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1231AS-H-4R7M Datasheet(PDF) 1 Page - TOKO, Inc

Part # 1231AS-H-4R7M
Description  Ideal for a variety of DC-DC converter inductor applications
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Manufacturer  TOKO [TOKO, Inc]
Direct Link  http://www.toko.com
Logo TOKO - TOKO, Inc

1231AS-H-4R7M Datasheet(HTML) 1 Page - TOKO, Inc

  1231AS-H-4R7M Datasheet HTML 1Page - TOKO, Inc  
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DEM3518C
Inductance Range: 0.56~22
H
(Unit: mm)
(Unit: mm)
*DEM3518C: 1.8mm Max.
FEATURES
特長
 Low profile (3.5  3.7mm square, 1.8mm Max. height).
 Magnetically shielded construction and low DC resistance.
 Ideal for a variety of DC-DC converter inductor applications.
 小型薄形構造(3.5  3.7mm角, 高さ1.8mm Max.)
 閉磁路構造、低直流抵抗
 各種機器のDC-DCコンバータ用インダクタに最適
STANDARD PART NUMBERS
標準品一覧
TYPE DEM3518C (Quantity/reel; 2,000 PCS)
品番
インダクタンス
(1)
許容差
直流抵抗
(2)
直流重畳許容電流
(3)
温度上昇許容電流
(3)
Part
Number
Inductance
(1)
(
H)
Tolerance
(%)
DC
Resistance
(2)
(m
) Max. (Typ.)
Inductance
Decrease Current
(3)
(A) Max. (Typ.)
=30%
Temperature
Rise Current
(3)
T=40C
(A) Max. (Typ.)
1231AS-H-R56N=P3
0.56
 30
29 (24)
3.30 (4.40)
3.40 (4.00)
1231AS-H-1R2N=P3
1.2
 30
36 (30)
2.40 (3.20)
2.90 (3.40)
1231AS-H-1R5N=P3
1.5
 30
42 (35)
2.10 (2.75)
2.70 (3.20)
1231AS-H-2R2M=P3
2.2
 20
48 (40)
1.90 (2.55)
2.55 (3.00)
1231AS-H-3R3M=P3
3.3
 20
60 (50)
1.60 (2.10)
2.25 (2.70)
1231AS-H-4R7M=P3
4.7
 20
72 (60)
1.35 (1.75)
2.00 (2.45)
1231AS-H-6R4M=P3
6.4
 20
102 (85)
1.15 (1.50)
1.65 (2.00)
1231AS-H-100M=P3
10
 20
174 (145)
0.90 (1.20)
1.25 (1.50)
1231AS-H-120M=P3
12
 20
186 (155)
0.85 (1.15)
1.20 (1.45)
1231AS-H-150M=P3
15
 20
222 (185)
0.80 (1.05)
1.10 (1.30)
1231AS-H-220M=P3
22
 20
342 (285)
0.65 (0.84)
0.88 (1.05)
(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 30%
inductance reduction from the initial value, or coil temperature to
rise by 40°C, whichever is smaller. (Reference ambient
temperature 20°C)
(1) インダクタンスはLCRメータ4284A(Agilent Technologies)
または同等品により測定する。
測定周波数は100kHz。
(2) 直流抵抗は測定器34420A(Agilent Technologies)または3541
(HIOKI)と同等品により測定する。(周囲温度25°C)
(3) 最大許容電流は、直流重畳電流を流した時インダクタンスの値が
初期値より30%減少する直流電流値、または直流電流により、
コイルの温度が40°C上昇の何れか小さい値。(周囲温度20°Cを
基準とする。)
L
L
Recommended patterns
推奨パターン図
Ferrite Inductors
フェライトインダクタ


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