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WK73S2JTTER180F

Description
Thick Film Resistors - SMD 1W, 0.18ohm, 1%
CategoryPassive components   
File Size203KB,2 Pages
ManufacturerKOA Speer
Websitehttp://www.koaspeer.com/
Environmental Compliance
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Thick Film Resistors - SMD 1W, 0.18ohm, 1%

WK73S2JTTER180F Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerKOA Speer
Product CategoryThick Film Resistors - SMD
RoHSDetails
Resistance180 mOhms
Power Rating1 W
Tolerance1 %
Temperature Coefficient200 PPM / C
Minimum Operating Temperature- 55 C
Maximum Operating Temperature+ 155 C
Voltage Rating200 V
Case Code - in1218 (Reversed)
Case Code - mm3246 (Reversed)
ApplicationAutomotive Grade
QualificationAEC-Q200
PackagingCut Tape
PackagingMouseReel
PackagingReel
Height0.6 mm
Length3.1 mm
Package / Case1218 (3246 metric) Reversed
ProductThick Film Resistors SMD
TechnologyThick Film
Termination StyleSMD/SMT
TypeHigh Power, Wide Terminal Resistor
Width4.6 mm
Mounting StylePCB Mount
Factory Pack Quantity4000
Unit Weight0.001041 oz
WK73S
wide terminal type flat chip resistors
EU
resistors
c
L
c
W
t
d
Inner
Resistive Electrode
Film
Solder
Plating
Ni
Plating
Protective
Coating Ceramic
Substrate
features
Wide-side termination (reverse-geometry)
type flat chip resistor
High reliability and performance with T.C.R.
±100 x 10
-6
/K, resistance tolerance ±1%
Products with lead-free terminations meet EU RoHS
requirements. EU RoHS regulation is not intended for
Pb-glass contained in electrode, resistor element and glass.
AEC-Q200 Qualified: 0612(2B/2B15), 1020(2H), 1218(2J), 1225(3A)
dimensions and construction
Type
(Inch Size Code)
L
Dimensions
inches
(mm)
W
c
d
t
2B
(0612)
2H
(1020)
2J
(1218)
3A
(1225)
.063±.006 .126±.006 .012±.008 .018±.006
(1.6±0.15) (3.2±0.2)
(0.3±0.2) (0.45±0.15)
.098±.006 .197±.006 .016±.008
(2.5±0.15) (5.0±0.15) (0.4±0.2)
.024±.004
.122±.006 .181±.006 .016±.008 .030±.006
(0.6±0.1)
(3.1±0.15) (4.6±0.15) (0.4±0.2) (0.75±0.15)
.122±.006 .252±.006 .018±.008
(3.1±0.15) (6.3±0.15) (0.45±0.2)
Derating Curve
100
80
% Rated Power
% Rated Power
100
80
60
40
20
0
-60 -40 -20
-55
2J (100°C)
WK73S2B (1W), WK73S3A (2W)
100
80
% Rated Power
2H2, 3A3 (95°C)
60
40
20
0
-60 -40 -20
-55
2B, 3A (115°C)
60
40
20
0
-60 -40 -20
-55
2B, 2H, 3A (125°C)
0
20
40
60
80 100 120 140
70
Ambient Temperature
(°C)
160
155
0
80 100 120 140 160
125
155
Terminal Part Temperature
(°C)
40
60
20
0
100 120 140 160
95
115
155
Terminal Part Temperature
(°C)
40
60
80
20
For resistors operated at an ambient temperature
of 70°C or above, a power rating shall be derated
in accordance with the above derating curve.
ordering information
WK73S
Type
WK73S
2J
Size
2B: 0.75W, 1W
2H: 1W
2J: 1W
3A: 1.5W, 2W
T
Termination
Material
T: Sn
For resistors operated terminal temperature of described for each size or above, a power rating
shall be derated in accordance with the derating curve above.
Please refer to “Introduction of the derating curve based on the terminal part temperature” in the
beginning of our catalog before use.
If you want to use at rated power (*1), use derating curves based on the terminal part temperature
on the right side graph.
TE
Packaging
TD: 0612: 7" 4mm pitch
punched paper
TE: 1020, 1218, 1225:
7" embossed plastic
TED: 1020, 1218, 1225:
10" embossed plastic
For further information on
packaging, please refer to
Appendix A
33L0
Nominal
Resistance
±1%: 3 significant figures + 1
multiplier “R” indicates decimal
on value <100Ω
±5%: 2 significant figures + 1
multiplier “R” indicates decimal
on values <10Ω
All values less than 0.1Ω (100mΩ)
are expressed in mΩ with “L” as
decimal.
Ex: 33mΩ, 1% = 33L0
F
Resistance
Tolerance
D: ±0.5%
F: ±1%
J: ±5%
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
11/08/17
82
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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