Page 1 of 2
The information contained herein does not form part of
a contract and is subject to change without notice. Arcol
operate a policy of continual product development, therefore,
specifications may change.
It is the responsibility of the customer to ensure that the
component selected from our range is suitable for the intended
application. If in doubt please ask Arcol.
ARCOL UK Limited,
Threemilestone Ind. Estate,
Truro, Cornwall, TR4 9LG, UK.
T +44 (0) 1872 277431
F +44 (0) 1872 222002
E sales@arcolresistors.com
www.arcolresistors.com
1 / 11.46
RWS Precision Power Wirewound
SMD Resistor
A compact and precision power resistor, manufactured to the highest
standards; reliable and robust but still achieving drift of less than 1%
and TCR of 10-90ppm/˚C when under rated conditions
• High overload capability for surge and pulse applications
• Low inductance available
• Custom specification available
• RoHS Compliant
Electrical Specifications
Type Wattage Tolerance Resistance Range Resistance Range - Non-inductive
Min Max Min Max
RWS05 0.5
D (0.5%)
F (1%)
J (5%)
R005 1K R1 200R
RWS1 1 R005 5K8 R1 1K2
RWS2 2 R005 14K R1 2K8
RWS3 3 R01 25K R1 5K
RWS5 5 R05 50K R1 10K
Characteristics
Tolerance (Code):
Operating temperature:
Temperature coefficient:
Max. working voltage:
Short time overload
Solderability
Resistance to solder heat
Dielectric withstanding voltage
Load life
± 0.5% (D),± 1% (F), ± 5% (J)
-55°C to +155°C
± 90ppm/°C R1 - R99, ± 50ppm/°C 1R - 10R, ± 20ppm/°C > 10R
(PxR) 1/2
5 times rated wattage for 5 seconds
±(0.5% + 0.05mΩ)∆R
Bath temperature 235±5˚C, immersion time 2±0.5 seconds JIS C 5201 4.17
>95% of contact face covered new solder
Bath temperature 260±5˚C, immersion time 10±1 seconds JIS C 5201 4.18
±(0.5% + 0.05mΩ)∆R
Test voltage >500V, duration 1 minute JIS C 5201 4.7
70˚C ±2˚C, rated DC working voltage applied 1.5 hours on and 0.5 hours off, 1000 hours, ±(2.0% +
0.05mΩ)∆R
Page 2 of 2
The information contained herein does not form part of
a contract and is subject to change without notice. Arcol
operate a policy of continual product development, therefore,
specifications may change.
It is the responsibility of the customer to ensure that the
component selected from our range is suitable for the intended
application. If in doubt please ask Arcol.
ARCOL UK Limited,
Threemilestone Ind. Estate,
Truro, Cornwall, TR4 9LG, UK.
T +44 (0) 1872 277431
F +44 (0) 1872 222002
E sales@arcolresistors.com
www.arcolresistors.com
1 / 11.46
RWS SMD Precision Power
Wirewound Resistor
Temperature Rise Derating Curve
125
100
80
60
40
20
0
0 1/2W 1W 2W 3W 5W
Temperature (°C)
Power (Watt)
RWS-05
RWS-1
RWS-2
RWS-3
RWS-5
125
100
80
60
40
20
0
0-55 75 100 125 150 175
Rated Power (%)
Temperature (°C)
Ordering Procedure
Standard Resistor: Series, Resistance Value, Tolerance,
Packaging (T&R or Bulk)
e.g. RWS1 / NRWS1 (non-inductive) R005 F T&R
Dimensions (in mm ±0.5)
Type L1 L2L3 H1 W2
RWS05 5.08 1.28 2.52 3.25 1.663
RWS1 7.50 1.75 4.00 4.64 2.405
RWS2 11. 0 0 2.00 7. 0 0 4.65 3.59
RWS3 13.50 2.50 8.50 5.65 4.20
RWS5 20.30 3.00 12.30 7.87 4.90
Solder Pad Dimensions
Type L4 W3
RWS05 1.98 2.16
RWS1 2.45 2.95
RWS2 2.75 3.70
RWS3 3.20 4.20
RWS5 3.70 5.10
DIMENSIONS
Dimensions inches / millimeters +-inches Solder Pad Dimensions
Model L1
± 0.020
L2
± 0.020
L3
± 0.020
H1
± 0.020
W1
± 0.020
W2
± 0.020
L4
± 0.020
W3
± 0.020
RWIS2010 0.200/05.08 0.050/1.28 0.099/2.52 0.128/3.25 0.100/2.54 0.065/1.663 0.078/1.98 0.085/2.16
RWIS3014 0.300/07.50 0.069/1.75 0.157/4.00 0.183/4.64 0.138/3.50 0.095/2.405 0.096/2.45 0.116/2.95
RWIS4318 0.430/11.00 0.079/2.00 0.216/7.00 0.189/4.65 0.177/4.50 0.134/3.590 0.108/2.75 0.146/3.70
RWIS5322 0.530/13.50 0.098/2.50 0.256/8.50 0.229/5.65 0.217/5.50 0.165/4.200 0.126/3.20 0.165/4.20
RWIS8030 0.800/20.30 0.118/3.00 0.484/12.3 0.310/7.87 0.300/7.62 0.193/4.900 0.146/3.70 0.200/5.10
TEMPERATURE RISE
( In ⁰C )
DERATING
( Rated Power In % )
PERFORMANCE CHARACTERISTICS
Parameter Conditions Of Test Test Results
Thermo Shock -55⁰C +0⁰C,-3⁰C to 150⁰C +3⁰C,-0⁰C, 100 cycles,
Minimum 15 minute at each extremes
±(1.0% + 0.5mΩ)
△
R
Short Time Overload Overload voltage : 5 Times rated wattage for 5
seconds
±(0.5% + 0.5mΩ)
△
R
Solderability Bath Temperature 235±5℃, Immersion Time
2±0.5seconds JIS C 5201 4.17
>95% of contact face
covered new solder
Resistance To Solder Heat Bath Temperature 260±5℃, Immersion Time
10±1 seconds JIS C 5201 4.18
±(0.5% + 0.5mΩ)
△
R
Dielectric Withstanding
Voltage
Magnitude of test voltage : > 500 volts.
