S & SL Series
Surface Mount Wirewound Resistors
• Resistance: 0.005 to 50kOhms
• High Power: to 4 Watts
• Tolerance to ±0.05%
• High Temperature Rating up to 275°C
• Low Temperature Coefficient to ±20ppm/°C
• Superior Surge Handling Capability
• Non-Inductive Windings are Available (Type SN)
• Flame Resistant UL 94V-0
SPECIFICATIONS
Maximum
Working Voltage
Power Rating
Watts @ 70°C
Resistance
Non-Inductive Winding
Type
Range ( W )1
0.01 to 400
0.005 to 3k
0.01 to 15k
0.01 to 25k
0.01 to 50k
0.005 to 0.01
0.005 to 0.07
Resistance Range ( W )2
0.1 to 200
0.1 to 1.5K
0.1 to 7.5K
0.1 to 12.5K
0.1 to 25K
N/A 1
S-1
S-2
0.5
1
S-4
2
S-3
3
P * R
S-5
4
SL-2
SL-4
1
N/A 1
2
Specification
Value
S: greater than 100Ω, ±0.05% to ±5%
S: from 1Ω to 100Ω, ±0.1% to ±5%
S: below 1Ω, ±1% to ±5%
Tolerances
SL: ±1% to ±5%
S: greater than 10W : ±20ppm/°C
S: from 1W to 10W : ±50ppm/°C
S: less than 1W : Call Factory
Temperature Coefficient
SL: ±200ppm/°C, For Lower Call Factory
Temperature Range
Dielectric Strength
-55°C to +275°C
S: 1000 VAC
SL: 500 VAC
Insulation Resistance
Terminal Finish
>1000 MOhms / Dry
100% Electroless Tin (matte) over Copper
Power Derating Curve
Environmental Performance
Δ R MAX
(MIL-STD 202)
120
Dielectric
±0.5% + 0.05W
100
Load Life
±1.0% + 0.05W
80
Storage
±0.5% + 0.05W
60
Moisture Resistance
Thermal Shock
5X Overload ( 5s )
Shock
±1.0% + 0.05W
40
±0.5% + 0.05W
20
±0.5% + 0.05W
0
±0.5% + 0.05W
0
50
100
150
200
250
300
350
Solder Heat Resistance ( 260C, 10s )
±0.5% + 0.05W
Ambient Temperature (°C)
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
© Riedon, Inc.
www.riedon.com
sales@riedon.com
Revised: 202104_004