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Firstohm First Resistor Condenser MM204F430RTKRTR3K0 Metal Film MELF Resistor Designed for and Operation

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Product Description

Product Overview

The MM Metal Film MELF Resistor series offers SMD-enabled structure with excellent solderability termination. These resistors meet RoHS requirements and are designed for reliability and cost-effectiveness through innovation. They are suitable for various applications requiring precise resistance values and stable performance.

Product Attributes

  • Brand: Firstohm
  • Product Type: Metal Film MELF Resistor
  • Certifications: IEC 60115-1, EN140401-803
  • Compliance: RoHS

Technical Specifications

TypePower Rating At 70CMax. Working VoltageMax. Overload VoltageMin. ResistanceMax. ResistanceResistance ToleranceTCR (ppm/C)Dimensions (L x D1 x D2, mm)Net Weight Per 1000 pcs
MM161/6W200V400V0, 0.5110M1% (E-24/E-96), 2%, 5% (E-24)25, 50, 1003.52 0.15 x 1.35 0.1 x (D1+0.02/-0.15)17 grams
MM2041/4W200V400V0, 0.5110M1% (E-24/E-96), 2%, 5% (E-24)25, 50, 1003.52 0.15 x 1.35 0.1 x (D1+0.02/-0.15)17 grams
MM2071/3W300V500V0, 0.5110M1% (E-24/E-96), 2%, 5% (E-24)25, 50, 1005.90 0.20 x 2.20 0.1 x (D1+0.02/-0.2)66 grams
MM521/2W300V500V0, 0.5110M1% (E-24/E-96), 2%, 5% (E-24)25, 50, 1005.90 0.20 x 2.20 0.1 x (D1+0.02/-0.2)66 grams

Performance Specifications

CharacteristicTest ConditionsLimits
Short Time OverloadIEC 60115-1 4.13, 5 seconds, 2.5x rated voltage (not over max. overload voltage)1.0%
Load LifeIEC 60115-1 4.25.1, Rated load, 1,000 hours at (702)C1.0%
Load Life In HumidityIEC 60115-1 4.24, 56 days rated load at (402)C and (933)% RH1.5%
Load Life In Humidity (accelerated)IEC 60115-1 4.37, 1,000 hours at 85C and 85% RH with 0.1x rated voltage2.0%
Periodic Electric OverloadIEC 60115-1 4.39, 3.9x rated voltage, 1,000 cycles (0.1s ON, 2.5s OFF)1.0%
Resistance To Soldering HeatIEC 60115-1 4.18.2, (2605)C for 101 seconds0.5%
Thermal EnduranceIEC 60115-1 4.25.3, 1,000 hours at 85C or 125C without load1.0%
Thermal ShockIEC 60115-1 4.19, 5 cycles (-55C 30min, +125C 30min)0.5%
Thermal ShockIEC 60115-1 4.19, 1,000 cycles (-55C 30min, +125C 30min)1.5%
Single pulse high voltage overloadIEC 60115-1 4.27, 5 pulses of 1.2/50s at 10x rated voltage0.5%
Single pulse high voltage overloadIEC 60115-1 4.27, 10 pulses of 10/700s at 10x rated voltage0.5%
Electrostatic discharge (Human body model)IEC 60115-1 4.38, 2KV (MM16/MM204) or 4KV (MM207/MM52)2.0%
Climatic testIEC 60115-1 4.23, Cyclic (5 days, 55C, 95% RH)1.0%
SolderabilityIEC 60115-1 4.17.2, (2353)C for 20.2 seconds> 95%
VibrationIEC 60115-1 4.22, 10 to 2,000 Hz, 1.52mm amplitude1.0%
Bending testIEC 60115-1 4.33, 2mm pressing depth, 3 times0.25%
FlammabilityIEC 60115-1 4.35, Needle flame test 10sNo burning after 30s

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Beijing Silk Road Enterprise Management Services Co., Ltd.
Location 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person Sellina

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