SFM3000-200C Equivalent & Substitute Parts

Part Overview

The SFM3000-200C is a gas flow sensor manufactured by Sensirion AG, designed for air and gas flow measurement applications with a sensing range of 0 to 1.25 mbar. This component operates at 5V input and features an I2C interface with a male connector of 0.8661" (22mm) in plastic housing. The product is classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product line. Identifying equivalent and substitute parts is necessary for applications requiring continued support, legacy system maintenance, or when the original part becomes unavailable.

Substiute Parts

SFM3000-200C

Sensirion AGIn Stock: 30277SFM3000-200C Datasheet

Current PartRFQ

SFM3003-300-CE

Sensirion AGIn Stock: 1178SFM3003-300-CE Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The SFM3003-300-CE is identified as the manufacturer-recommended substitute for the SFM3000-200C. Substitution eligibility is determined by the following critical parameters:

Mechanical Compatibility:

• Port size: Both parts feature male connectors of 0.8661" (22mm), ensuring physical compatibility

Electrical Compatibility:

• Communication protocol: Both parts use I2C interface
• Voltage input range: SFM3003-300-CE accepts 2.7V ~ 5.5V, which encompasses the 5V requirement of the original application

Functional Compatibility:

• Flow sensor type: Both are gas flow sensors
• Manufacturer: Both are produced by Sensirion AG, ensuring consistency in design philosophy and support

Environmental Compliance:

• RoHS3 compliance maintained across both parts
• REACH unaffected status consistent

Operational Differences: The SFM3003-300-CE operates across an extended sensing range (-150 ~ +300 SLPM) compared to the SFM3000-200C (0 ~ 1.25 mbar), and features an expanded operating temperature range (-20°C ~ 85°C). The substitute uses steel housing instead of plastic, providing enhanced durability. The SFM3003-300-CE carries an "Active" product status, confirming ongoing manufacturer support.

Parameter Comparison

Engineering Selection Recommendations

The SFM3003-300-CE is the appropriate substitute for the SFM3000-200C based on the following engineering criteria:

Product Lifecycle Status: The SFM3000-200C is designated "Not For New Designs," indicating end-of-life status. The SFM3003-300-CE maintains "Active" product status with ongoing manufacturer support, making it suitable for applications requiring long-term component availability and technical support.

Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring compatibility with current environmental and regulatory requirements.

Interface Compatibility: The I2C communication protocol and mechanical connector specifications are identical, allowing direct integration into existing system designs with minimal modification.

Electrical Specifications: The SFM3003-300-CE voltage input range (2.7V ~ 5.5V) fully accommodates the 5V requirement of the original application, providing operational margin.

Environmental Performance: The extended operating temperature range of the SFM3003-300-CE (-20°C ~ 85°C) provides additional thermal headroom compared to the original part (-20°C ~ 80°C).

Frequently Asked Questions (FAQ)

Q: Can the SFM3003-300-CE be used as a direct replacement for the SFM3000-200C?

A: Yes. Both parts share identical port sizes (male, 0.8661" / 22mm), communication protocols (I2C), and voltage compatibility (5V operation within the SFM3003-300-CE range of 2.7V ~ 5.5V). Physical and electrical integration is compatible.

Q: What are the key differences between these two parts?

A: The primary differences are sensing range specification (0 ~ 1.25 mbar versus -150 ~ +300 SLPM), housing material (plastic versus steel), operating temperature range (-20°C ~ 80°C versus -20°C ~ 85°C), and product lifecycle status (Not For New Designs versus Active).

Q: Why is the SFM3000-200C marked "Not For New Designs"?

A: This designation indicates the part has been superseded in the manufacturer's product portfolio. The SFM3003-300-CE represents the current generation equivalent, offering improved specifications and ongoing manufacturer support.

Q: Does the change from plastic to steel housing affect system integration?

A: The connector interface and dimensions remain identical. The steel housing of the SFM3003-300-CE provides enhanced mechanical durability and may offer improved thermal characteristics, but does not affect electrical or mechanical compatibility.

Q: Are there any packaging differences between these parts?

A: Both parts are supplied in Tray packaging. Inventory availability and lead times may differ based on current manufacturer stock levels.

Q: What is the significance of the extended sensing range in the SFM3003-300-CE?

A: The SFM3003-300-CE supports bidirectional flow measurement (-150 ~ +300 SLPM) compared to the unidirectional range of the SFM3000-200C (0 ~ 1.25 mbar). Applications requiring only positive flow measurement within the original range will operate within the linear region of the substitute part.