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WK73S3A3TTE33LJ

Description
Thick Film Resistor - SMD 0.033 ohm 5% 3W AEC-Q200
CategoryPassive components    The resistor    Film resistor    Thick film resistor, SMD   
File Size156KB,3 Pages
ManufacturerKOA Speer
Websitehttp://www.koaspeer.com/
Environmental Compliance
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Thick Film Resistor - SMD 0.033 ohm 5% 3W AEC-Q200

WK73S3A3TTE33LJ Parametric

Parameter NameAttribute value
MakerKOA Speer
Product CategoryThick Film Resistors - SMD
seriesWK73S
resistance33 mOhms
Power rating3 W
Tolerance5 %
Temperature Coefficient200 PPM / C
Minimum operating temperature- 55 C
Maximum operating temperature+ 155 C
Voltage rating200 V
shell code - in1225 (Reversed)
Shell code - mm3263 (Reversed)
applicationAutomotive Grade
FeaturesWide-Side Termination
EncapsulationReel
high0.6 mm
length3.1 mm
productThick Film Resistors High Reliability
technologyThick Film
Termination typeSMD/SMT
width6.3 mm
Installation stylePCB Mount
Factory packaging quantity4000
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: 0508 (1W), 0612(2B/2B15), 1020(2H),
1218(2J), 1225(3A)
dimensions and construction
Type
(Inch Size Code)
L
Dimensions
inches
(mm)
W
c
d
t
2A
(0508)
2B
(0612)
2H
(1020)
2J
(1218)
3A
(1225)
.063±.006 .079±.006 .012±.008 .014±.008 .022±.004
(1.25±0.15) (2.0±0.15) (0.3±0.2) (0.35±0.2) (0.55±0.1)
.063±.006 .126±.008 .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)
.122±.006 .181±.006 .016±.008 .030±.006
(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)
.024±.004
(0.6±0.1)
Derating Curve
100
80
% Rated Power
% Rated Power
100
80
60
40
20
0
-60 -40 -20
-55
2J (100°C)
NEW
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
2A, 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)
20
40
60
0
100 120 140 160
95
115
155
Terminal Part Temperature
(°C)
20
40
60
80
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
New
2A: 1W
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: 0508, 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.
8/03/18
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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