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BE Services, Inc., a subsidiary of Bourns, Inc., has purchased substantially all of Riedon's assets. See Press Release

Precision Wirewound Resistors

 

100 Series / SM Series / PC Series

Precision Wirewound Resistors

pdf

       100.jpg
  • Resistances to 6 Megohms (Inquire for additional values)
  • Resistance Tolerances to ±0.005%
  • TCR to ±2ppm/°C
  • High TCR Available (Balco & Platinum Wire)
  • 100% Acceptance Tested
  • Long Term Stability to 100ppm/year
  • Matched Resistance Sets to ±0.001% and ±0.5ppm/°C
Type Commercial
Wattage (W)
MAX Ohms Diameter Length Lead
Diamter
MAX Working
Voltage
SM-2 0.06 75K 0.100[2.5] 0.210[5.3] 0.020[0.5] 75
SM-3 0.08 150K 0.125[3.2] 0.260[6.6] 0.020[0.5]
0.025[0.6]
100
SM-4 0.10 250K 0.125[3.2] 0.375[9.5] 0.020[0.5] 100
SM-13 0.10 250K 0.156[4.0] 0.312[7.9] 0.020[0.5] 100
SM-5 0.12 400K 0.187[4.7] 0.250[6.4] 0.025[0.6] 150
SM-6 0.15 500K 0.187[4.7] 0.295[7.5] 0.025[0.6] 100
139A 0.15 500K 0.250[6.4] 0.250[6.4] 0.025[0.6] 200
SM-15 0.175 750K 0.187[4.7] 0.375[9.5] 0.025[0.6]
0.020[0.5]
200
SM-12 0.20 750K 0.187[4.7] 0.450[11.4] 0.025[0.6] 200
100 0.20 1M 0.250[6.4] 0.375[9.5] 0.032[0.8]
0.025[0.6]
200
SM-7 0.25 1M 0.210[5.3] 0.465[11.8] 0.025[0.6] 250
101 0.25 1.2M 0.250[6.4] 0.500[12.7] 0.032[0.8]
0.025[0.6]
300
102 0.33 2.5M 0.250[6.4] 0.750[19.1] 0.032[0.8]
0.025[0.6]
400
120 0.40 3.8M 0.375[9.5] 0.500[12.7] 0.032[0.8] 300
121 0.50 3.8M 0.375[9.5] 0.750[19.1] 0.032[0.8] 400
129 0.75 6M 0.375[9.5] 1.000[25.4] 0.032[0.8] 600
106 1.00 6M 0.500[12.7] 1.000[25.4] 0.032[0.8] 800
107 1.50 6M 0.500[12.7] 1.500[38.1] 0.032[0.8] 900
108 2.00 6M 0.500[12.7] 2.000[50.8] 0.032[0.8] 1000

1Where more than one lead is listed / the top value is Standard
Lead Length = 1.50 [38] Min.

pdfSee PDF Datasheet for Full Specifications

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