MH25-330KJI TT Electronics

High Voltage Resistors Welwyn Components Metal Film Resistors High Voltage High Voltage Welwyn Components Metal Film Resistors MH Series Metal Film Resistors  BSEN 60065 Approval for MH37 MH Series in value range 680K to 3M MH Series High working voltage to 3.5KV  BSEN 60065 Appr oval for MH37 MH37 meets requirements of BSEN 60065 in value range 680K to 3MSmall size  in value range 680K to 3M High working voltage to 3.5KVHigh pulse load capability   High working voltage to 3.5kV Small sizeRobust cement coating  Small size Value up to 10M High pulse load capabilityHigh pulse load capability   Robust cement coatingRobust cement coating  Value up to 10M Value up to 10M  AllAll Pb-Pb-frfreeee partsparts ccomplyomply withwith EUEU DirDirectivectivee 2011/65/EU2011/65/EU amended amended b yb y(EU) (EU) 2015/863 2015/863 (R (RoHS3)oHS3) Electrical Data MH25 MH37 Electrical Data Power rating at 70C max watts 0.25 0.5 Resistance range ohms 100K - 10M 100K - 3M MH25 MH37 Limiting element voltage volts dc or ac peak 1,600 3,500 Power rating at 70C max watts 0.25 0.5 Isolation voltage volts 700 Resistance range ohms 100K - 10M 100K - 3M TCR ppm/C 100 Limiting element voltage volts dc or ac peak 1,600 3,500 Resistance tolerance % 1, 2, 5 Isolation voltage volts 700 Standard values E24 and E96 preferred TCR ppm/C 100 Thermal impedance C/watt 140 112 Resistance tolerance % 1, 2, 5 Ambient temperature range C - 55 to 155 Standard values E24 and E96 preferred Thermal impedance C/watt 140 112 Ambient temperature range C - 55 to 155 Physical Data Dimensions (mm) and Weight (g) Physical Data PCB Min mounting Bend Dimensions (mm) and Weight (g) d Type L max D max f min d nom centres Radius Wt.nom D L PCB Min f MH25 6.2 2.5 21.0 0.6 10.2 0.6 0.3 mounting Bend MH37 9.0 3.7 19.6 0.8 12.7 1.2 0.5 d Type L max D max f min d nom centres Radius Wt.nom D L f MH25 6.2 2.5 21.0 0.6 10.2 0.6 0.3 Construction Terminations MH37 9.0 3.7 19.6 0.8 12.7 1.2 0.5 Thin film material is sputtered on to high grade ceramic rods. Material Solder-coated copper wire. Nickel plated steel caps are force fitted and the termination Strength The terminations satisfy the requirements of Construction Terminations wires are welded to the caps. The value is obtained by a IEC 68.2.21. Thin film material is sputtered on to high grade ceramic rods. Material Solder-coated copper wire. helical cut in the film and finally the resistor body is protected Nickel plated steel caps are force fitted and the termination by a cement protection applied so that the terminations Solderability The terminations meet the requirements of Strength The terminations satisfy the requirements of wires are welded to the caps. The value is obtained by a remain completely clear. IEC 115-1, Clause 4.17.3.2 IEC 68.2.21. helical cut in the film and finally the resistor body is protected Solderability The terminations meet the requirements of by a cement protection applied so that the terminations Marking Solvent resistance IEC 115-1, Clause 4.17.3.2 remain completely clear. 1% tolerance resistors are colour coded with 5 bands. The body protection and marking are resistant to all normal 2% and 5% tolerance have 4. Band IEC 62 colours are used. industrial cleaning fluids suitable for printed boards. Solvent resistance Marking The body protection and marking are resistant to all normal 1% tolerance resistors are colour coded with 5 bands. industrial cleaning fluids suitable for printed boards. 2% and 5% tolerance have 4. Band IEC 62 colours are used. General Note Welwyn Components reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyns own data and is considered accurate at time of going to print. A subsidiary of TT electronics plc General Note BI Technologies IRC Welwyn General Note Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK TT Electronics reserves the right to make changes in product specification without notice or liability. Welwyn Components rTelephone: +44 (0)eserves the right to make changes in pr1670 822181 Facsimile: +44 (0)oduct specification without notice or liability1670 829465 Email: info@welwyn-tt.com W. ebsite: www.welwyn-tt.com Issue E 10.05 All information is subject to TT Electronics own data and is considered accurate at time of going to print. All information is subject to Welwyns own data and is considered accurate at time of going to print. A subsidiary of www.ttelectronics.com/resistors TT electronics plc 191 Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK TT Electronics plc Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com Issue E 10.05 06.18 191High Voltage High Voltage Metal Film Resistors Metal Film Resistors Welwyn Components High Voltage High Voltage MH