Basic Specifications for MCFA Series Rated currents Packaged on tape Your part No. SOC product name Rated current Packaged in a plastic bag Your part

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1 Basic Specifications for MCFA Series SOC product name MCFA Rated current R08B4 MCFA Rated current B R08B 4: Products packaged on tape B: Products packaged in a plastic bag Certification UL248-1, UL Listed Rated currents 50 ma 3 A Dimensions and construction Metallization Layer (Nickel plated AgPd) Case 1 (Ceramic) Termination (RoHS conforming SnPbAg solder) 1.2±0.15 Case 2 (Ceramic) 2.4± ±0.15 (mm) The structure of this fuse is not hermetically sealed, but resin coating has been applied. Marking SOC Rated current Electrical characteristics Certification UL Rated voltage AC 125 V DC 72 V Rated breaking current 50 A Resistive circuit Rated current (I N ) 50 ma 3 A Temperature rise Not more than 75 K at 1.0 I N Current carrying capacity 1.0 I N until temperature stabilization occurs. Overload operation Within 60 s at 2.0 I N The information in this specification shall be subject to change without notice. March 19, 2015

2 Basic Specifications for MCFA Series Rated currents Packaged on tape Your part No. SOC product name Rated current Packaged in a plastic bag Your part No. SOC product name Rated current MCFA 50mAR08B4 50 ma MCFA 50mAB 50 ma MCFA 63mAR08B4 63 ma MCFA 63mAB 63 ma MCFA 80mAR08B4 80 ma MCFA 80mAB 80 ma MCFA 100mAR08B4 100 ma MCFA 100mAB 100 ma MCFA 125mAR08B4 125 ma MCFA 125mAB 125 ma MCFA 160mAR08B4 160 ma MCFA 160mAB 160 ma MCFA 200mAR08B4 200 ma MCFA 200mAB 200 ma MCFA 250mAR08B4 250 ma MCFA 250mAB 250 ma MCFA 315mAR08B4 315 ma MCFA 315mAB 315 ma MCFA 400mAR08B4 400 ma MCFA 400mAB 400 ma MCFA 500mAR08B4 500 ma MCFA 500mAB 500 ma MCFA 630mAR08B4 630 ma MCFA 630mAB 630 ma MCFA 800mAR08B4 800 ma MCFA 800mAB 800 ma MCFA 1AR08B4 1 A MCFA 1AB 1 A MCFA 1.25AR08B A MCFA 1.25AB 1.25 A MCFA 1.6AR08B4 1.6 A MCFA 1.6AB 1.6 A MCFA 2AR08B4 2 A MCFA 2AB 2 A MCFA 2.5AR08B4 2.5 A MCFA 2.5AB 2.5 A MCFA 3AR08B4 3 A MCFA 3AB 3 A Environment-related substances The six hazardous substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), and polybrominated diphenyl ethers (PBDE)) specified in the EU RoHS Directive are not used intentionally in this product, except high melting temperature type solders, containing 85 wt% or more lead, that are exempted from the Directive. This product conforms to the EU RoHS Directive 2011/65/EU. Lead content as impurities is not more than 0.1 wt%. The information in this specification shall be subject to change without notice. March 19, 2015

3 Basic Specifications for MCFA Series Mounting 1. Land pattern (mm) 2. Soldering condition 1) Reflow soldering Solder joint temperature ( C) Pre-heating 150 C 160 C 1.5 C/s 60 s 180 s 250 C max. 10 s or less 2 C/s 230 C or more 25 s or less Heating time (s) Soldering can be repeated 2 times under the conditions above. Height of the solder fillets shall be not more than one-third of the overall height (H). 1/3H Land pattern and soldering conditions described above are examples when facilities in our company are used. Please make sufficient evaluations under the actual conditions in your company because the conditions may vary depending on facilities, solder type, solder quantity, board size, and board material. 2) Hand soldering with soldering iron Soldering iron tip temperature: 300 C max. Duration: 2 s or less H Do not touch the terminal directly with a soldering iron. Do not apply any stress on the fuse body when the body and/or terminal are/is heated. The information in this specification shall be subject to change without notice. March 19, 2015

Safety Precautions When Selecting and Using Fuses WARNING: Read and follow these precautions before selecting and using fuses.

