1N991

更新时间： 2024-10-27 22:34:59

品牌	Logo	应用领域
美高森美 - MICROSEMI		稳压二极管测试
页数	文件大小	规格书
3页	215K
描述
Silicon 500 mW Zener Diodes

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技术参数
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1N991 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	DO-7
包装说明：	HERMETIC SEALED, GLASS, DO-7, 2 PIN	针数：	2
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8541.10.00.50	风险等级：	5.47
外壳连接：	ISOLATED	配置：	SINGLE
二极管元件材料：	SILICON	二极管类型：	ZENER DIODE
最大动态阻抗：	2200 Ω	JEDEC-95代码：	DO-204AA
JESD-30 代码：	O-LALF-W2	JESD-609代码：	e0
膝阻抗最大值：	7100 Ω	湿度敏感等级：	1
元件数量：	1	端子数量：	2
最高工作温度：	175 °C	最低工作温度：	-65 °C
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：	0.417 W
认证状态：	Not Qualified	标称参考电压：	180 V
最大反向电流：	5 µA	子类别：	Voltage Reference Diodes
表面贴装：	NO	技术：	ZENER
端子面层：	TIN LEAD	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
电压温度Coeff-Max：	198 mV/ °C	最大电压容差：	20%
工作测试电流：	0.68 mA	Base Number Matches：	1

1N991 数据手册

1N957B, -1 thru 1N992B, -1 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 available with an internal-metallurgical-bond option by adding a “-1”

suffix. The 1N962B-1 thru 1N992B-1 are available in JAN, JANTX, and

JANTXV military qualifications. 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

Extensive selection from 6.8 to 200 V

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

Internal metallurgical bond option available by

adding a “-1” suffix

•

Also available in JAN, JANTX, and JANTXV

qualifications per MIL-PRF-19500/117 by adding the

JAN, JANTX, or JANTXV prefixes to part numbers

for desired level of screening as well as “-1” suffix;

(e.g. JANTX1N962B-1, JANTXV1N986C-1, etc.)

•

Flexible axial-lead mounting terminals

•

Military Surface Mount equivalents also available in

DO-213AA by adding a UR-1 suffix in addition to the

JAN, JANTX, and JANTXV prefix; e.g.

Nonsensitive to ESD per MIL-STD-750 Method

1020

JANTX1N962BUR-1 (see separate data sheet)

•

Minimal capacitance (see Figure 3)

Commercial 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)

Inherently radiation hard as described in

Microsemi MicroNote 050

DO-7 glass body axial-leaded Zener equivalents are

also available

MAXIMUM RATINGS

MECHANICAL AND PACKAGING

• Operating and Storage temperature: -65^ºC to

•

CASE: Hermetically sealed axial-lead glass

+175^ºC

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

TERMINALS: Leads, tin-lead plated 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

• 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)

•

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

•

WEIGHT: 0.2 grams

See package dimensions on last page

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

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

10-31-2003 REV B

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1N991相关器件

型号	品牌	获取价格	描述	数据表
1N991-1E3/TR	MICROSEMI	获取价格	Zener Diode, 180V V(Z), 20%, 0.5W,
1N991-1E3TR	MICROSEMI	获取价格	Zener Diode
1N991A	GOOD-ARK	获取价格	0.5W SILICON ZENER DIODES
1N991A	LRC	获取价格	1N9 SERIES ZENER DIODES
1N991A	MICROSEMI	获取价格	Silicon 500 mW Zener Diodes
1N991A	MOTOROLA	获取价格	180 V, 0.4 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AA
1N991A-1E3	MICROSEMI	获取价格	Zener Diode, 180V V(Z), 10%, 0.417W, Silicon, Unidirectional, DO-204AA, ROHS COMPLIANT, HE
1N991A-1E3TR	MICROSEMI	获取价格	Zener Diode, 180V V(Z), 10%, 0.417W, Silicon, Unidirectional, DO-204AA, HERMETIC SEALED, G
1N991AD7E3	MICROSEMI	获取价格	Zener Diode, 180V V(Z), 10%, 0.4W, Silicon, Unidirectional,
1N991AE3(DO7)	MICROSEMI	获取价格	Zener Diode, 180V V(Z), 10%, 0.4W, Silicon, Unidirectional, DO-7, DO-7, 2 PIN

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