BZX384-C16F Equivalent & Substitute Parts

Part Overview

The BZX384-C16F is an active Zener diode manufactured by Nexperia USA Inc., rated at 16 V nominal with 300 mW maximum power dissipation in a surface mount SOD-323 package. This component is used for voltage regulation and transient protection in electronic circuits. The part is ROHS3 compliant with unlimited moisture sensitivity (MSL 1) and is currently in active production with substantial inventory availability. Equivalent and substitute parts are identified based on matching electrical specifications and package compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	16	V
Tolerance	±5%	—
Power - Max	300	mW
Impedance (Max)	40	Ohms
Current - Reverse Leakage @ Vr	50	nA @ 11.2 V
Voltage - Forward (Vf) (Max) @ If	1.1	V @ 100 mA
Operating Temperature	-65 to 150	°C
Package / Case	SOD-323	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of Zener diodes is determined by the following critical parameters: nominal Zener voltage (Vz), maximum power rating, package type, and operating temperature range. The BZX384-C16F operates at 16 V nominal with ±5% tolerance, 300 mW maximum power, and -65°C to 150°C operating range in SOD-323 package.

Parametric equivalents maintain all critical electrical specifications and package compatibility. These parts are direct substitutes with identical or superior performance characteristics within the same series or from equivalent manufacturers.

Similar parts meet the core voltage and package requirements but may differ in power rating, tolerance, operating temperature range, or manufacturer qualification level. These parts are suitable for applications where the specific parameter variance does not impact circuit performance.

Parameter Comparison

Parameter	BZX384-C16F	BZX384-B16,115	BZX384-C16,115	BZT52-C16S-AU_R1_000A1
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Panjit International Inc.
Voltage - Zener (Nom)	16 V	16 V	16 V	16 V
Tolerance	±5%	±2%	±5%	±5%
Power - Max	300 mW	300 mW	300 mW	200 mW
Impedance (Max)	40 Ohms	40 Ohms	40 Ohms	40 Ohms
Current - Reverse Leakage @ Vr	50 nA @ 11.2 V	50 nA @ 11.2 V	50 nA @ 11.2 V	100 nA @ 12 V
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 100 mA	1.1 V @ 100 mA	1.1 V @ 100 mA	—
Operating Temperature	-65 to 150°C	-65 to 150°C	-65 to 150°C	-55 to 150°C
Package / Case	SOD-323	SOD-323	SOD-323	SOD-323
Packaging Type	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Qualification	—	—	—	AEC-Q101 Automotive

Engineering Selection Recommendations

BZX384-B16,115 (Parametric Equivalent - Preferred)

The BZX384-B16,115 is a parametric equivalent from the same manufacturer series with tighter tolerance (±2% versus ±5%). All electrical specifications, operating temperature range, and package type are identical to the BZX384-C16F. This part is ROHS3 compliant and carries unlimited moisture sensitivity rating. The primary difference is packaging format (Tape & Reel versus Cut Tape), which does not affect electrical performance. This part is suitable for direct substitution in all applications.

BZX384-C16,115 (Parametric Equivalent)

The BZX384-C16,115 maintains identical electrical specifications and tolerance to the BZX384-C16F, including 16 V nominal voltage, ±5% tolerance, 300 mW power rating, and -65°C to 150°C operating range. Both parts are from Nexperia USA Inc. and are ROHS3 compliant. The packaging format differs (Tape & Reel versus Cut Tape), but electrical performance is equivalent. This part is suitable for direct substitution.

BZT52-C16S-AU_R1_000A1 (Similar - Conditional)

The BZT52-C16S-AU_R1_000A1 from Panjit International Inc. matches the 16 V nominal voltage and ±5% tolerance but has reduced maximum power rating (200 mW versus 300 mW) and higher reverse leakage current (100 nA @ 12 V versus 50 nA @ 11.2 V). Operating temperature minimum is -55°C versus -65°C. This part carries AEC-Q101 automotive qualification. Substitution is suitable only for applications where the 200 mW power rating is sufficient and the lower temperature minimum does not conflict with system requirements.

Frequently Asked Questions (FAQ)

Q: Can BZX384-B16,115 replace BZX384-C16F directly?

A: Yes. The BZX384-B16,115 is a parametric equivalent with identical voltage, power rating, impedance, and operating temperature range. The tighter tolerance (±2%) provides improved voltage regulation accuracy. Packaging format differs (Tape & Reel versus Cut Tape), but this does not affect electrical performance or circuit compatibility.

Q: What is the difference between BZX384-C16F and BZX384-C16,115?

A: Both parts have identical electrical specifications: 16 V nominal, ±5% tolerance, 300 mW power, and -65°C to 150°C operating range. The primary difference is packaging format. BZX384-C16F is supplied in Cut Tape and Digi-Reel format, while BZX384-C16,115 is supplied in Tape & Reel format. Electrical performance is equivalent.

Q: Can BZT52-C16S-AU_R1_000A1 be used instead of BZX384-C16F?

A: Substitution is conditional. The BZT52-C16S-AU_R1_000A1 has the same 16 V nominal voltage and ±5% tolerance but lower maximum power rating (200 mW versus 300 mW) and higher reverse leakage current. It is suitable only for applications where 200 mW power dissipation is adequate and the -55°C minimum operating temperature meets system requirements. The part carries AEC-Q101 automotive qualification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts—BZX384-B16,115, BZX384-C16,115, and BZT52-C16S-AU_R1_000A1—are ROHS3 compliant with unlimited moisture sensitivity (MSL 1).

Q: What does the tolerance difference (±2% versus ±5%) mean for circuit design?

A: Tolerance specifies the allowable deviation of the Zener voltage from the nominal 16 V rating. BZX384-B16,115 with ±2% tolerance ensures the Zener voltage remains between 15.68 V and 16.32 V. BZX384-C16F with ±5% tolerance allows deviation between 15.2 V and 16.8 V. Tighter tolerance provides more precise voltage regulation but does not affect substitutability if the application can accept the wider tolerance range.

Q: Why does BZT52-C16S-AU_R1_000A1 have lower power rating?

A: The BZT52-C16S-AU_R1_000A1 is rated for 200 mW maximum power dissipation compared to 300 mW for the BZX384 series. This reflects different thermal design and package optimization. Substitution is valid only if circuit power dissipation does not exceed 200 mW under worst-case conditions.

Q: What is the significance of AEC-Q101 qualification on BZT52-C16S-AU_R1_000A1?

A: AEC-Q101 is an automotive industry qualification standard. The BZT52-C16S-AU_R1_000A1 meets automotive-grade reliability and testing requirements. This qualification is beneficial for automotive applications but does not affect substitutability in non-automotive circuits where the electrical specifications are met.

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