BZX84C6V2_D87Z Equivalent & Substitute Parts

Part Overview

The BZX84C6V2_D87Z is a 6.2 V Zener diode manufactured by onsemi, rated for 350 mW power dissipation in a surface mount SOT-23-3 package. This part is classified as obsolete, making equivalent and substitute components necessary for ongoing design support and production continuity. The electrical characteristics—6.2 V nominal Zener voltage with ±6% tolerance, 10 Ohms maximum impedance, and specified reverse leakage current—define the substitution criteria for compatible alternatives.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	6.2	V
Tolerance	±6%	—
Power - Max	350	mW
Impedance (Max)	10	Ohms
Current - Reverse Leakage @ Vr	3	µA @ 4 V
Voltage - Forward (Vf) (Max) @ If	900	mV @ 10 mA
Operating Temperature	-55 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—

Substitute Part Grouping Explanation

Substitution of the BZX84C6V2_D87Z is determined by strict equivalence in the following electrical parameters:

Zener Voltage (Vz): Must be 6.2 V nominal
Voltage Tolerance: Must accommodate ±6% or tighter tolerance
Impedance (Zzt): Must not exceed 10 Ohms maximum
Reverse Leakage Current: Must not exceed 3 µA @ 4 V
Forward Voltage (Vf): Must not exceed 900 mV @ 10 mA
Package / Case: Must be TO-236-3, SC-59, or SOT-23-3 equivalent
Mounting Type: Must be Surface Mount

Substitute parts are grouped into three categories:

Direct Equivalents (onsemi BZX84C6V2 series): Active product variants with identical electrical specifications but different packaging formats or product grades.
Upgraded Alternatives (Higher Power Rating): Parts with 300 mW power rating, suitable for applications requiring additional thermal margin while maintaining all other electrical parameters.
Cross-Manufacturer Alternatives: Parts from Diodes Incorporated and Nexperia USA Inc. with equivalent or superior electrical specifications and automotive qualification.

Parameter Comparison

Part Number	Manufacturer	Vz (V)	Tolerance	Power Max (mW)	Zzt (Ohms)	Vf Max @ 10mA (mV)	Temp Range (°C)	Product Status	Packaging
BZX84C6V2_D87Z	onsemi	6.2	±6%	350	10	900	-55 to 150	Obsolete	SOT-23-3
BZX84C6V2ET1G	onsemi	6.2	±6%	225	10	900	-65 to 150	Active	Tape & Reel
BZX84C6V2LT1G	onsemi	6.2	±6%	225	10	900	-65 to 150	Active	Cut Tape & Digi-Reel
BZX84C6V2LT3G	onsemi	6.2	±6%	225	10	900	-65 to 150	Active	Tape & Reel
SZBZX84C6V2LT1G	onsemi	6.2	±6%	225	10	900	-65 to 150	Active	Tape & Reel
SZBZX84C6V2LT3G	onsemi	6.2	±6%	225	10	900	-65 to 150	Active	Tape & Reel
BZX84C6V2-7-F	Diodes Incorporated	6.2	±6%	300	10	900	-65 to 150	Active	Tape & Reel
BZX84-A6V2,215	Nexperia USA Inc.	6.2	±1%	250	10	900	-65 to 150	Active	Tape & Reel
BZX84-C6V2,215	Nexperia USA Inc.	6.2	±5%	250	10	900	-65 to 150	Active	Cut Tape & Digi-Reel
BZX84-C6V2,235	NXP Semiconductors	6.2	±5%	250	10	900	-65 to 150	Active	Bulk
BZX84B6V2-7-F	Diodes Incorporated	6.2	±2%	300	10	900	-65 to 150	Active	Tape & Reel

Engineering Selection Recommendations

Primary Substitutes (onsemi BZX84C6V2 Series)

BZX84C6V2ET1G, BZX84C6V2LT1G, and BZX84C6V2LT3G are direct electrical equivalents with active product status. These parts maintain the 6.2 V nominal Zener voltage, ±6% tolerance, and 10 Ohms impedance specification. The primary difference is reduced power rating (225 mW versus 350 mW), which is acceptable for applications not requiring the full thermal capacity of the original part. Extended operating temperature range (-65°C to 150°C) provides improved low-temperature performance. Packaging options include Tape & Reel and Cut Tape & Digi-Reel formats for production flexibility.

