BZM5249A datasheet, PDF - EEWORLD Datasheet

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BZM5249A: DescriptionZener Diode, 19V V(Z), 3%, 0.5W, Silicon, Unidirectional, GLASS, MICROMELF-2; CategoryDiscrete semiconductor diode; File Size79KB，3 Pages; ManufacturerPromax-Johnton Electronic Corporation

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BZM5249A Overview

Zener Diode, 19V V(Z), 3%, 0.5W, Silicon, Unidirectional, GLASS, MICROMELF-2

BZM5249A Parametric

Parameter Name	Attribute value
Maker	Promax-Johnton Electronic Corporation
Parts packaging code	MELF
package instruction	O-LELF-R2
Contacts	2
Reach Compliance Code	unknown
ECCN code	EAR99
Shell connection	ISOLATED
Configuration	SINGLE
Diode component materials	SILICON
Diode type	ZENER DIODE
JESD-30 code	O-LELF-R2
Number of components	1
Number of terminals	2
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	19 V
surface mount	YES
technology	ZENER
Terminal form	WRAP AROUND
Terminal location	END
Maximum voltage tolerance	3%
Working test current	6.6 mA

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DATA SHEET

BZM5221B SERIES

SURFACE MOUNT ZENER DIODES

VOLTAGE

2.4 to 47 Volts

POWER

500 mWatts

MICRO-MELF

Unit : inch (mm)

FEATURES

• Planar Die construction

• 500mW Power Dissipation

• Ideally Suited for Automated Assembly Processes

.049(1.25)

.047(1.2)DIA.

MECHANICAL DATA

• Case: Molded Glass MICRO-MELF

• Terminals: Solderable per MIL-STD-202E, Method 208

• Polarity: See Diagram Below

• Approx. Weight: 0.01 grams

• Mounting Position: Any

• Packing information

T/R - 2.5K per 7" plastic Reel

.043(1.1)

.008(0.2)

.079(2.0)

.071(1.8)

.008(0.2)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Parameter

Power Dissipation at Tamb = 25

Junction Temperature

Storage Temperature Range

Symbol

Value

500

175

-65 to +175

Units

TOT

Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.

Parameter

Thermal Resi stance Juncti on to Ambi ent Ai r

Forward Voltage at IF = 100mA

Symbol

Min.

Typ.

Max.

0.3

Uni ts

K/mW

RthA

Vali d provi ded that leads at a di stance of 10mm from case are kept at ambi ent temperature.

STAD-JAN.27.2004

PAGE . 1

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