KOA SPEER ELECTRONICS, INC.
SS-225
Chip Air-Core Inductors
Type KQ 0402
1. Scope of Application
This specification applies to chip inductors
KQ series produced by KOA corporation.
CERTIFIED
2. Type Designation
Type designation shall be as the following form.
KQ
Type
Winding
Form
0402
Component Size
1.10 x .055 x .055 in.
27.9 x 14.0 x 14.0 mm
TD
Packaging
TD: Paper Carrier
No Designation: Bulk
1N0
Nominal Inductance
1N0----1.0 nH
40N----40 nH
J
Tolerance
J:±5%
K:±10%
3. Rating
Item
Nominal inductance range
Nominal inductance tolerance
Q (Quality factor)
Self-resonant frequency (MHz)
DC resistance (ohm)
Allowable current (mA)
Measurement frequency (MHz)
Storage temperature range
Operating temperature range
Specification
1.0 nH ~ 47 nH
The rating shall be shown in the Table-1
-40°C ~ +100°C
-40°C ~ +125°C
PAGE 1 OF 8
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KOA SPEER ELECTRONICS, INC.
SS-225
Table-1
Ordering
Code*
KQ0402TD1N0
KQ0402TD2N0
KQ0402TD2N2
KQ0402TD3N3
KQ0402TD3N6
KQ0402TD3N9
KQ0402TD5N1
KQ0402TD5N6
KQ0402TD6N2
KQ0402TD7N5
KQ0402TD8N2
KQ0402TD9N0
KQ0402TD10N
KQ0402TD11N
KQ0402TD12N
KQ0402TD15N
KQ0402TD19N
KQ0402TD23N
KQ0402TD27N
KQ0402TD36N
KQ0402TD40N
KQ0402TD47N
Self-
Allowable Measuring
DC
Inductance Quality
Resonant Resistance DC Current Frequency
Inductance Tolerance Factor
(MHz)
min. Frequency max. (Ω) max. (mA)
(%)
min. (MHz)
1.0 nH
16
6000
0.045
1360
2.0 nH
2.2 nH
3.3 nH
3.6 nH
3.9 nH
5.1 nH
5.6 nH
6.2 nH
7.5 nH
8.2 nH
9.0 nH
10 nH
11 nH
12 nH
15 nH
19 nH
23 nH
27 nH
36 nH
40 nH
47 nH
J (±5%)
K (±10%)
16
19
19
19
19
20
20
20
22
22
22
21
24
24
24
24
24
24
24
24
20
6000
6000
6000
6000
5800
5800
5800
5800
5800
4400
4160
3900
3680
3600
3280
3040
2720
2480
2320
2240
2100
0.070
0.070
0.066
0.066
0.066
0.083
0.083
0.083
0.104
0.104
0.104
0.195
0.120
0.120
0.172
0.202
0.214
0.298
0.560
0.620
0.830
1040
960
840
840
840
800
760
760
680
680
680
480
640
640
560
480
400
400
320
320
150
250
: Tolerance character (J,K)
PAGE 2 OF 8
Bolivar Drive
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P.O. Box 547
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Bradford, PA 16701
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814-362-5536
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Fax 814-362-8883
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KOA SPEER ELECTRONICS, INC.
SS-225
4. Dimensions
0.04
(1.10
±
0.10)
0.022
(0.55
±
0.10)
5. Construction
Acrylic acid resin
0.022
(0.55
±
0.10)
Ceramic core
0.10
(0.25
±
0.10)
0.021
(0.54)
0.10
(0.25
±
0.10)
0.020
(0.50
±
0.03)
0.006
(0.15
±
0.10)
Electrode
(Ag/Pd+Ni+Sn/Pb)
Magnet wire
Dimensions in inches (mm)
6. Measurement Method
Nominal Inductance
Range
1.0 nH to 47 nH
Test Equipment
4291A RF Impedance
analyzer (HP)
Fixture
16193A
Test fixture
Setup
E.L = 1.4 cm
OSC = 500 mV
Measuring
Frequency
Listed
Table-1
7. Test Conditions
Unless otherwise specified, the test shall be
performed at the temperature of 20 ± 15°C
and at a relative humidity of 65 ± 20%.
