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KNH21473-3AA

更新时间：2024-09-18 17:47:35

品牌：KYOCERA AVX

描述：Data Line Filter, 1 Function(s), 50V, 2A, ROHS COMPLIANT, EIA STD PACKAGE SIZE 0805, 4 PIN

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概述
规格参数
数据手册

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KNH21473-3AA 概述

Data Line Filter, 1 Function(s), 50V, 2A, ROHS COMPLIANT, EIA STD PACKAGE SIZE 0805, 4 PIN 滤波器与EMI/RFI部件数据线路滤波器

KNH21473-3AA 规格参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8504.50.80.00
风险等级：	5.45	电容：	47000 µF
最大直流电阻：	0.02 Ω	滤波器类型：	DATA LINE FILTER
高度：	0.85 mm	长度：	2 mm
安装类型：	SURFACE MOUNT	功能数量：	1
最高工作温度：	85 °C	最低工作温度：	-25 °C
包装方法：	TAPE AND REEL	物理尺寸：	L2.0XB1.25XH0.85 (mm)/L0.079XB0.049XH0.033 (inch)
额定电流：	2 A	额定电压：	50 V
宽度：	1.25 mm	Base Number Matches：	1

KNH21473-3AA 数据手册

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EMI Filters

KNF Series

Features

How to Order

• Distributed constant type LC filter.

Prevents ringing caused by circuit

impedance.

KNF 21 050 - W 3

①

②

③

④ ⑤

Suitable for high speed digital circuits and

video signal lines.

• Stable noise attenuation over wide

frequency ranges.

• Low profile (T=0.95mm max.) suitable for

miniature electronic equipments.

• First class auto-placement

①Series

②Size

EIA

:0805

(EIAJ)

(2012)

③Frequency

025

050

25MHz

50MHz

200

400

200MHz

400MHz

100

100MHz

Applications

• PCs, Laser Printers, Cellular Phone, Clock

④Taping Direction (See Fig 1)

W: Standard

RoHS Compliant

⑤Quantity per Reel

Data Lines for LCD Display

• High Speed Video Signal Circuits and

Interface Circuits

3000pcs.

• High Speed Digital Circuits

• Anti-Noise Solution

Achieves Effective Noise Suppression in

Noisy High Speed Circuits without Signal

Waveform Distortion

Dimensions

(Unit : mm)

Specifications

Cut off

Freq.

(MHz)

Capacitance

(+50/-20%)

(pF)

20dB Attenuation

(Typical)

Rated

Part Number

current(mA) voltage(VDC)

KNF21025

KNF21050

KNF21100

KNF21200

KNF21400

25MHz

50MHz

235pF

130pF

65pF

33pF

17pF

200– 600MHz

350– 850MHz

450– 950MHz

700–1200MHz

900–1400MHz

OUT

Input Direction Mark

100MHz

200MHz

400MHz

150mA

25VDC

KNF21

2.00.2

1.250.2

0.80.15

0.40.3

Cut off Frequency at Attenuation typical 3dB, max. 6dB

Operating Temperature: -25 to 85(°C)

Frequency Characteristics

KNF21 Series

OUT

-10

KNF21025

-20

-30

-40

-50

KNF21050

KNF21100

KNF21200

KNF21400

GND

100

1000

10000

Equivalent Circuit

Frequency(MHz)

- 17 -

EMI Filters

KNF Series

Output Waveform (Clock frequency 25MHz)

•

Stable attenuation against impedance change

LC filter

KNF21100

• Good impedance matching without ringing

on distortion even at the time of IC ON/OFF

and pattern layout change

1M

Test circuit

LVC74

LVC04

filter

25MHz

300

Test point

Excellent Impedance Matching

KNF series

LC filter

No filter

Output waveform

• Wide attenuation up to high frequency range

without distortion

Wide Attenuation Bandwidth

KNF21100

LC Filter (T-Type)

120

100

120

100

Test Circuit

Original

Filter passed

LVC74

filter

Filter passed

50mm

25MHz

25 125 225 325 425 525 625 725 825 925

Frequency(MHz)

25 125 225 325 425 525 625 725 825 925

Frequency(MHz)

Test point

Recommended Land Pattern

(Unit : mm)

Packaging Specification (Fig.1)

• Taping (3,000/reel)

(Unit : mm)

Through Hole

Resist

Taping Direction(W)

W(Standard)

4.0

Conductor

Resist

Direction of Feed

KNF21 3.20 2.30 1.00 1.20 0.80 0.40 0.60 0.3-0.4 2.00

- 18 -

EMI Filters

KNH Series

How to Order

Features

• 0805 Size. Rated current up to 2A.

• Effective for filtering noise on power (Vcc)

lines.

KNH 21 104 - 3 AA

①

②

③

④ ⑤

①Series

②Size

21:

EIA

0805

(EIAJ)

(2012)

Applications

• PCs, Laser Printers, Cellular Phone,

Power/Signal Lines for LCD Display, Office

Equipments

• AV Power Supply/Signal Line, TV, VCR, etc.

• High Current Signal Lines

③Capacitance Value

104

473

471

221

100nF

47nF

101

470

220

100pF

47pF

22pF

470pF

220pF

Pb Free

RoHS Compliant

④Quantity per Reel

3000pcs.

⑤Code (AA : STD)

Dimensions

(Unit : mm)

Specifications

Capacitance

Value(pF)

(+50/-20%)

Rated Current Rated Voltage Direct-current

KNH21

2.00.2

Type

(A)

2.0

1.0

(VDC)

resistance()

KNH21104

KNH21473

KNH21471

KNH21221

KNH21101

KNH21470

KNH21220

100,000

47,000

470

0.02

1.250.2

0.850.15

0.400.30

IN/OUT

0.08

220

0.08

100

0.08

Operating Temperature: -25 to 85(°C)

Attenuation Characteristics

Recommended Land Pattern (Unit : mm)

Packaging specifications

• Taping (3000/reel)

(Unit : mm)

Through Hole

0.3–0.4

Resist

-10

KNH21471

KNH21221

-20

0.40

KNH21101

-30

KNH21470

KNH21220

-40

-50

-60

-70

KNH21104

KNH21473

0.80

100

1000

10000

4.0

1.20

Frequency(MHz)

Conductor

Resist

3.20

Attenuation Effect of Power Supply Noise

•

Wide attenuation range including surrounding

circuit.

KNH series

LC filter

Test Circuit

Original

VDD(3.3V)

Filter passed

filter

Filter passed

LVC74

25MHz

25 125 225 325 425 525 625 725 825 925

FREQ(MHz)

25 125 225 325 425 525 625 725 825 925

FREQ(MHz)

Test point

- 21 -

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