Before final fuse selection, always test the proposed fuse in your actual equipment to ensure that the fuse satisfies all your operational and safety

Do not use the fuse where it is exposed to high humidity, corrosive gas, and flammable gases.

Failure to do so may result in electrocution or serious burns. Do not apply ultrasonic cleaning to the fuse.

AC 30V DC Be aware that the breaking ability of a fuse will differ depending on whether the circuit is an AC or a DC circuit.

property damage, and serious injury. Check if the circuit voltage is large enough for the fuse operation.

increase of the fuse resistance. Do not form the lead when the fuse is 40 or more.

Use sample fuses only for evaluation. Do not reuse used fuses. Properly dispose of used fuses. When inserting a fuse into a fuseholder, avoid forcing it.

4 Safety Precautions When Selecting and Using Fuses WARNING: Read and follow these precautions before selecting and using fuses. Failure to properly select, install and use fuses can result in serious injury, death or property damage. Before final fuse selection, always test the proposed fuse in your actual equipment to ensure that the fuse satisfies all your operational and safety requirements. Use the fuses within the specification requirements. Exceeding specification requirements may result in injury, death or fire. Do not use the fuse where it is exposed to high humidity, corrosive gas, and flammable gases. Doing so may result in nuisance operations, disconnection of the fuse-element, or explosion. Shut down the power before touching the fuse. Failure to do so may result in electrocution or serious burns. Do not apply ultrasonic cleaning to the fuse. Ultrasonic cleaning may result in disconnection of the fuse-element. AC 30V DC Be aware that the breaking ability of a fuse will differ depending on whether the circuit is an AC or a DC circuit. Fuses intended for use in AC circuits should therefore not be employed in DC circuits, and vice versa, as this may result in accidents such as explosion, property damage, and serious injury. Check if the circuit voltage is large enough for the fuse operation. When the circuit voltage is too small, the fuse may not operate even though the abnormal current passes through it, because the current decreases due to the increase of the fuse resistance. Do not form the lead when the fuse is 40 or more. Lead forming when the fuse is 40 or more may result in disconnection of the fuse-element because the load is applied to the fuse-element. Use sample fuses only for evaluation. Do not reuse used fuses. Properly dispose of used fuses. When inserting a fuse into a fuseholder, avoid forcing it. This may result in the fuse cracking or contact failure which will significantly reduce its ability to work properly or shorten its life. Consider the effect of the ambient temperature when you use the fuse. Electrical performance of the fuse may vary depending on the temperatures. Use the fuse in a place where the vibration and impact levels are within the specified limits. Exceeding these limits may result in disconnecting the fuse-element. When the fuse is used for a life support system or equipment that requires high reliability, more closely examine and evaluate the fuse in actual circuit conditions than is necessary for other general electronic equipment.

5 FOR REFERENCE ONLY ( ご参考 ) I-t Curve この I-t 特性図は弊社が試験条件を特定して測定した実測値の平均値だけをプロットしてあります参考値であり保証値ではありませんヒューズの特性はその使用条件により変化しますのでお客様にヒューズのご使用条件下でヒューズがお客様のご要求を満足しているかを実際にご確認頂く必要があります This I-t curve is a plot of the average values of the measurement obtained under the conditions specified by our company. These data are for reference only and are not intended to infer any guaranteed values. Characteristcs of the fuse may vary depending on the usage conditions. Always test the fuse in the circuit under the actual circuit conditions. Type: MCFA Control No.: A Current 1A 電流 0.1A 80 ma 63 ma 50 ma 100μs 1ms 10ms 100ms 1s 溶断時間 Pre-arcing time

