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SM-9 View Datasheet(PDF) - Riedon Powertron

Part NameDescriptionManufacturer
SM-9 Precision Wirewound Resistors RIEDON
Riedon Powertron RIEDON
SM-9 Datasheet PDF : 2 Pages
1 2
100 Series / SM Series / PC Series
Precision Wirewound Resistors
• Resistances to 6 Megohms
• Resistance Tolerances to ±0.005%
Temperature Coefficients of ±2 ppm/°C
• High TCR Available (Balco & Platinum Wire)
• 100% Acceptance Tested / Traceable to NIST
• Long Term Stability / 100ppm/year
Matched Resistance Sets to ±0.001% and ±0.5 ppm/°C
SPECIFICATIONS
Type
SM-2
SM-3
SM-4
SM-13
SM-5
SM-6
139A
SM-15
SM-12
100
SM-7
101
102
120
121
129
106
107
108
Commercial
Wattage
( Watts )
Maximum Ohms
0.06
0.08
0.10
0.10
0.12
0.15
0.15
0.175
0.20
0.20
0.25
0.25
75k
150k
250k
250k
400k
500k
500k
750k
750k
1M
1M
1.2M
0.33
2.5M
0.40
3.8M
0.50
3.8M
0.75
6M
1.00
6M
1.50
6M
2.00
6M
Minimum
Tolerance
(%)
0.005
Diameter
±0.005”
[±0.13mm]
0.100 [2.5]
0.125 [3.2]
0.125 [3.2]
0.156 [4.0]
0.187 [4.7]
0.187 [4.7]
0.250 [6.4]
0.187 [4.7]
0.187 [4.7]
0.250 [6.4]
0.210 [5.3]
0.250 [6.4]
0.250 [6.4]
0.375 [9.5]
0.375 [9.5]
0.375 [9.5]
0.500 [12.7]
0.500 [12.7]
0.500 [12.7]
Dimensions
Length
±0.025”
[±0.64mm]
Lead Diameter1
±0.002”
[±0.05mm]
Maximum
Working
Voltage
0.210 [5.3]
0.020 [0.5]
75
0.260 [6.6]
0.020 [0.5]
0.025 [0.6]
100
0.375 [9.5]
0.020 [0.5]
100
0.312 [7.9]
0.020 [0.5]
100
0.250 [6.4]
0.025 [0.6]
150
0.295 [7.5]
0.025 [0.6]
150
0.250 [6.4]
0.025 [0.6]
100
0.375 [9.5]
0.025 [0.6]
200
0.450 [11.4]
0.025 [0.6]
200
0.375 [9.5]
0.032 [0.8]
0.025 [0.6]
200
0.465 [11.8]
0.025 [0.6]
250
0.500 [12.7]
0.032 [0.8]
0.025 [0.6]
300
0.750 [19.1]
0.032 [0.8]
0.025 [0.6]
400
0.500 [12.7]
0.032 [0.8]
300
0.750 [19.1]
0.032 [0.8]
400
1.000 [25.4]
0.032 [0.8]
600
1.000 [25.4]
0.032 [0.8]
800
1.500 [38.1]
0.032 [0.8]
900
2.000 [50.8]
0.032 [0.8]
1000
1 Where more than one lead is listed / the top value is Standard
Lead Length = 1.50 [38] Min.
Ordering Information
Part Description: Part Type - Resistance - Tolerance - TCR ( If not standard )
Example: SM-6 25K Ohms 0.1%
Riedon Inc.
300 Cypress Avenue Alhambra CA 91801
(626) 284-9901
(626) 284-1704
04/14 www.riedon.com
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