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产品型号0429007.WRM的概述

芯片0429007.WRM的概述 0429007.WRM是一款广泛应用于电子设备中的集成电路芯片。其设计旨在满足对高性能与低功耗需求日益增长的市场，具有多种功能，如数据处理、信号传输与控制等。这款芯片特别适用于通信、消费电子及工业自动化等领域。0429007.WRM凭借其高集成度与灵活性，成为许多设备的重要组成部分。芯片0429007.WRM的详细参数 0429007.WRM的参数表列出了其核心功能性和电气特性。其中主要的参数包括： 1. 工作电压：该芯片的工作电压范围通常为3.3V至5V，使其能够在多种应用场景中稳定运行。 2. 工作频率：其频率范围可达1GHz，适合高频信号处理。 3. 功耗：在典型工作条件下，其功耗约为100mW，这意味着它既能提供所需的性能，又能在电池供电的设备中保持较长的续航时间。 4. 输入/输出引脚：该芯片设计了多达16个输入/输出引脚，能够支持多种接口...

产品型号0429007.WRM的Datasheet PDF文件预览

Surface Mount Fuses

Thin Film > 1206 Size > Very Fast-Acting > 429 Series

429 Series Fuse

Description

The 429 Series Fast-Acting SMF is a small (1206 size) thin-

ﬁlm device designed for secondary protection of circuits

used in space constrained applications such as hand-held

portable electronic devices.

This series is Halogen-Free, Lead-Free and meets the

requirements of the RoHS directive.

Features

•ꢀ RoHSꢀcompliantꢀandꢀ

Lead-Free 7A device

available-add ‘L’ sufﬁx

to part number.

•ꢀ For new designs up

to 5A please consult

the 433 or 466 Series

Agency Approvals

Agency

Agency File number

e10480

Ampere rAnge

•ꢀ Halogen-Freeꢀ7Aꢀ

device available-add

‘HF’ sufﬁx to the part

number

lr29862

Applications

Electrical Characteristics for Series

Secondary protection for space constrained applications

such as:

% of Aꢀꢁꢂꢃꢂ

OꢁꢂꢅꢄꢅꢆTꢄꢀꢂ at 25^Oc

4 hours, Minimum

ratꢄꢅꢆ

•ꢀ Cellꢀphones

•ꢀ DVDꢀplayers

100%

•ꢀ Batteryꢀpacks

•ꢀ Digitalꢀcameras

•ꢀ Hardꢀdiskꢀdrives.

200%

300%

5 sec., Maximum

0.2 sec., Maximum

Electrical Speciﬁcations by Item

max

Aꢆꢂꢅꢉꢊ

Aꢁꢁꢃovaꢇs

Aꢀꢁꢂꢃꢂ

ratꢄꢅꢆ

(A)

noꢀꢄꢅaꢇ coꢇd

rꢂsꢄstaꢅꢉꢂ

(Ohꢀs)

noꢀꢄꢅaꢇ

mꢂꢇtꢄꢅꢆ

Aꢀꢁ

codꢂ

Voꢇtaꢆꢂ

ratꢄꢅꢆ

(V)

iꢅtꢂꢃꢃꢈꢁtꢄꢅꢆ

ratꢄꢅꢆ

i²t (A²sꢂꢉ)

35 amperes

@ voltage, VAC/VDC

7.00

007.

0.00925

3.6000

1. Measured at 10% of rated current, 25ºC.

2. Measured at rated voltage.

429 Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/429.html for current information.

Revised: Jun 16 , 2011

Surface Mount Fuses

Introduction to Circuit Protection

Transientology

Thin Film > 1206 Size > Very Fast-Acting > 429 Series

Temperature Rerating Curve

AverageTime Current Curves

100

0.1

0.01

Note:

1. Derating depicted in this curve is in addition to the standard derating of 25% for

continuous operation.

Example:

For continuous operation at 70 degrees celsius, the fuse should be deratedas follows:

I = (0.75)(0.80)I_RAT= (0.60)I_RAT

0.001

0.1

100

2. The temperature derating curve represents the nominal conditions. For questions

about temperature derating curve, please consult Littelfuse technical support

for assistance.

CURRENTINAMPERES

Soldering Parameters

t_P

rꢂﬂow coꢅdꢄtꢄoꢅ

-Tꢂꢀꢁꢂꢃatꢈꢃꢂ mꢄꢅ (T_s(ꢀꢄꢅ)

Pb – Free assembly

T_P

Critical Zone

_Lto T_P

Ramp-up

)

150°C

T_L

T_S(max)

pꢃꢂ Hꢂat -Tꢂꢀꢁꢂꢃatꢈꢃꢂ max (T_s(ꢀax)

)

200°C

t_L

-Tꢄꢀꢂ (mꢄꢅ to max) (t_s)

60 – 180 secs

Ramp-down

Avꢂꢃaꢆꢂ ꢃaꢀꢁ ꢈꢁ ꢃatꢂ (lꢄqꢈꢄdꢈsTꢂꢀꢁ

(T_l) to ꢁꢂak

Preheat

5°C/second max

T_S(min)

t_S

T_S(ꢀax)toT_l- raꢀꢁ-ꢈꢁ ratꢂ

5°C/second max

217°C

-Tꢂꢀꢁꢂꢃatꢈꢃꢂ (T_l) (lꢄqꢈꢄdꢈs)

rꢂﬂow

time to peak temperature

(t 25ºC to peak)

