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WSK25120.00402OHM1%R86 [VISHAY]

RESISTOR, CURRENT SENSE, METAL STRIP, 1 W, 1 %, 75 ppm, 0.00402 ohm, SURFACE MOUNT, 2512, CHIP;
WSK25120.00402OHM1%R86
型号： WSK25120.00402OHM1%R86
厂家： VISHAY    VISHAY
描述：

RESISTOR, CURRENT SENSE, METAL STRIP, 1 W, 1 %, 75 ppm, 0.00402 ohm, SURFACE MOUNT, 2512, CHIP

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WSK  
Vishay Dale  
Power Metal Strip® Resistors, Low Value,  
Surface Mount, 4 - Terminal  
FEATURES  
• 4-Terminal design allows for 1% tolerance down to  
0.001Ω and 0.5% tolerance down to 0.003Ω  
• Ideal for all types of precision current sensing, voltage  
division and pulse applications including switching and  
linear power supplies, instruments, power amplifiers  
• Proprietary processing technique produces extremely  
low resistance values  
• All welded construction  
• Solid metal Nickel-Chrome or Manganese-Copper alloy  
resistive element  
• Solderable terminations  
• Very low inductance 0.5ηH to 5ηH  
• Excellent frequency response  
STANDARD ELECTRICAL SPECIFICATIONS  
MODEL  
POWER RATING  
RESISTANCE RANGE  
P70°C  
Ω
W
± 0.5%  
± 1.0%  
WSK2512  
1.0  
0.003 – 0.025  
0.001 – 0.025  
• Part Marking: DALE, Value, Tolerance; due to resistor size limitations some resistance values will be marked with only the resistance  
value.  
TECHNICAL SPECIFICATIONS  
PARAMETER  
UNIT  
WSK2512  
Temperature Coefficient  
ppm/°C  
0.001Ω - 0.0029Ω = ± 250  
0.003Ω - 0.0049Ω = ± 75  
0.005Ω - 0.025Ω = ± 35  
Operating temperature range  
Maximum Working Voltage  
Weight/1000 pieces  
°C  
V
- 65 / + 170  
(P x R)1/2  
63.6  
g
ORDERING INFORMATION  
WSK2512  
0.001Ω  
1%  
R86  
MODEL  
RESISTANCE  
TOLERANCE  
PACKAGING  
B43 = Bulk Pack  
Ω
± %  
R86 = Tape and Reel  
www.vishay.com  
100  
Document Number: 30108  
Revision 06-Sep-02  
For technical questions, contact ww2bresistors@vishay.com  
WSK  
Vishay Dale  
Power Metal Strip® Resistors, Low Value, Surface Mount,  
4 - Terminal  
DIMENSIONS  
L
W
H
B
d
T
A
I
b
c
a
e
DIMENSIONS in inches [millimeters]  
MODEL  
RESISTANCE  
L
W
H
T
A
B
RANGE Ω  
0.001 – 0.0049  
0.250 ±0.010  
0.125 ± 0.010  
0.025 ± 0.010  
0.087 ± 0.010  
0.030 ± 0.010  
0.020 ± 0.010  
WSK2512  
[6.35 ± 0.254]  
[3.18 ± 0.254] [0.635 ± 0.254] [2.21 ± 0.254] [0.762 ± 0.254] [0.508 ± 0.254]  
0.005 - 0.025  
0.250 ± 0.010  
[6.35 ± 0.254]  
0.125 ± 0.010 0.025 ± 0.010 0.047 ± 0.010 0.030 ± 0.010 0.020 ± 0.010  
[3.18 ± 0.254] [0.635 ± 0.254] [1.19 ± 0.254] [0.762 ± 0.254] [0.508 ± 0.254]  
SOLDER PAD DIMENSIONS in inches [millimeters]  
MODEL  
a
b
c
d
e
I
WSK2512  
0.125 [3.18]  
0.130 [3.30]  
0.030 [0.76]  
0.020 [0.51]  
0.055 [1.40]  
0.065 [1.65]  
120  
100  
80  
60  
40  
20  
0
-65 -55 -25  
0
25  
50  
75 100 125 150  
70  
AMBIENT TEMPERATURE °C  
170  
DERATING  
PERFORMANCE  
TEST  
CONDITIONS OF TEST  
TEST LIMITS  
Thermal Shock  
- 55°C to + 150°C, 1000 cycles, 15 minutes at each extreme  
5 x power for 5 seconds  
- 65°C for 24 hours  
1000 hours at + 170°C  
+ 85°C, 85% RH, 10% Bias, 1000 hours  
± (0.5% + 0.0005Ω)∆R  
± (0.5% + 0.0005Ω)∆R  
± (0.5% + 0.0005Ω)∆R  
± (1.0% + 0.0005Ω)∆R  
± (0.5% + 0.0005Ω)∆R  
± (0.5% + 0.0005Ω)∆R  
± (0.5% + 0.0005Ω)∆R  
± (1.0% + 0.0005Ω)∆R  
± (0.5% + 0.0005Ω)∆R  
± (0.5% + 0.0005Ω)∆R  
Short Time Overload  
Low Temperature Storage  
High Temperature Exposure  
Bias Humidity  
Mechanical Shock  
Vibration  
Load Life  
Resistance to Solder Heat  
Moisture Resistance  
100g’s for 6 milliseconds, 5 pulses  
Frequency varied 10 to 2,000Hz in one minute, 3 directions, 12 hours  
1,000 hours @ rated power, + 70°C, 1.5 hours “ON”, 0.5 hours “OFF”  
+ 260°C Solder, 10 – 12 second dwell, 25mm/second emergence  
MIL-STD-202 Method 106, 0% power, 7a and 7b not required  
PACKAGING  
MODEL  
REEL  
TAPE WIDTH  
DIAMETER  
PIECES/REEL  
CODE  
WSK2512  
12mm/Embossed Plastic  
178mm/7”  
2000  
R86  
Embossed carrier tape per EIA-481-1A  
Document Number: 30108  
Revision 06-Sep-02  
www.vishay.com  
101  
For technical questions, contact ww2bresistors@vishay.com  

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