CDLL5524C/TR Equivalent & Substitute Parts Reference

Part Overview

The CDLL5524C/TR, manufactured by Microchip Technology, is a surface mount Zener diode categorized under Diodes, Zener. It offers a nominal Zener voltage of 5.6 V, a maximum power dissipation of 500 mW, and is supplied in a DO-213AA package with tape & reel packaging. Its tolerance is specified at ±2%, with a maximum Zener impedance of 30 Ohms. The part is currently listed as Active and is REACH unaffected. Finding alternative models may be necessary in scenarios involving inventory constraints, second sourcing, or supply chain continuity requirements.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	Packaging	Description	Voltage - Zener (Nom) (Vz)	Tolerance	Power - Max	Impedance (Max) (Zzt)	Current - Reverse Leakage @ Vr	Voltage - Forward (Vf) (Max) @ If	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package	REACH Status	ECCN	HTSUS	Product Status
CDLL5524C/TR	Microchip Technology	Diodes, Zener	Tape & Reel (TR)	Zener Diode 5.6 V 500 mW ±2% Surface Mount DO-213AA	5.6 V	±2%	500 mW	30 Ohms	2 µA @ 3.5 V	1.1 V @ 200 mA	-65°C ~ 175°C (TJ)	Surface Mount	DO-213AA	DO-213AA	REACH Unaffected	EAR99	8541.10.0050	Active

Substitute Part Grouping Explanation

Substitute selection for Zener diodes in this category is strictly governed by the following allowed electrical and mechanical parameters:

Zener Voltage (Vz)
Tolerance
Power Dissipation (Pmax)
Zener Impedance (Zzt)
Reverse Leakage Current at specified test voltage
Forward Voltage at specified forward current
Operating Temperature Range
Mounting Type
Package / Case Only substitute parts matching or exceeding these specified parameters and listed under the same product category may be considered valid equivalents.

Parameter Comparison

Manufacturer Part Number	Voltage - Zener (Nom) (Vz)	Tolerance	Power - Max	Impedance (Max) (Zzt)	Current - Reverse Leakage @ Vr	Voltage - Forward (Vf) (Max) @ If	Operating Temperature	Mounting Type	Package / Case	Product Status
CDLL5524C/TR	5.6 V	±2%	500 mW	30 Ohms	2 µA @ 3.5 V	1.1 V @ 200 mA	-65°C ~ 175°C (TJ)	Surface Mount	DO-213AA	Active

Engineering Selection Recommendations

The CDLL5524C/TR is an active product with REACH unaffected status. Selection of substitute Zener diodes should be based solely on product status and compliance information directly provided in the part’s documentation. All required certifications and compliance declarations must be matched as seen in the original part.

Frequently Asked Questions (FAQ)

Q: What are the most critical parameters when selecting a substitute for the CDLL5524C/TR Zener diode?
A: Substitution must be based on Zener voltage, voltage tolerance, power dissipation, Zener impedance, reverse leakage current, forward voltage at specified test current, operating temperature range, mounting type, and package.

Q: Is package compatibility essential when choosing a substitute?
A: Yes, the substitute's package and supplier device package must match the DO-213AA format to ensure mechanical and assembly compatibility.

Q: Are there any certified parametric equivalent or substitute parts for the CDLL5524C/TR?
A: No parametric equivalents or substitutes have been identified for the CDLL5524C/TR based on the explicit allowed parameters provided.

Q: Does compliance status affect substitute validity?
A: Yes, the substitute part must have the same compliance declarations (e.g., REACH unaffected, ECCN, and HTSUS) as specified for the CDLL5524C/TR.

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