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RW1/RW2 Series Datasheet

Surface Mount Four Terminal Current Sense

Res Rw1_Rw2 product image

 

Features

  • Extremely low resistance and high precision tolerance
  • Low T.C.R. achieved (±50ppm/°C)
  • Flameproof UL94-V-0
  • Marking: Black body color with white marking

Specifications

Power Rating(watts): 1

Resistance Range E-12(mΩ): 5mΩ - 50mΩ

Resistance Tolerance: 1%

Dielectric Withstanding Voltage: 500V

TCR(max. ppm/°C): ±50

Qty./Reel: 1000

Power Rating(watts): 2

Resistance Range E-12(mΩ): 5mΩ - 50mΩ

Resistance Tolerance: 1%

Dielectric Withstanding Voltage: 500V

TCR(max. ppm/°C): ±50

Qty./Reel: 1000

Characteristics

±50 ppm/°C

+70°C

-55°C - +125°C

Derating

Res Rw1_Rw2 Graph 1

Surface Temperature Rise 

Res Rw1_Rw2 Graph 2

Typical Schematic

Res Rw1_Rw2 Schematic

Performance Data

Requirement ∆R(Limit):

Within regulated tolerance

Requirement ∆R(Typical):

Test Method:

25°C

Requirement ∆R(Limit):

Within specified T.C.R.

Requirement ∆R(Typical):

Test Method:

+25°C/-55°C and +25°C/+125°C

Requirement ∆R(Limit):

±1.0%

Requirement ∆R(Typical):

±1.0%

Test Method:

Rated power x 5 for 5 seconds

Requirement ∆R(Limit):

±1.0%

Requirement ∆R(Typical):

±1.0%

Test Method:

260°C ± 5°C, 10 seconds ±1 second

Requirement ∆R(Limit):

±1.0%

Requirement ∆R(Typical):

±0.5%

Test Method:

-55°C (30 minutes), +125°C (30 minutes), 500 cycles

Requirement ∆R(Limit):

±2.0%

Requirement ∆R(Typical):

±0.5%

Test Method:

40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle

Requirement ∆R(Limit):

±1.0%

Requirement ∆R(Typical):

±0.5%

Test Method:

70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle

Requirement ∆R(Limit):

±0.5%

Requirement ∆R(Typical):

±0.25%

Test Method:

-55°C, 1 hour

Requirement ∆R(Limit):

±0.5%

Requirement ∆R(Typical):

±0.25%

Test Method:

+125°C, 100 hours

Dimensions

(in./mm) 

Res Rw1_Rw2 Dimensions 1

L: 0.425±.02 (10.8±0.5)

W: 0.244±.012 (6.2±0.3)

t: 0.083±.008 (2.1±0.2)

a: 0.118±.012 (3.0±0.3)

b: 0.031±.008 (0.8±0.2)

c: 0.055±.02 (1.4±0.5)

d: 0.047±.02 (1.2±0.5)

e: 0.051±.012 (1.3±0.3)

f: 0.051±.012 (1.3±0.3)

g: 0.197±.004 (5.0±0.1)

h: 0.098±.004 (2.5±0.1)

j: 0.39 (10.0)

k: 0.08 (2.0)

m: 0.04 (1.0)

n: 0.12 (3.0)

o: 0.24 (6.0)

p: 0.20 (5.0)

q: 0.06 (1.6)

r: 0.08 (2.0)

s: 0.04 (1.0)

L: 0.504±.02 (12.8±0.5)

W: 0.323±.012 (8.2±0.3)

t: 0.122±.008 (3.1±0.2)

a: 0.197±.012 (5.0±0.3)

b: 0.039±.008 (1.0±0.2)

c: 0.079±.02 (2.0±0.5)

d: 0.079±.02 (2.0±0.5)

e: 0.087±.012 (2.2±0.3)

f: 0.087±.012 (2.2±0.3) 0

g: 0.236±.004 (6.0±0.1)

h: 0.118±.004 (3.0±0.1) 0

j: 0.47 (12.0)

k: 0.09 (2.3)

m: 0.05 (1.15)

n: 0.21 (5.3)

o: 0.31 (8.0)

p: 0.24 (6.0)

q: 0.09 (2.2)

r: 0.13 (3.2)

s: 0.06 (1.6)

 

Land Pattern

Res Rw1_Rw2 Pattern

Ordering Information

Res Rw1_Rw2 Order Info

 

Standard Part Numbers for RW Series

Series: RW1S0CK----FET

Wattage: 1 watt

Tolerance: 1%

Ohms: 0.00500

Series: RW1S0CK----FET

Wattage: 1 watt

Tolerance: 1%

Ohms: 0.01000

Series: RW1S0CK----FET

Wattage: 1 watt

Tolerance: 1%

Ohms: 0.02500

Series: RW1S0CK----FET

Wattage: 1 watt

Tolerance: 1%

Ohms: 0.05000

Series: RW1S0CK----DET

Wattage: 1 watt

Tolerance: 0.5%

Ohms: 0.00500

Series: RW1S0CK----DET

Wattage: 1 watt

Tolerance: 0.5%

Ohms: 0.01000

Series: RW1S0CK----DET

Wattage: 1 watt

Tolerance: 0.5%

Ohms: 0.02500

Series: RW1S0CK----DET

Wattage: 1 watt

Tolerance: 0.5%

Ohms: 0.05000

Series: RW2S0DK----FET

Wattage: 2 watt

Tolerance: 1%

Ohms: 0.00500

Series: RW2S0DK----FET

Wattage: 2 watt

Tolerance: 1%

Ohms: 0.01000

Series: RW2S0DK----FET

Wattage: 2 watt

Tolerance: 1%

Ohms: 0.02500

Series: RW2S0DK----FET

Wattage: 2 watt

Tolerance: 1%

Ohms: 0.05000

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