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SMC210049R9FLF

SKU: SMC210049R9FLF

Regular price ₹ 80.38
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IRC MELF Resistors 2 Watts 49.9 Ohms - Part Number: SMC210049R9FLF

Discover the high-performance MELF resistors from IRC/TT ELECTRONICS, designed for demanding applications requiring reliable and precise resistance. These 2-watt MELF resistors are ideal for automotive and harsh thermal environments, offering excellent surge performance and mechanical compliance.

Product Features:

  • Lead-free and RoHS compliant, ensuring environmentally friendly manufacturing
  • Uses standard IRC 2512 and 3610 solder pads for easy integration
  • Uncompromising Metal Glaze™ technology for superior surge performance
  • Capped terminals provide mechanical compliance relief from board TCE mismatch
  • Suitable for automotive and other harsh thermal applications

Technical Specifications:

IRC Type Industry Standard Footprint Power Rating (Watts) Resistance Range (Ohms) Tolerance (±%) TCR (±ppm/°C) Operating Voltage (V) Maximum Voltage (V)
SMC-1 2512 1.0 @ 70°C 1.0 to 10 Ω, ≥ 10 - 1 MΩ 5 200 350 700
SMC-2 3610 2.0 @ 25°C, 1.33 @ 70°C 1.0 to 10 Ω, ≥ 10 - 1 MΩ 5 200 500 1000

Environmental and Durability Data:

  • Temperature Coefficient: ±200 ppm/°C (MIL-PRF-55342E Par 4.7.9)
  • Temperature Range: -55°C to +150°C
  • Thermal Shock: ±2.0% +0.01Ω (R ≤ 10Ω), ±1.0% +0.01Ω (R > 10Ω)
  • Low Temperature Operation: ±1.0% +0.01Ω (R ≤ 10Ω), ±0.5% +0.01Ω (R > 10Ω)
  • Resistance to Bonding, Solderability, Moisture Resistance, and Life Test: Meets MIL standards
  • Resistance to Board Bending and Operating Temperature: -55°C to +150°C

Physical Dimensions:

Industry Footprint Part Number Length (inches/mm) Width/Diameter (inches/mm) Termination Width (inches/mm)
2512 SMC-1 0.250 ±0.010 (6.35 ±0.25) 0.122 ±0.003 (3.10 ±0.08) 0.060 ±0.010 (1.50 ±0.25)
3610 SMC-2 0.367 ±0.010 (9.32 ±0.25) 0.122 ±0.003 (3.10 ±0.08) 0.060 ±0.010 (1.50 ±0.25)

Solder Pad Dimensions (Reflow):

Industry Footprint A (inches/mm) B (inches/mm) C (inches/mm) D (inches/mm) E (inches/mm) F (inches/mm)
2512 0.121 (3.07) 0.126 (3.20) 0.127 (3.23) 0.183 (4.65) 0.040 (1.02) 0.369 (9.37)
3610 0.170 (4.32) 0.160 (4.06) 0.213 (5.41) 0.273 (6.93) 0.044 (1.12) 0.553 (14.05)

Packaging:

  • Reel Packaging per EIA-481: 7" reel with 750 components, 13" reel with 2,500 components

Part Number Example:

SMC1 100 2003 F LF XXX 13

  • IRC Type: SMC1 or SMC2
  • Temperature Coefficient: 100 or 200 ppm
  • Resistance Value: e.g., 2203 = 220 kΩ, 51R0 = 51 Ω, 2R00 = 2.0 Ω
  • Tolerance: F = ±1.0%, G = ±2.0%, J = ±5.0%
  • Packaging Code: 7 or 13

Datasheet:

Download Datasheet

Note: All parts are Pb-free and comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3). TT Electronics reserves the right to make changes without notice. For more details, please search the internet using the part number.


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