BZT52C5V1LP-TP Equivalent & Substitute Parts

Part Overview

The BZT52C5V1LP-TP is a Zener diode manufactured by Micro Commercial Co, designed for voltage regulation and protection applications requiring a 5.1 V nominal Zener voltage with 100 mW power dissipation capability. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design support and procurement continuity. The surface mount SOD-882 package format and specific electrical characteristics define the substitution criteria for this device.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	5.1	V
Tolerance	±6%	%
Power - Max	100	mW
Impedance (Max)	60	Ohms
Current - Reverse Leakage @ Vr	2	µA @ 2 V
Voltage - Forward (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 BZT52C5V1LP-TP is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

Zener voltage: 5.1 V nominal
Tolerance: ±6%
Maximum power dissipation: 100 mW
Maximum impedance: 60 Ohms
Reverse leakage current: 2 µA @ 2 V
Forward voltage: 900 mV maximum @ 10 mA

Physical and Environmental Requirements:

Package format: SOD-882 surface mount
Operating temperature range: -65°C to 150°C
Moisture sensitivity: MSL 1 (Unlimited)
RoHS3 compliance
REACH unaffected status

Parts meeting all specified parameters within the stated tolerances are classified as parametric equivalents. No deviations from these parameters are permitted for substitution classification.

Parameter Comparison

Parameter	BZT52C5V1LP-TP (Main Part)	Equivalent Status
Manufacturer	Micro Commercial Co	Reference
Voltage - Zener (Nom)	5.1 V	Match Required
Tolerance	±6%	Match Required
Power - Max	100 mW	Match Required
Impedance (Max)	60 Ohms	Match Required
Current - Reverse Leakage @ Vr	2 µA @ 2 V	Match Required
Voltage - Forward (Max) @ If	900 mV @ 10 mA	Match Required
Operating Temperature	-65°C ~ 150°C	Match Required
Package / Case	SOD-882	Match Required
Mounting Type	Surface Mount	Match Required
RoHS Status	ROHS3 Compliant	Match Required
Moisture Sensitivity Level	1 (Unlimited)	Match Required

Engineering Selection Recommendations

The BZT52C5V1LP-TP is designated as obsolete. When selecting substitute components, prioritize parts that maintain full parametric equivalence across all electrical and mechanical specifications listed in the Key Parameters section.

Compliance Considerations:

Substitute parts must maintain ROHS3 compliance status
REACH unaffected status must be preserved
Moisture sensitivity level must not exceed MSL 1
Operating temperature range must encompass -65°C to 150°C minimum

Procurement Strategy: Given the obsolete status of the original part, sourcing efforts should focus on identifying active production alternatives from established manufacturers that meet the complete specification set. Verification of parametric equivalence across all listed parameters is essential prior to design implementation.

Frequently Asked Questions (FAQ)

Q: What makes a part a suitable substitute for the BZT52C5V1LP-TP?

A: A substitute part must match all electrical parameters (5.1 V Zener voltage, ±6% tolerance, 100 mW power rating, 60 Ohms maximum impedance, 2 µA reverse leakage, 900 mV forward voltage), maintain the SOD-882 surface mount package format, support the -65°C to 150°C operating temperature range, and comply with ROHS3 and REACH requirements.

Q: Can I use a different Zener voltage rating as a substitute?

A: No. The Zener voltage must be 5.1 V nominal with ±6% tolerance. Deviations from this specification will alter circuit performance and are not acceptable for substitution.

Q: Is the SOD-882 package format critical for substitution?

A: Yes. The SOD-882 surface mount package is a mandatory requirement. Alternative package formats are not interchangeable without circuit board redesign and are therefore not classified as substitutes.

Q: What is the significance of the ±6% tolerance specification?

A: The ±6% tolerance defines the acceptable range of Zener voltage variation (4.794 V to 5.406 V). Substitute parts must maintain this tolerance specification to ensure circuit voltage regulation performance.

Q: Does the obsolete status affect substitute part selection?

A: The obsolete status indicates the original part is no longer in active production. Substitute selection must focus on identifying equivalent parts from current production lines that meet all specified parameters.

Q: Are there any temperature derating considerations for substitutes?

A: The operating temperature range of -65°C to 150°C is a specified requirement. Substitute parts must support this full range without derating. Parts with narrower temperature ranges are not acceptable substitutes.

Q: What compliance certifications must substitute parts maintain?

A: Substitute parts must be ROHS3 compliant and REACH unaffected. These certifications ensure regulatory compliance and material composition consistency with the original specification.

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