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        產品知識

        1245(4512)貼片保險絲

        1245貼片保險絲,4512貼片保險絲 2023-04-04 點擊數:2025

        1. 產品特性及應用范圍 / Description, Features and Applications

        本產品適用于各類電子設備電路初、次級電路板的過流保護, 廣泛應用于固態照明、電池充電、

        消費電子、電子鎮流器、LED AC/DC 電源供應、網絡通信、醫療儀器及工業控制器等領域。

        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. 安規認證標準及編號 / Standards and Agency Approvals

        2.1 執行標準:遵循UL 248-14。

        Standards:In accordance with UL 248-14.

        2.2 認證范圍 Certification:

        安規標準 認證范圍 證書編號

        Agency Ampere Range Agency File Number

        15A ~ 100A E502159 (JDYX2)

        15A ~ 100A E502159 (JDYX8)

        2.3 目錄編號 Catalogue No.,● 已認證Approved / ○ 認證中Pending

        目錄編號

        Catalog

        No.

        額定電流

        Ampere

        Rating

        額定電壓

        Voltage

        Rating

        分斷能力

        Breaking

        Capacity

        冷阻值

        Nominal Cold

        Resistance

        (Ohms)

        熔化熱能

        I2TMelting

        Integral(A2.S)

        安規認證

        Agency Approvals

        250V/125VAC/DC

        72V63V/32VDC

        200A@250VAC

        500A:@125VAC

        1000A@72V63V/32VDC

         

        R1245T.100 100A 0.000710 8088 ● ●

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

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

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

        ? Min Interrupting Rating: 1.35*In.

        3. 產品標示 / Product Marking

        保險絲上需有下列標示 / The fuses shall have the following markings

        示例Example:

        100A 制造廠商標識/REOMAX Trade Mark:

        額定電流/Rated Current (A): A 或or mA

        :對于標示的大小和位置沒有規定 / Note: Size and position of the markings shall not be provided.

        5. 材料明細 / Material Details

        編 號 零 件 名 稱 材 質

        NO. Part Name Material

        1 端帽End caps 黃銅鍍金Au Plated Brass Cap

        2 主體Body 陶瓷管Non-Transparent Square Ceramic Tube

        3 熔絲Fuse element 合金Cu-Ag Alloy wire

        6. 產品特性 / Product Characteristics

        編號 項目 內容 參考標準

        NO. Item Content Reference standards

        1

        產品標識

        Product Marking

        Brand, Ampere Rating REOMAX marking standards

         

        2

        工作溫度

        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

        耐焊接熱

        Resistance to Soldering Heat

        10 sec at 260°C

        MIL-STD-202, Method 210, Test

        condition B

        5

        絕緣阻抗

        Insulation Resistance (after

        Opening)

        10,000 ohms minimum

        MIL-STD-202, Method 302, Test

        Condition A

        6

        熱沖擊

        Thermal Shock

        5 cycles, -65°C / +125°C, 15

        minutes at each extreme

        MIL-STD-202, Method 107, Test

        Condition B

        7

        機械沖擊

        Mechanical Shock

        100G’s peak for 6 milliseconds,

        3cycles

        MIL-STD-202, Method 213, Test

        I

        8

        振動試驗

        Vibration

        0.03”amplitude, 10-55 Hz in 1

        min. 2hrs each XYZ=6hrs

        MIL-STD-202, Method 201

         

        9

        耐濕性

        Moisture Resistance

        10 cycles MIL-STD-202, Method 106

         

        10

        鹽霧試驗

        Salt Spray

        5% salt solution, 48hrs

        MIL-STD-202, Method 101, Test

        Condition B

        7. 電氣特性 / Electrical Characteristics

        7.1 實驗條件:Test Condition

        所有測試環境溫度為25±5℃。

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

        7.2 分斷能力 Interrupting Rating:

        保險絲承受分斷能力:200A @250VAC500A:@125VAC 1000A@72V63V/32VDC

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

        7.3 熔斷時限 / Operating Characteristics

        額定電流的% 熔斷時間

        % of Ampere Rating(In) Blowing Time

        100% * In 大于4 小時(4 hours Min)

        200% * In 小于60 秒 (60 sec Max)

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