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PDFs and Datasheets WL Series Datasheet

WL SERIES Datasheet

Miniature Wirewound
Current Sense

WL SERIES product image

Features

  • Ultra-low ohmic value series for Current Sensing applications

  • Very low inductance (<1nH at 1MHz Test) 
  • Miniaturized dimensions, Better power to dimension ratios
  • Use of the highest quality standard (96% Alumina)
    ceramic core
  • Manufacturing process–Wire winding/Spot
    Welding–by Computer Numerical Control (CNC)
    machine tools to ensure consistency of product
    quality.
  • Encapsulated by epoxy molding compound
  • Advanced IC encapsulation mold/die technologies

Specifications

Power Rating (watts) : 0.5

Resistance Range (Ω) : 0.005-0.100

Power Rating (watts) : 1

Resistance Range (Ω) : 0.005-0.100

Power Rating (watts) : 2

Resistance Range (Ω) : 0.005-0.100

Characteristics

CeramTec Rubalit® 96% alumina

Stainless steel, precision formed

Copper wire, 100% Sn (Lead Free) coated

CN49W alloy TC ±20ppm/°C

SUMICON 1100/1200 Epoxy molding compound for IC encapsulation

F (1.0%), J (5.0%)

±300ppm/°C for ≤0.03Ω; ±100ppm/°C for ≥0.033Ω

√PxR

 

Derating

WL Series derating chart

Performance Data

Conditions Of Test

Performance

Conditions Of Test : Rated power applied until thermal stability, -55°C +0°C,-5°C,15min.

Performance : ±2.0%

Conditions Of Test : 5 times rated wattage for 5 seconds

Performance : ±2.0%

Conditions Of Test : Method 208 of MIL-STD-202

Performance : ±2.0%

Conditions Of Test : Pull test:10 pounds, 5 to10 seconds, Twist test: 1080°, 5 second/rotation

Performance : ±1.0%

Conditions Of Test : 500 Volts rms for 1W. 1 minute

Performance : ±1.0%

Conditions Of Test : Exposed to an ambient temperature of 275 +5/-0°C for 250 ±8 hours,

Performance : ±5.0%

Conditions Of Test : MIL-STD-202 Method 106, 7b not applicable

Performance : ±2.0%

Conditions Of Test : Cold chamber at a temperature of -65 ±2°C for 24 ±4 hours

Performance : ±2.0%

Conditions Of Test : Frequency varied 10 to 2000Hz, 200G peak, 2 directions 6 hours each

Performance : ±1.0%

Conditions Of Test : 1000/2000 hours at rated power, +25°C, 1.5 hours “On”, 0.5 hours “Off”

Performance : ±5.0%

Dimensions

Power Rating: 0.5

L: 5.08 / 0.200

D: 2.54 / 0.100

d: 0.60 / 0.024

Power Rating: 1

L: 7.00 / 0.276

D: 3.30 / 0.130

d: 0.60 / 0.024

Power Rating: 2

L: 11.4 / 0.450

D: 4.57 / 0.180

d: 0.80 / 0.031

WL Series dimensions

Ordering Information

WL Series Ordering info

 

Standard Part Numbers for WL Series

Wattage: 0.5

Series: WLA

WLAR005FET

Wattage: 1.0

Series: WLB

WLBR005FET

Wattage: 2.0

Series: WLC

-

Wattage: 0.5

Series: WLA

WLAR010FET

Wattage: 1.0

Series: WLB

WLBR010FET

Wattage: 2.0

Series: WLC

WLCR010FET

Wattage: 0.5

Series: WLA

WLAR015FET

Wattage: 1.0

Series: WLB

WLBR015FET

Wattage: 2.0

Series: WLC

WLCR010FET

Wattage: 0.5

Series: WLA

WLAR020FET

Wattage: 1.0

Series: WLB

WLBR020FET

Wattage: 2.0

Series: WLC

WLCR020FET

Wattage: 0.5

Series: WLA

WLAR025FET

Wattage: 1.0

Series: WLB

WLBR025FET

Wattage: 2.0

Series: WLC

WLCR025FET

Wattage: 0.5

Series: WLA

WLAR030FET

Wattage: 1.0

Series: WLB

WLBR030FET

Wattage: 2.0

Series: WLC

WLCR030FET

Wattage: 0.5

Series: WLA

WLAR050FET

Wattage: 1.0

Series: WLB

WLBR050FET

Wattage: 2.0

Series: WLC

WLCR050FET

Wattage: 0.5

Series: WLA

WLAR100FET

Wattage: 1.0

Series: WLB

WLBR100FET

Wattage: 2.0

Series: WLC

WLCR100FETWL

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