BZD17C33P RVG Equivalent & Substitute Parts

Part Overview

The BZD17C33P RVG is a 33 V, 800 mW Zener diode manufactured by Taiwan Semiconductor Corporation in Surface Mount Sub SMA packaging. This component is classified as Active product status and is ROHS3 compliant. Zener diodes of this specification are used in voltage regulation and protection circuits where precise voltage reference and transient suppression are required. Substitute parts may be necessary due to inventory availability, supply chain considerations, or specific application requirements such as automotive qualification or extended temperature range operation.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nominal)	33	V
Power - Maximum	800	mW
Impedance (Maximum)	15	Ohms
Current - Reverse Leakage @ Vr	1	µA @ 24 V
Voltage - Forward (Maximum) @ If	1.2	V @ 200 mA
Package / Case	DO-219AB	-
Mounting Type	Surface Mount	-
Operating Temperature Range	-55 to 175	°C
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution of the BZD17C33P RVG is determined by electrical and mechanical parameter equivalence. The critical parameters that define substitutability are:

Zener voltage: 33 V nominal
Maximum power dissipation: 800 mW
Package type: DO-219AB (Surface Mount)
Impedance: 15 Ohms maximum
Reverse leakage current: 1 µA @ 24 V
Forward voltage: 1.2 V maximum @ 200 mA
Mounting configuration: Surface Mount

The substitute parts BZD27C33P-E3-08 and BZD27C33P-HE3-08, both manufactured by Vishay General Semiconductor - Diodes Division, meet all electrical specifications and package requirements. Both substitute parts are manufactured in the same DO-219AB package and maintain identical electrical performance characteristics. The BZD27C33P-HE3-08 variant includes automotive qualification (AEC-Q101) and extended lower temperature rating (-65°C minimum versus -55°C), providing additional operational margin in demanding environments.

Parameter Comparison

Parameter	BZD17C33P RVG (Main)	BZD27C33P-E3-08 (Substitute)	BZD27C33P-HE3-08 (Substitute)
Manufacturer	Taiwan Semiconductor Corporation	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Voltage - Zener (Nominal)	33 V	33 V	33 V
Power - Maximum	800 mW	800 mW	800 mW
Impedance (Maximum)	15 Ohms	15 Ohms	15 Ohms
Current - Reverse Leakage @ Vr	1 µA @ 24 V	1 µA @ 24 V	1 µA @ 24 V
Voltage - Forward (Maximum) @ If	1.2 V @ 200 mA	1.2 V @ 200 mA	1.2 V @ 200 mA
Package / Case	DO-219AB	DO-219AB	DO-219AB
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Operating Temperature Range	-55 to 175°C	-65 to 175°C	-65 to 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active
Automotive Qualification	-	-	AEC-Q101

Engineering Selection Recommendations

All three parts maintain Active product status and ROHS3 compliance, ensuring long-term availability and regulatory conformance. The BZD17C33P RVG and both Vishay substitute parts are electrically and mechanically interchangeable for standard applications requiring a 33 V, 800 mW Zener diode in DO-219AB Surface Mount packaging.

Selection between the substitute options depends on application requirements:

BZD27C33P-E3-08 is suitable for general-purpose voltage regulation and protection applications where standard industrial temperature range and compliance certifications are sufficient.

BZD27C33P-HE3-08 is specified for automotive and high-reliability applications due to AEC-Q101 qualification and extended lower temperature operating range (-65°C minimum). This variant provides enhanced reliability margin for temperature-sensitive or mission-critical circuits.

Both substitute parts are available in higher inventory quantities (68,400 and 9,400 units respectively) compared to the main part (894 units), supporting production volume requirements.

Frequently Asked Questions (FAQ)

Q: Are the BZD27C33P-E3-08 and BZD27C33P-HE3-08 electrically identical to the BZD17C33P RVG?

A: Yes. Both substitute parts maintain identical electrical specifications: 33 V nominal Zener voltage, 800 mW maximum power dissipation, 15 Ohms maximum impedance, 1 µA reverse leakage current @ 24 V, and 1.2 V maximum forward voltage @ 200 mA. All three parts operate within the same voltage and current parameters.

Q: Can I use these parts interchangeably on the same PCB?

A: Yes. All three parts use the DO-219AB Surface Mount package, ensuring identical footprint and land pattern compatibility. No PCB redesign is required for substitution.

Q: What is the difference between BZD27C33P-E3-08 and BZD27C33P-HE3-08?

A: The primary differences are: (1) BZD27C33P-HE3-08 carries AEC-Q101 automotive qualification; (2) BZD27C33P-HE3-08 has extended lower temperature rating (-65°C minimum versus -65°C for the standard variant). Both maintain identical electrical performance.

Q: Which substitute should I select for automotive applications?

A: BZD27C33P-HE3-08 is specified for automotive use with AEC-Q101 qualification and extended temperature range, making it the appropriate choice for automotive circuit designs.

Q: Are moisture sensitivity levels equivalent across all three parts?

A: Yes. All three parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture-related handling restrictions during storage or assembly.

Q: Do all parts meet RoHS compliance requirements?

A: Yes. The BZD17C33P RVG, BZD27C33P-E3-08, and BZD27C33P-HE3-08 are all ROHS3 compliant, meeting current environmental and regulatory standards.

Q: What is the temperature operating range difference?

A: The BZD17C33P RVG operates from -55°C to 175°C. Both Vishay substitutes extend the lower temperature limit to -65°C while maintaining the same 175°C upper limit, providing 10°C additional margin at low temperatures.

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