100 Series / SM Series / PC Series
PrecisionꢀWirewoundꢀResistors
SPECIFICATIONS (continued)
PC Series
Dimensions
Commercial
Wattage
(ꢀWattsꢀ)
Minimum
Tolerance
(ꢀ%ꢀ)
Maximum
Working
Voltage
Maximumꢀ
Ohms
Type
Diameter
±0.005”ꢀ
[±0.13mm]
Length
±0.025”ꢀ
LeadꢀDiameter1
±0.002”ꢀ
LeadꢀSpacing
±0.015”ꢀ
[±0.4mm]
[±0.64mm]
[±0.05mm]
100PC
130PC
131PC
101PC
120PC
0.125
0.125
0.125
0.25
500k
500k
500k
600k
800k
0.250ꢀ[6.4]
0.250ꢀ[6.4]
0.250ꢀ[6.4]
0.250ꢀ[6.4]
0.375ꢀ[9.5]
0.375ꢀ[9.5]
0.312ꢀ[7.9]
0.312ꢀ[7.9]
0.500ꢀ[12.7]
0.500ꢀ[12.7]
0.025ꢀ[0.6]
0.025ꢀ[0.6]
0.025ꢀ[0.6]
0.025ꢀ[0.6]
0.032ꢀ[0.8]
0.150ꢀ[3.8]
0.150ꢀ[3.8]
0.200ꢀ[5.1]
0.150ꢀ[3.8]
0.200ꢀ[5.1]
150
150
150
150
300
0.005
0.40
0.032 [0.8]ꢀ
0.025ꢀ[0.6]
104PC
0.50
1M
0.500ꢀ[12.7]
0.500ꢀ[12.7]
0.300ꢀ[7.6]
400
1ꢀWhereꢀmoreꢀthanꢀoneꢀleadꢀisꢀlistedꢀ/ꢀtheꢀtopꢀvalueꢀisꢀStandard
LeadꢀLengthꢀ=ꢀ1.00ꢀ[25]ꢀMin.
Rectangular Series
Dimensions
Commercial
Wattage
(ꢀWattsꢀ)
Maximum
Working
Voltage
Maximumꢀ
Ohms
Type
Width
±0.010”ꢀ
[±0.25mm]
Height
±0.025”ꢀ
[±0.64mm]
Length
±0.010”ꢀ
[±0.25mm]
LeadꢀDiameter1
±0.002”ꢀ
[±0.05mm]
LeadꢀSpacing
±0.015”ꢀ
[±0.4mm]
SM-8
SM-9
0.125
0.250
0.300
0.500
500k
750k
500k
1M
0.140ꢀ[3.6]
0.150ꢀ[3.8]
0.102ꢀ[2.6]
0.160ꢀ[4.1]
0.250ꢀ[6.4]
0.270ꢀ[6.9]
0.320ꢀ[8.1]
0.525ꢀ[13.3]
0.270ꢀ[6.9]
0.540ꢀ[13.7]
0.300ꢀ[7.6]
0.585ꢀ[14.9]
0.032ꢀ[0.8]
0.032ꢀ[0.8]
0.025ꢀ[0.6]
0.032ꢀ[0.8]
0.125ꢀ[3.2]
0.250ꢀ[6.4]
0.150ꢀ[3.8]
0.400ꢀ[10.2]
150
150
150
150
SP5086
SP5232
1ꢀLeadꢀLengthꢀ=ꢀ1.00ꢀ[25]ꢀMin.
Specification
Value
Tolerances
±0.005%ꢀtoꢀ±1%ꢀ(ꢀSeeꢀDeratingꢀCurveꢀ)
Temperature Coefficient (ꢀStandardꢀ)
>100Wꢀ:ꢀ±10ppm/K
10Wꢀto100Wꢀ:ꢀ±20ppm/K
<10Wꢀ:ꢀ±30ppm/K
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ(ꢀdownꢀtoꢀ1ppmꢀonꢀrequestꢀ)
TemperatureꢀRange
-55°Cꢀtoꢀ+145°Cꢀ(ꢀSeeꢀDeratingꢀCurveꢀ)
Power Derating Curve
Notes: (ꢀContactꢀFactoryꢀforꢀtheseꢀoptionsꢀ)
180
160
140
120
100
80
Fast Rise Time -ꢀTheseꢀresistorsꢀareꢀavailableꢀinꢀaꢀ
lowꢀreactanceꢀdesignꢀforꢀfastꢀriseꢀtimeꢀandꢀextendedꢀ
frequencyꢀresponse.
High Stability -ꢀ Theseꢀ resistorsꢀ areꢀ availableꢀ inꢀ
aꢀ Highꢀ Stabilityꢀ versionꢀ withꢀ maximunꢀ resistanceꢀ
changeꢀofꢀ±20ppm/yearꢀunderꢀnormalꢀconditions.
60
40
High TC -ꢀTheseꢀresistorsꢀareꢀavailableꢀinꢀHighꢀTCꢀ
configurations. Standard TC’s are +2600 / +3850 /
+4500ꢀ/ꢀ+5000ꢀ/ꢀandꢀ+6000ꢀppm/K.
20
0
0ꢀ
20ꢀ
40ꢀ
60ꢀ
80ꢀ
100ꢀ
120ꢀ
140ꢀ
160
Ambient Temperature °C
Riedon Inc.ꢀ
1.02
ꢀ
300ꢀCypressꢀAvenueꢀ
ꢀ
AlhambraꢀCAꢀ91801ꢀ
www.riedon.com
ꢀ(626)ꢀ284-9901ꢀ
ꢀ(626)ꢀ284-1704
Pageꢀ4
