SMC1-499RFI Welwyn Components, SMC1-499RFI Datasheet - Page 3

• Manufacturer Part Number: SMC1-499RFI
• Description: RESISTOR, 499R 1W 100PPM
• Manufacturer: Welwyn Components
• Series: SMCr

Specifications of SMC1-499RFI

• Resistance: 499ohm
• Resistance Tolerance: ± 1%
• Power Rating: 1W
• Voltage Rating: 350V
• Resistor Element Material: Metal Film
• Resistor Case Style: 2512
• No. Of: RoHS Compliant
• Temperature Coefficient: ± 100ppm/°C

SMC Surge Capabilities
Ordering Information
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of printing.
© IRC Wire and Film Technologies Division
Telephone: [phone] • Facsimile: 828 264 8866 • Website: www.irctt.com
Cylindrical Surface Mount Metal Glaze
Compliant Terminal Resistors
Sample Part No.
IRC Type
(SMC 1 or SMC 2)
Temperature Coefficient
(50 or 100 PPM)
Resistance Value
(First 3 significant figures plus fourth digit multiplier)
Example: 2203 = 220 K Ohm
Tolerance
C = ±0.25%, D = ±0.5%,
F = ±1.0%, G = ±2.0%, J= ±5.0%
LF
Provides clear “Lead Free” Designation
Packaging Code
(7 = 7” Reel, 13 = 13” Reel)
SMC Series Surge Capability for
Non-repetitive or Low Repetition Rate Surges
10,000
1,000
51R0 = 51 Ohm
R200 = 0.2 Ohm
100
10
1
1.0E-04
SMC1 100 2003
• 736 Greenway Road Boone, North Carolina 28607-1860
1.0E-03
SMC-2
SMC-1
F
™
LF
Surge or Pulse Duration (Seconds)
13
1.0E-02
IRC Wire and Film Technologies Division
1.0E-01
SMC Series Issue February 2007
1.0E+00
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A subsidiary of