
Microchip Technology VMK3-9005-32K7680000TR Crystals
Crystals and Oscillators · Microchip Technology
The Microchip Technology VMK3-9005-32K7680000TR is a high-performance tuning fork crystal that provides accurate 32.768 kHz oscillation for wearable, IoT, and low-power embedded systems . With its ±20ppm stability, small SMD package, and RoHS compliance , it is an excellent choice for real-time clock circuits in consumer, medical, and industrial applications .
- Frequency
- 32.768 kHz (tuning fork)
- Frequency Tolerance
- ±20ppm (initial accuracy)
- Operating Mode
- Fundamental
- Operating Temperature
- – 40°C to +85°C
- Aging Stability
- ±5ppm/year (typical)
- Drive Level
- 0.5µW (max)
- Professional sourcingVetted supply chain with documented traceability
- Genuine partsDocumented traceability on every shipment
- ESD-safe handlingOriginal packaging, moisture controlled
- Worldwide shippingConsolidated freight to 100+ countries
Specifications
Reference table for VMK3-9005-32K7680000TR: 12 electrical and mechanical values from Microchip Technology data, ready to copy into your design notes.
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Frequency | 32.768 kHz (tuning fork) | Attribute | Value |
| Frequency Tolerance | ±20ppm (initial accuracy) | Package Type | 2-SMD, No Lead |
| Operating Mode | Fundamental | Dimensions (L × W × H) | 3.20mm × 1.50mm × 0.90mm |
| Operating Temperature | – 40°C to +85°C | Mounting Type | Surface Mount (SMD) |
| Aging Stability | ±5ppm/year (typical) | Termination | Solder Pads |
| Drive Level | 0.5µW (max) | Hermetic Sealing | Ceramic Package |
Product Overview
Product narrative for the Microchip Technology part VMK3-9005-32K7680000TR. Read this before you compare alternates or open an RFQ.
Product Overview
The VMK3-9005-32K7680000TR from Microchip Technology is a highly accurate and reliable 32.768 kHz tuning fork crystal, designed for real-time clocks (RTCs), microcontrollers (MCUs), and ultra-low-power IoT devices. Featuring ±20ppm initial frequency accuracy and ceramic hermetic sealing, this surface-mount crystal provides exceptional stability for wearables, medical devices, and Bluetooth Low Energy (BLE) applications. Housed in a compact 3.2mm x 1.5mm package, the VMK3 series is ideal for space-constrained designs, offering high performance with low power consumption.Key Features
- 32.768 kHz Fundamental Frequency – Precision timing for RTC circuits
- ±20ppm Initial Accuracy – Ensures long-term reliability in timing applications
- Wide Temperature Range (– 40°C to +85°C) – Stable performance in industrial & medical applications
- Small Footprint (3.2mm × 1.5mm) – Saves board space in wearable & IoT devices
- Ceramic Hermetic Sealing – Protects against moisture & environmental stress
- Lead-Free & RoHS Compliant – Compatible with environmentally friendly assembly
- Tape & Reel (TR) Packaging – Optimized for automated SMD assembly
Technical Specifications
Electrical Characteristics
| Parameter | Value |
|---|---|
| Frequency | 32.768 kHz (tuning fork) |
| Frequency Tolerance | ±20ppm (initial accuracy) |
| Operating Mode | Fundamental |
| Operating Temperature | – 40°C to +85°C |
| Aging Stability | ±5ppm/year (typical) |
| Drive Level | 0.5µW (max) |
Mechanical & Package Details
| Attribute | Value |
|---|---|
| Package Type | 2-SMD, No Lead |
| Dimensions (L × W × H) | 3.20mm × 1.50mm × 0.90mm |
| Mounting Type | Surface Mount (SMD) |
| Termination | Solder Pads |
| Hermetic Sealing | Ceramic Package |
| Weight | Lightweight (~10mg) |
Applications
The VMK3-9005-32K7680000TR is optimized for battery-powered and ultra-low-power systems, including:1. Real-Time Clocks (RTCs) & Watch ICs
- MCU backup clocking (STM32, ESP32, etc.)
