1N978TR

更新时间： 2024-11-06 13:00:07

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
Zener Diode

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技术参数
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1N978TR 技术参数

是否Rohs认证：	不符合	生命周期：	Active
零件包装代码：	DO-7	针数：	2
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8541.10.00.50	风险等级：	5.44
Is Samacsys：	N	二极管类型：	ZENER DIODE
JESD-609代码：	e0	端子面层：	TIN LEAD
Base Number Matches：	1

1N978TR 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1N978TR相关器件

型号	品牌	获取价格	描述	数据表
1N979	MICROSEMI	获取价格	Silicon 500 mW Zener Diodes
1N979	NJSEMI	获取价格	Diode Zener Single 56V 20% 500mW 2-Pin DO-35
1N979-1TR	MICROSEMI	获取价格	Zener Diode
1N979A	MICROSEMI	获取价格	METALLURGICALLY BONDED DOUBLE PLUG CONSTRUCTION
1N979A	NJSEMI	获取价格	Diode Zener Single 56V 10% 500mW 2-Pin DO-35
1N979A	GOOD-ARK	获取价格	0.5W SILICON ZENER DIODES
1N979A	LRC	获取价格	1N9 SERIES ZENER DIODES
1N979A(DO7)	MICROSEMI	获取价格	Zener Diode, 56V V(Z), 10%, 0.4W, Silicon, Unidirectional, DO-7, DO-7, 2 PIN
1N979A-1E3TR	MICROSEMI	获取价格	Zener Diode, 56V V(Z), 10%, 0.417W, Silicon, Unidirectional, DO-204AA, HERMETIC SEALED, GL
1N979A-1TR	MICROSEMI	获取价格	Zener Diode, 56V V(Z), 10%, 0.417W, Silicon, Unidirectional, DO-204AA, HERMETIC SEALED, GL

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