WK73R resistors Datasheet

WK73R Datasheet PDF, Equivalent


Part Number

WK73R

Description

wide terminal type flat chip resistors

Manufacture

KOA

Total Page 2 Pages
PDF Download
Download WK73R Datasheet PDF


WK73R
WK73R
wide terminal type flat chip resistors
EU
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
Type
Dimensions inches (mm)
dimensions and construction
L
cc
(Inch Size Code)
L
NEW
1E
(0204)
.020±.002
(0.5±0.05)
NEW
1J
(0306)
.031±.004
(0.8±0.1)
W
.039±.002
(1.0±0.05)
.063±.004
(1.6±0.1)
c
.004±.002
(0.1±0.05)
.006±.004
(0.15±0.1)
dt
.006±.002 .014±.002
(0.15±0.05) (0.35±0.05)
.008±.004 .018±.004
(0.2±0.1) (0.45±0.1)
W
NEW
2A
(0508)
.049±.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)
Solder
Plating
t
Inner
Ni
Plating
Resistive Electrode
d
Protective
Film
Coating Ceramic
Substrate
2B
(0612)
2H
(1020)
2J
(1218)
3A
(1225)
.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)
.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
60
40
WK73R2B (1W), WK73R3A (2W)
100 100
2J (100°C)
80 80
2B, 3A (115°C)
60
1E, 1J, 2A, 2B,
60
2H, 3A (125°C)
40 40
20
0
-60 -40 -20 0 20 40 60 80 100 120 140 160
-55 70 155
Ambient Temperature
(°C)
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
20 20
0
-60 -40 -20 0 20 40 60 80 100 120 140 160
-55 125 155
0
-60 -40 -20 0 20 40 60 80 100 120 140 160
-55 115 155
Terminal Part Temperature
(°C)
Terminal Part Temperature
(°C)
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.
WK73R
2J
T
TE
33L0
F
Type
WK73R
Size
New 1E: 0.33W
New 1J: 0.5W
New 2A: 0.75W,
1W
2B: 0.75W, 1W
2H: 1W
2J: 1W
3A: 1.5W, 2W
Termination
Material
T: Sn
Packaging
TP: 0204: 7" 2mm pitch
punched paper
TD: 0306, 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
Nominal
Resistance
±1%: 3 significant figures + 1
multiplier “R” indicates decimal
on value <100
±5%: 2 significant figures + 1
multiplier “R” indicates decimal
on values <10
All values less than 0.1
(100m) are expressed in m
with “L” as decimal.
Ex: 33m, 1% = 33L0
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.
10/25/18
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
33

WK73R
WK73R
wide terminal type flat chip resistors
applications and ratings
Part
Designation
NEW WK73R1E
NEW WK73R1J
NEW WK73R2A
WK73R2B
WK73R2H
WK73R2J
WK73R3A
Power
Rating
0.33W1
0.5W1
0.75W1
1.0W1
0.75W
1.0W1
1.0W
1.0W
1.5W
2.0W1
Rated
Ambient
Temp.
Rated
Terminal
Part Temp.
T.C.R.
(X 10-6/K)
––
––
––
––
70°C
––
70°C
70°C
70°C
––
125°C
125°C
125°C
125°C
125°C
115°C
125°C
100°C
125°C
115°C
±100
±100
±100
±100
±100
±100
±100
±200
±100
±200
±100
±200
±100
±200
Resistance Range ()
D±0.5%
E-24/E-96
––
––
––
––
10 - 1M
10 - 9.76k
F±1%
E-24/E-96
10 -1M
10 - 1M
20.5k - 1M
10 - 20k
10 - 1M
10 - 9.76k
10 - 430k
432k - 1M
J±5%
E-24
10 - 1M
10 - 1M
22k - 1M
10 - 20k
10 - 1M
10 - 9.1k
10 - 430k
470k - 1M
10 - 510k
10 - 510k
511k - 1M
560k - 1M
10 - 330k
10 - 330k
332k - 1M
360k - 1M
10 - 330k
10 - 330k
332k - 1M
360k - 1M
Maximum Maximum Operating
Working Overload Temp.
Voltage Voltage Range
75V
150V
100V
200V
200V
400V
200V
200V
200V
400V
400V
400V
-55°C
to
+155°C
200V
400V
Rated voltage = Power rating x resistance value or max. working voltage, whichever is lower
1 If you want to use at rated power use derating curves based on the terminal part temperature on the right side graph located on previous page.
If any questions arise whether to use the “Rated Ambient Temperature” or the “Rated Terminal Part Temperature”, please give priority to the
“Rated Terminal Part Temperature.” For more details refer to the “Introduction of the derating curves based on the terminal part temperature”
in the beginning of the catalog
environmental applications
Performance Characteristics
Requirement R ±(%+0.005)
Parameter
Limit
Typical
Resistance
Within specified
tolerance
T.C.R.
Within specified
T.C.R.
Overload (Short time)
±2%
±0.2%
Resistance to Solder Heat
Bending Test
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
High Temperature Exposure
±1%
±1%
±0.5%
±3%: 1E
±2%: All others
±3%: 1E
±2%: All others
±1%
±0.2%
±0.1%
±0.3%
±1%: 1E
±0.2%: All others
±1%: 1E
±0.2%: All others
±0.2%
25°C
Test Method
+25°C/-55°C and +25°C/+125°C
WK73R1E (0.33W), WK73R1J (0.5W), WK73R2A (0.75W, 1W)WK73R3A
(2W): Rated voltage x2.0 for 5 seconds. WK73R2B, R2H, R2J, R3A:
Rated voltage x2.5 for 3 seconds
260°C ± 5°C, 10 seconds ± 1 second
Holding point 90mm, Bending 1 time, Bending 5mm
-55°C (30 minutes), +125°C (30 minutes), 100 cycles
40°C ± 2°C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
+155°C, 1000 hours
Additional environmental applications can also be found at www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
10/25/18
34 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com


Features resistors WK73R wide terminal type flat chip resistors EU features • Wide-s ide termination (reverse-geometry) type flat chip resistor • High reliabilit y and performance with T.C.R. ±100 x 1 0-6/K, resistance tolerance ±1% • Pr oducts with lead-free terminations meet EU RoHS requirements. EU RoHS regulati on is not intended for Pb-glass contain ed in electrode, resistor element and g lass. • AEC-Q200 Qualified Type Dim ensions inches (mm) dimensions and con struction L cc (Inch Size Code) L NE W 1E (0204) .020±.002 (0.5±0.05) N EW 1J (0306) .031±.004 (0.8±0.1) W .039±.002 (1.0±0.05) .063±.004 (1.6 ±0.1) c .004±.002 (0.1±0.05) .006± .004 (0.15±0.1) dt .006±.002 .014±. 002 (0.15±0.05) (0.35±0.05) .008±.00 4 .018±.004 (0.2±0.1) (0.45±0.1) W NEW 2A (0508) .049±.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) Solder Plating t Inne r Ni Plating Resistive Electrode d Protective Film Coating Ceramic Substrate 2B (0612) 2H (1020).
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