6 FOR REFERENCE ONLY ( ご参考 ) I-t Curve この I-t 特性図は弊社が試験条件を特定して測定した実測値の平均値だけをプロットしてあります参考値であり保証値ではありませんヒューズの特性はその使用条件により変化しますのでお客様にヒューズのご使用条件下でヒューズがお客様のご要求を満足しているかを実際にご確認頂く必要があります This I-t curve is a plot of the average values of the measurement obtained under the conditions specified by our company. These data are for reference only and are not intended to infer any guaranteed values. Characteristcs of the fuse may vary depending on the usage conditions. Always test the fuse in the circuit under the actual circuit conditions. Type: MCFA Control No.: A Current 電流 1A 0.1A 800 ma 630 ma 500 ma 400 ma 315 ma 250 ma 200 ma 160 ma 125 ma 100 ma 100μs 1ms 10ms 100ms 1s 溶断時間 Pre-arcing time

7 FOR REFERENCE ONLY ( ご参考 ) I-t Curve この I-t 特性図は弊社が試験条件を特定して測定した実測値の平均値だけをプロットしてあります参考値であり保証値ではありませんヒューズの特性はその使用条件により変化しますのでお客様にヒューズのご使用条件下でヒューズがお客様のご要求を満足しているかを実際にご確認頂く必要があります This I-t curve is a plot of the average values of the measurement obtained under the conditions specified by our company. These data are for reference only and are not intended to infer any guaranteed values. Characteristcs of the fuse may vary depending on the usage conditions. Always test the fuse in the circuit under the actual circuit conditions. Type: MCFA Control No.: A Current 電流 10A 1A 3 A 2.5 A 2 A 1.6 A 1.25 A 1 A 100μs 1ms 10ms 100ms 1s 溶断時間 Pre-arcing time

8 I 2 t-t Curve FOR REFERENCE ONLY ( ご参考 ) この I 2 t-t 特性図は弊社が試験条件を特定して測定した実測値の平均値だけをプロットしてあります参考値であり保証値ではありませんヒューズの特性はその使用条件により変化しますのでお客様にヒューズのご使用条件下でヒューズがお客様のご要求を満足しているかを実際にご確認頂く必要があります This I 2 t-t curve is a plot of the average values of the measurement obtained under the conditions specified by our company. These data are for reference only and are not intended to infer any guaranteed values. Characteristcs of the fuse may vary depending on the usage conditions. Always test the fuse in the circuit under the actual circuit conditions. Type: MCFA Control No.: A 2 s 0.01A 2 s 80 ma 63 ma 50 ma I 2 t 1E-3A 2 s 1E-4A 2 s 100μs 1ms 10ms 100ms 1s Time

9 I 2 t-t Curve FOR REFERENCE ONLY ( ご参考 ) この I 2 t-t 特性図は弊社が試験条件を特定して測定した実測値の平均値だけをプロットしてあります参考値であり保証値ではありませんヒューズの特性はその使用条件により変化しますのでお客様にヒューズのご使用条件下でヒューズがお客様のご要求を満足しているかを実際にご確認頂く必要があります This I 2 t-t curve is a plot of the average values of the measurement obtained under the conditions specified by our company. These data are for reference only and are not intended to infer any guaranteed values. Characteristcs of the fuse may vary depending on the usage conditions. Always test the fuse in the circuit under the actual circuit conditions. Type: MCFA Control No.: I 2 t 1A 2 s 0.1A 2 s 800 ma 630 ma 500 ma 400 ma 315 ma 250 ma 200 ma 160 ma 125 ma 100 ma 0.01A 2 s 1E-3A 2 s 100μs 1ms 10ms 100ms 1s Time

10 I 2 t-t Curve FOR REFERENCE ONLY ( ご参考 ) この I 2 t-t 特性図は弊社が試験条件を特定して測定した実測値の平均値だけをプロットしてあります参考値であり保証値ではありませんヒューズの特性はその使用条件により変化しますのでお客様にヒューズのご使用条件下でヒューズがお客様のご要求を満足しているかを実際にご確認頂く必要があります This I 2 t-t curve is a plot of the average values of the measurement obtained under the conditions specified by our company. These data are for reference only and are not intended to infer any guaranteed values. Characteristcs of the fuse may vary depending on the usage conditions. Always test the fuse in the circuit under the actual circuit conditions. Type: MCFA Control No.: A 2 s 1A 2 s 3 A 2.5 A 2 A 1.6 A 1.25 A 1 A I 2 t 0.1A 2 s 0.01A 2 s 100μs 1ms 10ms 100ms 1s Time

