BZX84B4V7LT1G

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BZX84B4V7LT1G

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DIODE ZENER 4.7V 250MW SOT23-3

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Especificações

Atributo Valor
Supplier onsemi
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Voltage - Zener(Nom)(Vz) 4.7 V
Tolerance ±1.91%
Power - Max 250 mW
Impedance(Max)(Zzt) 80 Ohms
Current - Reverse Leakage @ Vr 3 µA @ 2 V
Voltage - Forward (Vf) (Max) @ If 900 mV @ 10 mA
Operating Temperature -65°C ~ 150°C (TJ)
Mounting Type Surface Mount

Visão Geral

Description

BZX84B4V7LT1G is a Zener diode from the BZX84 family. It provides a fixed Zener voltage of about 4.7 V for clamping or regulation in small-signal, surface-mount designs.
Key points:
- Zener voltage: ≈ 4.7 V
- Tolerance: typically ±5% (the “B” variant)
- Power rating: around 0.5 W (at 25°C)
- Package: tiny SMD, RoHS-compliant; LT1G denotes the specific tape/lot/package variant
- Uses: voltage regulation, reference/clamping, surge protection
- Connection: cathode to the higher voltage, anode to ground
In circuits, it’s often used to clamp supply rails near 4.7 V or to provide a simple reference for small regulator circuits.

Equivalent

Common equivalents to the BZX84B4V7LT1G (4.7 V Zener) include: BZX84C4V7 (other manufacturer codes), BZX84B4V7 (alternate suffixes), BZT52B4V7 / BZT52C4V7 (SOD‑123), MMSZ5247B, and 1N5247B (through‑hole). Always verify package, power rating (≈250 mW vs 500 mW), tolerance and knee/IZ characteristics before substituting.

Features

BZX84B4V7LT1G is a 4.7 V Zener diode in an SOT-23 package. Key features:
- Nominal Zener voltage: 4.7 V
- Power rating: 0.5 W
- Package: SOT-23 (3-pin; two terminals used)
- Tolerance: B grade ≈ ±5%
- Temperature range: -55°C to +125°C (industrial)
- RoHS-compliant, lead-free (LT1G)
- Reverse breakdown around 4.7 V; IZT ≈ 5 mA (test current)
- Applications: voltage regulation, references, and overvoltage protection in compact circuits
Note: Suitable for low-power, surface-mount Zener needs with modest precision.

Pinout

- Pin count: 2 (two-terminal SMD diode).
- Function: BZX84B4V7LT1G is a BZX84 series 4.7 V Zener diode (small‑signal, SMD). It provides a 4.7 V voltage reference/clamping for low‑power voltage regulation, transient suppression and voltage reference duties in compact surface‑mount circuits.

Manufacturer

Manufacturer: Diodes Incorporated.
What kind of company: Diodes Incorporated is a global semiconductor manufacturer that designs and supplies discrete semiconductors, MOSFETs, logic, analog and mixed‑signal ICs for consumer, industrial, computing and automotive markets.

Application

BZX84B4V7LT1G is a 4.7 V Zener diode (SOT-23). Common applications:
- Shunt regulator for low‑current power supplies and bias networks
- Voltage reference for op‑amps, comparators, and ADCs
- Clamping/protection on 4–5 V rails and signal lines against overvoltage and transients
- Simple surge protection in consumer electronics and battery‑powered gear
- Level shifting and biasing in small‑signal circuits

Package

The BZX84B4V7LT1G is a Zener diode in a SOT-23 (3-pin) surface-mount package, RoHS lead-free version.

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