Datasheet > 1N978D-1E3TR

1N978D-1E3TR

更新时间： 2024-11-06 20:44:39

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	177K
描述
Zener Diode

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中文翻译

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技术参数
数据手册

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1N978D-1E3TR 技术参数

是否Rohs认证：	符合	生命周期：	Active
零件包装代码：	DO-7	针数：	2
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8541.10.00.50	风险等级：	5.09
配置：	SINGLE	二极管类型：	ZENER DIODE
最大动态阻抗：	125 Ω	JESD-609代码：	e3
元件数量：	1	最高工作温度：	175 °C
最大功率耗散：	0.5 W	标称参考电压：	51 V
子类别：	Voltage Reference Diodes	表面贴装：	NO
端子面层：	MATTE TIN	最大电压容差：	1%
工作测试电流：	2.5 mA	Base Number Matches：	1

1N978D-1E3TR 数据手册

1N957B, -1 thru 1N992B, -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 1N957B thru 1N992B series of 0.5 watt Zener Voltage

Regulators provides a selection from 6.8 to 200 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 optionally 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 1N957B(-1) to 1N992B(-1) series

•

Regulates voltage over a broad operating

current and temperature range

Internal metallurgical bond option available by adding a

“-1” suffix (similar to military product)

•

Extensive selection from 6.8 to 200 V

•

Surface Mount equivalents available as MLL957B to

MLL992B or with “-1” suffix for bonded in the DO-213AA

MELF style package (consult factory for others)

Standard voltage tolerances are plus/minus 5%

with B suffix, 10 % with A suffix identification

•

Tight tolerances available in plus or minus 2%

or 1% with C or D suffix respectively

•

RoHS Compliant devices available by adding “e3” suffix

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

available

•

Flexible axial-lead mounting terminals

Nonsensitive to ESD per MIL-STD-750 Method

1020

•

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 (Sn/Pb) 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 (maximum) for

1N957B – 1N985B and 1.3 V for 1N985 – 1N992B

•

WEIGHT: 0.2 grams

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

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

中文翻译

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与1N978D-1E3TR相关器件

型号	品牌	获取价格	描述	数据表
1N978D7	MICROSEMI	获取价格	Zener Diode, 51V V(Z), 20%, 0.4W, Silicon, Unidirectional
1N978D7E3	MICROSEMI	获取价格	Zener Diode, 51V V(Z), 20%, 0.4W, Silicon, Unidirectional,
1N978DD7	MICROSEMI	获取价格	Zener Diode, 51V V(Z), 1%, 0.4W, Silicon, Unidirectional
1N978DE3	MICROSEMI	获取价格	Zener Diode, 51V V(Z), 1%, 0.5W, Silicon, Unidirectional, DO-35, HERMETICALLY SEALED, GLAS
1N978DE3/TR	MICROSEMI	获取价格	Zener Diode, 51V V(Z), 2%, 0.417W, Silicon, Unidirectional, DO-204AA, HERMETIC SEALED, GLA
1N978DE3TR	MICROSEMI	获取价格	Zener Diode, 51V V(Z), 2%, 0.417W, Silicon, Unidirectional, DO-204AA, HERMETIC SEALED, GLA
1N978DHR-PBF	DIGITRON	获取价格	Zener Diode, 51V V(Z), 1%, 0.5W, Silicon, Unidirectional, DO-35
1N978DRL	MOTOROLA	获取价格	51V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH, GLASS, CASE 299, DO-
1N978DRL2	MOTOROLA	获取价格	51V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH, GLASS, CASE 299, DO-
1N978DTA	MOTOROLA	获取价格	51V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH, GLASS, CASE 299, DO-

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