2771K

更新时间： 2024-02-10 08:37:46

品牌	Logo	应用领域
BEL		变压器
页数	文件大小	规格书
2页	47K
描述
HIGH FREQUENCY MAGNETICS T1/E1 Surface Mount Shielded Hardened Transformers

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技术参数
数据手册

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2771K 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	风险等级：	5.76
Is Samacsys：	N	连接器类型：	TELECOM AND DATACOM CONNECTOR
Base Number Matches：	1

2771K 数据手册

HIGH FREQUENCY MAGNETICS

T1/E1 Surface Mount Shielded Hardened Transformers

TM00141

•

Operates at the rate of 1.544 Mb/s and the E1 rate of

2.048 Mb/s

•

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

Meets IEC 695, 2-2 flammability requirements

Interwinding Electrostatic Shield provides low

capacitance and high EMI suppression

PWB Process Capability: standard printed wiring board

assembly techniques, total-immersion cleaning

2771K and S553-6500-84: Winding (4-1) is

hardened to handle a 6A surge for 1 second

•

Reliability testing: Shock, vibration, temperature cycling,

temperature - humidity - bias

2771M: All windings are hardened to handle a 6A

surge for 1 second

Minimum Interwinding Breakdown Voltage of 1500

Vrms

ELECTRICAL SPECIFICATIONS AT 25° C

DCR

Turns Ratio

Leakage

Inductance²

µH max

Ω

max

Interwinding

Capacitance³

pF max

± 2%

Primary

Inductance¹

mH min

Part Number

Pri : Sec

1 CT : 2

Pri

Sec³

2.50

0.65

1.25

2771K

2771M

2.75

1.10

2.75

2.8

0.65

2.8

0.70

0.45

0.70

1 : 1.37 CT

1 CT : 1

S553-6500-84

1. measured at 10 kHz, 0.1 Vac

2. measured at 100 kHz, 0.1 Vac

3. with shield grounded

SCHEMATICS

2771M

S553-6500-84

2771K

Primary

Secondary

Primary

Secondary

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

T1-91

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