BZX884-C13,315 Equivalent & Substitute Parts

Part Overview

The BZX884-C13,315 is an automotive-grade Zener diode manufactured by Nexperia USA Inc., rated for 13 V nominal Zener voltage with 250 mW maximum power dissipation. The device is packaged in a surface mount DFN1006-2 (SOD-882) configuration and qualifies to AEC-Q100 automotive standards. This part is currently in active production status with 1295 units in stock.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the critical parameters that define Zener diode functionality: nominal Zener voltage, maximum power rating, package type, and operating temperature range. Alternative sources become necessary due to supply chain considerations, inventory availability, or design flexibility requirements.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	13	V
Tolerance	±5%	%
Power - Max	250	mW
Impedance (Max)	10	Ohms
Current - Reverse Leakage @ Vr	100	nA @ 8 V
Voltage - Forward (Vf) (Max) @ If	900	mV @ 10 mA
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 eligibility for the BZX884-C13,315 is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Nominal Zener voltage: 13 V
Maximum power dissipation: 250 mW
Package type: DFN1006-2 (SOD-882) surface mount
Operating temperature range: -65°C to 150°C
Reverse leakage current: 100 nA @ 8 V
Forward voltage: 900 mV @ 10 mA

Secondary Compatibility Factors:

Zener voltage tolerance (±2% to ±6% acceptable within design margin)
Impedance variation (10 to 30 Ohms acceptable for regulation applications)
Automotive qualification and RoHS3 compliance

Parts are grouped as Parametric Equivalent when all primary criteria are met with identical or superior tolerance specifications. Parts are grouped as Similar when primary electrical parameters match but secondary characteristics (impedance, tolerance) show measurable variation.

Parameter Comparison

Parameter	BZX884-C13,315 (Main)	BZX884-B13,315 (Parametric Equivalent)	BZT52C13LP-7 (Similar)
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Diodes Incorporated
Voltage - Zener (Nom)	13 V	13 V	13 V
Tolerance	±5%	±2%	±6%
Power - Max	250 mW	250 mW	250 mW
Impedance (Max)	10 Ohms	10 Ohms	30 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 8 V	100 nA @ 8 V	100 nA @ 8 V
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	900 mV @ 10 mA	900 mV @ 10 mA
Operating Temperature Range	-65°C to 150°C	-65°C to 150°C	-65°C to 150°C
Package / Case	SOD-882	SOD-882	0402 (1006 Metric)
Supplier Device Package	DFN1006-2	DFN1006-2	X1-DFN1006-2
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Grade	Automotive	Automotive	—
Qualification	AEC-Q100	AEC-Q100	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Inventory Status	1295 Pcs	7317 Pcs	49500 Pcs

Engineering Selection Recommendations

BZX884-B13,315 (Parametric Equivalent - Nexperia USA Inc.)

This part is a direct parametric equivalent to the BZX884-C13,315. Both devices share identical nominal Zener voltage (13 V), maximum power dissipation (250 mW), package configuration (DFN1006-2), and operating temperature range (-65°C to 150°C). The BZX884-B13,315 features superior Zener voltage tolerance (±2% versus ±5%), identical impedance specification (10 Ohms maximum), and equivalent reverse leakage characteristics. Both parts carry automotive grade designation and AEC-Q100 qualification. This substitute is suitable for direct replacement in all applications where the BZX884-C13,315 is specified. Higher inventory availability (7317 units) supports supply chain flexibility.

BZT52C13LP-7 (Similar - Diodes Incorporated)

This part maintains electrical equivalence across nominal Zener voltage (13 V), maximum power dissipation (250 mW), reverse leakage current (100 nA @ 8 V), and forward voltage characteristics (900 mV @ 10 mA). The operating temperature range (-65°C to 150°C) is identical. The BZT52C13LP-7 differs in the following specifications: Zener voltage tolerance is ±6% (compared to ±5% for the main part), and impedance is specified at 30 Ohms maximum (compared to 10 Ohms). The device does not carry automotive grade or AEC-Q100 qualification. This part is suitable for non-automotive applications or where the higher impedance specification is acceptable. Significantly higher inventory availability (49500 units) supports high-volume procurement.

Frequently Asked Questions (FAQ)

Q: Can the BZX884-B13,315 be used as a direct replacement for the BZX884-C13,315?

A: Yes. Both parts are manufactured by Nexperia USA Inc., share identical nominal Zener voltage (13 V), maximum power dissipation (250 mW), package type (DFN1006-2), and operating temperature range (-65°C to 150°C). The BZX884-B13,315 features tighter Zener voltage tolerance (±2% versus ±5%), which represents improved performance. Both parts carry AEC-Q100 automotive qualification and are ROHS3 compliant.

Q: What is the key difference between the BZX884-C13,315 and BZT52C13LP-7?

A: The primary differences are impedance specification and automotive qualification. The BZX884-C13,315 specifies 10 Ohms maximum impedance and carries AEC-Q100 automotive qualification. The BZT52C13LP-7 specifies 30 Ohms maximum impedance and does not carry automotive qualification. Both devices share identical nominal Zener voltage (13 V), maximum power dissipation (250 mW), and operating temperature range (-65°C to 150°C).

Q: Is the BZT52C13LP-7 suitable for automotive applications?

A: The BZT52C13LP-7 does not carry automotive grade designation or AEC-Q100 qualification. It is suitable for industrial and consumer applications where automotive qualification is not required. For automotive applications, the BZX884-C13,315 or BZX884-B13,315 are the appropriate selections.

Q: What does the impedance difference between 10 Ohms and 30 Ohms mean for circuit performance?

A: Impedance (Zzt) affects the dynamic regulation characteristics of the Zener diode. Lower impedance (10 Ohms) provides better voltage regulation under varying load conditions. Higher impedance (30 Ohms) results in greater voltage variation across the Zener diode as load current changes. The selection between these specifications depends on the circuit's regulation requirements and acceptable voltage ripple.

Q: Are all three parts packaged identically?

A: The BZX884-C13,315 and BZX884-B13,315 use identical packaging: DFN1006-2 (SOD-882). The BZT52C13LP-7 uses X1-DFN1006-2 packaging, which is mechanically compatible with the 0402 (1006 Metric) footprint. While the physical dimensions are similar, the supplier device package designations differ. PCB layout compatibility should be verified for the BZT52C13LP-7.

Q: What is the significance of the ±2%, ±5%, and ±6% tolerance specifications?

A: Zener voltage tolerance defines the acceptable range of the nominal 13 V specification. The BZX884-B13,315 (±2%) guarantees the Zener voltage will be between 12.74 V and 13.26 V. The BZX884-C13,315 (±5%) guarantees the range will be between 12.35 V and 13.65 V. The BZT52C13LP-7 (±6%) guarantees the range will be between 12.22 V and 13.78 V. Tighter tolerance specifications provide more predictable circuit performance.

Q: Why does the BZT52C13LP-7 have significantly higher inventory availability?

A: The BZT52C13LP-7 is manufactured by Diodes Incorporated and serves broader industrial and consumer markets without automotive qualification requirements. Higher production volumes and broader market applicability result in larger inventory levels (49500 units compared to 1295 and 7317 units for the Nexperia parts).

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