- Accurate timekeeping for smartwatches & digital clocks
2. Wearable & IoT Devices
- BLE/Wi-Fi synchronization (smart bands, fitness trackers)
- Energy-efficient timekeeping in sensor nodes
3. Medical & Hearing Aid Electronics
- Portable health monitors
- Implantable & wearable medical sensor timing
4. Industrial & Security Systems
- Electronic access control & smart locks
- Metering & data logging equipment
5. Consumer Electronics
- Smart home automation (smart plugs, lighting control)
- Digital audio & infotainment systems
Advantages Over Competing Crystals
✅ Superior Stability (±20ppm) vs. Standard Crystals (±50ppm)
- Maintains better timing accuracy for long-term applications.
✅ Smaller Footprint vs. Larger HC-49/US Crystals
- Saves PCB space in wearables & IoT devices.
✅ Ceramic Encapsulation vs. Metal Can Crystals
- Provides better moisture resistance & shock tolerance.
✅ Low Power Consumption (0.5µW Drive Level)
- Ideal for battery-operated devices (CR2032, coin cells, etc.).
Recommended Circuit & PCB Layout Guidelines
Best Practices for Optimal Performance
- Place Crystal Close to MCU Oscillator Pins (minimize trace length)
- Avoid Running High-Speed Signals Near Crystal Traces (prevents interference)
- Use Load Capacitors as per MCU Datasheet (Typically 6-12pF for RTCs)
- Ensure Proper Soldering (Avoid Excessive Heat for SMT Assembly)
Comparison with Other VMK3 Series Models
| Part Number | Frequency Tolerance | Packaging | Key Distinction |
|---|---|---|---|
| VMK3-9005-32K7680000TR | ±20ppm | Tape & Reel (TR) | Standard accuracy for cost-sensitive designs |
| VMK3-1EE-09-32K7680000TR | ±10ppm | Tape & Reel (TR) | Higher precision for medical/industrial use |
| VMK3-9012-32K7680000TR | ±20ppm | Tape & Reel (TR) | Alternative model with similar specs |
- For best cost-performance balance → Choose VMK3-9005-32K7680000TR
- For ultra-precise timing (±10ppm) → Upgrade to VMK3-1EE-09
Design Resources
5 guides related to VMK3-9005-32K7680000TR and crystals and oscillators topics — background reading before you freeze the schematic.
Frequently Asked Questions
6 practical questions buyers ask about VMK3-9005-32K7680000TR — availability, specs, and how to request a quote.
What is VMK3-9005-32K7680000TR?
The Microchip Technology VMK3-9005-32K7680000TR is a high-performance tuning fork crystal that provides accurate 32.768 kHz oscillation for wearable, IoT, and low-power embedded systems . With its ±20ppm stability, small SMD package, and RoHS compliance , it is an excellent choice for real-time clock circuits in consumer, medical, and industrial applications .
What package is VMK3-9005-32K7680000TR supplied in?
VMK3-9005-32K7680000TR is supplied in 2-SMD, No Lead by Microchip Technology.
What is the operating temperature range of VMK3-9005-32K7680000TR?
VMK3-9005-32K7680000TR operating temperature is – 40°C to +85°C.
What type of component is VMK3-9005-32K7680000TR?
VMK3-9005-32K7680000TR is a Crystals and Oscillators from Microchip Technology.
What are the key specifications of VMK3-9005-32K7680000TR?
Operating Temperature: – 40°C to +85°C; Frequency: 32.768 kHz (tuning fork); Frequency Tolerance: ±20ppm (initial accuracy); Operating Mode: Fundamental; Aging Stability: ±5ppm/year (typical).
Is VMK3-9005-32K7680000TR in stock at MOZ Electronics?
VMK3-9005-32K7680000TR is listed as in stock. Order online when a price is shown, or submit an RFQ for volume pricing and lead time.
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