1N978BRL datasheet, PDF - EEWORLD Datasheet

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1N978BRL: Description51V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH, HERMETIC SEALED, GLASS, DO-35, 2 PIN; CategoryDiscrete semiconductor diode; File Size75KB，12 Pages; ManufacturerON Semiconductor; Websitehttp://www.onsemi.cn

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1N978BRL Overview

51V, 0.5W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH, HERMETIC SEALED, GLASS, DO-35, 2 PIN

1N978BRL Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Parts packaging code	DO-35
package instruction	HERMETIC SEALED, GLASS, DO-35, 2 PIN
Contacts	2
Reach Compliance Code	_compli
ECCN code	EAR99
Other features	METALLURGICALLY BONDED
Shell connection	ISOLATED
Configuration	SINGLE
Diode component materials	SILICON
Diode type	ZENER DIODE
Maximum dynamic impedance	125 Ω
JEDEC-95 code	DO-204AH
JESD-30 code	O-LALF-W2
JESD-609 code	e0
Number of components	1
Number of terminals	2
Maximum operating temperature	200 °C
Package body material	GLASS
Package shape	ROUND
Package form	LONG FORM
polarity	UNIDIRECTIONAL
Maximum power dissipation	0.5 W
Certification status	Not Qualified
Nominal reference voltage	51 V
surface mount	NO
technology	ZENER
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	WIRE
Terminal location	AXIAL
Maximum voltage tolerance	5%
Working test current	2.5 mA
Base Number Matches	1

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1N957B Series

500 mW DO-35 Hermetically

Sealed Glass Zener Voltage

Regulators

This is a complete series of 500 mW Zener diodes with limits and

excellent operating characteristics that reflect the superior capabilities

of silicon–oxide passivated junctions. All this in an axial–lead

hermetically sealed glass package that offers protection in all common

environmental conditions.

Specification Features:

http://onsemi.com

Cathode

Anode

•

Zener Voltage Range – 6.8 V to 75 V

•

ESD Rating of Class 3 (>16 KV) per Human Body Model

•

DO–204AH (DO–35) Package – Smaller than Conventional

DO–204AA Package

•

Double Slug Type Construction

•

Metallurgical Bonded Construction

Mechanical Characteristics:

CASE:

Double slug type, hermetically sealed glass

FINISH:

All external surfaces are corrosion resistant and leads are

AXIAL LEAD

CASE 299

GLASS

MARKING DIAGRAM

YWW

readily solderable

MAXIMUM LEAD TEMPERATURE FOR SOLDERING PURPOSES:

230°C, 1/16″ from the case for 10 seconds

POLARITY:

Cathode indicated by polarity band

MOUNTING POSITION:

Any

MAXIMUM RATINGS

(Note 1.)

Rating

Max. Steady State Power Dissipation

@ T

≤

75°C, Lead Length = 3/8″

Derate above 75°C

Operating and Storage

Temperature Range

Symbol

Value

500

4.0

, T

stg

–65 to

+200

Unit

mW/°C

°C

= Assembly Location

1N9xxB = Device Code

(See Table Next Page)

= Year

= Work Week

ORDERING INFORMATION

Device

1N9xxB

1N9xxBRL

1N9xxBRL2 *

1N9xxBRA1

1N9xxBTA

1N9xxBTA2 *

1N9xxBRR1

{

1N9xxBRR2

}

{

}

Package

Axial Lead

Shipping

3000 Units/Box

5000/Tape & Reel

3000/Ammo Pack

5000/Ammo Pack

5000/Tape & Reel

3000/Tape & Reel

1. Some part number series have lower JEDEC registered ratings.

* The “2” suffix refers to 26 mm tape spacing.

Polarity band

with cathode lead off first

Polarity band

down

with cathode lead off first

Semiconductor Components Industries, LLC, 2001

May, 2001 – Rev. 1

Publication Order Number:

1N957B/D

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