No. P-JHC-E006 DATE 06-05 PRODUCTS DATA SHEET MICRO FUSE TYPE JHC SIZE 7.x5.8mm UL. cul approved File No.E707 0A,40A,50A,60A RoHS compliant Complete lead-free MATSUO ELECTRIC Co., LTD.
Type JHC (P-JHC-E006) TYPE JHC High Current Micro Fuse is designed for the purpose of external short circuit protection of the lithium ion battery of medium sizes, such as a power tool and an electric assistant bicycle. Though it was a surface mount type, it was small and realized high current rating, because a fuse element and a terminal adopt the structure of one. Furthermore perfectly compliant to Lead-free makes environment friendly design. FEATURES. High current rating was realized because a fuse element and a terminal adopt the structure of one.. Surface mount type and small size of 758 (7. 5.8 4.mm).. Surface temperature rise is 75 C or less when applying rated current. This gives little influence to the peripheral units. 4. Alumina ceramics are adopted as a case, original structure is adopted as the inside of a case, and the safety at the time of fusing is improved. [Application classification by use : 4 ] 5. Suitable for automatic mounting 6. Complete lead-free APPLICATION CLASSIFICATION BY USE The application classification by use which divided the market and use into four is set up supposing our products being used for a broad use. Please confirm the application classification by use of each product that you intend to use. Moreover, please be sure to inform to our Sales Department in advance in examination of the use of those other than the indicated use. Market Application classification by use Use Recommendation Type Outline Typical example of application Circuit Protection Components High reliability apparatus - Apparatus in which advanced safety and reliability are demanded. - Whether failure of the Apparatus which cannot maintenance exchange products, and a product is direct for a human life, Apparatus which changes or may cause a fatal system fai - Space development Apparatus relation (Satellite, Rocket, Artificial Satellite) - Aviation and a defensive system - Atomic power, fire power, and a water-power generation system With no relevance In-vehicle - Industrial apparatus - Apparatus in which reliability is important. - The apparatus in which maintenance exchange of a product is very difficult, and failure of a product influence a human life, or the range of failure is wide range. -Apparatus which can maintenance exchange products, and apparatus in which the loss of the system failure is large although failure of a product does not influence a human life, and maintenance engineering is demanded - Vehicles control of transport machines, such as a car, and a railroad, a vessel (Engine control, drive control, brake control) - The operation control system of the Shinkansen and a main artery - Vehicle indoor loading parts, such as an air-conditioner and car navigation, and in-vehicle a communication facility - Security management system for home/buildings etc. - Control apparatus, such as Industrial use robots and a machine tool etc. Type KAB N series Type JAG N series Type KVA N series Type KAB M series Type JAG M series Type KVA M series Apparatus in general 4 - The small size and the thin article which applies leading-edge technology positively - The product supposing being used widely in the market for the apparatus which can maintenance exchange products, and apparatus with a partial system fa -Smart phone, Mobile phone, Mobile PC (tablet), Electronic dictionary - Desktop PC, Notebook PC, Home network - Amusement apparatus (Pachinko,Game machine) Type KAB Type KAB T series Type KAH Type JAE, Type JAG Type JAH, Type JAH L series Type JHB, Type JHC Type KVA RATING Item Category Range Rated Current Rated Voltage Voltage Drop Insulation Resistance (between terminals and case) Fusing Characteristics Clearing Characteristics Rating -40 ~+5 0A 40A 50A 60A 80A 00A 5VDC, 60VDC Refer to CATALOG NUMBERS AND RATING 000MΩ or more Fusing within minute if the current is 50% of rated current. Breaking voltage:rated Voltage Breaking Current:00A,600A
