DSC1001DI5-033.3333T Equivalent & Substitute Parts

Part Overview

The DSC1001DI5-033.3333T is a 33.3333 MHz MEMS-based XO (Standard) oscillator manufactured by Microchip Technology. This component operates across a 1.8V to 3.3V supply range with CMOS output and includes standby (power down) functionality. The part is actively produced and maintains full RoHS3 compliance with MSL 1 rating. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when inventory requirements necessitate qualified alternatives.

Key Parameters

Parameter	Value
Frequency	33.3333 MHz
Output Type	CMOS
Supply Voltage Range	1.8V ~ 3.3V
Function	Standby (Power Down)
Operating Temperature	-40°C ~ 85°C
Package Type	4-VDFN / 4-SMD, No Lead
Size	0.098" L x 0.079" W (2.50mm x 2.00mm)
Height (Max)	0.035" (0.90mm)
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the DSC1001DI5-033.3333T is determined by the following critical parameters:

Frequency Match: 33.3333 MHz (exact match required)

Output Configuration: CMOS output (required for circuit compatibility)

Standby Function: Power down capability (functional requirement)

Operating Temperature Range: -40°C to 85°C (minimum required coverage)

Physical Compatibility: 4-pin surface mount package with 2.50mm x 2.00mm footprint and 0.90mm maximum height

Supply Voltage Overlap: Minimum 1.8V to 3.3V operating range or compatible subset

Compliance: RoHS3 and REACH compliance maintained

The SG-210STF 33.3333ML by EPSON meets all substitution criteria. While the base resonator differs (Crystal vs. MEMS) and frequency stability specifications vary, both components satisfy the electrical and mechanical requirements for direct substitution in applications requiring 33.3333 MHz CMOS oscillation with standby functionality.

Parameter Comparison

Parameter	DSC1001DI5-033.3333T (Microchip)	SG-210STF 33.3333ML (EPSON)
Frequency	33.3333 MHz	33.3333 MHz
Output Type	CMOS	CMOS
Supply Voltage Range	1.8V ~ 3.3V	1.6V ~ 3.6V
Function	Standby (Power Down)	Standby (Power Down)
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Frequency Stability	±10ppm	±50ppm
Current - Supply (Max)	7.2mA	2.2mA
Current - Supply (Disable) (Max)	15µA	2.7µA
Package / Case	4-VDFN	4-SMD, No Lead
Size / Dimension	0.098" L x 0.079" W (2.50mm x 2.00mm)	0.098" L x 0.079" W (2.50mm x 2.00mm)
Height - Seated (Max)	0.035" (0.90mm)	0.035" (0.90mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active

Engineering Selection Recommendations

Both the DSC1001DI5-033.3333T and SG-210STF 33.3333ML are active products with full RoHS3 compliance and REACH unaffected status. Selection between these components should be based on:

Microchip DSC1001DI5-033.3333T: Primary selection when frequency stability of ±10ppm is required or when MEMS-based oscillator technology is specified. Higher supply current (7.2mA max) and higher disable current (15µA max) apply.

EPSON SG-210STF 33.3333ML: Suitable alternative when lower power consumption is prioritized (2.2mA max supply current, 2.7µA disable current). Wider supply voltage range (1.6V ~ 3.6V) provides additional design flexibility. Frequency stability of ±50ppm is acceptable for applications with relaxed timing requirements.

Both components maintain identical physical footprints, operating temperature ranges, and compliance certifications, ensuring PCB-level compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the SG-210STF 33.3333ML directly replace the DSC1001DI5-033.3333T on the PCB?

A: Yes. Both components share identical 2.50mm x 2.00mm footprints, 0.90mm maximum height, and 4-pin surface mount configurations. No PCB layout changes are required.

Q: What is the difference between MEMS and Crystal-based oscillators in this comparison?

A: The DSC1001DI5-033.3333T uses MEMS resonator technology while the SG-210STF 33.3333ML uses crystal resonator technology. Both deliver the same 33.3333 MHz CMOS output with standby functionality. The MEMS variant offers tighter frequency stability (±10ppm vs. ±50ppm).

Q: Are there voltage supply compatibility concerns?

A: The DSC1001DI5-033.3333T operates at 1.8V ~ 3.3V while the SG-210STF 33.3333ML operates at 1.6V ~ 3.6V. If your circuit supplies 1.8V to 3.3V, both parts are compatible. The EPSON part provides additional margin at lower voltages (1.6V) and higher voltages (3.6V).

Q: Which part should I select for power-sensitive applications?

A: The SG-210STF 33.3333ML consumes significantly less current: 2.2mA maximum supply current versus 7.2mA for the Microchip part, and 2.7µA disable current versus 15µA. Select the EPSON part for battery-powered or low-power designs.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the DSC1001DI5-033.3333T and SG-210STF 33.3333ML are RoHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity ratings.

Q: What frequency stability should I expect from each part?

A: The DSC1001DI5-033.3333T provides ±10ppm frequency stability. The SG-210STF 33.3333ML provides ±50ppm frequency stability. Select based on your application's timing accuracy requirements.

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