MTR MERITEK | Alldatasheet

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ƒ TO-220 / TO-247 style power package ƒ Molded case for protection and easy mounting ƒ Electrically isolated case ƒ Non-Inductive design Part Numbering System Construction Power Package Product Type Power Resistance Tolerance Packaging Code TCR (PPM/°C) Resistance Code 20: 20 Watts 30: 30 Watts 35: 35 Watts 50: 50 Watts 100: 100 Watts D: ±0.5% F: ±1% J: ±5% K: ±10% B: Bulk D: ±50 E: ±100 F: ±200 G: ±300 -:No Specified R100: 0.1Ω 0100: 10Ω 4700: 470Ω 1001: 1000Ω 1002: 10000Ω H: Mounting Hole Type Power Package MTR20 TO-220 MTR30 TO-220 MTR35 TO-220 MTR50 TO-220 MTR50-H TO-220 MTR100 TO-247

1 Alumina Substrate 3 Lead

2 Resistor Layer 4 Molded Package

MTR Series Power Resistors MTR 20 J B 1001 D -H Rev.7

Environmental Characteristics Item Requirement Test Method Temperature Coefficient of Resistance (T.C.R.) As Specified. Referenced to 25°C, ΔR taken at +105°C Short Time Overload ΔR±0.3% 2 times rated power with applied voltage not to exceed 1.5 times maximum continuous operating voltage for 5 seconds Load Life ΔR±1.0% 2,000 hours at rated power “ON” and 0.5 hrs “OFF” Solderability 90% min. coverage 245±5°C for 3 seconds Thermal Shock ΔR±0.3% -65°C ~150°C, 100 cycles Terminal Strength ΔR±0.2% (Pull Test) 2.4N Vibration, High Frequency ΔR±0.2% 20g peak ƒ Lead Material: Tinned Copper ƒ Maximum Torque: 0.9 N-m ƒ Without a Heat Sink, When in Free Air at 25°C, it is rated for 2.25W. ƒ The Case Temperature is to be used for the Definition of the Applied Power Limit. ƒ The Case Temperature Measurement Must be Made with a Thermocouple Contacting the Center of the Component Mounted on the Designed Heat Sink. ƒ Thermal Grease Should be Applied Properly. MTR Series Power Resistors Rev.7

Electrical Characteristics Specifications Resistance Range Item Type ±0.5% ±1% ±5% ±10% TCR (PPM/°C) - - 0.05Ω -1Ω - >1Ω -3Ω ±300 - >3Ω -10Ω ±100 ±200 MTR20 >10Ω –10KΩ ±50 ±100 ±200 ƒ Operating Voltage: 350Vmax ƒ Dielectric Strength: 1800VAC ƒ Insulation Resistance: 10GΩ min. ƒ Working Temperature Range: -65°C to +150°C ƒ Resistance Value< 1Ω is available Type Weight (g) (1000pcs) MTR20 1290 Power Resistors MTR Series Rev.7

Electrical Characteristics Specifications Operating Voltage: 420Vmax Dielectric Strength: 1800VAC Insulation Resistance: 10GΩ min. Working Temperature Range: -65°C to +150°C Resistance Value < 1Ω is available Type Weight (g) (1000pcs) MTR30 1155 Resistance Range Item Type - - 0.05Ω -1Ω - >1Ω -3Ω ±300 - >3Ω -10Ω ±100 ±200 MTR30 >10Ω –10KΩ ±50 ±100 ±200 MTR Series Power Resistors Rev.7

Electrical Characteristics Specifications TCR (PPM/°C) Item Type Resistance Range ±0.5% ±1% ±5% ±10% 0.05Ω - 0.1Ω － － >0.1Ω - 1Ω － － >1Ω - 3Ω ±300 ±300 ±300 >3Ω - 10Ω ±100 ±200 ±100 ±200 ±100 ±200 MTR >10Ω - 10KΩ ±50 ±100 ±200 ±50 ±100 ±200 ±50 ±100 ±200 ±50 ±100 ±200 Operating Voltage: 350VMax Dielectric Strength: 1800VAC Insulation Resistance: 10GΩ min. Working Temperature Range: -65°C to +150°C Resistance Value < 1Ω is available Type Weight (g) (1000pcs) MTR35 1902 MTR Series Power Resistors Rev.7

Electrical Characteristics Specifications Operating Voltage: 350VMax Dielectric Strength: 1800VAC Insulation Resistance: 10GΩ min. Working Temperature Range: -65°C to +150°C Resistance Value < 1Ω is available Type Weight (g) (1000pcs) MTR50 1290 Resistance Range Item Type ±0.5% ±1% ±5% ±10% TCR (PPM/°C) - - 0.1Ω -1Ω - >1Ω -3Ω ±300 - >3Ω -10Ω ±100 ±200 MTR50 >10Ω –10KΩ ±50 ±100 ±200 MTR Series Power Resistors 0.115 0.135" (2.92 3.44mm) 0.06 0.08" (1.52 2.04mm) 0.016 0.024" (0.40 0.60mm) 0.026 0.034" (0.66 0.86mm) 0.45 0.55" (11.43 13.97mm) 0.40 0.42" (10.15 10.67mm) 0.19 0.21" (4.82 5.34mm) 0.045 0.055" (1.14 1.40mm) 0.63 0.65" (16.00 16.52mm) 0.10 0.16" (2.54 4.06mm) Rev.7

Electrical Characteristics Specifications Operating Voltage: 350VMax Dielectric Strength: 1800VAC Insulation Resistance: 10GΩ min. Working Temperature Range: -65°C to +150°C Resistance Value < 1Ω is available Type Weight (g) (1000pcs) MTR50-H 2770 Resistance Range Item Type ±0.5% ±1% ±5% ±10% TCR (PPM/°C) - - 0.1Ω -1Ω - >1Ω -3Ω ±300 - >3Ω -10Ω ±100 ±200 MTR50 >10Ω –10KΩ ±50 ±100 ±200 MTR Series Power Resistors 0.045 0.055" (1.14 1.40mm) 0.115 0.135" (2.92 3.44mm) 0.06 0.08" (1.52 2.04mm) 0.19 0.21" (4.82 5.34mm) 0.45 0.55" (11.43 13.97mm) 0.026 0.034" (0.66 0.86mm) 0.10 0.16" (2.54 4.06mm) 0.63 0.65" (16.00 16.52mm) 0.40 0.42" (10.15 10.67mm) 0.115 0.135" (2.92 3.44mm) 0.121 0.129" (3.08 3.28mm) 0.016 0.024" (0.40 0.60mm) (2.00mm) (1.50mm) Rev.7

Type Weight (g) (1000pcs) MTR100 3381 Derating Curve Electrical Characteristics Specifications Resistance Range Item Type ±1% ±5% ±10% TCR (PPM/°C) - 0.05Ω -1Ω >1Ω -3Ω ±300 >3Ω -10Ω ±100 ±200 MTR100 >10Ω –10KΩ ±50 ±100 ±200 Operating Voltage: 700VMax Dielectric Strength: 1800VAC Insulation Resistance: 10GΩ min. Working Temperature Range: -65°C to +175°C Resistance Value < 1Ω is available MTR Series Power Resistors Rev.7