MF72-33D7

MF72 WAYON | Alldatasheet

Document overview

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Technical content

Features

 Small size, high power  Fast response times  Great surge current capability  Large material constant (B value), small residual resistance  High reliability Application  UPS and switching power supplies  Electric heaters  Energy saving lamps  Electronic ballast  Color display tube  Lighting filament protection Structure Dimensions Table Type、Dimensions（mm） Dimensions Code D-5 D-7 D-9 D-11 D-13 D-15 D-20 D-25 Lmin 25 25 25 25 25 25 25 25 D d F L T H

（Ω）±20% Imax(A) Approx. R of Max. Current (Ω) Thermal Dissipation Constant(mW/℃) Thermal Time constant τ（s） Operation Temperature(℃) MF72-5D5 5 1 0.353 6 20 MF72-10D5 10 0.7 0.771 6 20 MF72-60D5 60 0.5 1.878 6 18 MF72-200D5 200 0.1 6.259 6 18 MF72-5D7 5 2 0.283 10 30 MF72-8D7 8 1 0.539 9 28 MF72-10D7 10 1 0.616 9 27 MF72-12D7 12 1 0.816 9 27 MF72-16D7 16 0.7 1.003 9 27 MF72-22D7 22 0.6 1.108 9 27 MF72-33D7 33 0.5 1.485 10 28 MF72-200D7 200 0.2 6.233 11 28 MF72-3D9 3 4 0.12 11 35 MF72-4D9 4 3 0.19 11 35 MF72-5D9 5 3 0.21 11 34 MF72-6D9 6 2 0.315 11 34 MF72-8D9 8 2 0.4 11 32 MF72-10D9 10 2 0.458 11 32 MF72-12D9 12 1 0.652 11 32 MF72-16D9 16 1 0.802 11 31 MF72-20D9 20 1 0.864 11 30 MF72-22D9 22 1 0.95 11 30 MF72-30D9 30 1 1.022 11 30 MF72-33D9 33 1 1.124 11 30 MF72-50D9 50 1 1.252 11 30 MF72-60D9 60 0.8 1.502 11 30 MF72-80D9 80 0.8 2.01 11 30 MF72-120D9 120 0.8 3.015 11 30 MF72-200D9 200 0.5 5.007 11 32 MF72-400D9 400 0.2 9.852 11 32 MF72-2.5D11 2.5 5 0.095 13 43 MF72-3D11 3 5 0.1 13 43 MF72-4D11 4 4 0.15 13 44 MF72-5D11 5 4 0.156 13 45 MF72-6D11 6 3 0.24 13 45 MF72-8D11 8 3 0.255 14 47 MF72-10D11 10 3 0.275 14 47 MF72-12D11 12 2 0.462 14 48 MF72-16D11 16 2 0.47 14 50 MF72-20D11 20 2 0.512 15 52 MF72-22D11 22 2 0.563 15 52 MF72-30D11 30 1.5 0.667 15 52 MF72-33D11 33 1.5 0.734 15 52 -55～+200

MF72-50D11 50 1.5 1.021 15 52 MF72-60D11 60 1.5 1.215 15 52 MF72-80D11 80 1.2 1.656 15 52 MF72-1.3D13 1.3 7 0.062 13 60 MF72-1.5D13 1.5 7 0.073 13 60 MF72-2.5D13 2.5 6 0.088 13 60 MF72-3D13 3 6 0.092 14 60 MF72-4D13 4 5 0.12 15 67 MF72-5D13 5 5 0.125 15 68 MF72-6D13 6 4 0.17 15 65 MF72-7D13 7 4 0.188 15 65 MF72-8D13 8 4 0.194 15 60 MF72-10D13 10 4 0.206 15 65 MF72-12D13 12 3 0.316 16 65 MF72-15D13 15 3 0.335 16 60 MF72-16D13 16 3 0.338 16 60 MF72-20D13 20 3 0.372 16 65 MF72-30D13 30 2.5 0.517 16 65 MF72-47D13 47 2 0.81 17 65 MF72-120D13 120 1.5 2.124 16 65 MF72-1.3D15 1.3 8 0.048 18 68 MF72-1.5D15 1.5 8 0.052 19 69 MF72-3D15 3 7 0.075 18 76 MF72-5D15 5 6 0.112 20 76 MF72-6D15 6 5 0.155 20 80 MF72-7D15 7 5 0.173 20 80 MF72-8D15 9 5 0.178 20 80 MF72-10D15 10 5 0.18 20 75 MF72-12D15 12 4 0.25 20 75 MF72-15D15 15 4 0.268 21 85 MF72-16D15 16 4 0.276 21 70 MF72-20D15 20 4 0.288 17 86 MF72-30D15 30 3.5 0.438 18 75 MF72-47D15 47 3 0.68 21 86 MF72-120D15 120 2.5 1.652 22 87 MF72-0.7D20 0.7 12 0.018 25 112 MF72-1.3D20 1.3 9 0.037 24 113 MF72-3D20 3 8 0.055 24 113 MF72-5D20 5 7 0.087 23 112 MF72-6D20 6 6 0.113 25 114 MF72-8D20 8 6 0.142 25 115 MF72-10D20 10 6 0.162 24 113 MF72-12D20 12 5 0.195 24 114 MF72-16D20 16 5 0.212 25 113 MF72-0.7D25 0.7 13 0.014 30 151 MF72-1.5D25 1.5 10 0.027 30 152 MF72-3D25 3 9 0.044 32 150 MF72-5D25 5 8 0.07 32 151 MF72-8D25 8 7 0.114 33 151

MF72-10D25 10 7 0.13 32 150 MF72-12D25 12 6 0.156 32 150 MF72-16D25 16 6 0.16 35 152

Electrical Characteristics

Characteristics Test Methods Zero Power Resistance at 25℃ Resistance shall be measured at DC current applied when the self heat generation does not occur at room ambient (25.0±0.2℃) B Value After the resistance at 25℃ and 85℃ respectively are measured, the B Value is calculated by the following equation: R25= Resistance at 25.0±0.2℃ R85= Resistance at 85.0±0.2℃ Thermal Dissipation Constant Equivalent to the required power to rise temperature of the thermistor up to 1℃ in the air and without cooling of airflow. the unit of the constant is mw/℃ Maximum allowable steady-state current Maximum allowable steady-state DC current applied at the specified temperature without cooling of airflow Thermal Time constant The period of time when the temperature of the specimens is (1-1/e) times the temperature difference shall be measured when the ambient temperature is changed.(e:2.71828) Voltage withstanding (Between Terminals and coating) An AC Voltage of 1000V shall be applied. Between the terminals and the insulating coating for one minute at room ambient. Insulation Resistance (Between Terminals and coating) Insulation resistance between terminals and the insulating coating shall be measured at 1000Vdc with one minute electrification, and at room ambient. CONTACT INFORMATION CYG WAYON CIRCUIT PROTECTION CO., LTD. No.1001, Shiwan(7) Road, Pudong District, Shanghai, P.R.China.201207 Tel: 8621-68960674 Fax: 8621-50757680-8618 Email: market@way-on.com WAYON website: http://www.way-on.com For additional information, please contact your local Sales Representative.