11 FOR REFERENCE ONLY ( ご参考 ) 周囲温度の影響 - 定格電流値のリレーティング Influence of Ambient Temperature - The Re-rating of the Rated Current この周囲温度に対する定格電流の変化を示すグラフは周囲温度及び 85 に於いて弊社が特定した条件で測定した 3 点の実測値でありお客様での実使用条件を考慮したものではありませんヒューズの特性はその使用条件により変化しますのでお客様にヒューズのご使用条件下でヒューズがお客様のご要求を満足しているかを実際にご確認頂く必要があります This chart is a plot of the measurements obtained at the ambient temperatures of -20 C, 25 C and 85 C under the conditions specified by SOC; therefore, conditions of your actual application are not considered in this chart. These data are for reference purposes only and are not intended to infer any guaranteed values. Fuse characteristics may vary depending on the usage conditions. Always test the fuse in the circuit under the actual circuit conditions. Type: MCFA 50mA Control No.: Type: MCFA 63mA Control No.: Type: MCFA 80mA Control No.: Type: MCFA 100mA Control No.: Type: MCFA 125mA Control No.: Type: MCFA 160mA Control No.:

12 FOR REFERENCE ONLY ( ご参考 ) 周囲温度の影響 - 定格電流値のリレーティング Influence of Ambient Temperature - The Re-rating of the Rated Current この周囲温度に対する定格電流の変化を示すグラフは周囲温度及び 85 に於いて弊社が特定した条件で測定した 3 点の実測値でありお客様での実使用条件を考慮したものではありませんヒューズの特性はその使用条件により変化しますのでお客様にヒューズのご使用条件下でヒューズがお客様のご要求を満足しているかを実際にご確認頂く必要があります This chart is a plot of the measurements obtained at the ambient temperatures of -20 C, 25 C and 85 C under the conditions specified by SOC; therefore, conditions of your actual application are not considered in this chart. These data are for reference purposes only and are not intended to infer any guaranteed values. Fuse characteristics may vary depending on the usage conditions. Always test the fuse in the circuit under the actual circuit conditions. Type: MCFA 200mA Control No.: Type: MCFA 250mA Control No.: Type: MCFA 315mA Control No.: Type: MCFA 400mA Control No.: Type: MCFA 500mA Control No.: Type: MCFA 630mA Control No.:

13 FOR REFERENCE ONLY ( ご参考 ) 周囲温度の影響 - 定格電流値のリレーティング Influence of Ambient Temperature - The Re-rating of the Rated Current この周囲温度に対する定格電流の変化を示すグラフは周囲温度及び 85 に於いて弊社が特定した条件で測定した 3 点の実測値でありお客様での実使用条件を考慮したものではありませんヒューズの特性はその使用条件により変化しますのでお客様にヒューズのご使用条件下でヒューズがお客様のご要求を満足しているかを実際にご確認頂く必要があります This chart is a plot of the measurements obtained at the ambient temperatures of -20 C, 25 C and 85 C under the conditions specified by SOC; therefore, conditions of your actual application are not considered in this chart. These data are for reference purposes only and are not intended to infer any guaranteed values. Fuse characteristics may vary depending on the usage conditions. Always test the fuse in the circuit under the actual circuit conditions. Type: MCFA 800mA Control No.: Type: MCFA 1A Control No.: Type: MCFA 1.25A Control No.: Type: MCFA 1.6A Control No.: Type: MCFA 2A Control No.: Type: MCFA 2.5A Control No.:

