Datasheet > 1N749-1E3TR

1N749-1E3TR

更新时间： 2024-11-04 21:03:23

品牌	Logo	应用领域
美高森美 - MICROSEMI		测试二极管
页数	文件大小	规格书
3页	167K
描述
Zener Diode, 4.3V V(Z), 10%, 0.48W, Silicon, Unidirectional, DO-204AH, HERMETIC SEALED, GLASS, DO-35, 2 PIN

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技术参数
数据手册

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1N749-1E3TR 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	DO-35
包装说明：	O-LALF-W2	针数：	2
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8541.10.00.50	风险等级：	5.03
Is Samacsys：	N	其他特性：	METALLURGICALLY BONDED
外壳连接：	ISOLATED	配置：	SINGLE
二极管元件材料：	SILICON	二极管类型：	ZENER DIODE
JEDEC-95代码：	DO-204AH	JESD-30 代码：	O-LALF-W2
JESD-609代码：	e3	元件数量：	1
端子数量：	2	封装主体材料：	GLASS
封装形状：	ROUND	封装形式：	LONG FORM
峰值回流温度（摄氏度）：	NOT SPECIFIED	极性：	UNIDIRECTIONAL
最大功率耗散：	0.48 W	认证状态：	Not Qualified
标称参考电压：	4.3 V	表面贴装：	NO
技术：	ZENER	端子面层：	MATTE TIN
端子形式：	WIRE	端子位置：	AXIAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	最大电压容差：	10%
工作测试电流：	20 mA	Base Number Matches：	1

1N749-1E3TR 数据手册

1N746 thru 1N759A, -1, e3 and

1N4370 thru 1N4372A, -1, e3 DO-35

Silicon 500 mW Zener Diodes

S C O T T S D A L E D I V I S I O N

DESCRIPTION

APPEARANCE

The popular 1N746 thru 1N759A and 1N4370 thru 1N4372A series of 0.5

watt Zener Voltage Regulators provides a selection from 2.4 to 12 volts in

standard 5% or 10% tolerances as well as tighter tolerances identified by

different suffix letters on the part number. These glass axial-leaded DO-35

Zeners are also available with an internal-metallurgical-bond option by

adding a “-1” suffix as well as RoHS Compliant by adding an “e3” suffix.

Microsemi also offers numerous other Zener products to meet higher and

lower power applications.

DO-35

(DO-204AH)

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

FEATURES

APPLICATIONS / BENEFITS

• JEDEC registered 1N746 thru 1N759A and 1N4370

•

Regulates voltage over a broad operating

current and temperature range

thru 1N4372A series

• Internal metallurgical bond option available by adding a

•

Selection from 2.4 to 12 V

“-1” suffix similar to military devices

Standard voltage tolerances are plus/minus 5%

with A suffix identification and 10 % with no suffix

Tight tolerances available in plus or minus 2%

or 1% with C or D suffix respectively

Flexible axial-lead mounting terminals

• Commercial Surface Mount equivalents available as

MLL746 to MLL759A and MLL4370 to MLL4372A

including the “-1” suffix in the DO-213AA MELF style

package (consult factory for others)

•

• RoHS Compliant devices available by adding “e3” suffix

Nonsensitive to ESD per MIL-STD-750 Method

1020

• DO-7 glass body axial-leaded Zener equivalents are

also available

•

Minimal capacitance (see Figure 3)

Inherently radiation hard as described in Microsemi

MicroNote 050

MAXIMUM RATINGS

MECHANICAL AND PACKAGING

• Operating and Storage temperature: -65^ºC to +175^ºC

•

CASE: Hermetically sealed axial-lead glass

DO-35 (DO-204AH) package

• Thermal Resistance: 250 ^ºC/W junction to lead at 3/8

(10 mm) lead length from body, or 310^ºC/W junction to

ambient when mounted on FR4 PC board (1 oz Cu)

with 4 mm²copper pads and track width 1 mm, length

25 mm

• Steady-State Power: 0.5 watts at T_L< 50^oC 3/8 inch

(10 mm) from body or 0.48 W at T_A< 25^ºC when

mounted on FR4 PC board as described for thermal

resistance above (also see Figure1)

•

TERMINALS: Tin-Lead or RoHS Compliant

annealed matte-Tin plating solderable per MIL-

STD-750, method 2026

•

POLARITY: Cathode indicated by band. Diode to

be operated with the banded end positive with

respect to the opposite end for Zener regulation

•

MARKING: Part number

TAPE & REEL option: Standard per EIA-296 (add

“TR” suffix to part number)

• Forward voltage @200 mA: 1.1 volts

• Solder Temperatures: 260 ^ºC for 10 s (max)

•

WEIGHT: 0.2 grams

See package dimensions on last page

10-18-2005 REV C

Microsemi

Page 1

Scottsdale Division

8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503

12 3

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与1N749-1E3TR相关器件

型号	品牌	获取价格	描述	数据表
1N749A	VISHAY	获取价格	ZENER DIODES
1N749A	FAIRCHILD	获取价格	Half Watt Zeners
1N749A	MICROSEMI	获取价格	SILICON 400 mW ZENER DIODES
1N749A	LRC	获取价格	1N43 1N7 SERIES ZENER DIODES
1N749A	CDI-DIODE	获取价格	DOUBLE PLUG CONSTRUCTION
1N749A	NSC	获取价格	Half Watt Zeners
1N749A	EIC	获取价格	ZENER DIODES
1N749A	TAK_CHEONG	获取价格	500 mW DO-35 Hermetically Sealed Glass Zener Voltage Regulators
1N749A	RFE	获取价格	LEADED (THRU-HOLE) Zener Diodes
1N749A	NJSEMI	获取价格	Diode Zener Single 4.3V 5% 500mW 2-Pin DO-35

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