SMC1-499RFI Welwyn Components, SMC1-499RFI Datasheet - Page 2

• 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

Dimensions (mm)
Performance Curves
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
Footprint
Industry
2512
3610
120%
100%
SMC Power Derating Curve
80%
60%
40%
20%
0%
25
SMC-1
IRC type
35
SMC-1
SMC-2
SMC-2
45
• 736 Greenway Road Boone, North Carolina 28607-1860
W
55
0.250 ± 0.010
0.367 ± 0.010
(6.35 ± 0.25)
(9.32 ± 0.25)
(Length)
65
™
L
Ambient Temperature (C)
75
L
85
C
95
(Width/Diameter)
0.122 ± 0.003
0.122 ± 0.003
(3.10 ± 0.08)
(3.10 ± 0.08)
IRC Wire and Film Technologies Division
105
W
115
125
(Termination Width)
135
0.080 ± 0.010
0.080 ± 0.010
(2.04 ± 0.25)
(2.04 ± 0.25)
SMC Series Issue February 2007
C
145
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