BZX884S-C33YL Equivalent & Substitute Parts

Part Overview

The BZX884S-C33YL is a 33 V Zener diode manufactured by Nexperia USA Inc., rated for 365 mW maximum power dissipation in a surface mount SOD-882 package. This component is classified as obsolete, indicating that direct procurement from original inventory may become limited. Substitute parts are necessary to ensure design continuity and maintain supply chain reliability for applications requiring 33 V Zener regulation in compact surface mount form factors.

Key Parameters

Parameter	Value
Voltage - Zener (Nom)	33 V
Power - Max	365 mW
Tolerance	±6.06%
Impedance (Max)	80 Ohms
Current - Reverse Leakage @ Vr	50 nA @ 23.1 V
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA
Operating Temperature	150°C (TJ)
Package / Case	SOD-882
Supplier Device Package	DFN1006BD-2
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the BZX884S-C33YL is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

Voltage - Zener (Nom): 33 V
Power - Max: 365 mW
Impedance (Max): 80 Ohms
Current - Reverse Leakage @ Vr: 50 nA
Voltage - Forward (Vf) (Max) @ If: 900 mV @ 10 mA
Operating Temperature: 150°C (TJ)
Package / Case: SOD-882
Supplier Device Package: DFN1006BD-2
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation:

Tolerance: Zener voltage tolerance may vary within the specified range without affecting functional compatibility
Product Status: Active parts are preferred over obsolete parts for new designs and long-term supply assurance
Packaging Format: Tape & Reel (TR) is compatible with the original packaging specification

All substitute parts listed maintain identical electrical performance and mechanical compatibility with the BZX884S-C33YL.

Parameter Comparison

Parameter	BZX884S-C33YL (Main)	BZX884S-B33-QYL	BZX884S-C33-QYL	BZX8850S-C33YL
Voltage - Zener (Nom)	33 V	33 V	33 V	33 V
Tolerance	±6.06%	±2.12%	±2.12%	±5%
Power - Max	365 mW	365 mW	365 mW	365 mW
Impedance (Max)	80 Ohms	80 Ohms	80 Ohms	80 Ohms
Current - Reverse Leakage @ Vr	50 nA @ 23.1 V	50 nA @ 23.1 V	50 nA @ 23.1 V	50 nA @ 25 V
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	900 mV @ 10 mA	900 mV @ 10 mA	900 mV @ 10 mA
Operating Temperature	150°C (TJ)	150°C (TJ)	150°C (TJ)	150°C (TJ)
Package / Case	SOD-882	SOD-882	SOD-882	SOD-882
Supplier Device Package	DFN1006BD-2	DFN1006BD-2	DFN1006BD-2	DFN1006BD-2
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active	Obsolete
Grade	Standard	Automotive	Automotive	Standard
Qualification	None Listed	AEC-Q100	AEC-Q100	None Listed
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Active Status):

BZX884S-B33-QYL and BZX884S-C33-QYL are the preferred substitutes for the BZX884S-C33YL. Both parts are currently in active production status, ensuring long-term availability and supply chain stability. These alternatives feature improved Zener voltage tolerance (±2.12% versus ±6.06%), providing tighter voltage regulation. Both parts carry automotive-grade qualification (AEC-Q100), indicating compliance with automotive reliability standards. All electrical and mechanical parameters remain identical to the original part.

Secondary Substitute (Obsolete Status):

BZX8850S-C33YL is functionally equivalent but carries obsolete product status, similar to the main part. This substitute should be considered only when inventory of active alternatives is unavailable. The Zener voltage tolerance is ±5%, which falls between the main part and the primary substitutes. Current reverse leakage is specified at 25 V rather than 23.1 V.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), ensuring compatibility with standard manufacturing and storage practices. The automotive-grade qualification of the primary substitutes provides additional assurance for applications requiring enhanced reliability documentation.

Frequently Asked Questions (FAQ)

Q: Can BZX884S-B33-QYL and BZX884S-C33-QYL be used interchangeably with BZX884S-C33YL?

A: Yes. Both parts are parametrically equivalent across all critical electrical and mechanical specifications. The primary difference is improved Zener voltage tolerance (±2.12% versus ±6.06%) and active product status, making them direct functional replacements.

Q: What is the significance of the automotive-grade qualification on the substitute parts?

A: The AEC-Q100 qualification on BZX884S-B33-QYL and BZX884S-C33-QYL indicates these parts meet automotive industry reliability and quality standards. This certification is relevant for applications requiring documented compliance with automotive specifications, though the parts function identically in non-automotive applications.

Q: Are there packaging differences between the main part and substitutes?

A: The main part BZX884S-C33YL does not specify packaging format in the provided data. The substitute parts BZX884S-B33-QYL, BZX884S-C33-QYL, and BZX8850S-C33YL are supplied in Tape & Reel (TR) format. The physical package (SOD-882 / DFN1006BD-2) remains identical across all parts.

Q: Why is the Zener voltage tolerance different across the substitute parts?

A: Tolerance variation reflects different manufacturing process grades. BZX884S-B33-QYL and BZX884S-C33-QYL employ tighter tolerance processes (±2.12%), while BZX8850S-C33YL uses a standard tolerance process (±5%). All parts maintain the same nominal 33 V Zener voltage and are functionally compatible.

Q: Should I prioritize active or obsolete substitute parts?

A: Active parts (BZX884S-B33-QYL and BZX884S-C33-QYL) are recommended for new designs and applications requiring long-term supply assurance. Obsolete parts should be reserved for legacy system maintenance or when active alternatives are unavailable.

Q: Are the reverse leakage current specifications identical across all parts?

A: The main part and primary substitutes specify 50 nA @ 23.1 V. The secondary substitute BZX8850S-C33YL specifies 50 nA @ 25 V. This minor variation in test voltage does not affect functional compatibility.

Q: Do all parts meet RoHS and REACH compliance requirements?

A: Yes. All parts listed are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic components.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message