1245（4512）貼片保險絲
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
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目錄編號 Catalog No. |
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額定電流 Ampere Rating |
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額定電壓 Voltage Rating |
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分斷能力 Breaking Capacity |
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冷阻值 Nominal Cold Resistance (Ohms) |
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熔化熱能 I2TMelting Integral(A2.S) |
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安規認證 Agency Approvals |
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250V/125VAC/DC 72V63V/32VDC |
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200A@250VAC 500A:@125VAC 1000A@72V63V/32VDC |
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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
注: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
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1 |
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產品標識 Product Marking |
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Brand, Ampere Rating REOMAX marking standards |
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2 |
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工作溫度 Operating Temperature |
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-55°C to 125°C |
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–55oC to 125oC with proper derating |
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3 |
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可焊性 Solderability |
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T=240°C±5°C , t=3sec±0.5sec, Coverage≥95% |
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MIL-STD-202, Method 208 |
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4 |
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耐焊接熱 Resistance to Soldering Heat |
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10 sec at 260°C |
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MIL-STD-202, Method 210, Test condition B |
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5 |
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絕緣阻抗 Insulation Resistance (after Opening) |
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10,000 ohms minimum |
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MIL-STD-202, Method 302, Test Condition A |
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6 |
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熱沖擊 Thermal Shock |
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5 cycles, -65°C / +125°C, 15 minutes at each extreme |
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MIL-STD-202, Method 107, Test Condition B |
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7 |
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機械沖擊 Mechanical Shock |
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100G’s peak for 6 milliseconds, 3cycles |
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MIL-STD-202, Method 213, Test I |
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8 |
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振動試驗 Vibration |
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0.03”amplitude, 10-55 Hz in 1 min. 2hrs each XYZ=6hrs |
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MIL-STD-202, Method 201 |
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9 |
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耐濕性 Moisture Resistance |
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10 cycles MIL-STD-202, Method 106 |
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10 |
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鹽霧試驗 Salt Spray |
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5% salt solution, 48hrs |
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MIL-STD-202, Method 101, Test Condition B |
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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)
