KD3270046Z Equivalent & Substitute Parts

Part Overview

The KD3270046Z is a 32.768 kHz crystal oscillator manufactured by Diodes Incorporated, part of the SaRonix-eCera™ KD series. This component provides LVCMOS and LVTTL output signals with enable/disable functionality, operating at 3.3V supply voltage. The oscillator is housed in a 4-SMD, No Lead package and is designed for applications requiring precise timing references, such as real-time clocks and low-frequency timing circuits. The product maintains Active status with full RoHS3 compliance and MSL Level 1 rating, indicating broad compatibility with modern manufacturing processes.

Substiute Parts

KD3270046Z
Diodes IncorporatedIn Stock: 1721KD3270046Z Datasheet
KD3270046Z
Current Part
KD3270031
Diodes IncorporatedIn Stock: 1096KD3270031 Datasheet
KD3270031
Parametric Equivalent

Key Parameters

Parameter Value
Frequency 32.768 kHz
Output Type LVCMOS, LVTTL
Supply Voltage 3.3V
Function Enable/Disable
Frequency Stability ±50ppm
Operating Temperature Range -40°C ~ 85°C
Supply Current (Max) 500µA
Supply Current (Disable) 10µA
Package Type 4-SMD, No Lead
Package Dimensions 5.00mm x 3.20mm x 1.35mm (Max Height)
RoHS Status ROHS3 Compliant
MSL Rating 1 (Unlimited)

Substitute Part Grouping Explanation

The KD3270031 qualifies as a parametric equivalent to the KD3270046Z based on identical electrical and mechanical specifications. Substitution eligibility is determined by the following critical parameters:

  • Frequency: Both parts operate at 32.768 kHz
  • Output Configuration: Both provide LVCMOS and LVTTL outputs
  • Supply Voltage: Both require 3.3V operation
  • Enable/Disable Function: Both include this control feature
  • Frequency Stability: Both maintain ±50ppm tolerance
  • Operating Temperature Range: Both support -40°C ~ 85°C
  • Package Type and Dimensions: Both use 4-SMD, No Lead housing with identical footprint (5.00mm x 3.20mm)
  • Current Specifications: Both specify 500µA maximum supply current and 10µA disable current
  • Compliance: Both are ROHS3 compliant with MSL Level 1 rating

Parameter Comparison

Parameter KD3270046Z KD3270031
Manufacturer Diodes Incorporated Diodes Incorporated
Series SaRonix-eCera™ KD SaRonix-eCera™ KD
Frequency 32.768 kHz 32.768 kHz
Output Type LVCMOS, LVTTL LVCMOS, LVTTL
Supply Voltage 3.3V 3.3V
Function Enable/Disable Enable/Disable
Frequency Stability ±50ppm ±50ppm
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Supply Current (Max) 500µA 500µA
Supply Current (Disable) 10µA 10µA
Package Type 4-SMD, No Lead 4-SMD, No Lead
Package Dimensions 5.00mm x 3.20mm x 1.35mm 5.00mm x 3.20mm x 1.35mm
RoHS Status ROHS3 Compliant ROHS3 Compliant
MSL Rating 1 (Unlimited) 1 (Unlimited)
Product Status Active Active

Engineering Selection Recommendations

Both KD3270046Z and KD3270031 are Active products from Diodes Incorporated with identical electrical performance and physical characteristics. Selection between these parts may be based on inventory availability and supply chain considerations. The KD3270046Z currently maintains 1648 units in stock, while the KD3270031 has 990 units available. Both parts carry full ROHS3 compliance and REACH Unaffected status, ensuring regulatory compatibility across global markets. The MSL Level 1 rating for both components eliminates moisture sensitivity concerns during storage and handling. Direct substitution is supported without circuit redesign or board layout modifications.

Frequently Asked Questions (FAQ)

Q: Can KD3270031 be used as a direct replacement for KD3270046Z?

A: Yes. Both parts share identical electrical specifications, frequency output, supply voltage requirements, and physical package dimensions. Direct substitution is supported without circuit modifications.

Q: Are there any differences in output signal characteristics between these parts?

A: No. Both parts provide identical LVCMOS and LVTTL output configurations with the same enable/disable functionality and frequency stability of ±50ppm.

Q: Do these parts have the same PCB footprint?

A: Yes. Both use 4-SMD, No Lead packaging with dimensions of 5.00mm x 3.20mm and maximum seated height of 1.35mm. No layout changes are required for substitution.

Q: What is the significance of the MSL Level 1 rating?

A: MSL Level 1 indicates unlimited shelf life without moisture baking requirements. Both parts can be stored and handled without special moisture control procedures.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both KD3270046Z and KD3270031 are ROHS3 compliant and REACH Unaffected, meeting current regulatory requirements for electronic components.

Q: Is there a difference in power consumption between these parts?

A: No. Both parts specify identical maximum supply current of 500µA during operation and 10µA during disable mode.

Q: Can these oscillators be used interchangeably in real-time clock applications?

A: Yes. The identical 32.768 kHz frequency, ±50ppm stability, and enable/disable functionality make both parts suitable for real-time clock and low-frequency timing applications without performance variation.

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