BB178LX,315

Description：DIODE UHF VAR CAP 32V SOD882T
Series：-

SKU:e328d0bc4a6d Category: Variable Capacitance (Varicaps, Varactors) Brand: NXP USA Inc.

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Product introduction

Product Detailed Parameters

Description：DIODE UHF VAR CAP 32V SOD882T
Series：-
Mfr：NXP USA Inc.
Package：Tape & Reel (TR)
Capacitance @ Vr, F：2.75pF @ 28V, 1MHz
Capacitance Ratio：15
Capacitance Ratio Condition：C1/C28
Voltage - Peak Reverse (Max)：32 V
Diode Type：Single
Q @ Vr, F：-
Operating Temperature：-55°C ~ 125°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
Package / Case：SOD-882
Supplier Device Package：SOD2

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BB178LX,315

Overview

The BB178LX,315 is a varactor diode manufactured by NXP Semiconductors. It is designed for RF tuning applications and utilizes an SMD/SMT installation style within the SC-79-2 package (SOT323). The device operates with a reverse voltage of 32 V and features a capacitance of 34.65 pF. It supports a minimum tuning ratio of 13.5 under test conditions of 1 V / 28 V. The component functions as a single configuration unit and is supplied in reel packaging. It is rated for operation between -55 °C and +125 °C.

Feature Summary

Provides variable capacitance for RF circuit tuning
Supports surface mount integration via compact SC-79-2 package
Operates across extended industrial temperature ranges

Applications

RF front-end tuning circuits
Voltage-controlled oscillator (VCO) designs
Frequency synthesizer modules

Procurement Notes

Verify the specific ordering suffix to confirm tape-and-reel quantities and RoHS compliance status. Confirm current availability through authorized distributors as lifecycle status may vary. Ensure the SC-79-2 footprint matches the target PCB layout requirements before finalizing procurement orders.

Selection Notes

Select this component when a single varactor diode with a 32 V reverse voltage rating is required for RF tuning. Verify that the 34.65 pF capacitance value aligns with the target circuit design specifications. Ensure the operating environment remains within the specified -55 °C to +125 °C temperature range for reliable performance.

Part Context

This part belongs to the NXP varactor diode family, specifically engineered for radio frequency applications. It serves as a key passive component for adjusting resonance frequencies in electronic circuits. The BB178 series offers standardized performance metrics suitable for mass production in consumer and industrial electronics.

Replacement Considerations

Check for direct substitutes with identical SC-79-2 footprints and matching electrical parameters. Verify compatibility with existing biasing networks if replacing in active designs.

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.