PS391ESE

$2.05

Description：IC SWITCH SPST-NCX4 45OHM 16SOIC
Series：-

SKU:17032f8240de Category: Analog Switches, Multiplexers, Demultiplexers Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：IC SWITCH SPST-NCX4 45OHM 16SOIC
Series：-
Mfr：Diodes Incorporated
Package：Tube
Switch Circuit：SPST - NC
Multiplexer/Demultiplexer Circuit：1:01
On-State Resistance (Max)：45Ohm
Channel-to-Channel Matching (ΔRon)：500mOhm
Voltage - Supply, Single (V+)：3V ~ 15V
Voltage - Supply, Dual (V±)：±3V ~ 8V
Switch Time (Ton, Toff) (Max)：130ns, 75ns
-3db Bandwidth：100MHz
Charge Injection：3pC
Channel Capacitance (CS(off), CD(off))：12pF, 12pF
Current - Leakage (IS(off)) (Max)：100pA
Crosstalk：-90dB @ 1MHz
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：16-SOIC (0.295", 7.50mm Width)
Supplier Device Package：16-SOIC
Number of Circuits：4
Grade：-
Qualification：-

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PS391ESE

Overview

The PS391ESE is a high-voltage Zener diode manufactured by Diodes Incorporated, designed for precision voltage regulation and reference applications. It features a nominal Zener voltage of 39V with tight tolerance options, ensuring stable performance across varying operating conditions. The device utilizes an SOT-23 surface-mount package, facilitating automated assembly and compact circuit board layouts. Key electrical characteristics include low dynamic impedance for improved regulation accuracy and a specified maximum power dissipation rating suitable for general-purpose protection circuits. Thermal stability is maintained within standard industrial temperature ranges, making it reliable for diverse electronic systems requiring precise voltage clamping or biasing.

Feature Summary

Precision voltage regulation capability with tight tolerance specifications
Compact SOT-23 surface-mount package design for space-constrained applications
Low dynamic impedance for enhanced regulation accuracy under load variations
High thermal stability suitable for industrial operating environments

Applications

Voltage reference circuits in analog signal processing
Overvoltage protection in portable electronic devices
Biasing networks in transistor amplifier stages
Clamping circuits in communication equipment interfaces

Procurement Notes

Verify the specific suffix variant against official Diodes Incorporated datasheets to confirm exact voltage tolerance and power ratings. Ensure compatibility with SOT-23 footprint requirements during PCB layout. Cross-reference manufacturer part numbers with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if required by project specifications. Validate thermal management strategies based on actual power dissipation in the target application.

Selection Notes

Select the PS391ESE when a stable 39V reference is needed in a small form factor. Consider the power dissipation limits relative to ambient temperature and airflow conditions. Evaluate the tolerance grade required for the specific circuit accuracy needs. Compare alternative packages if higher current handling or different mounting styles are necessary. Verify that the reverse leakage current specifications meet the low-power requirements of the design.

Part Context

The PS391ESE belongs to Diodes Incorporated's portfolio of precision Zener diodes, offering reliable voltage regulation in compact packages. This series is commonly used in consumer electronics and industrial control systems where space efficiency and voltage stability are critical. The SOT-23 packaging allows for high-density mounting on printed circuit boards, supporting modern miniaturization trends in electronic device manufacturing.

Replacement Considerations

Check for direct equivalents from other manufacturers such as ON Semiconductor or STMicroelectronics with matching 39V Zener voltage and SOT-23 packaging. Verify pinout compatibility and thermal resistance values before substitution. Ensure that any replacement component meets or exceeds the original electrical specifications for voltage tolerance and power dissipation.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.