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WK732JTTE33L0F Datasheet, PDF (1/2 Pages) KOA Speer Electronics, Inc. – high power, wide terminal type flat chip resistors
WK73
high power, wide terminal type flat chip resistors
EU
features
• Flat chip resistors of wide terminal type
• High reliability and performance with T.C.R.
±100 x 10-6/K, resistance tolerance ±1%
• Marking: Black protective coat
• 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), 1020(2H), 1218(2J),
1225(3A)
dimensions and construction
L
c
c
Type
Dimensions inches (mm)
(Inch Size Code)
L
W
c
d
t
2B
.063±.006 .126±.006 .012±.008 .018±.006
W
(0612) (1.6±0.15) (3.2±0.2) (0.3±0.2) (0.45±0.15)
Solder
Plating
t
Inner
Ni
Plating
Resistive Electrode
d
Protective
Film
Coating Ceramic
Substrate
Derating Curve
100
80
60
40
20
0
-60 -40 -20
-55
0 20 40 60 80 100 120 140 160
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
New Part #
WK73S
2J
T
2H
(1020)
2J
(1218)
.098±.006
(2.5±0.15)
.122±.006
(3.1±0.15)
.197±.006
(5.0±0.15)
.181±.006
(4.6±0.15)
.016±.008
(0.4±0.2)
.016±.008
(0.4±0.2)
.030±.006
(0.75±0.15)
.024±.004
(0.6±0.1)
3A
(1225)
.122±.006 .252±.006 .018±.008
(3.1±0.15) (6.3±0.15) (0.45±0.2)
100
3A (90°C)
2H, 2J (100°C)
80
2B (105°C)
60
40
20
0
-60 -40 -20
-55
0 20 40 60 80 100 120 140 160
90 105
155
TerminalTemperature
(°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.
TE
33L0
F
Type
WK73S
WK73R
Size
2B: 0.75W
2H: 1W
2J: 1W
3A: 1.5W
Termination
Material
T: Sn
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
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
Resistance
Tolerance
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.
12/17/12
18 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com