ORDERING INFORMATION J H C 5 0 5 0 R 4 4 E Type Code Voltag Code Rated current Code Rated current Code Package type Code Case size JHC 50 5V e 0 0 A 60 60 A R φ80 Reel 44E 7.X5.8 600 60V 40 40 A 80 80 A N φ0 Reel 50 50 A 04 00 A CATALOG NUMBERS AND RATING May 06 Catalog number Case size Rated current A Internal resistance mω (Typical) JHC 50 0 44E 5 0.8 JHC 600 0 44E 60 JHC 50 40 44E 5 40.08 80 00 JHC 600 40 44E 60 JHC 50 50 44E 5 50 0.85 JHC 600 50 44E 60 7. 5.8 JHC 50 60 44E 5 60 0.74 JHC 600 60 44E 60 90 JHC 50 80 44E 5 80 0.56 JHC 600 80 44E 60 JHC 50 04 44E 5 00 0.47 00 JHC 600 04 44E 60 For the taping type, the packing code R or N" will be entered in. Catalog numbers are approved by UL. cul.(file No.E707) 80A and 00A are to be approved by UL.cUL Voltage drop mv (Max.) Rated voltage VDC Breaking current A 600 DIMENSIONS 50 JHC CONSTRUCTION 50 JHC Marking T Empty space Ceramic case All-in-one fuse element with terminal P L Main body:ceramic case Terminal:Tin plating Case size Case code L W T P MARKING RECOMMENDED PAD DIMENSION C P a b a.7 b 5.8 c 4.4 (Reflow) (mm) Size 758 (mm) 758 44E 7.±0. 5.8±0. 4.±0..±0. Code : Rated current W Code : Rated current 0 : 0A 60 : 60A 40 : 40A 80 : 80A 50 : 50A 00 : 00A Seal resin Ceramic plate Name Material, standard, and treatment All-in-one fuse element with terminal Copper Alloy(Tin plating terminal) Ceramic case Alumina ceramics Ceramic plate Alumina ceramics Seal resin Silicone resin Marking UV curable resin Empty space STANDARD TEST BOARD 60mm 4.4mm 60mm 4.4mm 0mm mm 0mm mm Glass epoxy body on one side Board thickness :.6mm Thickness of Copper layer : 400μm Rated Current : 0~50A Glass epoxy body on one side Board thickness :.6mm Thickness of Copper layer : 500μm Rated Current : 60~00A
PERFORMANCE No Item rise Current-carrying capacity Shall not open within hour. Clearing characteristics 4 Voltage drop Arc shall not be continued. No ignition. Marking shall be legible No bursting of the fuse Performance rise shall not exceed 75 Voltage drop is below the value specified in CATALOG NUMBERS AND RATING. Apply rated current Apply 00% of rated current Breaking voltage : Rated voltage Breaking current : 00A(0~50A) 600A(60~00A) Apply rated current Test method 5 Fusing characteristics 6 Insulation resistance Fusing within I min. 000MΩ or more Apply 50% of rated current (Ambient temperature: 0~0 ) Insulation resistance between terminals and case(ceramics) 7 Electrode strength (Bending) 8 Shear test 9 Core body strength 0 Solderability (Solder Wetting time) Solderability (new uniform coating of solder) 4 Vibration 5 Resistance to soldering heat Solvent resistance Shock 6 Thermal shock 7 Moisture resistance 8 Load life 9 Moisture resistance load 0 Stability FUSING CHARACTERISTICS Solder Wetting time : within s The dipping surface of the terminals shall be covered more than 95% with new solder. Marking shall be legible. Marking shall be legible. No significant irregularity in the appearance. Board supporting width Bending speed Bending Applied force Tool : 90mm : Approx. 0.5mm/s : 5 s : mm : 0N : 0s : R0.5 Direction of the press : side face Supporting dimension :.65mm Applied force : 0N : 0s Tool : R0.5 Direction of the press : thickness direction of product Solder : Sn-Ag-0.5Cu : 45±5 meniscograph method Solder Dippinng Dipping( cycle) : Sn-Ag-0.5Cu : 45±5 : s Preconditioning : 00~50 /60s : 65± /6~7s Reflow( cycle) Preconditioning : Lower than 80 ~min Peak : 50±5 5s Holding : 0~50 0~40s Cooling : More than min Manual soldering : 50±0 : ~4s Measure after hour left under room temperature and humidity. Dipping rinse Solvent : Isopropyl alcohol : 90s Frequency rage Vibration amplitude Peak value I T - T CHARACTERISTICS : 0~55~0Hz/min :.5mm : hours in each of XYZ directions (total : 6 hours) : 490m/s : ms 6 aspects times (total: 8 times) -55± : 0min Room temperature : ~min or less 5± : 0min Room temperature : ~min or less Repeat above step for 0 cycles Humidity Applied current Humidity Applied current : 85± : 85±5%RH : 000h : 85± : Rated current 70% : 000h : 85± : 85±5%RH : Rated current 70% : 000h : 5± : 000h
