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20302.5: 产品描述SLOW BLOW ELECTRIC FUSE, 2.5A, 250VAC, 50A (IR), THROUGH HOLE; 产品类别电路保护电路保护; 文件大小37KB，共1页; 制造商Littelfuse; 官网地址http://www.littelfuse.com

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20302.5概述

SLOW BLOW ELECTRIC FUSE, 2.5A, 250VAC, 50A (IR), THROUGH HOLE

20302.5规格参数

参数名称	属性值
是否无铅	含铅
是否Rohs认证	不符合
厂商名称	Littelfuse
包装说明	RADIAL LEADED
Reach Compliance Code	unknown
ECCN代码	EAR99
熔断特性	SLOW
主体宽度	6.35 mm
主体高度	4.19 mm
主体长度或直径	9.45 mm
电路保护类型	ELECTRIC FUSE
JESD-609代码	e0
焦耳积分标称	2 J
安装特点	THROUGH HOLE
最高工作温度	125 °C
最低工作温度	-55 °C
物理尺寸	9.45mm x 6.35mm x 4.19mm
额定分断能力	50 A
额定电流	2.5 A
额定电压（交流）	250 V
参考标准	CSA; UL
表面贴装	NO
端子面层	Tin/Lead (Sn/Pb)
端子形状	PIN WIRE

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Surface Mount Fuses

Subminiature Surface Mount & Dip Types

FLAT-PAK

Slo-Blo

Fuse

203 Series

• For new designs please use the 465 Series, NANO

2®

250V UMF Fuse.

Fast-Acting and Slo-Blo

Fuse versions of the Flat-Pak Fuse designs are

available. Both designs are available in either a gull-wing surface mount

package or a DIP configuration for through-hole mounting.

These fuse designs feature a 250 VAC rating in a low profile,

rectangular package.

ELECTRICAL CHARACTERISTICS:

% of Ampere

Rating

100%

200%

Opening

Time

4 hours,

Minimum

1 second,

Minimum

30 seconds,

Maximum

Reference Dimensions:

202 FLAT- PAK

202GFLAT- PAK

AGENCY APPROVALS:

Recognized under the Components

Program of Underwriters Laboratories and Certified by CSA.

F 2A

250 V

9.45

(.372")

6.35

(.250")

4.19

(.165")

F 2A

250 V

9.45

(.372")

PAT 4563666

AGENCY FILE NUMBERS:

UL E10480, CSA LR 29862.

INTERRUPTING RATING:

50 amperes at 250 VAC.

6.35

(.250")

4.19

(.165")

ENVIRONMENTAL SPECIFICATION:

Operating Temperature:

–55°C to 125°C.

PHYSICAL SPECIFICATIONS:

Materials:

Body: Thermoplastic

Terminations: Tin/Lead Plated Copper

.135"

0.08 (.003")

1.40 (.055")

10.16

(.400")

0.30 (.012")

0.53

(.021")

15.24 (.600")

1.52

(.060")

DIP Configuration

(Thru-Hole) Mounting

SMF Configuration

("Gull Wing" Surface Mount)

17.12 (.674)

4.06 (.160)

2.79 (.110)

11.53 (.454)

Soldering Parameters:

Wave Solder — 260°C, 3 seconds maximum.

Reflow Solder — 215°C, 30 seconds maximum.

Solderability:

MIL-STD-202, Method 208.

Cleaning:

Board washable in most common solvents.

Recommended Pad Layout

Average Time Current Curves

1/2A

3/4A

1 1/2A

2 1/2A

1/4A

SURFACE MOUNT

1000

385

PACKAGING SPECIFICATIONS:

SMF Fuses — 24mm Tape and Reel per EIA-RS481-2

(IEC 286, part 3); 500 per reel.

DIP Fuses — Antistatic magazine, 100 per magazine.

100

PATENTED

ORDERING INFORMATION

Catalog

Number

203.250

203.500

203.750

203

001

203

01.5

203

002

203

02.5

203

003

203

004

203

005

Catalog

Number

203.250G

203.500G

203.750G

203

001G

203

01.5G

203

002G

203

02.5G

203

003G

203

004G

203

005G

Ampere

Rating

1/4

1/2

3/4

Voltage

Rating

250

Nominal

Resistance

Cold Ohms

1.36

0.433

0.158

0.0755

0.0390

0.0345

0.0237

0.0197

0.0148

0.0124

Nominal

Melting I

Sec.

0.0126

0.112

0.327

0.328

0.850

1.70

2.87

4.40

8.75

14.7

TIME IN SECONDS

SMF fuse marking includes the letter “G” next to the series number indicating “Gull-Wing”.

0.01

0.001

0.05 0.1

100

CURRENT IN AMPERES

w w w. l i t t e l f u s e . c o m

20302.5相似产品对比

	20302.5	203.250	203	203.750	203.500	20301.5
描述	SLOW BLOW ELECTRIC FUSE, 2.5A, 250VAC, 50A (IR), THROUGH HOLE	FEMALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT, RECEPTACLE	FEMALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT, RECEPTACLE	FEMALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT, RECEPTACLE	FEMALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT, RECEPTACLE	SLOW BLOW ELECTRIC FUSE, 1.5A, 250VAC, 50A (IR), THROUGH HOLE
是否无铅	含铅	含铅	-	含铅	含铅	含铅
是否Rohs认证	不符合	不符合	-	不符合	不符合	不符合
厂商名称	Littelfuse	Littelfuse	-	Littelfuse	Littelfuse	Littelfuse
包装说明	RADIAL LEADED	RADIAL LEADED	-	RADIAL LEADED	RADIAL LEADED	RADIAL LEADED
Reach Compliance Code	unknown	unknown	-	unknown	unknown	unknown
ECCN代码	EAR99	EAR99	-	EAR99	EAR99	EAR99
熔断特性	SLOW	SLOW	-	SLOW	SLOW	SLOW
主体宽度	6.35 mm	6.35 mm	-	6.35 mm	6.35 mm	6.35 mm
主体高度	4.19 mm	4.19 mm	-	4.19 mm	4.19 mm	4.19 mm
主体长度或直径	9.45 mm	9.45 mm	-	9.45 mm	9.45 mm	9.45 mm
电路保护类型	ELECTRIC FUSE	ELECTRIC FUSE	-	ELECTRIC FUSE	ELECTRIC FUSE	ELECTRIC FUSE
JESD-609代码	e0	e0	-	e0	e0	e0
安装特点	THROUGH HOLE	THROUGH HOLE	-	THROUGH HOLE	THROUGH HOLE	THROUGH HOLE
最高工作温度	125 °C	125 °C	-	125 °C	125 °C	125 °C
最低工作温度	-55 °C	-55 °C	-	-55 °C	-55 °C	-55 °C
物理尺寸	9.45mm x 6.35mm x 4.19mm	9.45mm x 6.35mm x 4.19mm	-	9.45mm x 6.35mm x 4.19mm	9.45mm x 6.35mm x 4.19mm	9.45mm x 6.35mm x 4.19mm
额定分断能力	50 A	50 A	-	50 A	50 A	50 A
额定电流	2.5 A	0.25 A	-	0.75 A	0.5 A	1.5 A
额定电压（交流）	250 V	250 V	-	250 V	250 V	250 V
参考标准	CSA; UL	CSA; UL	-	CSA; UL	CSA; UL	CSA; UL
表面贴装	NO	NO	-	NO	NO	NO
端子面层	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	-	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
端子形状	PIN WIRE	PIN WIRE	-	PIN WIRE	PIN WIRE	PIN WIRE

20302.5

20302.5概述

20302.5规格参数

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