING	认证：	UL
高度：	6.73 mm	长度：	6.1 mm
安装特点：	SURFACE MOUNT	最高工作温度：	85 °C
最低工作温度：	-40 °C	包装方法：	TAPE & REEL
物理尺寸：	L6.1XB6.73XH6.73 (mm)	表面贴装：	YES
变压器类型：	TELECOM TRANSFORMER	宽度：	6.73 mm
Base Number Matches：	1

2795J 数据手册

HIGH FREQUENCY MAGNETICS

T1/E1 Miniature Surface Mount Tranformers

TM00143

•

Meet pulse template and return loss requirements of T1/

E1 interface circuits

•

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

Meets IEC 695, 2-2 flammability requirements

Designed to meet stringent requirements of low-voltage

applications

PWB Process Capability: standard printed wiring board

assembly techniques, total-immersion cleaning

Maximum inductance unbalance of center-tapped

windings is 0.2%

•

Reliability testing: shock, vibration, temperature cycling,

temperature - humidity - bias

Minimum interwinding breakdown voltage of 1500 Vrms

ELECTRICAL SPECIFICATIONS at 25° C

Surge Voltage Capability³

DCR

Turns Ratio

Ω

max

Primary

± 1%

Leakage

Interwinding

Capacitance

pF typ

Part Number

Inductance¹

mH min

Inductance²

µH max

Metallic

V peak

Longitudinal

V peak

Pri : Sec

(4 - 6)

(3 - 1)

2795K

2795H

2795L

2795J

1 : 1.93CT

0.810

1.3⁴

0.4

0.5

0.6

0.4

1.2

2.3

3000

2500

1 : 2CT

1 : 2.1CT

1 : 2.45CT

1.8

1.5

3.7

3.8

3.7

1.1

0.950

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

2795H

2795J

2795K

2795L

Frequency

Interface

51 kHz

14 dB

9 dB

102 kHz

20 dB

2 MHz

20 dB

15 dB

3 MHz

2 CT

Receive

16 dB

11 dB

Transmit¹

15 dB

Secondary

Primary

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

Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

T1-95

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