Is there a pin-compatible replacement for BZT52C2V7?

While several parts like BZT52C3V0 use the same SOD-123 package, they are not exact pin-compatible replacements due to differences in Zener voltage. Always verify if your circuit can tolerate a slightly different voltage.

What risks should I check before replacing BZT52C2V7?

The main risk is Zener voltage mismatch, which can affect regulation accuracy. Also check reverse leakage current and Zener impedance, as significant differences can impact circuit performance and power consumption.

BZT52C2V7 Alternatives, Datasheet & Cross Reference | GOODWORK

BZT52C2V7 is a common 2.7V, 500mW Zener diode in a SOD-123 package used for voltage regulation. Finding a substitute requires matching the package, power rating, and especially the Zener voltage.

AI replacement insight

Electrical riskmedium

Candidates have different Zener voltages, which is a critical parameter for a Zener diode.

Package risklow

All viable candidates use the same SOD-123 package, ensuring physical compatibility.

Can it be replaced directly?

No exact drop-in replacement was found. BZT52C3V0 is a strong candidate but has a slightly higher Zener voltage (3.0V vs 2.7V) that must be verified for the application.

Best replacement path

BZT52C3V0 offers the closest parametric match and is from a similar series, making it the most likely candidate to work after verification.

Main risk

The primary risk is the Zener voltage (Vz) deviation from the original 2.7V, which could affect the circuit's voltage regulation point.

Recommended alternatives

Strong functional alternative with the same package, power, and improved leakage; Zener voltage is 3.0V.

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Alternative comparison matrix

Feature / factor	BZT52C2V7	BZT52C3V0	MM1Z3V3	MM1W3V3	Compatibility / risk
Package	SOD-123	SOD-123	SOD-123	SOD-123	SOD-123 — Form-factor compatible.; MM1Z3V3: Form-factor compatible.; MM1W3V3: Form-factor compatible.
Voltage	2.7V	3.0V	3.3V	3.3V	3.0V / 3.3V — Slightly higher Zener voltage.; MM1Z3V3: Higher Zener voltage.; MM1W3V3: Higher Zener voltage.
Power	500mW	500mW	500mW	1.0W	500mW / 1.0W — Power rating matches.; MM1Z3V3: Power rating matches.; MM1W3V3: Higher power rating is a safe upgrade.
Impedance	100Ω	100Ω	130Ω	10Ω	100Ω / 130Ω / 10Ω — Zener impedance matches.; MM1Z3V3: Higher Zener impedance.; MM1W3V3: Lower Zener impedance is an improvement.
Current	20µA @ 1V	9µA @ 1V	20µA @ 1V	100µA @ 1V	9µA @ 1V / 20µA @ 1V / 100µA @ 1V — Lower reverse leakage is an improvement.; MM1Z3V3: Reverse leakage matches.; MM1W3V3: Significantly higher reverse leakage.

Application & sourcing insights

Questions & answers

BZT52C3V0 is a strong alternative. It shares the same SOD-123 package and 500mW power rating, with a slightly higher Zener voltage of 3.0V, which may be acceptable in many designs.