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
3 / 17.8
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
• Precision High Power wirewound Resistor
• Low inductance 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 1K2 R1 200R
RWS1 1 R005 5K R1 1K
RWS2 2 R005 12K R1 2K4
RWS3 3 R01 20K R1 4K
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
±(1.0% + 0.05Ω)∆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% + 0.05Ω)∆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% + 0.05Ω)∆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
3/ 17.8
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 (Tape & Reel or Bulk)
e.g. RWS1 / NRWS1 (non-inductive) R005 F TR
Dimensions (in mm ±0.5)
Type L
1
L
2
H
1
W
1
W
2
RWS05 5.08 1.28 3.25 2.54 1.663
RWS1 7.50 1.75 4.64 3.50 2.405
RWS2 11. 0 0 2.00 4.65 4.50 3.59
RWS3 13.50 2.50 5.65 5.50 4.20
RWS5 20.30 3.00 7.87 7.62 4.90
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
⁰
C )
DERATING
( Rated Power In % )
PERFORMANCE CHARACTERISTICS
Parameter Conditions Of Test Test Results
Thermo Shock -55
⁰
C +0
⁰
C,-3
⁰
C to 150
⁰
C +3
⁰
C,-0
⁰
C, 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 155
⁰
C
+5
⁰
C,-0
⁰
C, 1000 hours max.
±(1.0%+0.5mΩ)
△
R
Low Temperature Storage At a temperature of -55
⁰
C ±2
⁰
C for a period of
1000 +48/-0 hours
±(0.5%+0.5mΩ)
△
R
Life 70
⁰
C ±2
⁰
C, 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
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
⁰
C )
DERATING
( Rated Power In % )
PERFORMANCE CHARACTERISTICS
Parameter Conditions Of Test Test Results
Thermo Shock -55
⁰
C +0
⁰
C,-3
⁰
C to 150
⁰
C +3
⁰
C,-0
⁰
C, 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 155
⁰
C
+5
⁰
C,-0
⁰
C, 1000 hours max.
±(1.0%+0.5mΩ)
△
R
Low Temperature Storage At a temperature of -55
⁰
C ±2
⁰
C for a period of
1000 +48/-0 hours
±(0.5%+0.5mΩ)
△
R
Life 70
⁰
C ±2
⁰
C, 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
L1
Recommended Solder Pad
Dimensions
Type L
4
W
3
RWS05 2.0 2.2
RWS1 2.5 3.0
RWS2 2.8 4.2
RWS3 3.5 4.8
RWS5 4.0 5.5