B72225M0271M301

Metal Oxide Varistor ThermoFuse Varistor Series/Type: Ordering code: MT25*** B72225M ***M*** Date: Version: 2020-01-21 b Content of header bars 1 and 2 of data sheet will be automatically entered in headers and footers! Please fill in the table and then change the color to "white". This ensures that the table disappears (invisible) for the customer PDF. Don't change formatting when entering or pasting text in the table and don't add any cell or line in and to it! Identification/Classification 1 Metal Oxide Varistor (header 1 + top left bar): Identification/Classification 2 ThermoFuse Varistor (header 2 + bottom left header bar): Ordering code: (top right header bar) B72225M ***M*** Series/Type: (bottom right header bar) MT25*** Preliminary data (optional): Department: PPD VAR PD Date: 2020-01-21 Version: b  TDK Electronics AG 2019. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without TDK Electronics' prior express consent is prohibited. Metal Oxide Varistor ThermoFuse Varistor B72225M ***M*** MT25*** Applications  Surge protection device  Inverters  Street lighting  Telecommunication  Household application Feature  High peak surge current up to 20 kA  UL1449 recognized, Type 4CA (file number E321126)  Remote Signal Contact  Compact size with patented over-molding design  Compliance with UL1449-4 and IEC61643-11 SIOV nomenclature MT = TDK Electronics ThermoFuse varistor MT series 25 = Rated disk diameter (mm) K = Tolerance of VV at 1 mA: ±10% 150~385 = Operating max. AC voltage W/F = Wire spring / Flat spring T2/3 = 2/3 Terminals Terminals L2 = 2 leads indicator(Normal closed) M101/201/301 = Typical design PPD VAR PD Please read Cautions and warnings and Important notes at the end of this document. 2020-01-21 Page 2 of 12 Metal Oxide Varistor ThermoFuse Varistor B72225M ***M*** MT25*** Dimensional drawing in mm MT25***WT3M101: Type Name MT25K150WT3M101 MT25K275WT3M101 MT25K320WT3M101 MT25K385WT3M101 Ordering Code B72225M0151M101 B72225M0271M101 B72225M0321M101 B72225M0381M101 PPD VAR PD Please read Cautions and warnings and Important notes at the end of this document. 2020-01-21 Page 3 of 12 Metal Oxide Varistor ThermoFuse Varistor B72225M ***M*** MT25*** MT25***FT2L2M201: Type Name MT25K150FT2L2M201 MT25K275FT2L2M201 MT25K320FT2L2M201 MT25K385FT2L2M201 Ordering Code B72225M0151M201 B72225M0271M201 B72225M0321M201 B72225M0381M201 PPD VAR PD Please read Cautions and warnings and Important notes at the end of this document. 2020-01-21 Page 4 of 12 Metal Oxide Varistor ThermoFuse Varistor B72225M ***M*** MT25*** MT25***FT3M301: Type Name MT25K150FT3M301 MT25K275FT3M301 MT25K320FT3M301 MT25K385FT3M301 Ordering Code B72225M0151M301 B72225M0271M301 B72225M0321M301 B72225M0381M301 PPD VAR PD Please read Cautions and warnings and Important notes at the end of this document. 2020-01-21 Page 5 of 12 Metal Oxide Varistor ThermoFuse Varistor B72225M ***M*** MT25*** Electrical data Note: the following technical specification is applicable for primary side Maximum Ratings (85 °C) max. operating voltage Type-SIOV Norminal surge current Max. surge current max. energy absorption (8/20 µs) *) (8/20 µs) *) (2 ms) [kA] [kA] [J] [W] average power dissipation RMS Voltage DC Voltage [V] [V] MT25K150*** 150 200 10 20 215 1 MT25K275*** 275 350 10 20 375 1 MT25K320*** 320 420 10 20 445 1 MT25K385*** 385 505 10 20 600 1 Note: Thermal fuse of MT25***W*** may safely form open circuit without any damage to the whole device after 20kA 8/20 μs test. Characteristics (25 °C): Type-SIOV Varistor Voltage (Vv) at 1 mA ±10% Up typical capacitance 10kA (1 kHz) [V] [V] [pF] MT25K150*** 240 800 2370 MT25K275*** 430 1400 1320 MT25K320*** 510 1700 1090 MT25K385*** 620 1800 900 *) acc.IEC61643-11 Inspection severity: Criteria: 10/0 per ceramic lot change of varistor voltage |dVV (1 mA)|