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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:2147

          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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