SHT30A-DIS-B2.5KS Equivalent & Substitute Parts

Part Overview

The SHT30A-DIS-B2.5KS is an automotive-grade humidity and temperature sensor manufactured by Sensirion AG. This surface-mount component operates across a humidity range of 0 to 100% RH with ±3% RH accuracy and provides digital output via I2C interface. The device is qualified to AEC-Q100 automotive standards and operates across an extended temperature range of -40°C to 125°C. The part is currently in active production status with 2286 units available in inventory.

Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and automotive qualification requirements are met across the specified parameter set.

Key Parameters

Parameter	Value
Sensor Type	Humidity, Temperature
Humidity Range	0 ~ 100% RH
Output Type	I2C
Output Resolution	16-bit
Accuracy	±3% RH
Response Time	8 seconds
Voltage Supply Range	2.4V ~ 5.5V
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package Type	8-VFDFN Exposed Pad (8-DFN 2.5x2.5)
Grade	Automotive
Qualification	AEC-Q100
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SHT30A-DIS-B2.5KS are identified based on strict equivalence across the following critical parameters:

Sensor Type: Humidity and Temperature dual sensing
Humidity Range: 0 to 100% RH full-scale coverage
Output Interface: I2C digital communication protocol
Output Resolution: 16-bit data format
Accuracy Specification: ±3% RH measurement tolerance
Response Time: 8-second sensor response characteristic
Supply Voltage Range: 2.4V to 5.5V operational window
Operating Temperature Range: -40°C to 125°C extended automotive range
Mounting Technology: Surface-mount configuration
Package Footprint: 8-DFN (2.5x2.5mm) form factor
Automotive Grade: AEC-Q100 qualification requirement
Regulatory Compliance: ROHS3 and REACH status alignment

Substitution is valid only when all parameters listed above match exactly between the main part and candidate substitute.

Parameter Comparison

Parameter	SHT30A-DIS-B2.5KS	SHT30A-DIS-B10KS
Manufacturer	Sensirion AG	Sensirion AG
Series	SHT3	SHT3
Product Status	Active	Active
Sensor Type	Humidity, Temperature	Humidity, Temperature
Humidity Range	0 ~ 100% RH	0 ~ 100% RH
Output Type	I2C	I2C
Output Resolution	16-bit	16-bit
Accuracy	±3% RH	±3% RH
Response Time	8 seconds	8 seconds
Voltage Supply Range	2.4V ~ 5.5V	2.4V ~ 5.5V
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount
Package Type	8-VFDFN Exposed Pad	8-VFDFN Exposed Pad
Supplier Device Package	8-DFN (2.5x2.5)	8-DFN (2.5x2.5)
Grade	Automotive	Automotive
Qualification	AEC-Q100	AEC-Q100
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS Code	9025.80.1000	9025.80.1000
Packaging Type	Tape & Reel (TR)	Tape & Reel (TR)
Inventory Status	2286 Pcs New Original In Stock	31654 Pcs New Original In Stock

Engineering Selection Recommendations

Both the SHT30A-DIS-B2.5KS and SHT30A-DIS-B10KS are active production parts from Sensirion AG within the SHT3 series. Both components meet identical electrical specifications, mechanical requirements, and automotive compliance standards.

The primary distinction between these parts is inventory availability. The SHT30A-DIS-B10KS maintains significantly higher stock levels (31654 units) compared to the SHT30A-DIS-B2.5KS (2286 units). Both parts carry AEC-Q100 automotive qualification, ROHS3 compliance, and REACH unaffected status, making them suitable for automotive applications requiring extended temperature operation and high humidity measurement accuracy.

Selection between these equivalent parts should be based on supply chain requirements and lead-time considerations, as all functional and mechanical parameters are identical.

Frequently Asked Questions (FAQ)

Q: Are the SHT30A-DIS-B2.5KS and SHT30A-DIS-B10KS electrically interchangeable?

A: Yes. Both parts operate with identical I2C output protocols, 16-bit resolution, ±3% RH accuracy, and 8-second response time. Supply voltage requirements (2.4V to 5.5V) and operating temperature ranges (-40°C to 125°C) are identical.

Q: Do these parts share the same physical footprint?

A: Yes. Both components use the 8-VFDFN Exposed Pad package with 2.5x2.5mm dimensions. PCB layout and reflow soldering profiles are identical.

Q: Are both parts qualified for automotive applications?

A: Yes. Both the SHT30A-DIS-B2.5KS and SHT30A-DIS-B10KS carry AEC-Q100 automotive qualification and are rated for automotive-grade operation.

Q: What is the difference between these two part numbers?

A: The part numbers differ only in their packaging reel specifications (B2.5KS versus B10KS), which relate to reel diameter and tape configuration. Electrical and mechanical specifications are identical.

Q: Can I use either part in a design without modification?

A: Yes. Both parts are direct substitutes with no design modifications required. Schematic symbols, PCB footprints, and firmware interfaces remain unchanged.

Q: Are both parts ROHS3 compliant?

A: Yes. Both the SHT30A-DIS-B2.5KS and SHT30A-DIS-B10KS are ROHS3 compliant and REACH unaffected.

Q: What is the moisture sensitivity level for these components?

A: Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture-related storage restrictions.

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