Surface Mount Zener Diode luJing MMSZ5246B Featuring Clear Polarity Marking and Epoxy Encapsulation

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Product Description

Product Overview

The MMSZ5221B~MMSZ5267B series are surface mount Zener diodes designed for high stability and reliability. These diodes offer a wide Zener voltage range from 2.1V to 67V and feature a peak pulse power dissipation of 500mW. Their small outline plastic package and clear polarity marking make them suitable for various electronic applications.

Product Attributes

Brand: Lujingsemi (implied by URL)
Package Type: SOD-80 (Small Outline Plastic Package)
Mounting Type: Surface Mount
Polarity: Color band denotes cathode end
Encapsulation Material: Epoxy
Compliance: UL 94V-0

Technical Specifications

MMSZ5221B~MMSZ5267B Series
Parameter	Symbol	Min	Max	Unit	Notes
Zener Voltage	Vz	2.1	67	V	at I_Z=5mA (unless otherwise specified)
Reverse Leakage	I_R	-	1	µA	at V_R=2.1V (for V_Z up to 10V)
Reverse Leakage	I_R	-	1	µA	at V_R=3.3V (for V_Z > 10V)
Forward Voltage	V_F	-	0.9	V	at I_F=10mA
Peak Pulse Power Dissipation	P_D	-	500	mW	for forward
Thermal Resistance, Junction to Ambient	R_θJA	-	300	°C/W	Device mounted on ceramic PCB 7.6mm x 9.4mm x 0.87mm with pad areas 25mm²
Thermal Resistance, Junction to Lead	R_θJL	-	60	°C/W	Short duration test pulse used to minimize self-heating effect.
Storage Temperature Range	T_S	-65	+175	°C	f = 1kHz.
Dimensions (L x W)	Unit: mm	3.55	3.85	mm	Body
Dimensions (L x W)	Unit: mm	2.55	2.85	mm	Body
Dimensions (H)	Unit: mm	0.90	1.15	mm	Body
Dimensions (Lead Dia.)	Unit: mm	0.45	0.55	mm	Lead
Dimensions (Lead Length)	Unit: mm	0.02	0.10	mm	Lead