Equivalent & Substitute Parts for LZ52C16WS (Diodes Incorporated)

Part Overview

The LZ52C16WS from Diodes Incorporated is a Zener Diode with a nominal Zener voltage of 16 V, maximum power dissipation of 500 mW, and tight tolerance of ±2%. Configured for surface mount applications in the 1206 (3216 Metric) package, it is designed for voltage regulation and protection circuits. This component is currently marked as "Obsolete," necessitating identification and qualification of alternative models to maintain uninterrupted system designs and inventory replenishment.

Key Parameters

Parameter	LZ52C16WS
Manufacturer	Diodes Incorporated
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	16 V
Tolerance	±2%
Power - Max	500 mW
Impedance (Max) (Zzt)	40 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 12 V
Voltage - Forward (Vf) (Max) @ If	1.5 V @ 200 mA
Operating Temperature	-65°C ~ 175°C (TJ)
Mounting Type	Surface Mount
Package / Case	1206 (3216 Metric)
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8541.10.0050
Part Status	Obsolete

Substitute Part Grouping Explanation

Substitution logic for Zener diodes is strictly based on matching voltage rating (Vz), package type compatibility, mounting method, power rating, tolerance, impedance, reverse leakage characteristics, operating temperature range, and compliance (RoHS, REACH, ECCN, HTSUS). All verified substitute parts listed below align with these allowed electrical and mechanical criteria within the provided input.

Parameter Comparison

Parameter	LZ52C16WS	BZT52C16S-7-F
Manufacturer	Diodes Incorporated	Diodes Incorporated
Category	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	16 V	16 V
Tolerance	±2%	±6%
Power - Max	500 mW	200 mW
Impedance (Max) (Zzt)	40 Ohms	40 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 12 V	100 nA @ 11.2 V
Voltage - Forward (Vf) (Max) @ If	1.5 V @ 200 mA	900 mV @ 10 mA
Operating Temperature	-65°C ~ 175°C (TJ)	-65°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	1206 (3216 Metric)	SC-76, SOD-323
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8541.10.0050	8541.10.0050

Engineering Selection Recommendations

Given that the LZ52C16WS is obsolete, only substitute parts with validated RoHS3 compliance and REACH unaffected status, and matching ECCN/HTSUS codes, should be selected to support ongoing applications or inventory management. Substitute parts must also fulfill surface mount requirements and maintain category consistency as Zener Diodes.

Frequently Asked Questions (FAQ)

Q: What are the main substitution criteria for replacing the LZ52C16WS Zener diode?
A: Substitution is based on matching Zener voltage, power rating, tolerance, reverse leakage current, impedance, package type, mounting method, and regulatory compliance.

Q: Do substitute parts need to have the same package as the original LZ52C16WS?
A: Package and mounting type must match or align with design requirements, as differences can impact assembly compatibility.

Q: Are all substitute diodes RoHS and REACH compliant?
A: Substitute parts are verified as ROHS3 Compliant and REACH Unaffected per the input data.

Q: How do the tolerance and power rating differences affect replacement suitability?
A: Tolerance and power rating must be considered as they impact voltage regulation precision and dissipation capacity. Only input-listed substitutes with defined parameters are qualified.

Q: Is it required to match the ECCN and HTSUS codes when substituting Zener diodes?
A: Substitute parts maintain identical ECCN and HTSUS codes according to the provided specifications.

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