參數資料
型號： 1945R-31F
廠商： API DELEVAN
元件分類： 通用定值電感
英文描述： 1 ELEMENT, 470 uH, IRON-CORE, GENERAL PURPOSE INDUCTOR
封裝： ROHS COMPLIANT
文件頁數： 1/1頁
文件大小： 46K
代理商： 1945R-31F
SRF
MINIMUM
(MHz)
MIL
D
ASH
#
(Ref
.)
DASH
NUMBER*
INDUCT
ANCE
(H)
TOLERANCE
INDUCT
ANCE
TEST
FREQ
UENCY
(MHz)
Q-TEST
FREQ
UENCY
(MHz)
Q MINIMUM
DC
RESIST
ANCE
MAXIMUM
(OHMS)
CURRENT
RA
TING
MAXIMUM
(mA)
4000
3500
3000
2700
2500
2000
1700
1500
1300
1100
1000
850
720
610
1600
1400
1200
1000
900
800
720
650
590
500
460
430
360
300
290
275
265
250
235
220
170
164
158
155
150
145
142
137
135
131
128
124
123
120
115
113
110
107
104
0.020
0.025
0.030
0.040
0.045
0.070
0.100
0.120
0.160
0.230
0.280
0.380
0.540
0.750
0.11
0.14
0.19
0.28
0.34
0.43
0.56
0.67
0.81
1.15
1.40
1.60
2.30
3.30
3.32
3.70
3.99
4.48
5.07
5.78
5.00
5.80
6.60
7.40
8.00
8.60
8.90
9.60
9.90
10.4
10.9
11.6
11.8
12.5
13.5
14.0
15.0
15.5
16.5
400
376
352
320
288
264
240
220
200
176
160
144
132
88
80
76
72
64
56
52
48
42.4
37.6
34.4
32.0
28.8
25.6
20.8
17.6
15.2
12.8
10.4
8.00
5.76
5.36
5.04
4.72
4.48
4.24
4.00
3.76
3.60
3.44
3.20
3.04
2.88
2.80
2.72
2.64
2.48
2.40
2.24
75
65
60
55
50
45
55
60
70
65
60
65
80
75
85
80
75
65
60
50
45
40
25
20
15
10
7.9
5.0
2.5
1.5
0.79
25
7.9
2.5
0.79
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.00
1.20
1.50
1.80
2.20
2.70
3.30
3.90
4.70
5.60
6.80
8.20
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100
120
150
180
220
270
300
330
360
390
430
470
510
560
620
680
750
820
910
1000
± 20%
± 10%
±5%
Test Methods MIL-PRF-15305 test methods, only.
MS21389-01 to MS21389-17, reference - 1944
Series
MS21390-01 to MS21390-39, reference - 1945
Series
Physical Parameters
Inches
Millimeters
Length
0.420 to 0.447
10.67 to 11.35
Diameter
0.168 to 0.193
4.27 to 4.90
Lead Size
AWG #22 TCW 0.023 to 0.027
0.584 to 0.686
Lead Length
1.30 Min.
33.02 Min.
Current Rating at 90°C Ambient 35°C Rise
Operating Temperature –55°C to +125°C
Maximum Power Dissipation at 90°C
Series 1944: 0.385 W
Series 1945: 0.330 W
Packaging Tape & reel: 12" reel, 2500 pieces max.;
14" reel, 3000 pieces max. For additional packaging
options, see technical section.
Made in the U.S.A.
MS21389 (reference) – SERIES 1944 PHENOLIC CORE
-01M
-02M
-03M
-04M
-05M
-06M
-07M
-08M
-09M
-10M
-11M
-12M
-13M
-14M
-15K
-16K
-17K
MS21390 (reference) – SERIES 1945 IRON CORE
-01K
-02K
-03K
-04K
-05K
-06K
-07K
-08K
-09K
-10K
-11K
-12K
-13J
-14J
-15J
-16J
-17J
-18J
-19J
-20J
-21J
-22J
-23J
-24J
-25J
-26J
-27J
-28J
-29J
-30J
-31J
-32J
-33J
-34J
-35J
-36J
-37J
-38J
-39J
Optional Tolerances: K = 10%
J = 5%
H = 3%
G = 2%
F = 1%
*Complete part # must include series # PLUS the dash #
For further surface nish information,
refer to TECHNICAL section of this catalog.
1944R&1945R
1944&1945
Molded Unshielded RF Coils
Series
PAGE
48
www
.delevan.com E-mail: apisales@delevan.com
270 Quaker Rd., East Aurora NY 14052 Phone 716-652-3600 Fax 716-652-4814
4/2005
RF
INDUCTORS
相關PDF資料
PDF描述
1945R-30H 1 ELEMENT, 430 uH, IRON-CORE, GENERAL PURPOSE INDUCTOR
1945R-30F 1 ELEMENT, 430 uH, IRON-CORE, GENERAL PURPOSE INDUCTOR
1945R-28K 1 ELEMENT, 360 uH, IRON-CORE, GENERAL PURPOSE INDUCTOR
1945R-28F 1 ELEMENT, 360 uH, IRON-CORE, GENERAL PURPOSE INDUCTOR
1945R-27H 1 ELEMENT, 330 uH, IRON-CORE, GENERAL PURPOSE INDUCTOR
相關代理商/技術參數
參數描述
1945R-31F TR 2500 制造商:API Delevan 功能描述:INDUCTOR UNSHIELDED RF 470 UH 1%
1945R-31G 功能描述:固定電感器 470uH 2% 1.9ohm Unshield Molded Coil RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
1945R-31G TR 2500 制造商:API Delevan 功能描述:INDUCTOR UNSHIELDED RF 470 UH 2%
1945R-31H 功能描述:固定電感器 470uH 3% 1.9ohm Unshield Molded Coil RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
1945R-31H TR 2500 制造商:API Delevan 功能描述:INDUCTOR UNSHIELDED RF 470 UH 3%
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*