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SZBZX84C18LT1G

Name: SZBZX84C18LT1G
Rating: 4.7 (12 reviews)

DIODE ZENER 18V 225MW SOT23-3

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Mfr。パート #SZBZX84C18LT1G
パッケージ TO-236-3, SC-59, SOT-23-3
データシート SZBZX84C18LT1G DataSheet
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仕様

Supplier	onsemi
Package	Tape & Reel (TR),Cut Tape (CT)
Series	Automotive, AEC-Q101
ProductStatus	Active
Voltage-Zener(Nom)(Vz)	18 V
Tolerance	±6%
Power-Max	225 mW
Impedance(Max)(Zzt)	45 Ohms
Current-ReverseLeakage@Vr	50 nA @ 12.6 V
Voltage-Forward(Vf)(Max)@If	900 mV @ 10 mA
OperatingTemperature	-65°C ~ 150°C (TJ)
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

概要

Description

SZBZX84C18LT1G is a surface‑mount Zener diode (BZX84C series) with a nominal 18 V zener voltage. Key points:
- Power: 0.5 W (typical for BZX84 family)
- Zener voltage: 18 V, tolerance ±5% (class C)
- Package: RoHS-compliant, Pb-free; LT1G suffix usually indicates lead-free, tape-and-reel packaging
- Temperature range: broad (typical -55 °C to +125 °C)
- Applications: voltage regulation, references, clamping/protection in low-power circuits
In short: a small, low-power 18 V Zener diode suitable for simple shunt regulation and protection in compact SMD designs.

Features

SZBZX84C18LT1G is a RoHS-compliant 18 V Zener diode (BZX84C series) in an SOT-23 package. Key features:
- Nominal Zener voltage: 18 V
- Power dissipation: 0.5 W
- Tolerance: ±5% (C variant)
- Temperature range: -55°C to +125°C
- Two-terminal, SOT-23 package (lead-free)
- Applications: voltage regulation, voltage reference, clamping/overvoltage protection
- Packaging: tape-and-reel (LT1G variant)

Package

SOT-23 (SOT-23-3) package — a small 3-pin surface-mount package housing a 2-terminal Zener diode.

Pinout

- Pin count: 2 pins (anode and cathode).
- Function: Zener diode (BZX84C18) with ~18 V breakdown, used for voltage regulation/clamping. The cathode is the marked end.

Manufacturer

- Manufacturer: Nexperia.
- What kind of company: A global semiconductor company that designs and manufactures discrete components (like diodes and Zeners), as well as logic devices and MOSFETs; originally a spin-off from Philips/NXP.

Application

SZBZX84C18LT1G is an 18V Zener diode. Typical applications:
- Simple shunt regulator and voltage reference in low-current circuits
- Overvoltage/transient protection by clamping to ~18 V on rails or lines
- Input protection for microcontrollers, op-amps, and data interfaces
- Surge protection in automotive, industrial, and telecom equipment
- Reference element in small regulator networks and level-clamping circuits

Equivalent

SZBZX84C18LT1G is an 18 V, ~0.5 W Zener diode. Common equivalents include BZX84C18 (Diodes Inc.), BZT52C18 (Rohm/Nexperia), BZV55‑C18 (Vishay/MCC) and other 18 V, 500 mW Zener diodes in the same SMD package. Always verify package, power rating, Zener test current and tolerance before substituting.