Duration 1 minute JIS C 5201 4.7
Pass
Insulation Resistance Apply Max Overload Voltage Duration 1
minute JIS C 5201 4.6
>10
9
Ω
High Temperature
Exposure
Exposed to am ambient temperature of 155⁰C
+5⁰C,-0⁰C, 1000 hours max.
±(1.0%+0.5mΩ)
△
R
Low Temperature Storage At a temperature of -55⁰C ±2⁰C for a period of
1000 +48/-0 hours
±(0.5%+0.5mΩ)
△
R
Life 70⁰C ±2⁰C, Rated DC working voltage applied,
1.5 hours on and 0.5 hours off. 1000 hour
±(2.0%+0.5mΩ)
△
R
PACKAGING
inches / millimeters
Model Tape Width Pitch Reel Dia. Pcs./ Reel Parts No. Pcs./Bulk Bag
RWIS2010 0.472 / 12.0 0.315 / 8.00 2500 KA12 200
RWIS3014 0.629 / 16.0 1500 KA12 200
RWIS4318 0.629 / 16.0 1500 KB16 200
RWIS5322 0.945 / 24.0 1500 KC24 100
RWIS8030 0.000 / 00.0 0.000 / 0.00
13 / 330
0600 KC24 100
ADVANCED WIRE WINDING TECHNOLOGY
USA 3 Jill Court Suite 4, Hillsborough Business Center Hillsborough NJ 08844 USA. Ph. : 908-281-1950 Fax : 908-281-1960
Taiwan 12F-1 No.77, Sec.1, Shin-Tai 5th. Rd., Xi-Zhi City, Taipei , 221 Taiwan Ph. : 886-2-8698-2389 Fax : 886-2-8698-2289
www.awwtech.com www.service@awwtech.com
AWWT SpS-6A306981V8. May 2011
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Arcol:
RWS3 270R F B RWS1 30R J B RWS1 100R J B RWS3 1K J B RWS05 R49 J B RWS05 50R J B RWS3 R22 F B
RWS5 1K J B RWS5 2R7 F B RWS3 1K F B RWS3 20R F B RWS1 4R7 J B RWS5 3R9 J B RWS05 2R5 J B
RWS5 10R J B RWS1 1R F B RWS5 R25 F B RWS1 R49 J B RWS1 3R J B RWS3 120R F B RWS5 1R8 J B
RWS3 R5 F B RWS3 2R2 J B RWS05 2R F B RWS5 2R J B RWS1 3R F B RWS5 30R F B RWS05 1K F B RWS5
R49 F B RWS5 50R J B RWS3 R15 F B RWS1 300R J B RWS3 27R J B RWS1 5R J B RWS5 20R F B RWS5 R27
J B RWS05 4R9 F B RWS5 3R9 F B RWS1 150R F B RWS05 R05 F B RWS5 2R7 J B RWS3 8R2 F B RWS05 3R
J B RWS3 2R7 F B RWS05 47R F B RWS05 2R5 F B RWS3 2K J B RWS3 3R F B RWS1 30R F B RWS1 2R5 J B
RWS1 R5 J B RWS1 2R7 J B RWS1 2R F B RWS3 120R J B RWS1 4R7 F B RWS3 R1 J B RWS3 1R5 F B
RWS5 39R F B RWS1 2R7 F B RWS1 2K J B RWS5 27R F B RWS05 R25 F B RWS5 150R F B RWS5 100R J B
RWS5 18R F B RWS05 R05 J B RWS05 2R2 F B RWS5 3R3 J B RWS3 2R F B RWS5 30R J B RWS05 1K J B
RWS3 1R8 J B RWS3 R39 J B RWS5 2R5 F B RWS05 1R F B RWS05 2R2 J B RWS5 180R F B RWS3 R82 J B
RWS3 R12 J B RWS3 8R2 J B RWS5 3R J B RWS5 2K J B RWS3 R47 F B RWS3 R47 J B RWS5 150R J B
RWS5 18R J B RWS05 R25 J B RWS3 20R J B RWS05 47R J B RWS5 2R F B RWS5 2R5 J B RWS5 270R J B
RWS3 39R F B RWS3 R27 F B RWS05 20R J B RWS05 10R F B RWS5 R27 F B RWS1 100R F B RWS3 2R5 F B
RWS5 1R5 F B
