BZT52C6V8LP-TP Equivalent & Substitute Parts

Part Overview

The BZT52C6V8LP-TP is a Zener diode manufactured by Micro Commercial Co, rated at 6.8 V nominal with 250 mW power dissipation in a surface mount SOD-882 package. This component is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing design support and production continuity. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts provide functional alternatives with compatible parameters within defined tolerances.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	6.8	V
Tolerance	±6%	-
Power - Max	250	mW
Impedance (Max)	15	Ohms
Current - Reverse Leakage @ Vr	2	µA @ 4 V
Voltage - Forward (Vf) (Max) @ If	900	mV @ 10 mA
Operating Temperature Range	-65 to 150	°C
Mounting Type	Surface Mount	-
Package / Case	SOD-882	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution of the BZT52C6V8LP-TP is determined by the following critical parameters:

Electrical Specifications:

Zener voltage: 6.8 V nominal
Power rating: 250 mW maximum
Impedance: 15 Ohms maximum
Reverse leakage current: 2 µA @ 4 V
Forward voltage: 900 mV maximum @ 10 mA
Operating temperature range: -65°C to 150°C

Mechanical & Environmental Specifications:

Mounting type: Surface Mount
Package compatibility: SOD-882
RoHS3 compliance required
Moisture sensitivity level: 1 (Unlimited)

Substitute parts must satisfy all electrical parameters within their specified tolerances and maintain compatibility with the SOD-882 package footprint. Tolerance variations are acceptable provided the zener voltage remains within the application's design margin. Product status transitions from obsolete to active are permissible when all electrical and mechanical parameters align.

Parameter Comparison

Parameter	BZT52C6V8LP-TP (Main)	BZX884-B6V8,315	BZX884-C6V8,315
Manufacturer	Micro Commercial Co	Nexperia USA Inc.	Nexperia USA Inc.
Voltage - Zener (Nom)	6.8 V	6.8 V	6.8 V
Tolerance	±6%	±2%	±5%
Power - Max	250 mW	250 mW	250 mW
Impedance (Max)	15 Ohms	15 Ohms	15 Ohms
Current - Reverse Leakage @ Vr	2 µA @ 4 V	2 µA @ 4 V	2 µA @ 4 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
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	SOD-882	SOD-882	SOD-882
Product Status	Obsolete	Active	Active
Grade	-	Automotive	Automotive
Qualification	-	AEC-Q100	AEC-Q100
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

BZX884-B6V8,315 (Nexperia USA Inc.)

This substitute part is an active product with tighter tolerance specification (±2% versus ±6%), providing improved voltage accuracy. It carries automotive-grade qualification (AEC-Q100) and is manufactured by Nexperia USA Inc., a primary supplier in the zener diode market. All electrical parameters match the main part specification. The transition from obsolete to active status ensures long-term availability and supply chain stability.

BZX884-C6V8,315 (Nexperia USA Inc.)

This substitute part is an active product with tolerance specification (±5%) closer to the main part (±6%). It also carries automotive-grade qualification (AEC-Q100) and is manufactured by Nexperia USA Inc. All electrical parameters match the main part specification. The active product status provides superior availability compared to the obsolete BZT52C6V8LP-TP.

Both substitute parts satisfy all mandatory electrical and mechanical requirements. Selection between BZX884-B6V8,315 and BZX884-C6V8,315 depends on tolerance requirements specific to the application circuit. The BZX884-B6V8,315 offers superior voltage precision, while the BZX884-C6V8,315 provides tolerance characteristics more closely aligned with the original part.

Frequently Asked Questions (FAQ)

Q: Can BZX884-B6V8,315 and BZX884-C6V8,315 be used interchangeably with BZT52C6V8LP-TP?

A: Both parts satisfy the electrical and mechanical substitution criteria. The primary difference is tolerance specification: BZX884-B6V8,315 provides ±2% tolerance, while BZX884-C6V8,315 provides ±5% tolerance. Selection depends on the application's voltage regulation requirements. Both are physically compatible with SOD-882 package footprints.

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

A: Tolerance defines the acceptable deviation from the nominal 6.8 V zener voltage. The main part (±6%) allows deviation from 6.392 V to 7.208 V. BZX884-C6V8,315 (±5%) allows 6.46 V to 7.14 V. BZX884-B6V8,315 (±2%) allows 6.664 V to 7.136 V. Tighter tolerance provides more precise voltage regulation but may not be necessary for all applications.

Q: Are the substitute parts available in the same packaging format?

A: Both substitute parts are supplied in Tape & Reel (TR) packaging, while the main part packaging is not specified. All three parts use the SOD-882 package case, ensuring mechanical compatibility with existing PCB designs and assembly equipment.

Q: What is the significance of AEC-Q100 qualification on the substitute parts?

A: AEC-Q100 is an automotive industry qualification standard. The substitute parts carry this qualification, indicating they meet automotive-grade reliability and performance standards. The main part does not list this qualification. This qualification is beneficial for applications requiring automotive-grade components but does not affect functional substitution in non-automotive applications.

Q: Why is the main part listed as obsolete?

A: Obsolete status indicates the part is no longer manufactured or supported by the original supplier. The substitute parts are active products, ensuring continued availability, technical support, and supply chain reliability for future production runs and design revisions.

Q: Are all parts RoHS3 compliant?

A: Yes, all three parts (main and substitutes) are ROHS3 compliant and carry identical moisture sensitivity level (MSL 1 - Unlimited), ensuring compatibility with modern manufacturing processes and environmental regulations.

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