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产品型号0251001.MXL的Datasheet PDF文件预览

Axial Lead & Cartridge Fuses

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

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

TUV QPL

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

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temperature range

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range (62mA- 15A)

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rerating

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Applications

Agency Approvals

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Agency

Agency File Number

Ampere Range

62mA - 15A

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E10480

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LR 29862

JET 1896-31007-1001

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

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.

251/253 Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/251.html

or /253.html for current information.

Revised: September 6, 2012

Axial Lead & Cartridge Fuses

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

Electrical Speciﬁcations by Item

Agency Approvals

Max

Nominal

Cold

Resistance

(Ohms)

Nom

Voltage

Drop

(V)

Ampere

Rating

(A)

Ordering Ordering

Number Number

Nominal

Melting

Amp

Code

Voltage Interrupting

Rating

(V)

Rating

TUV

(Std.)

(Mil.)

I²t (A²sec)

QPL

.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

7.00

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

WPMUBHFꢀ%$

.750 251.750 253.750

001.

251001. 253001.

50 A @ rated

WPMUBHFꢀ"$

1.25 2511.25

01.5

25101.5 25301.5

0.21

For CCC 7A:

70 A @ rated

WPMUBHFꢀ"$

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

WPMUBHFꢀ"$

007.

251007. 253007.

010. 251010. 253010.

012. 251012.

015. 251015. 253015.

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251/253 Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/251.html

or /253.html for current information.

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 Parameter

Preheat:

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Temperature Minimum:

Temperature Maximum:

PreheatTime:

Lead-Free Recommendation

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100° C

150° C

60-180 seconds

Solder PotTemperature:

Solder DwellTime:

260° C Maximum

2-5 seconds

Recommended Hand Soldering Parameters:

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HeatingTime: 5 seconds max.

Note:These devices are not recommended for IR or

Convection Reﬂow process

251/253 Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/251.html

or /253.html for current information.

Axial Lead & Cartridge Fuses

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

Product Characteristics

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Materials

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Condition I (100 G’s peak for 6

msecs.)

Solderability

Lead Pull Force

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Shock

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Vibration

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

251 to 253

FusesTo MIL SPEC

Moisture Resistance

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and up to 260ºC, maximum

Resistance to Soldering

Heat

Flammability Rating

UL 94V–0

Part Numbering System

Dimensions

251 Series (RoHS Version) Markings

(T1 lead length)

0251 xxxx N R T1 L

62.7 (2.468")

52.4 (2.062")*

27.78

(1.094")

Series

251 = Standard type

(1.094")

7.11 (.280")

1 A

253 = Military type

2.80

(.11")

MAX

5.0 (.197")

6.35 (.25")

tape

6.35 (.25")

tape

Current Rating

Refer to Amp Code column of

Electrical Specifications Table

1 A

Wire Diameter:

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

0.81 (.032") for 12-15 amp

Quantity

251 Series (RoHS and Halogen-free Version) Markings

N = 5000

P = 2000

M = 1000

H = 100

(T1 lead length)

62.7 (2.468")

52.4 (2.062")*

27.78

(1.094")

27.78

(1.094")

7.11 (.280")

1 A

Type of Packaging

R = Reel

A = Ammo Pack

X = Loose Pack

2.80

(.11")

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 12-15 amp

Lead Length

The default lead length for Ammo pack and

Loose pack is now T1 for 251 series, and

remains T3 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**

253 Series (RoHS Version) Markings

(T3 lead length)

83.31 (3.28")

73.0 (2.874")**

38.1

(1.5")

38.1

(1.5")

7.11 (.280")

1 A

2.61 (.103")

MAX

5.0 (.197")

6.35 (.25")

tape

6.35 (.25")

tape

Option Codes

= RoHS + HF

1 A

Wire Diameter:

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

0.81 (.032") for 15 amp

Packaging

Quantity &

Packaging Option

Packaging Speciﬁcation

EIA 296

Packaging Code

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above in "Part Numbering System”

EIA 296

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/PUFTꢆꢀꢀꢀ

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ꢀ

251/253 Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/251.html

or /253.html for current information.

型号:	0251001.MXL
是否无铅：	含铅
是否Rohs认证：	符合
生命周期：	Active
IHS 制造商：	LITTELFUSE INC
包装说明：	HALOGEN FREE AND ROHS COMPLIANT
Reach Compliance Code：	not_compliant
ECCN代码：	EAR99
HTS代码：	8536.10.00.40
风险等级：	0.52
Is Samacsys：	N
其他特性：	RATED BREAKING CAPACITY AT 125 VDC: 300 A
熔断特性：	VERY FAST
主体高度：	7.11 mm
主体长度或直径：	2.8 mm
电路保护类型：	ELECTRIC FUSE
保险丝类：	Supplemental
保险丝尺寸：	PICO
JESD-609代码：	e3
焦耳积分标称：
安装特点：	THROUGH HOLE
最高工作温度：	125 °C
最低工作温度：	-55 °C
包装方法：	BULK
物理尺寸：	2.8mm x 7.11mm
预放电的额定值：	0.256 A2/s
额定分断能力：	50 A
额定电流：	1 A
额定电压：	125 V
额定电压（交流）：	125 V
额定电压（直流）：	125 V
参考标准：	CCC; CSA; PSE; QPL; TUV; UL
表面贴装：	NO
端子面层：	Matte Tin (Sn)
端子形状：	PIN WIRE
断开时间或延迟：	14400 s
Base Number Matches：	1

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