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
Type
S-1
S-2
S-4
S-3
S-5
SL-2
SL-4
Power Rating
Watts @ 70°C
Resistance
Range (
Ω
)
0.01 to 400
0.005 to 3k
0.01 to 15k
0.01 to 25k
0.01 to 50k
0.005 to 0.05
0.005 to 0.07
1
Non-Inductive Winding
Resistance Range (
Ω
)¹
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
N/A
Maximum
Working Voltage
0.5
1
2
3
4
1
2
P
*
R
Below 0.1Ω the inductance of a single winding, or the metal element (SL) is negligible
Specification
Tolerances
Value
S: Above 100Ω, ±0.05% to ±5%
S: Above 1Ω, ±0.1% to ±5%
S: Below 1Ω, ±1% to ±5%
SL: ±1% to ±5%
S: >10Ω : ±20ppm/°C
S: 1Ω to10Ω : ±50ppm/°C
S: <1Ω : Call Factory
SL: ±200ppm/°C, For Lower Call Factory
-55°C to +275°C
S: 1000 VAC
SL: 500 VAC
>1000 MOhms / Dry
100% Electroless Tin over Copper
S-1: 12 / S-2: 16 / S-3: 24 / S-4: 24 / S-5: 32 / SL-2: 16 / SL-4: 24
Temperature Coefficient
Temperature Range
Dielectric Strength
Insulation Resistance
Terminal Finish
Reel / Tape Width (mm)
Environmental Performance
(MIL-STD 202)
∆R
MAX
±0.5% + 0.05Ω
Power Derating Curve
120
100
Dielectric
Load Life
Storage
Moisture Resistance
Thermal Shock
5X Overload ( 5s )
Shock
Solder Heat Resistance ( 260C, 10s )
Power ( % )
±1% + 0.05Ω
±0.5% + 0.05Ω
±1% + 0.05Ω
±0.5% + 0.05Ω
±0.5% + 0.05Ω
±0.5% + 0.05Ω
±0.5% + 0.05Ω
80
60
40
20
0
0
50
100
150
200
250
300
350
Ambient Temperature (°C)
Riedon Inc.
8/17
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704
S & SL Series
Surface Mount Wirewound Resistors
SPECIFICATIONS
(continued)
Dimensions
Type
A
±0.015”
[±0.4mm]
0.190 [4.8]
0.260 [6.6]
0.450 [11.4]
0.625 [15.9]
0.820 [20.8]
0.260 [6.6]
0.450 [11.4]
B
±0.015”
[±0.4mm]
0.130 [3.3]
0.155 [3.9]
0.250 [6.4]
0.270 [6.9]
0.295 [7.5]
0.155 [3.9]
0.250 [6.4]
C
±0.015”
[±0.4mm]
0.110 [2.8]
0.125 [3.2]
0.180 [4.6]
0.250 [6.4]
0.305 [7.7]
0.100 [2.5]
0.100 [2.5]
D
±0.015”
[±0.4mm]
0.060 [1.5]
0.070 [1.8]
0.120 [3.0]
0.120 [3.0]
0.150 [3.8]
0.070 [1.8]
0.120 [3.0]
F
±0.015”
[±0.4mm]
0.040 [1.0]
0.070 [1.8]
0.100 [2.5]
0.135 [3.4]
0.190 [4.8]
0.070 [1.8]
0.100 [2.5]
Lead Thick-
ness
±0.002”
[±0.05mm]
0.006 [0.15]
0.006 [0.15]
0.006 [0.15]
0.006 [0.15]
0.006 [0.15]
0.006 [0.15]
0.006 [0.15]
Stand-Off
E
±0.015”
[±0.4mm]
0.100 [2.5]
0.120 [3.0]
0.190 [4.8]
0.150 [3.8]
0.245 [6.2]
0.120 [3.0]
0.190 [4.8]
Height
±0.005”
[±0.13mm]
0.005 [0.13]
0.005 [0.13]
0.005 [0.13]
0.005 [0.13]
0.005 [0.13]
0.005 [0.13]
0.005 [0.13]
W
±0.015”
[±0.4mm]
0.062 [1.6]
0.096 [2.4]
0.150 [3.8]
0.200 [5.1]
0.220 [5.6]
0.096 [2.4]
0.150 [3.8]
Footprint
H
±0.015”
[±0.4mm]
0.100 [2.5]
0.150 [3.8]
0.200 [5.1]
0.220 [5.6]
0.250 [6.4]
0.150 [3.8]
0.200 [5.1]
L
±0.015”
[±0.4mm]
0.250 [6.4]
0.337 [8.6]
0.540 [13.7]
0.700 [17.8]
0.900 [22.9]
0.337 [8.6]
0.540 [13.7]
S-1
S-2
S-4
S-3
S-5
SL-2
SL-4
Standard Package Quantities
S-1
Small Reel
Large Reel
650
3000
S-2
600
2000
S-4
250
1000
S-3
125
500
S-5
180
500
SL-2
600
2000
SL-4
250
1000
Surface Mount Humidity Packaging:
All Riedon Surface Mount wirewound resistors have a Moisture Sensitivity Level (MSL) rating of 2 (1-year floor life).
Surface Mount parts are packaged in a Moisture Barrier Bag (MBB) with a Humidity Indicator Card and desiccant to
monitor and protect the parts from humidity. The MBB is marked with a Moisture-Sensitive Identification Label.
Ordering Information
Part Description:
Part Type Resistance Tolerance TCR (if not standard)
Example: S-4 100 OHM 1%
For non-inductive windings (Resistance > 0.1Ω) insert the letter “N” (i.e. SN-4)
Riedon Inc.
8/17
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704
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