1234AS-H-3R3M datasheet, PDF - EEWORLD Datasheet

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1234AS-H-3R3M: DescriptionGeneral Purpose Inductor, 3.3uH, 20%, 1 Element, SMD, 1819, CHIP, 1819, ROHS COMPLIANT; CategoryPassive components inductor; File Size106KB，1 Pages; ManufacturerMurata; Websitehttps://www.murata.com

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1234AS-H-3R3M Overview

General Purpose Inductor, 3.3uH, 20%, 1 Element, SMD, 1819, CHIP, 1819, ROHS COMPLIANT

1234AS-H-3R3M Parametric

Parameter Name	Attribute value
Maker	Murata
package instruction	CHIP, 1819, ROHS COMPLIANT
Reach Compliance Code	unknown
ECCN code	EAR99
uppercase and lowercase codes	1819
DC Resistance	0.096 Ω
Nominal inductance(L)	3.3 µH
Inductor Applications	DC-DC CONVERTER
Inductor type	GENERAL PURPOSE INDUCTOR
Number of functions	1
Number of terminals	2
Maximum rated current	1.9 A
Shape/Size Description	RECTANGULAR PACKAGE
shield	YES
surface mount	YES
Terminal location	DUAL ENDED
Terminal shape	WRAPAROUND
Test frequency	0.1 MHz
Tolerance	20%
Base Number Matches	1

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Ferrite Inductors

フェライトインダクタ

DEM4514C/DEM4518C

Inductance Range:

1.2~33H (DEM4514C), 1.2~22H (DEM4518C)

4.5

1.8

Recommended patterns

推奨パターン図

＊

4.7

DEM4514C

(3.5)

3.3

DEM4518C

(Unit: mm)

5.3

(Unit: mm)

*DEM4514C:

1.4mm Max.

DEM4518C: 1.8mm Max.

FEATURES

特長



小型薄½構造(4.54.7mm角, 高さ1.4および1.8mm

Max.)

閉磁路構造½½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

RoHS指令対応



Low profile (4.54.7mm square, 1.4 and 1.8mm Max.

height).



Magnetically shielded construction and low DC resistance.



Ideal for a variety of DC-DC converter inductor applications.



RoHS compliant.

TOKO STANDARD PART NUMBERS

東光品番

TOKO

Part

Number

1234AS-H-1R2N

1234AS-H-1R8N

1234AS-H-2R4M

1234AS-H-3R3M

1234AS-H-4R7M

1234AS-H-6R8M

1234AS-H-100M

1234AS-H-120M

1234AS-H-150M

1234AS-H-220M

1234AS-H-330M

インダクタンス

Inductance

(H)

1.2

1.8

2.4

3.3

4.7

6.8

(1)

東光標準品一覧

(2)

(3)

TYPE DEM4514C (Quantity/reel; 2,000 PCS)

許容差

Tolerance

(%)



直流抵抗

(2)

Resistance

(m) Max. (Typ.)

60 (50)

72 (60)

84 (70)

96 (80)

120 (100)

156 (130)

192 (160)

228 (190)

276 (230)

444 (370)

648 (540)

直流重畳許容電流

Inductance

(3)

Decrease Current

(A) Max. (Typ.)

L

=30%

2.60 (3.45)

2.20 (2.95)

1.90 (2.55)

1.70 (2.25)

1.45 (1.90)

1.20 (1.55)

1.00 (1.35)

0.90 (1.20)

0.80 (1.05)

0.65 (0.89)

0.55 (0.75)

温度上昇許容電流

Temperature

(3)

Rise Current

T=40C

(A) Max. (Typ.)

2.45 (2.85)

2.20 (2.60)

2.00 (2.35)

1.90 (2.25)

1.55 (1.85)

1.40 (1.65)

1.25 (1.50)

1.10 (1.30)

1.00 (1.20)

0.75 (0.89)

0.63 (0.75)

TYPE DEM4518C (Quantity/reel; 2,000 PCS)

東光品番

TOKO

Part

Number

1235AS-H-1R2N

1235AS-H-1R8N

1235AS-H-2R4M

1235AS-H-3R3M

1235AS-H-4R3M

1235AS-H-6R8M

1235AS-H-100M

1235AS-H-150M

1235AS-H-220M

インダクタンス

Inductance

(H)

1.2

1.8

2.4

3.3

4.3

6.8

(1)

許容差

Tolerance

(%)



直流抵抗

(2)

Resistance

(m) Max. (Typ.)

47 (39)

56 (47)

65 (54)

74 (62)

84 (70)

106 (88)

132 (110)

192 (160)

306 (255)

直流重畳許容電流

Inductance

(3)

Decrease Current

(A) Max. (Typ.)

L

=30%

3.50 (4.70)

3.00 (3.90)

2.60 (3.40)

2.30 (3.00)

2.00 (2.65)

1.70 (2.20)

1.30 (1.75)

0.98 (1.30)

0.91 (1.20)

(3)

2.2

温度上昇許容電流

Temperature

(3)

Rise Current

T=40C

(A) Max. (Typ.)

2.90 (3.40)

2.70 (3.20)

2.30 (2.70)

2.10 (2.50)

2.00 (2.40)

1.90 (2.20)

1.70 (2.00)

1.10 (1.30)

1.00 (1.20)

(3)

(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½れか小さい値。（周囲温度20°Cを

基準とする。）

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