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RWS Datasheet

Precision Power Wirewound SMD Resistor 

RWS product image

 

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



 

Features

  • High overload capability for surge and pulse applications
  • Precision High Power wirewound Resistor
  • Low inductance available
  • RoHS Compliant

Specifications

Wattage:

0.5

Tolerance:

D (0.5%)

F (1%)

J (5%)

Resistance Range:

Min: R005

Max: 1K2

Resistance Range - Non-inductive:

Min: R1

Max: 200R

Wattage:

1

Tolerance:

D (0.5%)

F (1%)

J (5%)

Resistance Range:

Min: R005

Max: 5K

Resistance Range - Non-inductive:

Min: R1

Max: 1K

Wattage:

2

Tolerance:

D (0.5%)

F (1%)

J (5%)

Resistance Range:

Min: R005

Max: 12K

Resistance Range - Non-inductive:

Min: R1

Max: 2K4

Wattage:

3

Tolerance:

D (0.5%)

F (1%)

J (5%)

Resistance Range:

Min: R01

Max: 20K

Resistance Range - Non-inductive:

Min: R1

Max: 4K

Wattage:

5

Tolerance:

D (0.5%)

F (1%)

J (5%)

Resistance Range:

Min: R05

Max: 50K

Resistance Range - Non-inductive:

Min: R1

Max: 10K

Characteristics

± 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

 

Temperature Rise

RWS temperature rise chart

 

Derating Curve

RWS derating chart

Dimensions

(in mm ±0.5)

L1: 5.08

L2: 1.28

H1: 3.25

W1: 2.54

W2: 1.663

L1: 7.50

L2: 1.75

H1: 4.64

W1: 3.50

W2: 2.405

L1: 11.00

L2: 2.00

H1: 4.65

W1: 4.50

W2: 3.59

L1: 13.50

L2: 2.50

H1: 5.65

W1: 5.50

W2: 4.20

L1: 20.30

L2: 3.00

H1: 7.87

W1: 7.62

W2: 4.90

RWS Dimensions

 

Recommended Solder Pad Dimensions

L4: 2.0

W3: 2.2

L4: 2.5

W3: 3.0

L4: 2.8

W3: 4.2

L4: 3.5

W3: 4.8

L4: 4.0

W3: 5.5

RWS Dimensions

Ordering Information

Standard Resistor: Series, Resistance Value, Tolerance, Packaging (Tape & Reel or Bulk)
e.g. RWS1 / NRWS1 (non-inductive) R005 F TR

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 [email protected]
www.arcolresistors.com

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