Fusing time (s) Fusing time (s) Fusing time (s) Joule Integral (A s) 00 40A 60A 00A 0A 50A 80A Reference 0000000 Reference 0 000000 00A 80A 60A 50A 40A 0A 00000 0000 0. 000 参考値 00 参考値 0.0 0 0.00 0 00 000 Applied Current (A) 0.00 0.0 0. 0 00 Fusing time (s) DISTRIBUTION OF FUSING CHARACTERISTICS DISTRIBUTION OF FUSING TIME 00 00 0 0 50% rated current is applied 0. 0. 0.0 0.0 400% rated current is applied 0.00 0 0 40 60 80 00 Numbers of pcs 0.00 0 00 000 Applied current (A) DETERMINATION OF RATED VALUE AND SELECTION OF MICRO FUSE ( TYPE JHC) 4
Derating factor (%) Determine the rated value of the micro fuse, and select the micro fuse for your circuit. If you select the micro fuse, safety of your circuit can be ensured. How to determine the rated value of the micro fuse is described below: Flow for fuse selection. Measurement of circuit values using actual device Measure the circuit values, such as operating current of the circuit.. Calculation from operating current From the obtained operating current and the category temperature, calculate minimum rated value to determine the applicable fuse.. Calculation from overload current From the obtained overload current, calculate the maximum rated value to determine the applicable fuse. 4. Calculation from inrush current From the inrush current, calculate the minimum rated value to determine the applicable fuse. 5. Final determination of rated value From the calculation results of steps through 4, determine the rated value. 6. Operation check using actual device After selecting the rating, confirm if the device works properly under the pre-determined conditions. Fuse selection. Measurement of circuit values using actual device Before determining the rated value of the fuse, preliminarily measure the following condition by using the actual device. -. Operating current Using an oscilloscope or equivalents, measure operating current of the circuit. -. Overload current Using an oscilloscope or equivalents, measure the overload current that needs to break the circuit. -. Inrush current Using an oscilloscope or equivalents, measure the inrush current of circuit at power-on or power-off. In addition, determine the number of inrush current applied. -4.Category temperature Measure the ambient temperature of the fuse circuit. <The notes to the design of substrate wiring> In a 5 environment under normal circumstances, please design substrate wiring so that the surface temperature of a fuse does not exceed 80. EXAMPLE TO SELECT RATINGS OF TYPE JHC <Fuse selection> Effective operating current : 0 A Effective overload current : 40 A Inrush current waveform : Fig. A (Pulse width : ms, Wave height : 00 A) Numbers to withstand inrush current : 00,000 times Category temperature : 85 C Operating time:4,000h ms 00A Fig. A:Inrush current waveform. Calculation from operating current. Measurement of operating current Using an oscilloscope or equivalents, measure operating current (effective current) of the actual circuit. Example : Effective operating current = 0 A Derating derating factor Using Fig. B, find the temperature derating factor correspond to the. However, in order to be allowed to check an operating condition in use to the apparatus used for a long time that the operating time exceeds 4,000 h, please ask our Sales Department. Rated derating factor Rated derating factor = 0.94 (Constant irrespective of temperature) Use Formula to calculate the rated current of the fuse to be used for the circuit. Rated current of fuse Operating current/( )... Formula Example : Category temperature = 85 C, Operating current =0 A derating factor = 0.90 (Refer to Fig. B.) Rated derating factor = 0.94 (Constant irrespective of temperature) 5 40 0 00 80 60 40 0 JHC temperature derating 0-50 -5 0 5 50 75 00 5 ( ) Fig. B
