Ferrite Inductors
铁氧½功率电感器
DS126C2
Inductance Range:
1.7~680µH
Recommended patterns
推荐焊盘尺寸
(Unit: mm)
(Unit: mm)
FEATURES
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特点
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最大12.8毫米的平面，最大高度6.8毫米
磁性屏½结构和½直流电阻
适合于大电流
DC-DC½换器电感器的理想选择
½用温度范围：-40½+85°C
12.8mm Max. square and 6.8mm Max. height.
Magnetically shielded construction and low DC resistance.
Suitable for large current.
Ideal for DC-DC converter inductor applications.
Operating temperature : -40½+85°C
STANDARD PART NUMBERS
标准零件号码
TYPE DS126C2 (Quantity/reel; 500 PCS)
零件号码
Part
Number
#B953AS-1R7N=P3
#B953AS-2R7N=P3
#B953AS-3R9N=P3
#B953AS-5R6N=P3
#B953AS-7R5N=P3
#B953AS-100M=P3
#B953AS-120M=P3
#B953AS-150M=P3
#B953AS-180M=P3
#B953AS-220M=P3
#B953AS-270M=P3
#B953AS-330M=P3
#B953AS-390M=P3
#B953AS-470M=P3
#B953AS-560M=P3
#B953AS-680M=P3
#B953AS-820M=P3
#B953AS-101M=P3
#B953AS-121M=P3
#B953AS-151M=P3
#B953AS-181M=P3
#B953AS-221M=P3
#B953AS-271M=P3
#B953AS-331M=P3
#B953AS-391M=P3
#B953AS-471M=P3
#B953AS-561M=P3
#B953AS-681M=P3
电感值
(1)
公差
最大直流电阻
(2)
(典型)
DC
Resistance
(2)
(mΩ) Max.(Typ.)
10 (8)
11 (9)
14 (11)
16 (13)
17 (14)
23 (19)
27 (22)
32 (26)
40 (33)
46 (38)
50 (41)
64 (53)
74 (61)
82 (68)
105 (87)
120 (96)
145 (120)
170 (140)
185 (150)
235 (195)
290 (240)
350 (290)
415 (345)
495 (410)
610 (505)
705 (585)
900 (750)
1120 (930)
Inductance
(1)
Tolerance
(µH)
(%)
1.7
2.7
3.9
5.6
7.5
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
±
30
±
30
±
30
±
30
±
30
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
±
20
最大电感值减小电流
(3)
(典型)
Inductance
Decrease Current
(3)
(A) Max.(Typ.)
ΔL/L=10%
ΔL/L=30%
11.8 (15.8)
15.8 (21.1)
9.0 (12.1)
11.9 (15.9)
7.9 (10.6)
10.3 (13.8)
6.8 (9.1)
8.9 (11.9)
5.7 (7.7)
7.5 (10.0)
5.5 (7.4)
7.3 (9.8)
5.0 (6.7)
6.5 (8.7)
4.5 (6.0)
5.9 (7.9)
4.1 (5.6)
5.5 (7.3)
3.6 (4.8)
4.6 (6.2)
3.2 (4.3)
4.2 (5.6)
3.0 (4.0)
3.9 (5.2)
2.7 (3.6)
3.5 (4.7)
2.4 (3.3)
3.3 (4.4)
2.0 (2.7)
2.6 (3.5)
1.7 (2.3)
2.3 (3.1)
1.6 (2.3)
2.2 (2.9)
1.5 (2.0)
2.0 (2.6)
1.3 (1.9)
1.8 (2.4)
1.2 (1.6)
1.6 (2.1)
1.1 (1.5)
1.5 (2.0)
1.0 (1.4)
1.3 (1.8)
0.93 (1.2)
1.2 (1.6)
0.83 (1.1)
1.1 (1.5)
0.76 (1.0)
1.0 (1.4)
0.67 (0.90)
0.89 (1.2)
0.62 (0.83)
0.83 (1.1)
0.55 (0.74)
0.72 (0.97)
最大温度上升电流
(3)
(典型)
Temperature
Rise Current
(3)
∆T=40°C
(A) Max. (Typ.)
7.7 (9.6)
7.0 (8.8)
6.0 (7.6)
5.6 (7.1)
5.1 (6.3)
4.4 (5.5)
4.0 (5.0)
3.6 (4.5)
3.2 (4.0)
2.9 (3.8)
2.8 (3.6)
2.4 (3.1)
2.2 (2.8)
2.1 (2.6)
1.9 (2.4)
1.7 (2.2)
1.6 (2.1)
1.4 (1.8)
1.3 (1.7)
1.2 (1.5)
1.1 (1.4)
1.0 (1.3)
0.92 (1.2)
0.83 (1.1)
0.77 (1.0)
0.70 (0.90)
0.64 (0.81)
0.58 (0.73)
(1) Inductance is measured with a LCR meter 4284A (Agilent
Technologies) or equivalent.
Test frequency at 100kHz
(2) DC resistance is measured with 34420A (Agilent Technologies) or
3541(HIOKI). (Reference ambient temperature 25°C)
(3) Maximum allowable DC current is that which causes a 10%
inductance reduction from the initial value, or coil temperature to
rise by 40°C whichever is smaller.(Reference ambient
temperature: 20°C)
(1) LCR仪表4284A (Agilent技术)或者功½相同的仪器在100kHz下测
试电感值。
(2)
通过数码万用表34420A（Agilent技术）或者3541(HIOKI)测试直
流电阻。（环境温度为25°C）
(3)
允许最大直流电的范围是以下两者中比较小的一个：引起电感值
从最初值降½10%，或者线圈温度升高40°C。
（参考周围环境温度20°C）。
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