Wire Wound Chip Ferrite Inductors
MLW-RF Series
FEATURES
Small chip suitable for surface mounting
Large inductance with ferrite material
Operate temperature range .... -40℃~+85℃(Including self temp. rise)
RoHS compliant
APPLICATIONS
Mobile phones and other electronic devices
Bluetooth modules and TWS earphones
Explanation of Part Number
MLW 1608 RF 1R0 K T
1
2
3
4 5 6
♦ 1:Product Series:Wire Wound Chip Ceramic Inductors
♦ 2:Dimensions:
♦ 3: Material Code : RF Ferrite
♦ 4:Nominal Inductance:1R0==>1.0uH
♦ 5.Inductance Tolerance:K±10%,M±20%
♦ 6:Packing :Tape & Reel
Dimensions: [mm]
Series
MLW1608RF
A
1.80 Max
B
1.25 Max
C
1.20 Max
D Typ.
1.02
E Typ.
0.30
MLW2012RF
2.29 Max
1.73 Max
1.52 Max
1.28
0.48
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Wire Wound Chip Ferrite Inductors
MLW-RF Series
Electrical Characteristics List
MLW1608RF Series
Part Number
Inductance
Tolerance
L Test
Freq.
DC
Resistance
Typ. Rated
Current
Typ.
Self-resonant
Frequency
Units
μH
-
MHz
Ω
mA
MHz
Symbol
L
-
Freq.
DCR
Ir
S.R.F
MLW1608RF-1R0□T
MLW1608RF-1R5□T
MLW1608RF-1R8□T
MLW1608RF-2R2□T
MLW1608RF-2R7□T
MLW1608RF-3R3□T
MLW1608RF-3R9□T
MLW1608RF-4R7□T
1.0
1.5
1.8
2.2
2.7
3.3
3.9
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
0.32±30%
0.40±30%
0.43±30%
0.56±30%
0.62±30%
0.70±30%
0.83±30%
0.97±30%
860
720
640
600
540
500
460
420
390
160
121
103
72
66
61
51
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
7.9
7.9
7.9
2.5
2.5
2.5
2.5
1.10±30%
1.50±30%
1.68±30%
1.85±30%
2.28±30%
2.60±30%
2.90±30%
3.61±30%
380
340
300
280
260
240
220
200
47
43
40
36
32
29
28
24
5.20±30%
6.60±30%
9.65±30%
140
120
100
20
15
14
MLW1608RF-5R6□T
MLW1608RF-6R8□T
MLW1608RF-8R2□T
MLW1608RF-100 □T
MLW1608RF-120□T
MLW1608RF-150□T
MLW1608RF-180□T
MLW1608RF-220□T
4.7
5.6
6.8
8.2
10
12
15
18
22
MLW1608RF-270□T
MLW1608RF-330□T
MLW1608RF-470□T
27
33
47
K,M
K,M
K,M
Part Number
Inductance
Tolerance
L Test
Freq.
DC
Resistance
Typ. Rated
Current
Typ.
Self-resonant
Frequency
Units
μH
-
MHz
Ω
mA
MHz
Symbol
L
-
Freq.
DCR
Ir
S.R.F
MLW2012RF-R47□T
MLW2012RF-R68□T
MLW2012RF-1R0□T
MLW2012RF-1R2□T
MLW2012RF-1R5□T
MLW2012RF-1R8□T
MLW2012RF-2R2□T
MLW2012RF-2R7□T
MLW2012RF-3R3□T
MLW2012RF-3R9□T
MLW2012RF-4R7□T
MLW2012RF-5R6□T
MLW2012RF-6R8□T
MLW2012RF-8R2□T
0.47
0.68
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
0.12±30%
0.15±30%
0.13±30%
0.16±30%
0.17±30%
0.20±30%
0.22±30%
0.25±30%
0.28±30%
0.38±30%
0.43±30%
0.50±30%
0.68±30%
0.73±30%
1500
1300
1300
1270
1260
1080
1040
1040
1020
960
840
800
700
680
850
765
208
159
159
112
87
72
70
61
51
47
46
33
2.5
2.5
2.5
2.5
MLW2012RF Series
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Wire Wound Chip Ferrite Inductors
MLW-RF Series
Part Number
Inductance
Tolerance
L Test
Freq.
DC
Resistance
Typ. Rated
Current
Typ.
Self-resonant
Frequency
Units
μH
-
MHz
Ω
mA
MHz
Symbol
L
-
Freq.
