FD3300021 Equivalent & Substitute Parts

Part Overview

The FD3300021 is a 33 MHz XO (Standard) CMOS Oscillator manufactured by Diodes Incorporated, part of the SaRonix-eCera™ FD series. This surface mount crystal oscillator operates at 3.3V with Enable/Disable functionality and is housed in a 4-SMD, No Lead package. The device is Active status and ROHS3 compliant. Substitute parts may be required due to inventory availability, packaging format preferences, or specific operating temperature and frequency stability requirements for particular applications.

Substiute Parts

FD3300021

Diodes IncorporatedIn Stock: 799FD3300021 Datasheet

Current PartRFQ

FD3300020

Diodes IncorporatedIn Stock: 1162FD3300020 Datasheet

UpgradeRFQ

FD3300023

Diodes IncorporatedIn Stock: 1169FD3300023 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FD3300021 is determined by the following critical parameters: frequency (33 MHz), output type (CMOS), supply voltage (3.3V), function (Enable/Disable), package type (4-SMD, No Lead), and physical dimensions (5.00mm x 3.20mm). Variations in frequency stability (±50ppm vs ±20ppm), operating temperature range (-20°C ~ 70°C vs -40°C ~ 85°C), and packaging format (Tape & Reel vs Bulk) do not prevent substitution but may affect suitability for specific applications. All identified substitutes maintain identical core electrical and mechanical specifications, ensuring pin-compatible and functionally equivalent operation.

Parameter Comparison

Engineering Selection Recommendations

All three parts—FD3300021, FD3300020, and FD3300023—are Active status products from Diodes Incorporated and maintain ROHS3 compliance and MSL 1 rating. Selection between these parts should be based on specific application requirements:

FD3300020 offers improved frequency stability at ±20ppm compared to the ±50ppm specification of FD3300021 and FD3300023, making it suitable for applications requiring tighter frequency tolerance. However, it maintains the same operating temperature range as FD3300021 (-20°C ~ 70°C).

FD3300023 extends the operating temperature range to -40°C ~ 85°C, providing broader environmental compatibility compared to FD3300021 and FD3300020. This makes FD3300023 appropriate for industrial or automotive applications requiring extended temperature operation.

Packaging format differs between parts: FD3300021 is supplied in Tape & Reel format, while FD3300020 and FD3300023 are supplied in Bulk format. Selection should align with procurement and assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can FD3300020 replace FD3300021 in my circuit? A: Yes. FD3300020 is electrically and mechanically compatible with FD3300021. Both operate at 33 MHz, 3.3V, with CMOS output and Enable/Disable function in identical 4-SMD, No Lead packages. FD3300020 provides superior frequency stability (±20ppm vs ±50ppm) and maintains the same operating temperature range (-20°C ~ 70°C).

Q: What is the difference between FD3300023 and FD3300021? A: FD3300023 and FD3300021 are functionally equivalent with identical electrical specifications and package dimensions. The primary difference is operating temperature range: FD3300023 operates from -40°C ~ 85°C, while FD3300021 operates from -20°C ~ 70°C. Both maintain ±50ppm frequency stability.

Q: Does packaging format affect electrical performance? A: No. Tape & Reel (TR) and Bulk packaging formats do not affect electrical or mechanical performance. The difference is in supply format: Tape & Reel is used for automated assembly processes, while Bulk is used for manual or alternative assembly methods.

Q: Are all three parts pin-compatible? A: Yes. FD3300021, FD3300020, and FD3300023 share identical 4-SMD, No Lead package geometry with dimensions of 5.00mm x 3.20mm and maximum seated height of 1.30mm. All parts are direct pin-compatible replacements.

Q: Which part should I select for extended temperature applications? A: FD3300023 is the appropriate selection for applications requiring operation beyond -20°C or above 70°C, as it supports the extended range of -40°C ~ 85°C. FD3300021 and FD3300020 are limited to -20°C ~ 70°C.

Q: Which part offers the best frequency stability? A: FD3300020 provides the tightest frequency stability specification at ±20ppm. FD3300021 and FD3300023 both specify ±50ppm frequency stability.