ZMM5257A-T/R datasheet, PDF - EEWORLD Datasheet

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ZMM5257A-T/R: DescriptionZener Diode, 33V V(Z), 3%, 0.5W, Silicon, Unidirectional, GLASS, MINIMELF-2; CategoryDiscrete semiconductor diode; File Size60KB，3 Pages; ManufacturerPromax-Johnton Electronic Corporation

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ZMM5257A-T/R Overview

Zener Diode, 33V V(Z), 3%, 0.5W, Silicon, Unidirectional, GLASS, MINIMELF-2

ZMM5257A-T/R Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
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
JESD-609 code	e0
Number of components	1
Number of terminals	2
Package body material	GLASS
Package shape	ROUND
Package form	LONG FORM
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
polarity	UNIDIRECTIONAL
Maximum power dissipation	0.5 W
Certification status	Not Qualified
Nominal reference voltage	33 V
surface mount	YES
technology	ZENER
Terminal surface	TIN LEAD
Terminal form	WRAP AROUND
Terminal location	END
Maximum time at peak reflow temperature	NOT SPECIFIED
Maximum voltage tolerance	3%
Working test current	3.8 mA
Base Number Matches	1

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DATA SHEET

ZMM5221B SERIES

SURFACE MOUNT ZENER DIODES

VOLTAGE

2.4 to 47 Volts

POWER

500 mWatts

MINI-MELF/LL-34

Unit : inch (mm)

FEATURES

• Planar Die construction

• 500mW Power Dissipation

• Ideally Suited for Automated Assembly Processes

.063(1.6)

• Both normal and Pb free product are available :

Normal : 80~95% Sn, 5~20% Pb

Pb free: 98.5% Sn above

.020(0.5)

.012(0.3)

.020(0.5)

.012(0.3)

.146(3.7)

.130(3.3)

MECHANICAL DATA

• Case: Molded Glass MINI-MELF

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

• Polarity: See Diagram Below

• Approx. Weight: 0.03 grams

• Mounting Position: Any

• Packing information

T/R - 2.5K per 7" plastic Reel

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

P ar m et r

P ow erD i si aton atTam b = 25

s p i

Juncton Tem per t r

aue

S t r ge Tem per t r R ange

aue

Vald pr vi ed t atl ads ata di t nce of10m m fom case ar keptatam bi ntt m per t r .

i o d

h e

e e

aue

S ym bol

Val e

500

175

- 5 t +175

6 o

U nis

TO T

P ar m et r

Ther alR esi t nce Juncton t A m bi ntA i

i o

For ar Volage atI = 200m A

w d

S ym bol

M i.

Typ.

M ax.

U nis

K/ W

Rt A

Vald pr vi ed t atl ads ata di t nce of10m m fom case ar keptatam bi ntt m per t r .

i o d

h e

e e

aue

STAD-JUL.21.2004

.055(1.4)DIA.

PAGE . 1

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