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产品知识

1245(4512)贴片保险丝

1245贴片保险丝,4512贴片保险丝 2023-04-04 点击数:2139

1. 产品特性及应用范围 / Description, Features and Applications

本产品适用于各类电子设备电路初、次级电路板的过流保护, 广泛应用于固态照明、电池充电、

消费电子、电子镇流器、LED AC/DC 电源供应、网络通信、医疗仪器及工业控制器等领域。

Descriptions

REOMAX R1245T series slow-blow square Surface Mount fuses are ceramic tube/end cap constructions,

RoHS compliant, Halogen Free and lead(Pb) exempts of the requirements of RoHS Directive(2002/95/EC), with U.S.

(UL/CSA) safety agency approvals. Provide board level primary and secondary circuit protection in a wide variety

of applications. With excellent inrush current withstanding capability, excellent reliability for thermal and mechanic

shock, also have a high reliability and stable solder ability, end caps are available in gold/silver/nickel plated.

Features

• Time-Lag ( slow-blow ) • Small size(12.4mm*4.5mm)

• Wide range of current rating available • Wide operating temperature

 range

• Low temperature de-rating • RoHS compliant

• Tape and Reel for automatic placement • Conflict free metals

Applications

• LED lighting • Notebook PC • Battery devices • LCD/PDP devices

• LCD backlight inverter • Portable Devices • Power supply • Networking devices

• PC server • Cooling fan system • Storage system • Telecom system

• Wireless base station • White goods • Game console • Office equipment

• Digital camera • Industrial equipment • Medical equipment • Automotive devices

2. 安规认证标准及编号 / Standards and Agency Approvals

2.1 执行标准:遵循UL 248-14。

Standards:In accordance with UL 248-14.

2.2 认证范围 Certification:

安规标准 认证范围 证书编号

Agency Ampere Range Agency File Number

15A ~ 100A E502159 (JDYX2)

15A ~ 100A E502159 (JDYX8)

2.3 目录编号 Catalogue No.,● 已认证Approved / ○ 认证中Pending

目录编号

Catalog

No.

额定电流

Ampere

Rating

额定电压

Voltage

Rating

分断能力

Breaking

Capacity

冷阻值

Nominal Cold

Resistance

(Ohms)

熔化热能

I2TMelting

Integral(A2.S)

安规认证

Agency Approvals

250V/125VAC/DC

72V63V/32VDC

200A@250VAC

500A:@125VAC

1000A@72V63V/32VDC

 

R1245T.100 100A 0.000710 8088 ● ●

Ø *: These catalog no. cold resistance and I2t value are pending due to fuse elements shall be customized;

Ø DC Cold Resistance are measured at <10% of rated current in ambient temperature of 25℃;

Ø Typical Pre-arching I2t are calculated at 10*In Current or 8ms;

Ø Min Interrupting Rating: 1.35*In.

3. 产品标示 / Product Marking

保险丝上需有下列标示 / The fuses shall have the following markings

示例Example:

100A 制造厂商标识/REOMAX Trade Mark:

额定电流/Rated Current (A): A 或or mA

:对于标示的大小和位置没有规定 / Note: Size and position of the markings shall not be provided.

5. 材料明细 / Material Details

编 号 零 件 名 称 材 质

NO. Part Name Material

1 端帽End caps 黄铜镀金Au Plated Brass Cap

2 主体Body 陶瓷管Non-Transparent Square Ceramic Tube

3 熔丝Fuse element 合金Cu-Ag Alloy wire

6. 产品特性 / Product Characteristics

编号 项目 内容 参考标准

NO. Item Content Reference standards

1

产品标识

Product Marking

Brand, Ampere Rating REOMAX marking standards

 

2

工作温度

Operating Temperature

-55°C to 125°C

–55ºC to 125ºC with proper

derating

 

3

可焊性

Solderability

T=240°C±5°C , t=3sec±0.5sec,

Coverage95%

MIL-STD-202, Method 208

 

4

耐焊接热

Resistance to Soldering Heat

10 sec at 260°C

MIL-STD-202, Method 210, Test

condition B

5

绝缘阻抗

Insulation Resistance (after

Opening)

10,000 ohms minimum

MIL-STD-202, Method 302, Test

Condition A

6

热冲击

Thermal Shock

5 cycles, -65°C / +125°C, 15

minutes at each extreme

MIL-STD-202, Method 107, Test

Condition B

7

机械冲击

Mechanical Shock

100G’s peak for 6 milliseconds,

3cycles

MIL-STD-202, Method 213, Test

I

8

振动试验

Vibration

0.03”amplitude, 10-55 Hz in 1

min. 2hrs each XYZ=6hrs

MIL-STD-202, Method 201

 

9

耐湿性

Moisture Resistance

10 cycles MIL-STD-202, Method 106

 

10

盐雾试验

Salt Spray

5% salt solution, 48hrs

MIL-STD-202, Method 101, Test

Condition B

7. 电气特性 / Electrical Characteristics

7.1 实验条件:Test Condition

所有测试环境温度为25±5℃。

All electrical test is to be conducted with the ambient air at a temperature of 25±5℃.

7.2 分断能力 Interrupting Rating:

保险丝承受分断能力:200A @250VAC500A:@125VAC 1000A@72V63V/32VDC

Breaking Capacity: 200A @250VAC500A:@125VAC 1000A@72V63V/32VDC

7.3 熔断时限 / Operating Characteristics

额定电流的% 熔断时间

% of Ampere Rating(In) Blowing Time

100% * In 大于4 小时(4 hours Min)

200% * In 小于60 秒 (60 sec Max)

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