SFT-250MATR datasheet, PDF - EEWORLD Datasheet

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SFT-250MATR: DescriptionElectric Fuse, Fast Blow, 0.25A, 125VAC, 125VDC, 50A (IR), Surface Mount; CategoryCircuit protection Circuit protection; File Size128KB，2 Pages; ManufacturerCooper Industries

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SFT-250MATR Overview

Electric Fuse, Fast Blow, 0.25A, 125VAC, 125VDC, 50A (IR), Surface Mount

SFT-250MATR Parametric

Parameter Name	Attribute value
Maker	Cooper Industries
Reach Compliance Code	unknow
ECCN code	EAR99
Other features	RATED BREAKING CAPACITY AT 125 VDC: 300 A
Fusing characteristics	FAST
body width	4.32 mm
body height	3 mm
Body length or diameter	7.47 mm
Circuit protection type	ELECTRIC FUSE
JESD-609 code	e0
Joule integral nominal
Manufacturer's serial number	SFT
Installation features	SURFACE MOUNT
method of packing	TAPE AND REEL
physical size	7.47mm x 4.32mm x 3mm
Rated breaking capacity	50 A
Rated current	0.25 A
Rated voltage (AC)	125 V
Rated voltage (DC)	125 V
Guideline	CSA; UL
surface mount	YES
Terminal surface	TIN LEAD
Terminal shape	WRAPAROUND

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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

Opening Time

100%

4 Hours Minimum

200%

60 Seconds Maximum

250%

5 Seconds Maximum

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

Environmental Data

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

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

Soldering Method

• Wave Immersion: 260°C, 10 sec max

• IR Reflow: 260°C, 30 sec max

Ordering

• Specify product code and packaging code

Typical Voltage

Rated

Interrupting

Pre-arcing

Typical Total Clearing

Drop

Volts at

Product

Voltage

Rating

T (A

sec)

T (A

sec)

100% Rated

Code

AC (Max.)

DC (Max.)

Current

SFT-63mA

125V

50A

300A

SFT-125mA

125V

50A

300A

SFT-250mA

125V

50A

300A

7.49 x 10

-5

5.1 x 10

-6

2.0 x 10

-4

6.29 x 10

-6

SFT-375mA

125V

50A

300A

3.17 x 10

-4

2.18 x 10

-5

4.18 x 10

-4

2.67 x 10

-5

.75

SFT-500mA

125V

50A

300A

4.46 x 10

-4

3.8 x 10

-5

5.74 x 10

-4

4.63 x 10

-5

.66

SFT-750mA

125V

50A

300A

1.72 x 10

-3

2.27 x 10

-4

2.59 x 10

-3

2.77 x 10

-4

.525

SFT-1

125V

50A

300A

.0099

.0069

.0114

.0076

.12

SFT-1.5

125V

50A

300A

.0302

.0204

.0345

.0246

.20

SFT-2

125V

50A

300A

.0784

.0651

.0891

.0811

.170

SFT-2.5

125V

50A

300A

.1775

.1390

.2383

.1574

.145

SFT-3

125V

50A

300A

.3355

.2419

.4359

.2664

.130

SFT-3.5

125V

50A

300A

.4980

.3812

.6355

.4696

.155

SFT-4

125V

50A

300A

.8855

.6785

1.0740

.7829

.135

SFT-5

125V

50A

300A

1.7264

1.2912

2.3779

1.3556

.125

SFT-7.0A

60V

90V

50A

300A

1.64

.518

1.97

.573

.114

SFT-10.0A

60V

90V

50A

300A

3.79

1.06

3.92

1.67

.130

SFT-12.5A

48V

60V†

50A

300A

4.04

4.28

.090

†

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. I

t 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.

de FA

en 25

-25

mm 61

ata

(3.00 mm) (± .10)

ent

lac

Dimensional Data

.29" (± .015)

(7.47 mm) (± .006)

BUSS

SFT

125V

A123

.17" (± .015)

(4.32 mm) (± .006)

.118" (± .004)

.05"

(1.27 mm)

.09" (± .015)

(2.29 mm) (± .006)

Trace Geometry

Detail A

.060"

060"

.350"

.100"

000

.114"

2.550"

2.495"

2.305"

2.250"

4.800"

4.550"

.250"

000

.055

Electrical Characteristics

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