DCR
Ir
S.R.F
MLW2012RF-100 □T
MLW2012RF-120 □T
MLW2012RF-150 □T
MLW2012RF-180 □T
MLW2012RF-220□T
MLW2012RF-270□T
MLW2012RF-330□T
MLW2012RF-470 □T
MLW2012RF-560 □T
MLW2012RF-680 □T
MLW2012RF-820 □T
MLW2012RF-101□T
10
12
15
18
22
27
33
47
56
68
82
100
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
1.0
0.85±30%
0.90±30%
1.40±30%
1.55±30%
1.76±29%
2.00±30%
2.35±30%
3.40±30%
4.42±30%
4.45±30%
7.50±30%
7.50±30%
560
460
380
360
340
300
300
280
240
240
180
180
31
30
28
27
20
17
17
15
10
10
10
9
※□: Please specify the inductance tolerance code (K=±10%, M=±20%).
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Wire Wound Chip Ferrite Inductors
MLW-RF Series
SOLDERING CONDITIONS
PRE-HEATING
NATURAL
COOLING
SOLDERING
20~40s
Note:
TEMPERATURE( C)
TP(260 C / 10s max.)
Figure 1.
Re-flow
Soldering (Lead
Free)
‧ Preheat circuit and
217
60~150s
200
150
products to 150℃
60~180s
‧
480s max.
280℃ tip temperature (max)
25
TIME( sec.)
PRE-HEATING
SOLDERING
NATURAL
COOLING
Note:
0
TEMPERATURE C
260
Figure 2.
Wave Soldering
‧ Never contact the
245
150
ceramic FSth the iron tip
‧
Over 2 min.
Gradual Cooling
FSthin 10 sec.
PRE-HEATING
SOLDERING
NATURAL
COOLING
3s(max.)
350
Note:
10s(max.)
Figure 3.
Hand Soldering
330
‧ Use a 20 watt soldering
150
iron FSth tip diameter of
1.0mm
‧
Limit soldering time to 3 sec.
Over 1 min.
Gradual Cooling
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Wire Wound Chip Ferrite Inductors
MLW-RF Series
RELIABILITY TEST
TEST ITEM
SPECIFICATION
TEST CONDITION
Rating current
According to product
specifications
Current sources:33010D
Inductance
According to product
specifications
Test Frequency:0.252~250MHz Test
Equipment:HP4291A、HP4286A、HP4287A、
HP4284A Test Fixture:16193Aor16334A
Q
According to product
specifications
Test Frequency:0.252~1500MHz Test
Equipment:HP4291A、HP4286A、HP4287A、
Test Fixture:16193Aor16334A
RDC
According to product
specifications
Test Equipment:HP4263B
SRF
According to product
specifications
Test Equipment:HP4291A
Test Fixture:16193A
Solderability
The metalized area must have
more then 90%of solder coverage
Soldering Temp:230±5℃
Dipping time:5±1S
Resistance to soldering
heat
No evidence of mechanical
damage The mealized arer must
have more then 75%of solder
coverage Inductance change,less
than±5% Q change less than±10%
Soldering Temp:260±5℃
Dipping time:10±1S
Thermal Shock
No evidence of mechanical damage,
Inductance change less than±5%, Q
change less than±10%
A cycle contain:Step1:-40℃,30Min
Step 2:85℃,30Min
Cycle Times:10
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Wire Wound Chip Ferrite Inductors
TEST ITEM
MLW-RF Series
SPECIFICATION
TEST CONDITION
High Temperature Storage
No evidence of mechanical
Test Temperature:125±2℃(Ceramic core)85±2
damage,
℃(Ferrite core)
Inductance change less than±5%,
Test Time:96±2Hours
Q change less than±10%
Low Temperature Storage
No evidence of mechanical
damage,
Inductance change less than±5%,
Q change less than±10%
Test Temperature:-40±2℃
Test Time:96±2Hours
Moisture Resistance
No evidence of mechanical
damage,
Inductance change less than±5%,
Q change less than±10%
Test Temperature:50±2℃
Test Time:100Hours
relative humidity:90~95%
Vibration
Component Adhesion
Amplitude:1.5mm X、Y、Z each direction for
No evidence of mechanical
1Hour and 45min
damage,
Frequency range:10~55~10Hz(min)
Inductance change less than±5%,
Q change less than±10%
No evidence of mechanical
damage
No evidence of peel off or broken
Keep coutinuity of FSnding
Force:2Kg
Test Time:5±1sec
Camber:20mm
Test Board:Glass-Epoxy board
Thickness:8mm
Resistance to bend
No evidence of mechanical
damage
Life
No evidence of mechanical
damage,
Inductance change less than±5%,
Q change less than±10%
Test Temperature:85±2℃
Test Time:1000Hours FSth rating current
Packaging
(PACKAGING QUANTITY)
规格
0402
0603
0805
1008
1210
数量(pcs)
10000
4000
2000
2000
2000
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