Datasheet > 1N957CE3

1N957CE3

更新时间： 2024-11-23 13:17:11

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	175K
描述
Zener Diode, 6.8V V(Z), 2%, 0.5W, Silicon, Unidirectional, DO-35, HERMETICALLY SEALED, GLASS PACKAGE-2

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1N957CE3 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-7
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：	5.07
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	最大动态阻抗：	4.5 Ω
JEDEC-95代码：	DO-35	JESD-30 代码：	O-LALF-W2
膝阻抗最大值：	700 Ω	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：	0.5 W	认证状态：	Not Qualified
标称参考电压：	6.8 V	最大反向电流：	150 µA
子类别：	Voltage Reference Diodes	表面贴装：	NO
技术：	ZENER	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：	3.4 mV/ °C	最大电压容差：	2%
工作测试电流：	18.5 mA	Base Number Matches：	1

1N957CE3 数据手册

1N957B thru 1N992B, e3 DO-7

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

DO-7

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. The somewhat larger DO-7 packaging option offers a “straight-

through” soldered internal connection with a larger active die element than

otherwise provided in the smaller DO-35 package when needed. Microsemi

also offers numerous other Zener products to meet higher and lower power

applications.

(DO-204AA)

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

FEATURES

APPLICATIONS / BENEFITS

•

JEDEC registered 1N957B to 1N992B series

•

Regulates voltage over a broad operating current

and temperature range

Internal metallurgical bonding equivalent to “-1” suffix

identification on other military DO-7 Zeners

•

Extensive selection from 6.8 to 200 V

•

Options for screening in accordance with MIL-PRF-

19500 for JAN, JANTX, JANTXV, and JANS are

available by adding MQ, MX, MV, or MSP prefixes

respectively to part numbers.

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

•

Surface mount equivalents in DO-213AA also

available as MLL957B to MLL992B or with “-1” suffix

(consult factory for other surface mount options)

•

Flexible axial-lead mounting terminals

Nonsensitive to ESD

Capacitance also specified (see Figure 3)

•

RoHS Compliant devices available by adding e3 suffix

Inherently radiation hard as described in

Microsemi MicroNote 050

Smaller DO-35 glass body axial-leaded Zener

equivalents are also available

MAXIMUM RATINGS

MECHANICAL AND PACKAGING

•

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

•

CASE: Hermetically sealed axial-lead glass DO-7

(DO-204AA) package

Thermal Resistance: 300 ^ºC/W junction to lead at 3/8

(10 mm) lead length from body, or 360^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< 25^oC 3/8 inch

(10 mm) from body or 0.417 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 (maximum) for

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

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1N957CE3相关器件

型号	品牌	获取价格	描述	数据表
1N957CE3/TR	MICROSEMI	获取价格	Zener Diode, 6.8V V(Z), 2%, 0.417W, Silicon, Unidirectional, DO-204AA, HERMETIC SEALED, GL
1N957CLEADFREE	CENTRAL	获取价格	Zener Diode, 6.8V V(Z), 2%, 0.5W, Silicon, Unidirectional, DO-35, DO-35, 2 PIN
1N957CRL	MOTOROLA	获取价格	6.8V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH, GLASS, CASE 299, DO
1N957CTA	MOTOROLA	获取价格	6.8V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH, GLASS, CASE 299, DO
1N957CTR	MICROSEMI	获取价格	Zener Diode
1N957D	MICROSEMI	获取价格	METALLURGICALLY BONDED DOUBLE PLUG CONSTRUCTION
1N957D	NJSEMI	获取价格	Diode Zener Single 6.8V 1% 500mW 2-Pin DO-35
1N957D	CDI-DIODE	获取价格	Zener Diode, 6.8V V(Z), 1%, 0.5W, Silicon, Unidirectional, DO-35, HERMETIC SEALED, GLASS P
1N957D	MOTOROLA	获取价格	6.8V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH, GLASS, CASE 299, DO
1N957D	GOOD-ARK	获取价格	0.5W SILICON ZENER DIODES

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