0251001.MA [LITTELFUSE]

Electric Fuse, Very Fast Blow, 1A, 125VAC, 125VDC, 50A (IR), Through Hole, HALOGEN FREE;


型号：	0251001.MA
厂家：	LITTELFUSE
描述：	Electric Fuse, Very Fast Blow, 1A, 125VAC, 125VDC, 50A (IR), Through Hole, HALOGEN FREE
文件：	总4页 (文件大小：1115K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Axial Lead & Cartridge Fuses

PICO^®ll > Very Fast-Acting > 251/253 Series

251/253 Series, PICO^®II, Very Fast-Acting Fuse

TUVQPL

Description

The PICO^®II Very Fast-Acting Fuse is designed to meet an

extensive array of performance characteristics in a

space-saving subminiature package.

Features

•ꢀ Veryꢀfast-acting

•ꢀ Smallꢀsizeꢀ

•ꢀ Wideꢀcurrentꢀratingꢀrangeꢀ

(62mA- 15A)

•ꢀ Halogen-freeꢀavailableꢀ

•ꢀ Wideꢀoperatingꢀ

temperature range

•ꢀ Lowꢀtemperatureꢀrerating

Applications

Agency Approvals

Secondary protection for space constrained applications

Agency

Agency File Number

E10480

Ampere Range

62mA - 15A

•ꢀ Flat–panelꢀdisplayꢀTVꢀ

•ꢀ LCDꢀmonitor

•ꢀ Powerꢀsupply

•ꢀ Audio/Videoꢀsystem

•ꢀ Lightingꢀsystem

•ꢀ Medicalꢀequipment

•ꢀ LCDꢀbacklightꢀinverter

•ꢀ Ofﬁceꢀmachines

LR 29862

JET1896-31007-1004

J50158379

1A - 5A

Electrical Characteristics for Series

500mA - 10A

62mA - 15A

TUV

% of Ampere

Ampere Rating

Rating

OpeningTime

FM10

QPL

100%

62mA - 15A

62mA - 7A

10A

4 Hours, Min.

1 Second, Max.

3 Seconds, Max.

10 Seconds, Max.

2009010207366577 –

500mA to 5A

500mA, 1A, 2A, 2.5A,

3A, 4A, 5A

200%

12 - 15A

Additional Information

500mA, 1A, 2A,

2.5A, 3A, 4A, 5A,

7A, 10A

500mA, 1A, 2A,

2.5A, 3A, 4A, 5A,

7A, 10A

500mA, 1A, 2A,

2.5A, 3A, 4A, 5A,

7A, 10A

275%

400%

1000%

300 msecs., Max.

30 msecs., Max.

4 msecs., Max.

Datasheet

Resources

251 Series

Samples

251 Series

Datasheet

253 Series

Resources

253 Series

Samples

253 Series

Speciﬁcations are subject to change without notice.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

PICO^®ll > Very Fast-Acting > 251/253 Series

Electrical Speciﬁcations by Item

Agency Approvals

ꢀax

Nominal

Cold

Resistance

(Ohms)

Nom

Voltage

Drop

(V)

Ampere

Rating

(A)

Ordering Ordering

Number Number

Nominal

ꢀelting

Amp

Code

Voltage Interrupting

Rating

(V)

Rating

TUV

QPL

(Std.)

(ꢀil.)

I²t (A²sec)

.062

.125

.250

.375

.500

.630

.750

1.00

1.25

1.50

2.00

2.50

3.00

3.50

4.00

5.00

7. 0 0

10.0

12.0

15.0

.062 251.062 253.062

.125 251.125 253.125

.250 251.250 253.250

.375 251.375 253.375

.500 251.500 253.500

.630 251.630

125

7.000

1.700

0.665

0.395

0.280

0.205

0.175

0.128

0.100

0.0823

0.0473

0.0360

0.0290

0.0240

0.0204

0.0155

0.0105

0.00705

0.0055

0.00446

0.000113

0.00174

0.0116

0.0296

0.0598

0.094

0.153

0.256

0.390

0.587

0.405

0.721

1.19

1.58

2.45

4.14

10.4

25.5

45.2

68.8

1.4

0.285

0.24

0.215

0.2165

0.188

0.176

0.194

0.2

300 A @ rated

voltage DC

.750 251.750 253.750

001.

251001. 253001.

50 A @ rated

voltage AC

1.25 2511.25

01.5

25101.5 25301.5

0.21

For CCC 7A:

70 A @ rated

voltage AC

002. 251002. 253002.

02.5 25102.5

003. 251003. 253003.

03.5 25103.5

004. 251004. 253004.

005. 251005. 253005.

0.141

0.132

0.131

0.1205

0.114

0.11

0.102

0.1

0.0878

0.071

For CCC 10A:

100 A @ rated

voltage AC

0 0 7.

251007. 253007.

