YAGEO CORPORATION
SMD INDUCTOR / BEADS
SMD Power Inductors
SDT0804 Series
AppLICATIonS
Board mounted DC-DC converters
Miniature power supplies, and voltage multiplying circuits.
fEATURES
• Ultra high L and low current
• Functions equally well in filter and smoothing
circuit applications.
• Available in 2 sizes.
These inductors are designed for a wide variety of applications including board mounted DC-DC
converters, miniature power supplies, and voltage multiplying circuits. They function equally well in
filter and smoothing circuit applications.
The Yageo SDT Series represents the ultimate in cost effective miniature power inductors. They
are constructed of materials specially developed for surface mount applications to ensure the best
possible reliability and ease of use and handling.
pRodUCT IdEnTIfICATIon
SDT
-
-
International No.
Tolerance
Inductance
Packaging Style
Dimensions
Product Symbol
SpECIfICATIonS
pART no.
IndUCTAnCE
@100kHz, 0 AdC
(µH ±20%)
dC
opERATInG pARAmETERS
SRf
IndUCTAnCE
RATInG *
(ΩH)
CURREnT
RAGInG **
(A)
EnERGY
SToRAGE
(µ JouLEs) Max.
SWITCHInG
fREQUEnCY
Max.
RESISTAnCE TYp
(Ω) Max.
(MHz)
SDT0804T-1R0M-S 1.0
SDT0804T-1R5M-S 1.5
SDT0804T-2R2M-S 2.2
SDT0804T-3R3M-S 3.3
SDT0804T-4R7M-S 4.7
SDT0804T-6R8M-S 6.8
SDT0804T-100M-S 10
SDT0804T-150M-S 15
SDT0804T-220M-S 22
SDT0804T-330M-S 33
SDT0804T-470M-S 47
SDT0804T-680M-S 68
SDT0804T-101M-S 100
SDT0804T-151M-S 150
0.025 60
0.030 55
0.035 55
0.040 50
0.045 45
0.050 40
0.055 35
0.060 25
0.084 22
0.090 18
0.11
0.15
0.29
0.36
0.39
0.73
0.88
1.15
1.45
16
12
9
8
6
5
4
3
2.5
0.50
0.70
1.00
1.50
2.00
4.00
5.00
6.00
10
12
27
40
50
80
90
150
200
300
420
5.0
5.0
5.0
5.0
3.0
2.5
2.0
1.8
1.5
1.3
1.0
0.90
0.80
0.60
0.50
0.40
0.35
0.30
0.25
9
12
15
16
10
14
11
12
11
13
13
17
15
15
10
13
13
13
13
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
500 KHz
500 KHz
500 KHz
500 KHz
500 KHz
500 KHz
• Packaging: T: Tape and Reel
• Tolerance: M: ±20%
• Note: YAGEO will start to release SDT Series
inductors with lead-free terminals which
meet SONY SS-00259's criteria for lead-
free product in Q2 of 2004, and TAGEO
Internal No will be changed to “N” as
identification. Ex. SDT0402T-1R0M-N
SHAPES AND DIMENSIONS
12.95
+0
1st.
9.4
+0
2nd.
3rd.
SDT0804T-221M-S 220
SDT0804T-331M-S 330
SDT0804T-471M-S 470
SDT0804T-681M-S 680
SDT0804T-102M-S 1000
2.54
7.62
2.54
* Measured at the rated current. Refer to curves below for more detail.
** Average maximum allowable current. SDT Series inductors are designed for current spikes as
high as 2X the current rating.
Operating Temperature Range -40°C to +85°C
5.08
+0
Dimensions : mm
247
ELECTRICAL CHARACTERISTICS : LEAD-FREE & ROHS COMPLIANCE
pART no.
IndUCTAnCE
(µH)
RdC
(Ω) Max.
