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ST S
SI HM
RE M (O
DC
DC MU
ES )
ES XI
RI A ERI MPS
S
SE M
D (A
TE UM
E
RA XIM
NC
RA
MA
T
LE
EN
TO
ES
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RR
SE (µH
CU
DC E
S NC
.
MP TA
ST
0 ADUC ESI )
R MS
IN
DC (OH
EL M
LL MU
DC
RA XI
EL M
PA MA ALL MU
R XI
PA A
D TM
E
TE EN
NC
RA RR
RA
LE
CU
L
TO LLE
)
RA (µH
PA
CE
DC N
S TA
R*
BE
MP UC
0 A IND NUM
s
or
ct
du
In
er
ow
SERIES
4448R
4448
Surface Mount High Current Power Toroids
DA
SH
-02M
-04M
-06M
-08M
-10M
-12M
-14L
-16L
-18L
-20L
-22L
-24L
-26L
-28L
-30L
-32L
-34L
0.47
0.68
1.00
2.00
5.00
8.00
10.0
15.0
20.0
25.0
33.0
50.0
68.0
100
150
200
300
SERIES 4448 POWDERED IRON CORE
± 20%
7.90
0.005
2.00 ± 20%
± 20%
7.20
0.006
3.00 ± 20%
± 20%
5.90
0.009
4.00 ± 20%
± 20%
4.60
0.014
8.00 ± 20%
± 20%
3.30
0.027
20.0 ± 20%
± 20%
3.00
0.033
32.0 ± 20%
± 15%
2.50
0.047
40.0 ± 15%
± 15%
2.30
0.057
60.0 ± 15%
± 15%
1.90
0.085
80.0 ± 15%
± 15%
1.60
0.116
100
± 15%
± 15%
1.30
0.166
132
± 15%
± 15%
1.20
0.202
200
± 15%
± 15%
1.10
0.238
272
± 15%
± 15%
0.72
0.565
400
± 15%
± 15%
0.64
0.696
600
± 15%
± 15%
0.60
0.810
800
± 15%
± 15%
0.54
1.003 1200
± 15%
SERIES 4448 FERROUS ALLOY CORE
± 20%
7.90
0.004
2.00 ± 20%
± 20%
7.00
0.005
3.00 ± 20%
± 20%
6.50
0.006
4.00 ± 20%
± 20%
5.90
0.007
8.00 ± 20%
± 20%
4.40
0.014
20.0 ± 20%
± 20%
3.50
0.019
32.0 ± 20%
± 15%
3.40
0.020
40.0 ± 15%
± 15%
3.00
0.024
60.0 ± 15%
± 15%
2.10
0.055
80.0 ± 15%
± 15%
2.00
0.064
100
± 15%
± 15%
1.80
0.072
132
± 15%
± 15%
1.50
0.111
200
± 15%
± 15%
1.20
0.158
272
± 15%
± 15%
0.92
0.303
400
± 15%
± 15%
0.82
0.372
600
± 15%
± 15%
0.64
0.545
800
± 15%
± 15%
0.62
0.672 1200
± 15%
3.95
3.60
2.95
2.30
1.65
1.50
1.25
1.15
0.95
0.80
0.65
0.60
0.55
0.36
0.32
0.30
0.27
0.020
0.024
0.036
0.056
0.108
0.132
0.188
0.228
0.340
0.464
0.664
0.808
0.952
2.260
2.784
3.240
4.012
Actual Size
Test Methods
Solderability per MIL-STD-202, Method 208.
Inductance tested at 10 kHz and zero Amp DC. Tested at 25°C
Mechanical Configuration
A flat top surface mount case with
excellent coplanarity of terminals.
Physical Parameters
Inches
A
0.390 to 0.410
B
0.520 to 0.540
C
0.115 to 0.135
D
0.480 to 0.500
E
0.310 Max.
F
0.020 to 0.040
G
0.060 (Ref. only)
Millimeters
9.91 to 10.41
13.21 to 13.71
2.92 to 3.43
12.19 to 12.70
7.87 Max.
0.51 to 1.02
1.52 (Ref. only)
-102M
-104M
-106M
-108M
-110M
-112M
-114L
-116L
-118L
-120L
-122L
-124L
-126L
-128L
-130L
-132L
-134L
0.47
0.68
1.00
2.00
5.00
8.00
10.0
15.0
20.0
25.0
33.0
50.0
68.0
100
150
200
300
3.95
3.50
3.25
2.95
2.20
1.75
1.70
1.50
1.05
1.00
0.90
0.75
0.60
0.46
0.41
0.32
0.31
0.016
0.020
0.024
0.028
0.056
0.076
0.080
0.096
0.220
0.254
0.288
0.444
0.632
1.212
1.488
2.180
2.688
Electrical Configuration
Two inductors per unit;
internal terminals: #1(start) – #2(finish) &
#4(start) – #3 (finish).
Series
Externally connect #2 to #4.
Parallel
Externally connect #1 to # 4 and # 2 to # 3.
Operating Temperature Range
–55°C to +125°C
Rated DC Current
Based upon 20°C temperature rise from
25°C ambient.
Maximum Power Dissipation at 25°C
0.313 Watts
Inductance Tolerance
Tolerance is specified by suffixing an
alpha character to the part number as follows: K = 10%, L =
15%. M = 20%. Units are normally supplied to the tolerance
indicated in the tables.
Marking
Delevan; inductance and tolerance. A white dot
indicates the location of pin 1.
Example: 4448-102M
DELEVAN
.47uH±20%
Weight (Grams) 2.5 (Ref.)
Inductance at Rated DC Current
Minimum percent of
measured zero Amp DC Inductance.
-02M to -34L = 60%; -102M to134L = 50%
Packaging
Tape & reel (24mm):
13" reel, 350 pieces max.; 7" reel not available
*Complete part # must include series # PLUS the dash #
For surface finish information, refer to www.delevanfinishes.com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
1/2009
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