Calculation using Formula : Rated current 0/(0.90 0.94) = 5.5A The above calculation result shows that the fuse with rated current of 5.5A or more should be selected for this circuit. Type JHC, with rated current of 50 A and 40A can be selected.. Calculation from overload current Measurement of overload current Using oscilloscope or equivalents, measure overload current that needs to break circuit. Example : Effective overload current = 40 A Calculation from overload current Determine rated current so that overload current can be.5 times larger than rated current. Use Formula to calculate rated current of fuse. Rated current of fuse Overload current/.5... Formula Example : Overload current = 40 A Use Formula to calculate the rated current. Rated current 40/.5 = 56 A The above calculation result shows that the fuse with rated current of 56 A or less should be selected for this circuit. Type JHC, with rated current of 50 A and 40A can be selected. 4. Calculation from inrush current 4 Measurement of inrush current waveform Using an oscilloscope or equivalent, measure waveform of inrush current of actual circuit. 4 Creation of approximate waveform Generally, waveform of inrush current is complicated. For this reason, create the approximate waveform of inrush current as shown on Fig. C to simplify calculation. 00A 4 Calculation of I t of inrush current Calculate I t (Joule integral) of approximate waveform. The formula for this calculation depends on the approximate waveform. Refer to Table A. Example : Pulse applied = ms, Peak value = 00 A Approximate waveform = Triangular wave Since the approximate waveform is a triangular wave, use the following formula for calculation. I t of rush current = / Im t... Formula (Im : Peak value, t : Pulse applying time) Use Formula to calculate It of the inrush current: I t = / 00 00 0.00 = 60 (A s) ms Fig. C:Inrush current waveform Red line : Actual measurement waveform Black line:approximate waveform JOULE-INTEGRAL VALUES FOR EACH WAVEFORM Name Waveform I t Name Waveform I t Sine wave Trapezoidal m t + m (t -t ) + m m t m (cycle) m t wave (t -t ) Sine wave (half cycle) Triangular wave Rectangular wave 0 * Following formula is generally used for calculation of I t as i(t) equal to current. t= 0 t i (t)dt 0 t m 0 t m 0 t m m t m t m t Various wave Various wave Charge/ discharge waveform 0 t 0 0.68 m t t t 0 t t t m i (t) = m e -t/τ 0 τ -t t + m τ Table A ( - ) t t +{ + ( - ) } (t -t )+ (t -t ) 4-4 Search of load ratio Set up number of cycles to withstand. 6 PULSE RESISTANCE CHARACTERISTICS
Joule Integral (A s) Number of resistance (cycle) (generally 00,000 times) Obtain load ratio from Pulse resistance characteristics. (Fig. D) Example : 00,000 times is required against inrush current applied. The load ratio is 5% or less from Fig. D. 000000 00000 Fig. D 0000 000 00 0 0 0 0 0 40 50 60 70 80 90 00 Load ratio (%) 4 5 Calculation from Joule integral and load ratio Use Formula 4 to calculate the standard I t for the fuse to be used. Standard I t of fuse > (I t of inrush current/load ratio)......formula 4 Example : I t of pulse = 60 As, Pulse applied = ms, Required load ratio = 5% From Formula 4, Standard I t of fuse > 60/0.5 = 7.4 (As) The standard I t of the fuse should be 7.4 (As) or more. Since the rush pulse applied is ms, obtain the intersection of ms (horizontal axis) and 7.4 As (vertical axis) from Fig. E (refer to the arrow shown in Fig. E). Select a fuse whose curve is above the intersection. Type JHC with rated current of 50 A and 40A should be selected. JOULE INTEGRAL VS. FUSING TIME Fig. E 000000 00000 0000 000 5. Final determination of rated value Determine the rated current of micro fuse. Rated current should meet all the calculation results. 00 Example : Rated current of 50 A and 40A meets the all requirement. 6. Operation check using actual device After selecting rating, confirm if the device works properly under pre-determined conditions. 0 0.00 0.0 0. 0 00 Fusing time (s) 7