Series Welwyn Components MH Series Metal Film Resistors Metal Film Resistors MH Series Welwyn Components MH Series Performance Data Performance Data Maximum Typical Maximum Typical Load at rated voltage : 1000 hrs at 70C R% 1.5 0.4 Performance Data Load at rated voltage : 1000 hrs at 70C R% 1.5 0.4 Derating from rated power at 70C Zero at 155C Derating from rated power at 70C Zero at 155C Maximum Typical Overload R% 1.0 0.25 Overload R% 1.0 0.25 Load at rated voltage : 1000 hrs at 70C R% 1.5 0.4 56 days at DHSS R% 1.5 0.2 56 days at DHSS R% 1.5 0.2 Derating from rated power at 70C Zero at 155C Climatic R% 1.5 0.2 Climatic R% 1.5 0.2 Overload R% 1.0 0.25 Climatic category 55/155/56 Climatic category 55/155/56 56 days at DHSS R% 1.5 0.2 Temperature rapid change R% 0.5 0.05 Temperature rapid change R% 0.5 0.05 Climatic R% 1.5 0.2 Resistance to solder heat R% 0.5 0.05 Resistance to solder heat R% 0.5 0.05 Climatic category 55/155/56 Vibration and bump R% 0.5 0.05 Vibration and bump R% 0.5 0.05 Temperature rapid change R% 0.5 0.05 Voltage proof volts 700 min Voltage proof volts 700 min Resistance to solder heat R% 0.5 0.05 Vibration and bump R% 0.5 0.05 Application Notes Application Notes To ensure reliable performance at high voltages care should Voltage proof volts 700 min To ensure reliable performance at high voltages care should be taken to avoid potential sources of ionic contamination be taken to avoid potential sources of ionic contamination contacting the resistor body, for example, flux applied by Application Notes contacting the resistor body, for example, flux applied by spraying, encapsulation materials or contaminants from the To ensure reliable performance at high voltages care should spraying, encapsulation materials or contaminants from the environment of use. be taken to avoid potential sources of ionic contamination environment of use. contacting the resistor body, for example, flux applied by Packaging spraying, encapsulation materials or contaminants from the Packaging All MH series resistors are supplied tape packed ready for environment of use. All MH series resistors are supplied tape packed ready for loading on automatic sequencing and insertion machines. loading on automatic sequencing and insertion machines. Packaging Component wires will not protrude beyond the outside edge All MH series resistors are supplied tape packed ready for Component wires will not protrude beyond the outside edge of the tape. loading on automatic sequencing and insertion machines. 6 52 6 of the tape. 6 52 6 Alternative packing available by request. Component wires will not protrude beyond the outside edge Alternative packing available by request. 5 of the tape. 5 6 6 52 Lead Formed Resistors can also be supplied. Standard options Lead Formed Resistors can also be supplied. Standard options of Lancet, Radial and Goal Post forming are shown in the Alternative packing available by request. of Lancet, Radial and Goal Post forming are shown in the Lead Form information sheet. 5 Lead Form information sheet. f f 1 2 Lead Formed Resistors can also be supplied. Standard options f f 1 2 of Lancet, Radial and Goal Post forming are shown in the Body Location f f 1.4 mm 1 2 Lead Form information sheet. Body Location f f 1.4 mm 1 2 f f 1 2 Ordering Procedure Body Location f f 1.4 mm 1 2 Ordering Procedure Example: MH25 at 4.7 megohms and 1% tolerance in ammo pack box of 5000 pieces Example: MH25 at 4.7 megohms and 1% tolerance in ammo pack box of 5000 pieces Ordering Procedure M H 2 5 4 M 7 F I M H 2 5 4 M 7 F I Example: MH25 at 4.7 megohms and 1% tolerance in ammo pack box of 5000 pieces Type Type M H 2 5 4 M 7 F I Value (use IEC62 code) Value (use IEC62 code) Type Tolerance (use IEC62 code) Tolerance (use IEC62 code) F 1% Value (use IEC62 code) F 1% G 2% G 2% J 5% Tolerance (use IEC62 code) J 5% F 1% Packing G 2% Packing MH25 5000/box J I 5% Ammo Standard MH25 5000/box MH37 2500/box I Ammo Standard MH37 2500/box Packing Welwyn ComponentsM LimitedH25 Bedlington,5000/bo Northumberlandx NE22 7AA, UK I Ammo Standard Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK T elephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com Issue E 10.05 General Note MH37 2500/box BI Technologies IRC Welwyn Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com Issue E 10.05 TT Electronics reserves the right to make changes in product specification without notice or liability. 192 All information is subject to TT Electronics own data and is considered accurate at time of going to print. 192 www.ttelectronics.com/resistors Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK T TT Electronics plc elephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com Issue E 10.05 06.18 192