SZBZX84B18LT1G

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SZBZX84B18LT1G

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DIODE ZENER 18V 225MW SOT23-3

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Especificações

Atributo Valor
Supplier onsemi,Rochester Electronics, LLC
Package / Case Tape & Reel (TR),Cut Tape (CT),Bulk
Series Automotive, AEC-Q101
Part Status Active
Voltage - Zener(Nom)(Vz) 18 V
Power - Max 225 mW
Impedance(Max)(Zzt) 45 Ohms
Current - Reverse Leakage @ Vr 50 nA @ 12.6 V
Voltage - Forward (Vf) (Max) @ If 900 mV @ 10 mA
Operating Temperature -65°C ~ 150°C (TJ)
Mounting Type Surface Mount

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Description

SZBZX84B18LT1G is a surface‑mount Zener diode from the BZX84B family. It has a nominal Zener voltage of 18 V and is a low‑power device (about 0.5 W rating). The “B” variant indicates a tolerance of roughly ±5%. The suffix LT1G marks RoHS/compliant, lead‑free packaging. Typical uses include voltage regulation, clamping/protection, and simple reference roles in compact power supplies and signaling circuits. It’s designed for SMD assembly and is suitable where a stable 18 V clamp/reference is required in small electronics.

Equivalent

SZBZX84B18LT1G is the 18V Zener diode in the BZX84B18 family (SOT-23, 0.5W). Equivalents are the standard BZX84B18LT1G parts from major vendors, e.g., Vishay BZX84B18LT1G, and BZX84B18LT1G from Nexperia/ON Semiconductor/Diodes Inc. Any supplier offering the BZX84B18 in SOT-23 (lead-free) is an equivalent.

Features

SZBZX84B18LT1G features:
- 18 V nominal Zener voltage
- 0.5 W power dissipation
- Tolerance: ±5% (B-grade)
- Surface-mount device (SMD) package
- RoHS-compliant (lead-free)
- Temperature range: typically -55°C to +125°C
- Applications: voltage regulation, reference, overvoltage protection and clamping
Note: exact packaging and spec details are in the datasheet for your specific lot.

Pinout

- Pin count: 3 pins (SOT-23 package).
- Function: 18 V Zener diode for voltage regulation/reference and overvoltage/clamp protection (nominal Zener voltage 18 V in reverse).
- Typical pinout: Pin 1 = cathode, Pin 2 = anode, Pin 3 = cathode (pin 1 and 3 tied internally to cathode).

Manufacturer

Manufacturer: Diodes Incorporated.
Type of company: Diodes Incorporated is a global semiconductor company that designs and supplies discrete components, analog and mixed-signal ICs (including Zener diodes, rectifiers, MOSFETs, protection devices and power-management products) for consumer, computing, industrial and automotive markets.

Application

SZBZX84B18LT1G is an 18 V Zener diode (0.5 W). Common application areas:
- Shunt voltage regulator/reference in low‑power circuits (with a series resistor).
- Overvoltage protection and clamping for power rails and sensitive inputs.
- Reference element in linear regulators and op-amp bias networks.
- Transient/surge protection in telecom, industrial, automotive, and consumer electronics.
- Protection/clamping in DC‑DC converter feedback networks and measurement equipment.

Package

The SZBZX84B18LT1G is supplied in a SOD‑523 (ultra‑small surface‑mount) package, typically shipped on tape-and-reel.

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