FDH1040 Toko America Incorporated, FDH1040 Datasheet
FDH1040
Manufacturer Part Number
FDH1040
Description
Fixed Inductors for Surface Mounting
Manufacturer
Toko America Incorporated
Datasheet
1.FDH1040.pdf
(1 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
FDH1040-R56M=P3
Manufacturer:
TOKO
Quantity:
1 292
Company:
Part Number:
FDH1040B-R14M=P3
Manufacturer:
NEC
Quantity:
1 050
Inductance Range: 0.36~0.56µH
Recommended patterns
推奨パターン図
• 11.3×10.2mm square and 4.0mm Max. height.
• Magnetically shielded construction low DC resistance.
• Suitable for large current
• The use of magnetic metal alloy powder ensure capability
• Low audible core noise.
• Ideal for DC-DC converter applications in hand held
• RoHS compliant.
(1) Inductance is measured with a LCR meter 4284A (Agilent
(2) DC resistance is measured with 34420A (Agilent Technologies) or
(3) Inductance Decrease Current based upon 20% inductance reduction
(4) Temperature Rise Current based upon 40°C temperature rise.
(5) Absolute maximum voltage 30V
FDH1040
NOTICE: Please be sure that you carefully discuss your planned
TYPE FDH1040(B)
FDH1040(B)
DIMENSIONS／外形寸法図
For large current and compact size.
personal computer and etc.
FEATURES／特長
Technologies) or equivalent.
Test frequency at 100KHz
3541(HIOKI). (environment temp. of 25°C)
from the initial value
(Reference ambient temperature 25°C)
FDH1040/FDH1040B
タイプ
Type
4.1
purchase with our sales division if you intend to use the
product for business use etc. is severe.
5.4
FDH1040(B)-R36M
FDH1040(B)-R56M
4.1
Number
東光品番
TOKO
Part
(Unit: mm)
(Quantity/reel; 500 PCS)
FDH1040
DC
SELECTION GUIDE FOR STANDARD COILS
11.2
Fixed Inductors for Surface Mounting
インダクタンス
Inductance
FDH1040B
( µ H)
0.36
0.56
4.0 Max.
3.8
(1)
(1)
Tolerance
6.0
許容差
(%)
±20
±20
2.55
3.8
•
•
•
•
•
•
•
(6.0)
(Unit: mm)
11.3×10.2mm 角、高さ4.0mm Max.
閉磁路構造、低直流抵抗
大電流対応
磁性材に合金系磁性粉を用いた大電流対応と小型化を両立
低コア鳴きノイズ
ノートパソコンなどのDC-DC コンバータなどに最適
RoHS指令対応
(1) インダクタンスはLCR メータ4284A（Agilent Technologies）また
(2) 直流抵抗は測定器34420A（Agilent Technologies）または
(3) 直流重畳許容電流：直流重畳電流を流した時インダクタンスの値が
(4) 温度上昇許容電流：コイルの温度が40℃上昇する値
(5) 絶対最大電圧 30V
御注意：業務用など、厳しい使用条件でのご使用をご検討の場合
(mΩ) Max. (Typ.)
Resistance
は同等品により測定する。
測定周波数は100KHzです。
3541(HIOKI）と同等品により測定する。 （周囲温度25℃）
初期値より20%減少する直流電流値
（周囲温度25℃を基準とする。 ）
2.55
1.4 (1.22)
1.9 (1.66)
直流抵抗
DC
は必ず事前に弊社営業窓口までご相談ください。
FDH1040B
(2)
(2)
11.3
Decrease Current
DC
直流重畳許容電流
(A) Max. (Typ.)
Inductance
28 (38.4)
22 (30.2)
∆L
L
=20%
4.0 Max.
面
実装
づ
け
Tolerance : ±0.3
(3)
用 固定インダクタ
(3)
温度上昇許容電流
2.35
Rise Current
(A) Max. (Typ.)
Temperature
∆ T=40°C
24 (29.7)
20 (25.4)
(6.6)
(Unit: mm)
2.35
(4)
(4)
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