010. 251010. 253010.

012. 251012.

015. 251015. 253015.

Note: Higher ampere ratings are available. Please contact LittelfuseTechnical Support or your Littelfuse products representative for assistance.

Speciﬁcations are subject to change without notice.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

PICO^®ll > Very Fast-Acting > 251/253 Series

Temperature Rerating Curve

AverageTime Current Curves

100

0.1

Note:

1. Rerating depicted in this curve is in addition to the standard rerating of 25% for

continuous operation.

0.01

Soldering Parameters

0.001

0.05 0.1

100

1000

Recommended Process Parameters:

CURRENT IN AMPERES

Wave ꢁarameter

ꢁreheat:

(Depends on Flux ActivationTemperature)

Temperature Minimum:

Temperature Maximum:

PreheatTime:

Solder ꢁotTemperature:

Solder DwellTime:

Recommended Hand Soldering Parameters:

Solder IronTemperature: 350° C +/- 5°C

HeatingTime: 5 seconds max.

Note:These devices are not recommended for IR or

Convection Reﬂow process

Speciﬁcations are subject to change without notice.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

PICO^®ll > Very Fast-Acting > 251/253 Series

Product Characteristics

Encapsulated, Epoxy-Coated

Body: PureTin-coated Copper wire leads

Operating Temperature –55ºC to +125ºC

Materials

MIL-STD-202, Method 213, Test

Condition I (100 G’s peak for 6

msecs.)

Solderability

Lead Pull Force

MIL-STD-202, Method 208

Shock

MIL-STD-202, Method 211, Test Condition

A (will withstand a 7lbs. axial pull test)

MIL-STD-202, Method 201 (10–55

Hz); Method 204, Test Condition C

(55–2000 Hz at 10 G’s Peak)

Vibration

251/253 Series is available in FM10 on

QPL for MIL-PRF-23419. To order, change

251 to 253

FusesTo MIL SPEC

Moisture Resistance

MIL-STD-202, Method 106

Withstands 60 seconds above 200^OC

and up to 260ºC, maximum

Resistance to Soldering

Heat

Flammability Rating

UL 94V–0

Part Numbering System

Dimensions

251 Series Markings

(T1 lead length)

0251 xxxx N R T1

62.7 (2.468")

52.4 (2.062")*

Series

251 = Standard type

27.78

(1.094")

27.78

(1.094")

7.11 (.280")

253 = Military type

1 A

2.80

(.11")

MAX

Current Rating

Refer to Amp Code column of

Electrical SpeciﬁcationsTable

5.0 (.197")

6.35 (.25")

tape

6.35 (.25")

tape

1 A

Wire Diameter:

Quantity

N = 5000

0.64 (.025") for 0.62-10.0 amp,

0.81 (.032") for 12-15 amp

= 2000

251 Series (Halogen-free Version) Markings

M = 1000

H = 100

(T1 lead length)

62.7 (2.468")

52.4 (2.062")*

27.78

(1.094")

27.78

(1.094")

Type of Packaging

7.11 (.280")

R = Reel

A = Ammo Pack

X = Loose Pack

1 A

2.80

(.11")

MAX

5.0 (.197")

6.35 (.25")

tape

6.35 (.25")

tape

Lead Length

1 A

The default lead length for Ammo pack and

Loose pack is nowT1 for 251 series, and

remainsT3 for 253 series, therefore:

T1 = 52.4mm (2.062”), 251 series only*

Blank = 52.4mm (2.062”) for 251 series*

or 73mm (2.874”) for 253 series**

Wire Diameter:

0.64 (.025") for 0.62-10.0 amp,

0.81 (.032") for 12-15 amp

253 Series Markings

(T3 lead length)

83.31 (3.28")

73.0 (2.874")**

7.11 (.280")

38.1

(1.5")

38.1

(1.5")

1 A

2.61 (.103")

MAX

5.0 (.197")

6.35 (.25")

tape

6.35 (.25")

tape

1 A

Wire Diameter:

0.64 (.025") for 0.62-10.0 amp,

0.81 (.032") for 15 amp

Packaging

Quantity &

ꢁackaging Option

ꢁackaging Speciﬁcation

EIA 296

ꢁackaging Code

*T1: 52.4mm (2.062")Tape and Reel

**T3: 73mm (2.874')Tape and Reel

Please refer to available quantities

above in "Part Numbering System”

EIA 296

The default lead length for both ammo pack and loose pack isT1 for 251 and isT3 for 253.

Notes:

T1 dimension is deﬁned as the length of the component between the two tapes. The full component length is 62.7mm (2.468").T1 length is for 251 series only.

** T3 dimension is deﬁned as the length of the component between the two tapes. The full component length is 83.3.7mm (3.28”). T3 length is for 253 series only.

Speciﬁcations are subject to change without notice.

Revised: 12/19/13

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