QT4C-32.768KEZF-T

$0.90

Description：4X1.5 - 32.768KHZ QUARTZ XTAL /
Series：QT4C
Mfr：QST
Package：Tape & Reel (TR)

SKU:f86f48e832f2 Category: Crystals Brand: QST

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Product introduction

Product Detailed Parameters

Description：4X1.5 - 32.768KHZ QUARTZ XTAL /
Series：QT4C
Mfr：QST
Package：Tape & Reel (TR)
Type：kHz Crystal (Tuning Fork)
Frequency：32.768 kHz
Frequency Stability：-
Frequency Tolerance：±10ppm
Load Capacitance：12.5pF
ESR (Equivalent Series Resistance)：70 kOhms
Operating Mode：Fundamental
Operating Temperature：-40°C ~ 85°C
Ratings：-
Mounting Type：Surface Mount
Package / Case：2-SMD, No Lead
Size / Dimension：0.161" L x 0.059" W (4.10mm x 1.50mm)
Height - Seated (Max)：0.035" (0.90mm)

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QT4C-32.768KEZF-T

Overview

The QT4C-32.768KEZF-T is a quartz crystal resonator manufactured by TXC Corporation, marketed under the QST brand. It operates at a nominal frequency of 32.768 kHz with a tolerance of ±10ppm at 25°C. The component features a load capacitance of 12.5pF and a series resistance of 70 kOhms. It utilizes a tuning fork type resonator housed in a 2-SMD no-lead package with dimensions of 4.0x1.5mm (body) or 4.2x1.6x0.9mm (overall). The device supports an operating temperature range of -40°C to +85°C and complies with RoHS standards.

Feature Summary

Tuning fork quartz crystal design for stable low-frequency timing
Surface-mount construction with lead-free termination
Wide industrial operating temperature capability

Applications

Real-time clock circuits
Microcontroller system oscillators
Consumer electronic timekeeping modules

Procurement Notes

Verify manufacturer designation as TXC Corporation despite QST branding. Confirm package dimensions match 4.0x1.5mm body size. Ensure load capacitance requirement aligns with 12.5pF specification. Validate RoHS compliance status for environmental regulations. Check active product status before ordering.

Selection Notes

Select this component when a 32.768 kHz reference is required for timekeeping applications. Consider the 12.5pF load capacitance for circuit matching. Evaluate the ±10ppm tolerance against system accuracy needs. Verify surface-mount compatibility with PCB layout constraints.

Part Context

This part belongs to the QT4C series of kHz crystals from TXC Corporation. It shares the 32.768 kHz frequency with other variants like QT3C but differs in package size and load capacitance. The tuning fork architecture distinguishes it from higher-frequency parallel resonant crystals.

Replacement Considerations

QT3CD-32.768KEZC-T offers similar frequency but uses 3.2x1.5mm package and 9pF load capacitance. QT3C-32.768KEZC-T provides alternative sizing with 3.2x1.5x0.75mm dimensions. Verify electrical parameter compatibility before substitution.

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.