BZT52C9V1SQ-7-F

I.Overview of BZT52C9V1SQ-7-F

The BZT52C9V1SQ-7-F is an Automotive-grade, surface-mount Zener diode from Diodes Incorporated. Designed to provide precise voltage regulation and reference in electronic circuits, this device features a nominal Zener voltage of 9.1V with tight tolerance. Its compact SOD-323 package, low leakage, and AEC-Q101 qualification make it a reliable choice for voltage clamping, regulation, and protection in automotive, industrial, and general-purpose applications.

II.BZT52C9V1SQ-7-F Parameter

Category:Discrete Semiconductor Products;Diodes;Zener;Single Zener Diodes

Mfr:Diodes Incorporated

Packaging:Tape & Reel (TR);Cut Tape (CT)

Part Status:Active

Voltage - Zener (Nom) (Vz):9.1 V

Tolerance:±6.04%

Power - Max:200 mW

Impedance (Max) (Zzt):15 Ohms

Current - Reverse Leakage @ Vr:200 nA @ 6 V

Voltage - Forward (Vf) (Max) @ If:900 mV @ 10 mA

Operating Temperature:-65°C ~ 150°C (TJ)

Grade:Automotive

Qualification:AEC-Q101

Mounting Type:Surface Mount

Package / Case:SC-76, SOD-323

Supplier Device Package:SOD-323

Base Product Number:BZT52

III.BZT52C9V1SQ-7-F Main Characteristics

Precise Voltage Regulation: Provides a stable 9.1V reference with a tight ±6.04% tolerance.

Low Zener Impedance: Features a low maximum dynamic impedance of 15 Ohms, ensuring good voltage regulation over a range of currents.

Automotive-Grade Reliability: AEC-Q101 qualified for use in demanding automotive electronic environments.

Low Reverse Leakage: Exhibits minimal leakage current (200nA), improving efficiency in precision circuits.

Compact Surface-Mount Package: The SOD-323 package is ideal for high-density PCB designs.

Wide Operating Temperature Range: Suitable for applications exposed to extreme temperatures from -65°C to 150°C.

IV.BZT52C9V1SQ-7-F Application 

Voltage Reference Circuits: Providing a stable 9.1V reference for analog circuits, sensors, or ADCs.

Overvoltage Protection: Clamping voltage spikes on signal or low-power supply lines to protect sensitive ICs.

Power Supply Regulation: Serving as a simple shunt regulator in low-current auxiliary power rails.

Automotive Electronics: Used in body control modules, sensors, and infotainment systems for voltage regulation and transient suppression.

Consumer and Industrial Electronics: Providing voltage stabilization in battery-powered devices, motor drives, and control boards.

V.Conclusion

The BZT52C9V1SQ-7-F is a high-quality, Automotive-grade Zener diode that combines precise voltage regulation, low impedance, and robust reliability in a miniature package. Its AEC-Q101 qualification and wide temperature range make it particularly well-suited for automotive applications, while its general performance characteristics ensure versatility across a broad spectrum of industrial and consumer electronic designs requiring stable voltage references or basic overvoltage protection.