fda1254 Toko Inc., fda1254 Datasheet
fda1254
Manufacturer Part Number
fda1254
Description
Fixed Inductors For Surface Mounting
Manufacturer
Toko Inc.
Datasheet
1.FDA1254.pdf
(1 pages)
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Part Number:
fda1254-1R0M
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Manufacturer:
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Inductance Range: 0.68~8.0μH
• 13.5 × 12.6mm square and 5.4mm Max. height.
• Magnetically shielded construction low DC resistance.
• Suitable for large current.
• The use of magnetic iron powder ensure capability for
• Low audible core noise.
• Ideal for DC-DC converter applications in hand held
• RoHS compliant
TYPE FDA1254 (Quantity/reel; 500 PCS)
(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
(4) Temperature Rise Current based upon 40°C temperature rise.
(5) Absolute maximum voltage 30VDC.
NOTICE: Please be sure that you carefully discuss your planned
DIMENSIONS／外形寸法図
FEATURES／特長
large current and compact size.
personal computer and etc.
Technologies) or equivalent.
Test frequency at 100kHz
3541(HIOKI). (Reference ambient temperature 25°C)
reduction from the initial value.
(Reference ambient temperature 25°C)
FDA1254
FDA1254-R68M
FDA1254-1R0M
FDA1254-1R2M
FDA1254-2R2M
FDA1254-3R3M
FDA1254-4R7M
FDA1254-5R6M
FDA1254-8R0M
東光品番
Number
TOKO
Part
purchase with our sales division if you intend to use the
product for business use etc. is severe.
インダクタンス
Inductance
1.0
1.2
2.2
3.3
4.7
5.6
8.0
(μH)
0.68
SELECTION GUIDE FOR STANDARD COILS
Fixed Inductors for Surface Mounting 面
(1)
(1)
Tolerance
許容差
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
(%)
(mΩ) Max. (Typ.)
• 13.5 × 12.6 角、高さ5.4mm Max.
• 閉磁路構造、低直流抵抗
• 大電流対応
• 磁性材に鉄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 コンバータ用インダクタ
• RoHS指令対応
(1) インダクタンスはLCR メータ4284A（Agilent Technologies）ま
(2) 直流抵抗は測定器34420A（Agilent Technologies）または3541
(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
(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 30VDC
ご注意：業務用など、厳しい使用条件でのご使用をご検討の場合は
Resistance
などに最適
16.0 (12.8)
たは同等品により測定する。
測定周波数は100kHzです。
（HIOKI）と同等品により測定する。（周囲温度25℃）
が初期値より20%減少する直流電流値。
（周囲温度25℃を基準とする。）
直流抵抗
1.5 (1.24)
2.0 (1.63)
2.6 (2.05)
4.5 (3.61)
7.0 (5.51)
8.8 (7.12)
9.4 (7.80)
DC
必ず事前に弊社営業窓口までご相談ください。
(2)
(2)
Recommended patterns
推奨パターン図
Decrease Current
直流重畳許容電流
(A) Max. (Typ.)
Inductance
29.1 (38.8)
25.2 (33.7)
20.2 (26.9)
14.7 (19.6)
13.1 (17.5)
11.2 (14.9)
10.8 (14.4)
ΔL
9.1 (12.3)
L
実装
=20%
づ
2.5
け
用固定インダクタ
(3)
(3)
3.0
5.0
温度上昇許容電流
(A) Max. (Typ.)
Rise Current
2.5
Temperature
23.7 (29.7)
20.5 (25.7)
18.4 (23.1)
14.2 (17.8)
11.5 (14.4)
10.2 (12.8)
ΔT=40°C
9.1 (11.4)
7.1 (8.9)
(Unit: mm)
(4)
(4)
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