WIREWOUND
AXIAL
WL Series
Miniature Wirewound
Current Sense
F E AT U R E S
? Ultra-low ohmic value series for Current Sensing 
applications
? Very low inductance (<1nH at 1MHz Test) 
? Miniaturized dimensions, Better power to dimen-
sion 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 
S E R I E S S P E C I F I C AT I O N S
Type
WLA
WLB
WLC
WLD
Power Rating (watts)
0.5
1
2
3
Resistance Range ( Ω )
0.005-0.100
0.005-0.100
0.010-0.100
0.010-0.100
CHARACTERISTICS
Ceramic Core CeramTec Rubalit? 96% alumina
End Caps Stainless steel, precision formed
Leads Copper wire, 100% Sn (Lead Free) coated
Resistance Wire CN49W alloy TC ±20ppm/°C
Encapsulation SUMICON 1100/1200 Epoxy molding compound for IC encapsulation
Standard Tolerance F (1.0%), J (5.0%)
Derating
100
80
60
40
20
Temperature Coefficient ±300ppm/°C for ≤0.03Ω; ±100ppm/°C for ≥0.033Ω
Maximum Working Voltage √PxR
0
0
25 50 75 100 125 150 175
Ambient Temperature, ° C
P E R F O R M A N C E D ATA
Test Conditions Of Test
Thermal Shock Rated power applied until thermal stability, -55°C +0°C,-5°C,15min.
Short-time Overload 5 times rated wattage for 5 seconds
Solderability Method 208 of MIL-STD-202
Terminal Strength Pull test:10 pounds, 5 to10 seconds, Twist test: 1080°, 5 second/rotation
Dielectric Withstanding Voltage 500 Volts rms for 1W. 1 minute
High Temperature Exposure Exposed to an ambient temperature of 275 +5/-0°C for 250 ±8 hours,
Moisture Resistance MIL-STD-202 Method 106, 7b not applicable
Low Temperature Storage Cold chamber at a temperature of -65 ±2°C for 24 ±4 hours
Vibration, High Frequency Frequency varied 10 to 2000Hz, 200G peak, 2 directions 6 hours each
Load Life 1000/2000 hours at rated power, +25°C, 1.5 hours “On”, 0.5 hours “Off”
1-866-9-OHMITE ? INT’L 1-847-258-0300 ? FAX 1-847-574-7522 ? WWW.OHMITE.COM ? INFO@OHMITE.COM
Performance
±2.0%
±2.0%
±2.0%
±1.0%
±1.0%
±5.0%
±2.0%
±2.0%
±1.0%
±5.0%
(continued)
相关PDF资料
PDF描述
WRF2JB1K00 RES WW 2W 1K OHM 5% AXIAL
WSBS8518L2500JK RES .00025 OHM 5% 36W METALSTRIP
WSL40262L000FEB RES .002 OHM 3W 1% 4026 SMD
WSLP5931L5000FEB RES .0005 OHM 10W 1% 5931 SMD
WSLS2512R0100FHEB RES .010 OHM 1W 1% 2512 SMD
相关代理商/技术参数
参数描述
123-13-650-41-001000 功能描述:IC 与器件插座 50P DIP SKT 3 LEVEL WRAPOST RoHS:否 制造商:Molex 产品:LGA Sockets 节距:1.02 mm 排数: 位置/触点数量:2011 触点电镀:Gold 安装风格:SMD/SMT 端接类型:Solder 插座/封装类型:LGA 2011 工作温度范围:- 40 C to + 100 C
123-13-652-41-001000 功能描述:IC 与器件插座 52P DIP SKT 3 LEVEL WRAPOST RoHS:否 制造商:Molex 产品:LGA Sockets 节距:1.02 mm 排数: 位置/触点数量:2011 触点电镀:Gold 安装风格:SMD/SMT 端接类型:Solder 插座/封装类型:LGA 2011 工作温度范围:- 40 C to + 100 C
1-231-367 制造商:MISC. COMMERCIAL HRD 功能描述:
1-231-370 制造商:MISC. COMMERCIAL HRD 功能描述:
1231370000 制造商:Weidmuller 功能描述:BCF 3.81/07/180FZE SN BK BX