SIT8225AI-3F-33E-25.000000Y Equivalent & Substitute Parts

Part Overview

The SIT8225AI-3F-33E-25.000000Y is a 25 MHz MEMS oscillator manufactured by SiTime, configured as an XO (Standard) with LVCMOS/LVTTL output and 3.3V supply voltage. This device features Enable/Disable functionality in a 4-SMD, No Lead surface mount package. The part is classified as Not For New Designs, making identification of active equivalent alternatives essential for ongoing production and new design implementations.

Substiute Parts

Key Parameters

Parameter Value
Manufacturer Part Number SIT8225AI-3F-33E-25.000000Y
Manufacturer SiTime
Series SiT8225
Frequency 25 MHz
Output Type LVCMOS, LVTTL
Voltage - Supply 3.3V
Function Enable/Disable
Frequency Stability ±10ppm
Operating Temperature -40°C ~ 85°C
Current - Supply (Max) 33mA
Package / Case 4-SMD, No Lead
Size / Dimension 0.197" L x 0.126" W (5.00mm x 3.20mm)
Height - Seated (Max) 0.031" (0.80mm)
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Product Status Not For New Designs

Substitute Part Grouping Explanation

Substitution of the SIT8225AI-3F-33E-25.000000Y is determined by strict equivalence across the following critical parameters:

  • Frequency: 25 MHz
  • Output Type: LVCMOS, LVTTL
  • Voltage - Supply: 3.3V
  • Function: Enable/Disable
  • Frequency Stability: ±10ppm
  • Operating Temperature Range: -40°C ~ 85°C
  • Package / Case: 4-SMD, No Lead
  • Physical Dimensions: 0.197" L x 0.126" W (5.00mm x 3.20mm)
  • Height - Seated (Max): 0.031" (0.80mm)
  • Current - Supply (Max): 33mA
  • Mounting Type: Surface Mount
  • RoHS Status: ROHS3 Compliant
  • Moisture Sensitivity Level: 1 (Unlimited)

The SiT8208 series provides direct functional equivalents with identical electrical and mechanical specifications. Both substitute parts maintain full parameter compatibility with the original SIT8225AI-3F-33E-25.000000Y design.

Parameter Comparison

Parameter SIT8225AI-3F-33E-25.000000Y SIT8208AI-3F-33E-25.000000Y SIT8208AI-3F-33E-25.000000T
Manufacturer SiTime SiTime SiTime
Series SiT8225 SiT8208 SiT8208
Frequency 25 MHz 25 MHz 25 MHz
Output Type LVCMOS, LVTTL LVCMOS, LVTTL LVCMOS, LVTTL
Voltage - Supply 3.3V 3.3V 3.3V
Function Enable/Disable Enable/Disable Enable/Disable
Frequency Stability ±10ppm ±10ppm ±10ppm
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Current - Supply (Max) 33mA 33mA 33mA
Package / Case 4-SMD, No Lead 4-SMD, No Lead 4-SMD, No Lead
Size / Dimension 0.197" L x 0.126" W (5.00mm x 3.20mm) 0.197" L x 0.126" W (5.00mm x 3.20mm) 0.197" L x 0.126" W (5.00mm x 3.20mm)
Height - Seated (Max) 0.031" (0.80mm) 0.031" (0.80mm) 0.031" (0.80mm)
Mounting Type Surface Mount Surface Mount Surface Mount
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) 1 (Unlimited)
Product Status Not For New Designs Active Active

Engineering Selection Recommendations

Both SIT8208AI-3F-33E-25.000000Y and SIT8208AI-3F-33E-25.000000T are direct substitutes for the SIT8225AI-3F-33E-25.000000Y. The primary distinction between these alternatives is product status: the SiT8225 series is classified as Not For New Designs, while both SiT8208 variants maintain Active status.

For new design implementations, the SiT8208 series is the appropriate selection. Both SiT8208 variants provide identical electrical and mechanical compatibility with existing SIT8225AI-3F-33E-25.000000Y designs. The difference between SIT8208AI-3F-33E-25.000000Y and SIT8208AI-3F-33E-25.000000T relates to packaging designation (Y versus T suffix), with both meeting ROHS3 compliance and MSL 1 requirements.

Frequently Asked Questions (FAQ)

Q: Can SIT8208AI-3F-33E-25.000000Y and SIT8208AI-3F-33E-25.000000T be used interchangeably with SIT8225AI-3F-33E-25.000000Y?

A: Yes. Both SiT8208 variants maintain identical electrical specifications, frequency output, supply voltage, output type, and physical package dimensions. All three parts are pin-compatible and functionally equivalent.

Q: What is the difference between the Y and T packaging designations?

A: The Y and T suffixes indicate different packaging formats within the Tape & Reel (TR) category. Both variants are surface mount 4-SMD, No Lead packages with identical electrical and mechanical specifications.

Q: Why is the SIT8225AI-3F-33E-25.000000Y marked as Not For New Designs?

A: The SiT8225 series has been superseded by the SiT8208 series. For new design implementations, SiTime recommends using the active SiT8208 variants to ensure long-term component availability and support.

Q: Are there any compliance or certification differences between these parts?

A: No. All three parts are ROHS3 Compliant, REACH Unaffected, and carry MSL 1 (Unlimited) moisture sensitivity ratings. Compliance certifications are identical across all variants.

Q: What is the inventory status for these substitute parts?

A: SIT8225AI-3F-33E-25.000000Y: 967 Pcs; SIT8208AI-3F-33E-25.000000Y: 1065 Pcs; SIT8208AI-3F-33E-25.000000T: 761 Pcs.

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