BZX884-C24,315 Equivalent & Substitute Parts

Part Overview

The BZX884-C24,315 is an automotive-grade Zener diode manufactured by Nexperia USA Inc., designed for voltage regulation and protection applications. This surface mount component operates at a nominal Zener voltage of 24 V with 250 mW power dissipation capability. The device is actively produced and maintains full compliance with automotive qualification standards. Substitute parts are identified to address inventory availability, tolerance requirements, or specific application constraints while maintaining functional equivalence within defined electrical and mechanical parameters.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	24	V
Power - Max	250	mW
Impedance (Max)	70	Ohms
Current - Reverse Leakage @ Vr	50 nA @ 16.8 V	nA
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	mV
Operating Temperature Range	-65 to 150	°C
Package / Case	SOD-882	—
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q100	—

Substitute Part Grouping Explanation

Substitution of the BZX884-C24,315 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Nominal Zener voltage: 24 V (fixed requirement)
Maximum power dissipation: 250 mW (fixed requirement)
Maximum impedance: 70 Ohms (fixed requirement)
Reverse leakage current: 50 nA @ 16.8 V (fixed requirement)
Forward voltage: 900 mV @ 10 mA (fixed requirement)
Operating temperature range: -65°C to 150°C (fixed requirement)

Mechanical & Compliance Equivalence Criteria:

Package type: SOD-882 (DFN1006-2) surface mount (fixed requirement)
Automotive grade classification (fixed requirement)
AEC-Q100 qualification (fixed requirement)
RoHS3 compliance (fixed requirement)

Variable Parameter:

Tolerance: The BZX884-C24,315 specifies ±5% tolerance. Substitute parts with tighter tolerance specifications (±2%) remain functionally equivalent and provide enhanced precision for voltage regulation applications.

Parameter Comparison

Parameter	BZX884-C24,315	BZX884-B24,315	Unit
Voltage - Zener (Nom)	24	24	V
Tolerance	±5%	±2%	%
Power - Max	250	250	mW
Impedance (Max)	70	70	Ohms
Current - Reverse Leakage @ Vr	50 nA @ 16.8 V	50 nA @ 16.8 V	nA
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	900 mV @ 10 mA	mV
Operating Temperature	-65 to 150	-65 to 150	°C
Grade	Automotive	Automotive	—
Qualification	AEC-Q100	AEC-Q100	—
Package / Case	SOD-882	SOD-882	—
Mounting Type	Surface Mount	Surface Mount	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	—
MSL	1 (Unlimited)	1 (Unlimited)	—

Engineering Selection Recommendations

BZX884-C24,315 (Primary Part): Select this part when ±5% Zener voltage tolerance meets circuit design specifications. The part maintains active production status with 998 units in current inventory. Full automotive qualification and AEC-Q100 certification ensure compliance with automotive reliability standards.

BZX884-B24,315 (Substitute Part): Select this part when tighter voltage regulation tolerance is required. The ±2% tolerance specification provides enhanced precision compared to the primary part. This substitute maintains identical electrical performance across all other parameters, including power dissipation, impedance, leakage current, and forward voltage characteristics. The part is actively produced with 19,198 units in inventory, ensuring supply continuity. Both parts carry identical automotive grade classification and AEC-Q100 qualification, confirming direct functional interchangeability within the specified tolerance differential.

Both parts are manufactured by Nexperia USA Inc., carry ROHS3 compliance, and feature unlimited moisture sensitivity level (MSL 1), confirming suitability for automotive surface mount assembly processes.

Frequently Asked Questions (FAQ)

Q: Can BZX884-B24,315 be used as a direct replacement for BZX884-C24,315?

A: Yes. The BZX884-B24,315 is a direct functional equivalent. Both parts share identical nominal Zener voltage (24 V), maximum power dissipation (250 mW), impedance (70 Ohms), reverse leakage current (50 nA @ 16.8 V), forward voltage (900 mV @ 10 mA), and operating temperature range (-65°C to 150°C). The only difference is tolerance specification: BZX884-B24,315 provides ±2% tolerance versus ±5% for BZX884-C24,315. This represents an improvement in voltage regulation precision.

Q: Are there any package or mounting differences between these parts?

A: No. Both parts use identical SOD-882 package configuration (DFN1006-2 supplier device package) and surface mount mounting type. PCB layout, reflow profiles, and assembly processes remain unchanged.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both BZX884-C24,315 and BZX884-B24,315 carry automotive grade classification and AEC-Q100 qualification. Both are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level), confirming suitability for automotive manufacturing environments.

Q: When should I select the tighter tolerance part (BZX884-B24,315)?

A: Select BZX884-B24,315 when circuit design specifications require voltage regulation precision better than ±5%. Applications involving precision voltage reference, sensitive analog circuits, or stringent voltage clamping requirements benefit from the ±2% tolerance specification.

Q: Are there any thermal or electrical performance differences?

A: No. Both parts operate across the identical temperature range (-65°C to 150°C) and maintain identical maximum power dissipation (250 mW), impedance (70 Ohms), and leakage characteristics. Thermal performance and electrical behavior are equivalent.

Q: What is the inventory status for each part?

A: BZX884-C24,315 has 998 units in stock. BZX884-B24,315 has 19,198 units in stock. Both parts are actively produced by Nexperia USA Inc.

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