WSK 반도체 회로 부품 판매점
Resistors
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 Vishay Siliconix |
www.vishay.com
WSK
Vishay Dale
Power Metal Strip® Resistors,
Low Value (down to 0.0005 ), Surface Mount, 4-Terminal
FEATURES
• 4-Terminal design allows for 1 % tolerance
down to 0.0005 and 0.5 % tolerance down to
Available
0.001
• Ideal for all types of precision current sensing,
voltage division and pulse applications
including switching and linear power supplies, Available
instruments, power amplifiers
• Proprietary processing technique produces
extremely low resistance values (down to
0.0005 )
• All welded construction
Available
• Solderable terminations
• Solid metal nickel-chrome or manganese-copper
alloy resistive element with low TCR (< 20 ppm/°C) Available
• Very low inductance 0.5 nH to 5 nH
• Excellent frequency response to 50 MHz
• AEC-Q200 qualified available (1)
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
Note
(1) Flame retardance test may not be applicable to some resistor
technologies.
Note
* This datasheet provides information about parts that are RoHS-compliant and/or parts that are non-RoHS-compliant. For example, parts
with lead (Pb) terminations are not RoHS-compliant. Please see the information/tables in this datasheet for details.
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
SIZE
POWER RATING
P70 °C
W
RESISTANCE VALUE RANGE
Tol. ± 0.1 %
Tol. ± 0.5 %
Tol. ± 1.0 %
WEIGHT
(typical)
g/1000 pieces
WSK2512
2512
1.0
0.01 to 0.2
0.001 to 0.2
0.0005 to 0.2
63.6
Note
• Part marking: Value, tolerance; due to resistor size limitations some resistance values will be marked with only the resistance value.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature coefficient
ppm/°C
Operating temperature range
Maximum working voltage
°C
V
RESISTOR CHARACTERISTICS
± 350 for 0.5 m to 0.99 m,
± 250 for 0.001 to 0.0029 ,
± 75 for 0.003 to 0.0049 ,
± 35 for 0.005 to 0.2
- 65 to + 170
(P x R)1/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSK25125L000FTA (preferred part numbering format)
WS K 2 5 1 2 5 L 0 0 0 F T A
GLOBAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING CODE
WSK2512
L = m*
R = Decimal
5L000 = 0.005
R0100 = 0.01
B = ± 0.1 %
D = ± 0.5 %
F = ± 1.0 %
EA = Lead (Pb)-free, tape/reel
EK = Lead (Pb)-free, bulk
TA = Tin/lead, tape/reel (R86)
BA = Tin/lead, bulk (B43)
* Use “L” for resistance
values < 0.01
Historical Part Numbering example: WSK2512 0.005 1 % R86 (will continue to be accepted)
WSK2512
0.005
1%
SPECIAL
(Dash number)
(up to 2 digits)
From 1 to 99 as
applicable
R86
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING CODE
Revision: 03-May-13
1 Document Number: 30108
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
www.vishay.com
DIMENSIONS in inches (millimeters)
L
BA
T
W
H
WSK
Vishay Dale
MODEL
WSK2512
MODEL
WSK2512
b dc
ea
l
RESISTANCE
RANGE
L
0.0005 to 0.00099
0.001 to 0.0049
0.250 ± 0.010
(6.35 ± 0.254)
0.005 to 0.2
DIMENSIONS
WH T A B
0.125 ± 0.010
(3.18 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
0.105 ± 0.010
[2.66 ± 0.254]
0.087 ± 0.010
(2.21 ± 0.254)
0.047 ± 0.010
(1.19 ± 0.254)
0.030 ± 0.010 0.020 ± 0.010
(0.762 ± 0.254) (0.508 ± 0.254)
RESISTANCE
RANGE
0.0005 to 0.0049
0.005 to 0.2
a
0.130 (3.30)
0.090 (2.29)
SOLDER PAD DIMENSIONS
bcd
0.130 (3.30) 0.030 (0.76) 0.020 (0.51)
e
0.055 (1.40)
l
0.065 (1.65)
0.145 (3.68)
120
100
80
60
40
20
0
- 65 - 55 - 25 0
Derating
25 50 75 100 125 150 170
70 Ambient Temperature °C
PERFORMANCE
TEST
Thermal shock
Short time overload
Low temperature operation
High temperature exposure
Bias humidity
Mechanical shock
Vibration
Load life
Resistance to solder heat
Moisture resistance
CONDITIONS OF TEST
- 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme
5 x rated power for 5 s
- 65 °C for 24 h
1000 h at + 170 °C
+ 85 °C, 85 % RH, 10 % bias, 1000 h
100 g’s for 6 ms, 5 pulses
Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h
1000 h at rated power, + 70 °C, 1.5 h “ON”, 0.5 h “OFF”
+ 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence
MIL-STD-202, method 106, 0 % power, 7a and 7b not required
TEST LIMITS
± (0.5 % + 0.0005 ) R
± (0.5 % + 0.0005 ) R
± (0.5 % + 0.0005 ) R
± (1.0 % + 0.0005 ) R
± (0.5 % + 0.0005 ) R
± (0.5 % + 0.0005 ) R
± (0.5 % + 0.0005 ) R
± (1.0 % + 0.0005 ) R
± (0.5 % + 0.0005 ) R
± (0.5 % + 0.0005 ) R
PACKAGING
MODEL
TAPE WIDTH
WSK2512
12 mm/embossed plastic
Note
• Embossed Carrier Tape per EIA-481.
REEL
DIAMETER
178 mm/7"
PIECES/REEL
2000
CODE
EA
Revision: 03-May-13
2 Document Number: 30108
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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