Automotive-Grade Alternatives (SZBZX84C6V2 Series)

SZBZX84C6V2LT1G and SZBZX84C6V2LT3G are automotive-qualified variants (AEC-Q101) with identical electrical specifications to the standard BZX84C6V2 series. These parts are suitable for applications requiring automotive-grade component certification. Product status is active with high inventory availability.

Upgraded Power Rating Options

BZX84C6V2-7-F (Diodes Incorporated) and BZX84B6V2-7-F (Diodes Incorporated) provide 300 mW power rating, offering increased thermal margin while maintaining 6.2 V Zener voltage and 10 Ohms impedance. BZX84B6V2-7-F includes tighter ±2% tolerance specification. Both parts are RoHS3 compliant and active products.

Cross-Manufacturer Alternatives (Nexperia)

BZX84-A6V2,215 and BZX84-C6V2,215 from Nexperia USA Inc. are automotive-qualified (AEC-Q101) alternatives with 250 mW power rating. BZX84-A6V2,215 offers superior ±1% tolerance. Both maintain 6.2 V Zener voltage and 10 Ohms impedance. BZX84-C6V2,235 from NXP Semiconductors provides bulk packaging option with equivalent electrical specifications.

All substitute parts maintain the SOT-23-3 surface mount package and are RoHS3 compliant with REACH Unaffected status.

Frequently Asked Questions (FAQ)

Q: Can BZX84C6V2ET1G replace BZX84C6V2_D87Z directly?

A: Yes. BZX84C6V2ET1G is electrically equivalent with identical 6.2 V Zener voltage, ±6% tolerance, 10 Ohms impedance, and 900 mV forward voltage specification. The 225 mW power rating is lower than the original 350 mW, but this is acceptable for applications not requiring full thermal capacity. The part is active and widely available.

Q: What is the difference between BZX84C6V2LT1G and BZX84C6V2LT3G?

A: Both parts are electrically identical with 6.2 V Zener voltage, ±6% tolerance, and 225 mW power rating. The difference is packaging format: BZX84C6V2LT1G is supplied in Cut Tape & Digi-Reel format, while BZX84C6V2LT3G is supplied in Tape & Reel format. Selection depends on production equipment and supply chain requirements.

Q: Are automotive-grade parts (SZBZX84C6V2 series) required for non-automotive applications?

A: No. Automotive-grade parts are not required for non-automotive applications. Standard BZX84C6V2 series parts are suitable for general-purpose applications. Automotive-grade variants are specified only when AEC-Q101 qualification is a design requirement.

Q: How does the ±1% tolerance of BZX84-A6V2,215 compare to the ±6% tolerance of the original part?

A: BZX84-A6V2,215 provides tighter voltage tolerance (±1% versus ±6%), resulting in more precise Zener voltage regulation. This is beneficial for applications requiring strict voltage regulation but is not necessary for applications tolerant of the original ±6% specification.

Q: Can parts with 300 mW power rating be used in place of the 350 mW original?

A: Parts with 300 mW power rating (BZX84C6V2-7-F and BZX84B6V2-7-F) provide adequate thermal capacity for most applications. However, applications operating at maximum power dissipation near 350 mW should be evaluated to confirm the 300 mW rating is sufficient. All other electrical parameters are equivalent.

Q: What is the significance of the SOT-23-3 package designation?

A: SOT-23-3 is the surface mount package standard for all listed parts. This package is equivalent to TO-236-3 and SC-59 designations. All substitute parts maintain this package format, ensuring mechanical and electrical compatibility with existing PCB layouts and assembly processes.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All active substitute parts listed are RoHS3 compliant and have REACH Unaffected status, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

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