SZMMBZ4252T1G

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SZMMBZ4252T1G

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TVS DIODE 22VWM 40VC SOT23-3

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Thông số kỹ thuật

thuộc tính Giá trị
Supplier onsemi
Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q101
ProductStatus Active
Type Zener
UnidirectionalChannels 2
BidirectionalChannels 1
Voltage-ReverseStandoff(Typ) 22V
Voltage-Breakdown(Min) 25.65V
Voltage-Clamping(Max)@Ipp 40V
Power-PeakPulse 40W
PowerLineProtection No
Applications Automotive
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Tổng quan

Description

SZMMBZ4252T1G is a small, surface‑mount transient voltage suppressor (TVS) / Zener diode from the MMBZ family. It is a 2‑terminal device used to clamp voltage spikes and protect sensitive circuitry from ESD and surges. The “4252” generally indicates a nominal Zener/clamp voltage around 4.2 V, though exact specs (VBR, leakage, peak current) come from the datasheet. The “T1G” suffix indicates packaging (tape & reel, RoHS-compliant). Typical applications include protecting power rails and signal lines (e.g., USB, microcontroller I/O). For precise electrical characteristics and pin orientation, consult the manufacturer’s datasheet for SZMMBZ4252T1G.

Equivalent

Equivalent parts (5.2 V Zener, 0.5 W, SOT-23):
- On Semiconductor MMBZ4252B
- NXP/Vishay BZX84C5V2
- Vishay BZT52C5V2
Note: use any 5.2 V Zener in SOT-23 from major vendors as a cross-reference; verify footprint and tolerance for your design.

Features

SZMMBZ4252T1G is a surface-mount, unidirectional Zener diode (0.5 W) in an SZ/MMBZ package, with tape-and-reel T1G shipping. Key features:
- Zener diode for voltage regulation and clamping
- 0.5 W power rating, suitable for small-signal SUP/regulation
- RoHS-compliant, halogen-free
- Zener voltage Vz specified in the datasheet (tolerance ±5%)
- Low reverse leakage and fast response
- Wide operating temperature range (typical -55°C to +150°C)
- Available in T1G tape-and-reel packaging for automated assembly
Note: exact Zener voltage (Vz) and dynamic impedance are specified in the datasheet for this part number.

Pinout

Pin count: 2 pins.
Function: A two-terminal Zener/TVS diode (MMBZ family) used for transient overvoltage and ESD protection, clamps voltage to a safe level on the protected line.

Manufacturer

- Manufacturer: Vishay Intertechnology, Inc. (Vishay)
- Company type: A global manufacturer of electronic components, including semiconductors (diodes, transistors, TVS/zener diodes) and passive components (resistors, capacitors, sensors).

Application

SZMMBZ4252T1G is a small SMD Zener/TVS diode used for overvoltage protection and clamping. Typical application areas include:
- ESD and surge protection for low-voltage data and I/O lines (USB, CAN, I2C/SPI, HDMI, etc.)
- Protection and clamping of microcontroller supply rails and sensitive analog circuits
- Simple shunt regulation/reference in compact power/regulator circuits
- Automotive and industrial electronics requiring transient suppression on power and signal lines
- General purpose voltage protection in consumer electronics and embedded systems
(Uses a nominal ~5.2 V Zener level for clamping.)

Package

SZMMBZ4252T1G is a surface-mount 2-terminal Zener diode in an SOD-123 (SOD-123F) package.

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