-Tꢂꢀꢁꢂꢃatꢈꢃꢂ (t_l)

60 – 150 seconds

250^+0/-5°C

Time

pꢂakTꢂꢀꢁꢂꢃatꢈꢃꢂ (T_p)

Tꢄꢀꢂ wꢄthꢄꢅ 5°c of aꢉtꢈaꢇ ꢁꢂak

Tꢂꢀꢁꢂꢃatꢈꢃꢂ (t_ꢁ)

20 – 40 seconds

raꢀꢁ-dowꢅ ratꢂ

5°C/second max

8 minutes Max.

260°C

Tꢄꢀꢂ 25°c to ꢁꢂakTꢂꢀꢁꢂꢃatꢈꢃꢂ (T_p)

Do ꢅot ꢂxꢉꢂꢂd

Wavꢂ Soꢇdꢂꢃꢄꢅꢆ

260°C, 10 seconds max.

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/429.html for current information.

429 Series

Surface Mount Fuses

Thin Film > 1206 Size > Very Fast-Acting > 429 Series

Product Characteristics

MIL-STD-202F,ꢀMethodꢀ103Bꢀ

Body: Epoxy Substrate

Terminations, RoHS Compliant Device (429L):

100%ꢀTinꢀoverꢀNickelꢀoverꢀCopper

Element Cover Coat: Conformal Coating

NOTE: Do not use alcohol-based cleaners or

solvents with 429 SeriesThin-Film Fuses as it

may damage the coating.

Humidity

Vibration

Condition D

Withstands 10 – 55 Hz per MIL-STD-

202F, Method 201A and 10-2000 Hz

at 20 G’s per MIL-STD-202F, Method

204D, Condition D.

Materials

Insulation Resistance

(After Opening)

Greater than 10,000 ohms

– 55^OC to 90^OC.

Operating

Temperature

Consult temperature rerating chart.

For operation above 90°C contact Littelfuse.

Resistance to

Soldering Heat

MIL-STD-202G, Method 210F,

Condition D

Thermal Shock Withstands 5 cycles of – 55^OC to 125^OC

Dimensions

Part Marking System

RECOMMENDED PAD LAYOUTS

maꢃkꢄꢅꢆ

Sꢂꢃꢄꢂs

codꢂ

3.18

(.125")

429L

1.52

(.060")

1.52

(.060")

3.81

(.150")

Part Numbering System

1.14

(.045")

2.49(.098")

REF.

1.12

2.03

(.080")

(.044")

REF.

0429 007. WRM L HF

REFLOW SOLDER

1.14

(.045")

SERIES

AMP Code

.635

(.025")

Refer to Amp Code Column of

Electrical characteristics table

QꢀANTITꢁ Code

WRM = 3000 pieces, Tape and Reel

L = Lead-Free device and

RoHS compliant device

Halogen-Free item

Packaging

Qꢈaꢅtꢄtꢊ &

paꢉkaꢆꢄꢅꢆ codꢂ

paꢉkaꢆꢄꢅꢆ Oꢁtꢄoꢅ

paꢉkaꢆꢄꢅꢆ Sꢁꢂꢉꢄﬁꢉatꢄoꢅ

Qꢈaꢅtꢄtꢊ

Tape & Reel – 8mm tape

EIA-481 Rev. D (IEC 60286, part 3)

3000

WRM

429 Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/429.html for current information.

0429007.WRM相关文章

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0429007.WRML产品参数

型号:	0429007.WRML
是否无铅：	不含铅
是否Rohs认证：	符合
生命周期：	Active
IHS 制造商：	LITTELFUSE INC
包装说明：	HALOGEN FREE AND ROHS COMPLIANT
Reach Compliance Code：	compliant
ECCN代码：	EAR99
HTS代码：	8536.10.00.40
风险等级：	1.19
Is Samacsys：	N
其他特性：	RATED BREAKING CAPACITY AT 24 VDC: 35 A
熔断特性：	VERY FAST
主体宽度：	1.52 mm
主体高度：	1.14 mm
主体长度或直径：	3.18 mm
电路保护类型：	ELECTRIC FUSE
保险丝尺寸：	1206
JESD-609代码：	e3
焦耳积分标称：	3 J
安装特点：	SURFACE MOUNT
最高工作温度：	90 °C
最低工作温度：	-55 °C
包装方法：	TAPE AND REEL
物理尺寸：	3.18mm x 1.52mm x 1.14mm
预放电的额定值：	3.6 A2/s
额定分断能力：	35 A
额定电流：	7 A
额定电压：	24 V
额定电压（交流）：	24 V
额定电压（直流）：	24 V
参考标准：	CSA; UL
表面贴装：	YES
端子面层：	Tin (Sn) - with Nickel (Ni) barrier
端子形状：	WRAPAROUND
断开时间或延迟：	14400 s
Base Number Matches：	1

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