Datasheet > SFT-3.5TR

SFT-3.5TR

更新时间： 2024-11-21 21:09:23

品牌	Logo	应用领域
库柏 - COOPER		电路保护
页数	文件大小	规格书
2页	127K
描述
Electric Fuse, Fast Blow, 3.5A, 125VAC, 125VDC, 50A (IR), Surface Mount

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中文翻译

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技术参数
数据手册

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SFT-3.5TR 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8536.10.00.40
风险等级：	5.63	其他特性：	RATED BREAKING CAPACITY AT 125 VDC: 300 A; JOULE-INTEGRAL-NOM AT 125 VDC: 0.3812
熔断特性：	FAST	主体宽度：	4.32 mm
主体高度：	3 mm	主体长度或直径：	7.47 mm
电路保护类型：	ELECTRIC FUSE	JESD-609代码：	e0
焦耳积分标称：		安装特点：	SURFACE MOUNT
包装方法：	TAPE AND REEL	物理尺寸：	7.47mm x 4.32mm x 3mm
额定分断能力：	50 A	额定电流：	3.5 A
额定电压（交流）：	125 V	额定电压（直流）：	125 V
参考标准：	CSA; UL	表面贴装：	YES
端子面层：	TIN LEAD	端子形状：	WRAPAROUND
Base Number Matches：	1

SFT-3.5TR 数据手册

SMD TRON Surface Mount Fuses

SFT Series

Description

• Fast Acting Surface Mount Fuse

• Solid matrix design encapsulated in a

94V-O thermoplastic body

• Copper Leads with a tin/lead finish

• Fuses marked with catalog symbol, ampere rating,

and voltage rating

ELECTRICAL CHARACTERISTICS

% of Amp Rating

100%

Opening Time

4 Hours Minimum

60 Seconds Maximum

5 Seconds Maximum

200%

250%

Dimensional Data

.29" ( .015)

(7.47 mm) ( .006)

Agency Information

• UL Recognition Guide and File numbers:

JDYX2 & E19180 (0-10A, 12.5A AC only)

CSA Certification Record No: Class #1422-01,

File #53787

.17" ( .015)

(4.32 mm) ( .006)

•

Environmental Data

• Resistance to Solder Heat: MIL-STD-202F, Method B

• Vibration: MIL-STD-202F, Method 204 Test Condition A

.118" ( .004)

(3.00 mm) ( .10)

(1.27 mm)

.05"

.09" ( .015)

(2.29 mm) ( .006)

Soldering Method

• Wave Immersion: 260°C, 10 sec max

• IR Reflow: 260°C, 30 sec max

Trace Geometry

.060"

Detail A

Ordering

.350"

.100"

000

• Specify product code and packaging code

.114"

.055"

Electrical Characteristics

Typical Voltage

Drop²Volts at

100% Rated

Current

Rated

Voltage

Interrupting

Rating¹

Pre-arcing

I²T (A²sec)

Typical Total Clearing³

Product

I²T (A²sec)

Code

AC (Max.)

DC (Max.)

125V

90V

SFT-63mA

SFT-125mA

SFT-250mA

SFT-375mA

SFT-500mA

SFT-750mA

SFT-1

SFT-1.5

SFT-2

SFT-2.5

SFT-3

SFT-3.5

SFT-4

SFT-5

SFT-7.0A

SFT-10.0A

SFT-12.5A

125V

60V

50A

300A

-5

-6

-4

-6

-5

-4

7.49 x 10

3.17 x 10

4.46 x 10

1.72 x 10

.0099

.0302

.0784

.1775

.3355

.4980

.8855

1.7264

1.64

3.79

5.1 x 10

2.0 x 10

4.18 x 10

5.74 x 10

2.59 x 10

.0114

.0345

.0891

.2383

.4359

6.29 x 10

2.67 x 10

4.63 x 10

2.77 x 10

.0076

.0246

.0811

.1574

.2664

.4696

.7829

1.3556

.573

1.67

.75

.66

.525

.12

-4

-3

-5

-4

-3

2.18 x 10

-5

3.8 x 10

2.27 x 10

.0069

.0204

.0651

.1390

.2419

.3812

.6785

1.2912

.518

-4

.20

.170

.145

.130

.155

.135

.125

.114

.130

.090

.6355

1.0740

2.3779

1.97

3.92

60V

48V

90V

60V†

1.06

4.04

4.28

† NOTE: SFT 12.5A is UL recognized on AC Only.

1. Interrupting ratings were measured at 100% power factor on AC, and a time constant less than 1ms on DC.

2. Voltage drop was measured at 25°C 3°C ambient temperature at rated current with device mounted on a circuit trace.

3. I²t measured at 50 amp, 125 VAC, .95PF, random closing angle; 300 amps, 125 VDC, TC<1ms.

4. Device designed to carry 100% of rated current for four hours minimum. An operating current of 80% or less of rated current is recommended, with further derating

required at elevated ambient temperatures.

中文翻译

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