14 FOR REFERENCE ONLY ( ご参考 ) 周囲温度の影響 - 定格電流値のリレーティング Influence of Ambient Temperature - The Re-rating of the Rated Current この周囲温度に対する定格電流の変化を示すグラフは周囲温度及び 85 に於いて弊社が特定した条件で測定した 3 点の実測値でありお客様での実使用条件を考慮したものではありませんヒューズの特性はその使用条件により変化しますのでお客様にヒューズのご使用条件下でヒューズがお客様のご要求を満足しているかを実際にご確認頂く必要があります This chart is a plot of the measurements obtained at the ambient temperatures of -20 C, 25 C and 85 C under the conditions specified by SOC; therefore, conditions of your actual application are not considered in this chart. These data are for reference purposes only and are not intended to infer any guaranteed values. Fuse characteristics may vary depending on the usage conditions. Always test the fuse in the circuit under the actual circuit conditions. Type: MCFA 3A Control No.:

15 Technical Specifications for MCFA Series 1. Construction No. Part Name Materials and finish 1 Case Ceramic 2 Fuse-element 3 Solder Sn-8.0Ag-2.0Pb 4 Adhesive Epoxy resin 5 Terminal Nickel plated AgPd 6 Sealant Silicon resin (UL flame retardancy grade UL746C/94V-0) 2. Usage conditions Ambient temperature: -20 C +85 C Note: Current carrying capacity of the fuse may vary depending on the ambient temperature. Ambient humidity: 85% RH or less 3. Storage conditions and storage period Products packaged as delivered can be stored for 1 year from our shipment. Ambient temperature: -20 C +40 C (No condensation) Ambient humidity: 85% RH or less Ambient atmosphere: - Not exposed to corrosive gas or sea breeze. - No visible dust. - Not exposed to direct sunlight. Load: No application of load that may cause deformation or degradation of the product. 4. Typical cold resistance (for reference only) Rated current Typical cold Typical cold Typical cold Rated current Rated current resistance resistance resistance 50 ma 3600 mω 250 ma 470 mω 1.25 A 95 mω 63 ma 3000 mω 315 ma 280 mω 1.6 A 70 mω 80 ma 1700 mω 400 ma 200 mω 2 A 50 mω 100 ma 1450 mω 500 ma 190 mω 2.5 A 38 mω 125 ma 1000 mω 630 ma 185 mω 3 A 30 mω 160 ma 650 mω 800 ma 150 mω 200 ma 615 mω 1 A 105 mω March 19, 2015

16 Packaging Specifications for MCFA R08B4 1.Packaging 1.1 Tape configuration This product shall be packaged as per Type II-Blister carrier tape with single sprocket holes (the width of the tape is 8 mm) stipulated in JIS C Packaging of components for automatic handling Part 3: Packaging of surface mount components on continuous tapes (see Figure 1). Sectional view B-B Sectional view A-A Figure 1 (mm) March 19, 2015

17 Packaging Specifications for MCFA R08B4 1.2 Reel configuration The reel used for packaging this product is mostly in accordance with JIS C Packaging of components for automatic handling-part 3: Packaging of surface mount components on continuous tapes (see Figure 2). φ φ13 ± 0.2 φ Figure 2 9 ± ± 1.0 (mm) 1.3 Packing quantity The packaging code consists of a symbol R08B representing a reel configuration and a mounting hole pitch 4 added as a suffix. Quantity to be packed is as in the table below. Packaging code R08B4 Quantity 2,000 pcs. 1.4 Contents of marking The following information shall be indicated on one side of the reel. Your part number (by request) Lot No. Quantity of fuses Packaged date Packaging code Country of origin Manufacturer Production facilities Indications specified by the applicable standards 2.Lot number The lot number indicates the following: Example: Date manufactured (January 23, 2015) Process code March 19, 2015

Basic Specification for MT4 Series Rated currents Your part number SOC product Rated Your part SOC product Rated Remarks name currents number name cur

Basic Specification for MT4 Series SOC product name MT4 Rated current Certification UL198G Listed Rated currents ma 3.5 A UL198G Recognized Rated currents 3.6 A 15 A CSA C22.2 No. 59.2 Certified Rated