SE97TL,147 Temperature Sensor - Equivalent & Substitute Parts

Part Overview

The SE97TL,147 is a temperature monitoring system (sensor) designed for DIMM DDR memory applications, manufactured by NXP USA Inc. This component features an internal sensor with I2C/SMBus output interface, operating across -40°C to 125°C with ±3°C maximum accuracy. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

SE97TL,147

NXP USA Inc.In Stock: 887SE97TL,147 Datasheet

Current PartRFQ

SE97BTP,547

NXP SemiconductorsIn Stock: 4060SE97BTP,547 Datasheet

MFR RecommendedRFQ

AT30TSE002A-MAH-T

Microchip TechnologyIn Stock: 786AT30TSE002A-MAH-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the SE97TL,147 are identified based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

• Sensor function: Temperature monitoring for DIMM DDR memory applications
• Output interface: I2C/SMBus protocol compatibility
• Temperature sensing range: -40°C to 125°C minimum coverage
• Supply voltage: 3V to 3.6V operating range
• Mounting: Surface mount, 8-pin package format
• Output capabilities: Alarm and fan control outputs

Identified Substitute Parts:

1. SE97BTP,547 (NXP Semiconductors) - Direct manufacturer evolution, active product status
2. AT30TSE002A-MAH-T (Microchip Technology) - Cross-manufacturer alternative with compatible electrical and mechanical specifications

Parameter Comparison

Engineering Selection Recommendations

SE97BTP,547 (NXP Semiconductors): This component represents the direct product line continuation from the obsolete SE97TL,147. Both parts share identical functional specifications, temperature ranges, accuracy ratings, and output capabilities. The SE97BTP,547 maintains active product status with higher inventory availability. The primary distinction is the package designation change from 8-HXSON to 8-HWSON and MSL rating increase from 1 to 3. This substitute is recommended for applications requiring direct functional equivalence and NXP manufacturer continuity.

AT30TSE002A-MAH-T (Microchip Technology): This cross-manufacturer alternative provides compatible I2C/SMBus interface and surface mount 8-pin package format. The AT30TSE002A-MAH-T operates within the required voltage supply range and covers the critical temperature sensing window. Key differences include lower minimum sensing temperature (-20°C versus -40°C), improved accuracy specification (±1°C at 75°C ~ 95°C), and absence of dedicated fan control output. This substitute is suitable for applications where the extended low-temperature sensing capability of the original part is not required and where fan control functionality can be managed through alternative system architecture.

Both substitutes maintain ROHS3 compliance and REACH unaffected status, consistent with the original component specifications.

Frequently Asked Questions (FAQ)

Q: Can SE97BTP,547 be used as a direct replacement for SE97TL,147? A: Yes. Both components share identical electrical specifications including temperature range (-40°C ~ 125°C), accuracy (±3°C Max), supply voltage (3V ~ 3.6V), and I2C/SMBus output interface with alarm and fan control capabilities. Package designation differs (8-HWSON versus 8-HXSON), but both are 8-pin surface mount formats with 2x3mm dimensions.

Q: What are the limitations of AT30TSE002A-MAH-T as a substitute? A: The AT30TSE002A-MAH-T does not provide dedicated fan control output functionality. The minimum sensing temperature is -20°C rather than -40°C. These differences require system-level evaluation to determine suitability for specific applications.

Q: Are all three components pin-compatible? A: All three components use 8-pin surface mount packages with identical 2x3mm dimensions. However, internal pin assignments and protocol implementations may differ. Schematic and firmware verification is required before implementation.

Q: What is the significance of MSL rating differences? A: The SE97TL,147 carries MSL 1 (unlimited moisture sensitivity level), while both substitutes carry MSL 3 (168 hours). This affects storage and handling requirements. MSL 3 components require controlled storage conditions and have a 168-hour floor life after moisture exposure.

Q: Do all substitutes support I2C/SMBus protocol? A: Yes. All three components provide I2C/SMBus output interface, ensuring protocol compatibility at the system level.

Q: Which substitute is recommended for new designs? A: SE97BTP,547 is recommended for new designs requiring direct functional equivalence to the obsolete SE97TL,147. AT30TSE002A-MAH-T is suitable when extended low-temperature sensing (-40°C) is not required and cross-manufacturer sourcing is acceptable.