Reverse test conditions shall be performed at
the temperature of 20 ± 2°C and at a relative
humidity of 65 ± 5%.
PAGE 3 OF 8
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KOA SPEER ELECTRONICS, INC.
SS-225
8. Reliability Tests
8-1 Electrical Characteristics
Item
Dielectric withstanding
voltage
Insulation resistance
Requirement
No evidence of flaming,
fuming, or breakdown
1000MΩ and over
Test Methods
5 seconds at AC 500 V applied
between both terminals and the
face center on the product.
1 minute at DC 100 V measured
between both terminals and the
face center on the product.
IEC 695-2-2
Add 1000 V on condition that
100pF, 1.5kΩ
Flammability
Electrostatics
discharge sensitivity
Withstands needle-flame test.
No evidence of damage
∆L/L
within ± 5%
∆Q/Q
within ± 10%
8-2 Mechanical Characteristics
Item
Terminal pull strength
Terminal bending
strength
Requirement
No evidence of damage
Destruction strength 5N & over
No evidence of breakdown
Test Methods
Terminals shall withstand a pull of
5N in a horizontal direction.
Specimen shall be soldered on
bend test board and force applied
to the opposite side to cause a
3 +0.2/-0 mm deflection.
2 hours in each direction of X, Y, Z,
on PCB at a frequency range of
10-55-10Hz with 1.5 mm amplitude.
Dropping 1 m on the ground of
concrete 1 time.
Immerse in the solder at 260 ± 5°C
for 10±1 seconds.
Immerse in the solder at 230 ± 5°C
for 3 ± 0.5 seconds.
Vibration
∆L/L
within ± 5%
∆Q/Q
within ± 10%
No evidence of damage
∆L/L
within ± 5%
∆Q/Q
within ± 10%
No evidence of damage
∆L/L
within ± 5%
∆Q/Q
within ± 10%
95% of the terminal should
be covered with new solder
(But the area of the welding
contacts should not be
included in judgment.)
Dropping
Resistance to
soldering heat
Solderability
PAGE 4 OF 8
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KOA SPEER ELECTRONICS, INC.
SS-225
8-2 Mechanical Characteristics
Item
Resistance to
solvent
Requirement
No evidence of damage
Test Methods
Accordance with MIL-STD-202F
Method 215
8-3 Environmental Characteristics
Item
Low temperature
storage
High temperature
storage
Moisture endurance
Requirement
No evidence of damage
∆L/L
within ± 5%
∆Q/Q
within ± 10%
No evidence of damage
∆L/L
within ± 5%
∆Q/Q
within ± 10%
No evidence of damage
∆L/L
within ± 5%
∆Q/Q
within ± 10%
No evidence of damage
∆L/L
within ± 5%
∆Q/Q
within ± 10%
No evidence of damage
∆L/L
within ± 5%
∆Q/Q
within ± 10%
No evidence of damage
∆L/L
within ± 5%
∆Q/Q
within ± 10%
∆L/L
within ± 5%
Test Methods
Store at -40 ± 2°C, for 1000 hours
Store at +125 ± 2°C, for 1000 hours
Store at +60 ± 2°C, 90 ~ 95% RH
for 1000 hours
Biased to full rated current at
+125 ± 2°C for 1000 hours
Biased to 10% rated current at
+85 ± 2°C, 85% RH for 1000 hours
100 cycles between
-40°C/1 hour and +125°C/1 hour
∆L/L
to be measured at the
temperature of between -40°C and
+125°C as based on the inductance
at 20°C
Load life
High temperature
High humidity
Thermal shock
Temperature
characteristics
Unless otherwise specified, measurements shall
be performed within 2 hours after leaving test
samples for more than one hour at the normal
temperature and at the normal humidity.
PAGE 5 OF 8
Bolivar Drive
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P.O. Box 547
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Bradford, PA 16701
s
USA
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814-362-5536
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Fax 814-362-8883
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www.koaspeer.com
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