SRf
(mHz)TYp
CURREnT
RAGInG
(A)
IndUCTAnCE
CE
(uH)
mAx
EnERGE
(µ JouLEs)
mAx
SWITCHInG
Frequency
SDT0804T-1R0
SDT0804T-1R5
SDT0804T-2R2
SDT0804T-3R3
SDT0804T-4R7
SDT0804T-6R8
SDT0804T-100
SDT0804T-150
SDT0804T-220
SDT0804T-330
SDT0804T-470
SDT0804T-680
SDT0804T-101
SDT0804T-151
SDT0804T-221
SDT0804T-331
SDT0804T-471
SDT0804T-681
SDT0804T-102
NOTE :
-S
-S
-S
-S
-S
-S
-S
-S
-S
-S
-S
-S
-S
-S
-S
-S
-S
-S
-S
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
330
470
680
1000
0.025
0.030
0.035
0.040
0.045
0.050
0.055
0.060
0.084
0.090
0.11
0.15
0.29
0.36
0.39
0.73
0.88
1.15
1.45
60
55
55
50
45
40
35
25
22
18
16
12
9
8
6
5
4
3
2.5
5.0
5.0
5.0
5.0
3.0
2.5
2.0
1.8
1.5
1.3
1.0
0.90
0.80
0.60
0.50
0.40
0.35
0.30
0.25
0.5
0.7
1
1.5
2
4
5
6
10
12
27
40
50
80
90
150
200
300
420
9
12
15
16
10
14
11
12
11
13
13
17
15
15
10
13
13
13
13
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
1 MHz
500 KHz
500 KHz
500 KHz
500 KHz
500 KHz
500 KHz
-tolerance K=±10% / =±15% / M=±20% / N=+40% -20%
1.Operating temperature range -40°C~85°C
2.Inductance Rating: Measured at the ratted current.SDT Series inductors are design for current
3. Current Raging:Average maximum allowable current.SDT Series inductors are design for current
spikes as high as 2X the current rating; TEST FREQUENCY :100 KHz/0.1V
"-N"FOR COMPLETELY LEAD FREE TYPE(INCLUDING FERRITE BODY & SOLDER)
248
TYpICAL IndUCTAnCE EnERGY SToRAGE VS. CURREnT
SDT0804T-1R0M-S
120
100
80
L (H)
SDT0804T-102M-S
16
14
12
10
L (uH)
W (J)
14
12
10
8
14
12
10
W (uJ)
W (uJ)
8
6
6
4
0
4
2
0
0.05
0.1
0.15
0.2
0.25
0
0.3
60
40
20
0
8
6
4
2
0
0.2
0.4
0.6
0.8
1
CURRENT (A)
0
CURRENT (A)
SDT0804T-100M-S
12
10
8
L (uH)
12
10
8
L (uH)
SDT0804T-102M-S
1200
1000
800
W (uJ)
14
12
10
8
6
4
2
0
6
4
2
0
3.2
600
6
400
200
0
4
2
0
0.05
0.1
0.15
0.2
0.25
0
0.3
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.2
2.4
2.6
2.8
3
CURRENT (A)
CURRENT (A)
249
TApE dImEnSIonS
TApE mATERIAL
Carrier Tape : Polystyrene
Cover Type : Polyethylene
P0
P2
E
K0
K0
Plastic
Paper
W
D
P
160mm Min.
Blank Part
Cover Tape
Chip Mounting
Part
Blank
330mm Min.
Leader
REEL dImEnSIonS
RECommEndEd pATTERn
Land pattern
C
C
B
A
B
A
D
D
Dimensions : mm
TYpE
TApE
dImEnSIonS
k0
SDT0402
3.2
d
1.55
E
1.75
W
12
p
8
p0
4
p2
2
RECommEndEd
pATTERn
A
6.86
B
4.06
C
3.56
d
1.40
REEL
dImEnSIonS
A
330
178
SDT0804
5.4
1.55
1.75
24
16
4
2
13.21
7.37
2.79
2.92
330
B
100
60
100
C
13
13
13
d
13.4
13.2
24.4
QUAnTITY
pCS/REEL
178
-
750
-
330
2500
-
750
250
SdT SERIES RELIABILITY TEST
1-1 mECHAnICAL pERfoRmAnCE
NO.
1-1-1
ITEM
Vibration
SPECIFICATION
Appearance : No Damage
L Change : within ±10%
Q Change : within ±30%
RDC : within Specification
1-1-2
Resistance to
Soldering Heat
Appearance : No Damage
TEST CONDITIONS
Test device shall be soldered on the substrate.
Oscillation Frequency : 10 to 55 to 10Hz for 1Min.
Amplitude : 1.5mm
Time : 2Hrs. for each Axis (X,Y & Z), Total 6Hrs.
Pre-heating : 150°C, 1Min.
Solder Composition : Sn/Pb = 63/37
Solder Temperature : 260 ± 5°C
Immersion Time : 10 ± 1Sec.
1-1-3
Solderability
The electrodes shall be at least 90% covered
with new solder coating.
Pre-heating : 150°C, 1Min.
Solder Composition : Sn/Pb = 63/37
Solder Temperature : 230 ± 5°C
Immersion Time : 4 ± 1Sec.
1-2 EnVIRonmEnTAL pERfoRmAnCE
no.
1-2-1
ITEm
Temperature Shock
SpECIfICATIon
Appearance : No Damage
L Change : within ±10%
L Change : within ±30%
RDC : within Specification
1-2-2
Temperature Cycle
TEST CondITIonS
10 Cycles (Air to Air) 1 Cycles shall Consist of :
30Min. Exposure to -55°C
30Min. Exposure to 125°C
15Sec. Max. Transition between Temperatures
Measured after Exposure in the Room Condition for 24Hrs.
One Cycle
Step
1
2
3
4
Total : 100 Cycles
Measured after Exposure in the Room Condition for 24Hrs.
1-2-3
Humidity Resistance
Temperature : 40 ± 2°C
Relative Humidity : 90 ~ 95%
Time : 1000Hrs.
Measured after Exposure in the Room Condition for 24Hrs.
1-2-4
High Temperature
Resistance
Temperature : 85 ± 3°C
Relative Humidity : 20%
Applied Current : Rated Current
Time : 1000Hrs.
Measured after Exposure in the Room Condition for 24Hrs.
1-2-5
Low Temperature
Resistance
Temperature : -25 ± 3°C
Relative Humidity : 0%
Time : 1000Hrs.
Measured after Exposure in the Room Condition for 24Hrs.
Temperature (°C)
-25 ± 3
25 ± 2
85 ± 3
25 ± 2
Time (min.)
30
3
30
3