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DB320C

Description
Fixed Inductors for Surface Mounting
File Size96KB,1 Pages
ManufacturerTOKO, INC.
Websitehttps://www.murata.com/
Download Datasheet View All

DB320C Overview

Fixed Inductors for Surface Mounting

Fixed Inductors for Surface Mounting
実装
用 固定インダクタ
DB320C
Inductance Range:
3.9~27µH
DIMENSIONS/外½寸法図
Recommended patterns
推奨パターン図
4.0 Max.
2.0 Max.
1.
0
1.5
方向表示
Direction indication
2
4.
.6
1
2.2
(Unit: mm)
5.1
(Unit: mm)
FEATURES/特長
Low profile (4.0mm Max. square and 2.0mm Max. height).
Magnetically shielded construction and low DC resistance.
Ideal for DC-DC converter choke coil for portable
equipments (DVD, DSC, Cellular phone, PDA ).
RoHS compliant.
小型薄½構造(4.0mm角Max.、高さ2.0mm Max.)
閉磁路構造、½直流抵抗
小型機器(DVD, DSC, Cellular phone, PDA)などのDC-DCコン
バータ用チョークコイルに最適
RoHS指令対応
SELECTION GUIDE FOR STANDARD COILS
TYPE DB320C
(Quantity/reel; 2,000 PCS)
東光品番
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)
TOKO
Part
Number
A993AS-3R9M
A993AS-4R7M
A993AS-5R6M
A993AS-6R8M
A993AS-8R2M
A993AS-100M
A993AS-120M
A993AS-150M
A993AS-180M
A993AS-220M
A993AS-270M
Inductance
(1)
(µH)
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
Tolerance
(%)
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
DC
Resistance
(2)
(Ω) Max. (Typ.)
0.08 (0.07)
0.10 (0.08)
0.11 (0.09)
0.12 (0.10)
0.14 (0.12)
0.16 (0.13)
0.19 (0.16)
0.24 (0.20)
0.29 (0.24)
0.37 (0.31)
0.48 (0.40)
Inductance Decrease Current
(3)
Temperature
Rise Current
(3)
(A) Max. (Typ.)
T=40°C
∆L
∆L
L
=10%
L
=30%
(A) Max. (Typ.)
0.86 (1.15)
0.85 (1.14)
0.73 (0.97)
0.70 (0.93)
0.66 (0.88)
0.59 (0.78)
0.56 (0.74)
0.49 (0.65)
0.45 (0.60)
0.41 (0.55)
0.35 (0.47)
1.10 (1.47)
1.08 (1.44)
0.97 (1.29)
0.89 (1.18)
0.85 (1.14)
0.74 (0.99)
0.69 (0.92)
0.62 (0.82)
0.56 (0.74)
0.52 (0.69)
0.45 (0.60)
1.38 (1.73)
1.28 (1.60)
1.21 (1.52)
1.19 (1.49)
0.97 (1.21)
0.96 (1.20)
0.83 (1.04)
0.74 (0.93)
0.65 (0.82)
0.55 (0.69)
0.47 (0.59)
(1) Inductance is measured with a LCR meter 4284A * or equivalent.
(2) DC resistance is measured with a Digital Multimeter TR6871
(Advantest) or equivalent.
(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)
* Agilent Technologies
(1) インダクタンスはLCRメータ4284A * または同等品により測定する。
(2) 直流抵抗はデジタルマルチメータTR6871(Advantest)または同等品
により測定する。
(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℃上昇の½れか小さい値です。
(周囲温度20℃を基準とする。
* Agilent Technologies
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