onsemi 4.7 V 250 mW Zener Diode Single Element Surface Mount SOT-23 SZBZX84C4V7LT1G

onsemi SZBZX84C4V7LT1G is a high-reliability 4.7 V Zener diode designed as a voltage regulator for electronic circuits that require stable reference voltage. Housed in a compact, surface mount plastic SOT-23 3-pin package, it is optimized for automatic board assembly and high-density PCB designs commonly used in mobile phones, communication devices, and precision power supplies.

This diode supports a maximum power dissipation of 250 mW on standard FR-4 or FR-5 boards, with a tightly controlled ±5% Zener voltage tolerance and a maximum nominal Zener impedance of 80 Ω guaranteeing precise voltage maintenance under load conditions. The device operates safely within a temperature range from -65 °C to 150 °C, ensuring robustness even in extreme environments.

The component meets automotive requirements with the AEC-Q101 standard, making it suitable for automotive electronics applications. The diode’s casing is a transfer-molded, thermosetting plastic construction with a corrosion-resistant finish that facilitates long-term solderability. The cathode is clearly marked with a polarity band, simplifying installation and preventing incorrect orientation.

Single element configuration ideal for voltage regulation purposes. Surface mount SOT-23 package type provides space-saving benefits in compact designs. Reliable and stable performance over a wide operating temperature range.

Small package size assists in high-density board layouts. 250 mW power rating suitable for low-power applications. Corrosion-resistant finish enhances soldering and durability. Meets automotive standard AEC-Q101 for quality assurance in automotive electronics.

Compact dimensions with length 3.04 mm and height 1.11 mm enable miniaturization. Maximum case temperature for soldering is 260 °C for 10 seconds, ensuring compatibility with standard assembly processes.

This Zener diode is well-suited for industrial, automotive, telecommunications, and consumer electronic applications where small size and reliable voltage regulation are critical. It is commonly used in voltage reference circuits, protection circuits, and power supply stabilization, offering a balance between compact design and robust electrical performance.

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