SMD AIR WOUND COILS
SMD
AIR WOUND CO ILS
291A and 291B
SERIES
291A and 291B SERIES
Mec han ica l Dimens ions
a
Mechanical Dimensions: (Unit:mm)
d
i
(Unit: mm)
j
291A
!
180 ° (MAX)
c
d
g
h
f
291B
291B
Ser
Se
ries
!
30 ° (MIN)
e
b
Recommended Patterns
Mec han ica l Dimens ions: (Unit: mm)
Mechanical Dimensions: (Unit:mm)
b
c
0.58 0.38
±
3.18(MA
X)
0.58±0.38
3.18(MAX)
0.58 0.38
±
3.18
(MA X)
0.58±0.38
3.18(MAX)
L d Pa ttern: (Unit: mm)
an
b
c
b
c
Series
291A
291A
291
B
291B
291A
a
)
3.05(MAX
3.05(MAX)
3.05
(MAX)
3.05(MAX)
a
a
d
)
3.68(MAX
3.68(MAX)
6.86
(MAX)
6.86(MAX)
d
d
e
2.92±0.25
5.84± 5
0.2
5.84±0.25
2.92± 5
0.2
e
e
S rie s
e
Land Pattern: (Unit:mm)
3.30
1.65
Series
291
B
291A
291B
T rns
u
1
2
3
4.19
f
7.2
4
4.19
7.24
T rance
ole
K
g
h
3.30
4.7
0
3.30
1.65
Elec trical S
peci fic a
4.70
tion:
3.30
Inductanc e
(nH
)
(nH)
2.
5
Q
T
est F q .
re
(MH z)
15
0
(m in
)
in)
14
5
2.7
9
Pa r
t
Num be r
29
1A-01
29
1A-02
291A- 3
0
29
1A-04
Electrical Specification
Q
Inductance(nH)
150
140
(Min)
14
0
15
0
i
2.7
9
2.79
2.79
S (G Hz
)
RF
Hz)
ma x
1.2
7
1.27
j
1.27
1.27
DCR
(m
Ω
)
Ra ted Cu rre nt
Part No.
Turns
K,
J
G ,J
Tolerance
5.0
8.
0
a
b
c
d
e
12.
137
2.5
15
145
0
G
291A-01□-LFR
4
1
,J
K
5
29
1A-05
18.
5
132
5.0
150
G
291A-02□-LFR
5
2
,J
K、J
140
291B- 6
0
17
5
.5
.
10
0
15
0
G
291A-03□-LFR
6
3
,J
G、J
8.0
140
291B- 7
0
7
22.
0
10
2
15
0
G ,J
291A-04□-LFR
4
G、J
12.5
137
29
1B-
8
08
0
8
28
0
.0
.
10
5
150
15
0
G ,J
291A-05□-LFR
9
5
,J
G、J
18.5
132
291B-0
9
35.
5
11
2
15
0
G
291B-06□-LFR
10
6
,J
G、J
17.5
100
291B
0
-10
-1
43.
0
43.0
10
6
15
0
G
7
22.0
102
T
291B-07□-LFR
, J= 5% K
±
10%
G、J
ole rance: G=
±
2%
.
±
, =
291B-08□-LFR
G、J
with HP 6193 test fixture.
105
In
duc ta nce & SRF measu red
8
on the HP4
291B.
1
28.0
Ope ra ting T
emp.: -40 C O
9
°
291B-09□-LFR
° T +125 C.
G、J
35.5
112
For T
emp e ratu re Rise: 15°
C.
291B-10□-LFR
10
G、J
43.0
106
SRF measured using the HP8753E, or HP
8720D.
Test
1.
1
Freq
1.8
(MHz)
2.6
3.
4
150
3.
9
150
4.5
4.
5
150
5.2
5.
2
150
6.0
6.
0
150
6.8
6.
8
150
7.
9
150
150
150
150
DCR
5
12.
（mΩ）
6.5
Max
5.0
3.3
1.1
2.5
1.8
2.2
2.
2.6
2
2.
1
3.4
1.8
1.
8
3.9
5
1.
4.5
2
1.
5.2
6.0
6.8
7.9
min
SRF
(GHz)
Min
12.5
6.5
5.0
3.3
2.5
2.2
2.1
1.8
1.5
1.2
( A) m ax
4
Reted
4
Current(A)
Max
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
25
20
Inductance (nH)
Inductance (nH)
※ Tolerance: G=±2%、J=±5%、 K=±10%.
rac te ristic Curve
Cha
※ Inductance measured on the HP4291B. with HP 16193 test fixture.
Inductance vs. Frequency
Inductance
※ Operating Temp：-40℃ to +125℃.
※ For Temperature Rise:15℃.
05
※ SRF measured using the HP8753E、 or HP8720D.
30
200
vs. Frequency
04
15
10
5
Inductance vs. Frequency
03
30
25
Characteristic Curve
100
50
200
Characteristic Curve
150
10
09
08
07
06
Inductance vs. Frequency
02
01
05
Inductance (nH)
Inductance (nH)
0
1
20
0
150
10
100
10 0
10 0 0
10
1 0 000
1000
15
10
Frequency (MHz)
04
Frequency (MHz)
291A
03
291B
09
08
07
50
T
5
Typical Q vs. Frequency
0
1
1000
02
01
T
Typical Q vs. Frequency
06
0
10
10 0
10 0 0
1 0 000
Frequency (MHz)
Frequency (MHz)
291A
T
Typical Q vs. Frequency
291B
T
Typical Q vs. Frequency
Frequency (MHz)
Frequency (MHz)
q
MHz)
291A
291B
Te l : 8 8 6 - 2 - 2 9 1 4 7 6 8 5
Frequency (MHz)
q
MHz)
10
6
Frequency (MHz)
Prosperity Dielectrics Co., Ltd.
291A
291B
http://www.pdc.com.tw/
Prosperity
Dielectrics
Co.,
Ltd.
Tel:886-2-29147685
http://www.pdc.com.tw/
京公网安备 11010802033920号
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