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KTY82/210,235 Temperature Sensor - Equivalent & Substitute Parts
Part Overview
The KTY82/210,235 is a PTC thermistor temperature sensor manufactured by NXP USA Inc., rated at 2 kOhms resistance at 25°C in a TO-236-3 (SOT-23-3) surface mount package. The device operates across -55°C to 150°C and is RoHS3 compliant with MSL 1 rating. This part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. Substitute parts must maintain compatible package geometry, electrical operating ranges, and mounting characteristics to ensure direct replacement capability.
Substiute Parts
Key Parameters
| Parameter | KTY82/210,235 |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | KTY82/210,235 |
| Category | Temperature Sensors |
| Description | PTC Thermistor 2 kOhms TO-236-3, SC-59, SOT-23-3 |
| Resistance @ 25°C | 2 kOhms |
| Operating Temperature Range | -55°C ~ 150°C |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the KTY82/210,235 is based on the following critical parameters:
Package Compatibility: All substitute parts must use TO-236-3, SC-59, or SOT-23-3 surface mount packages to ensure mechanical and electrical compatibility with existing PCB layouts.
Operating Temperature Range: The original part operates -55°C to 150°C. Substitute parts are grouped by their sensing temperature capabilities, with preference for parts covering the full or extended range.
Sensor Type & Output: The KTY82/210,235 is a PTC thermistor. Substitute parts listed are analog temperature sensors with analog voltage output, providing functional equivalence for temperature measurement applications.
Compliance & Certification: All substitutes maintain RoHS3 compliance and MSL 1 rating, ensuring regulatory and environmental compatibility.
Product Status & Availability: Active status parts are prioritized for new designs, while obsolete parts may be used for legacy system maintenance.
Parameter Comparison
| Part Number | Manufacturer | Sensor Type | Operating Temperature | Output Type | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|
| KTY82/210,235 | NXP USA Inc. | PTC Thermistor | -55°C ~ 150°C | Resistance | TO-236-3, SOT-23-3 | Obsolete | ROHS3 |
| DS60R+T&R | Analog Devices Inc./Maxim Integrated | Analog, Local | -40°C ~ 125°C | Analog Voltage | TO-236-3, SOT-23-3 | Active | ROHS3 |
| LM60QIM3/NOPB | Texas Instruments | Analog, Local | -40°C ~ 125°C | Analog Voltage | TO-236-3, SOT-23-3 | Obsolete | ROHS3 |
| LM60QIM3X/NOPB | Texas Instruments | Analog, Local | -40°C ~ 125°C | Analog Voltage | TO-236-3, SOT-23-3 | Active | ROHS3 |
| LM62BIM3/NOPB | Texas Instruments | Analog, Local | 0°C ~ 90°C | Analog Voltage | TO-236-3, SOT-23-3 | Obsolete | ROHS3 |
| LM62BIM3X/NOPB | National Semiconductor | Analog, Local | 0°C ~ 90°C | Analog Voltage | TO-236-3, SOT-23-3 | Active | Not specified |
| LM62CIM3X/NOPB | Texas Instruments | Analog, Local | 0°C ~ 90°C | Analog Voltage | TO-236-3, SOT-23-3 | Active | ROHS3 |
| MCP9701T-E/TT | Microchip Technology | Analog, Local | -10°C ~ 125°C | Analog Voltage | TO-236-3, SOT-23-3 | Active | ROHS3 |
| TC1047AVNBTR | Microchip Technology | Analog, Local | -40°C ~ 125°C | Analog Voltage | TO-236-3, SOT-23-3 | Active | ROHS3 |
| TC1047VNBTR | Microchip Technology | Analog, Local | -40°C ~ 125°C | Analog Voltage | TO-236-3, SOT-23-3 | Active | ROHS3 |
Engineering Selection Recommendations
For Extended Temperature Range Applications (-55°C to 150°C): The KTY82/210,235 operates beyond the range of most listed substitutes. No direct substitute covers the full -55°C to 150°C range. Applications requiring the complete original temperature span must evaluate circuit-level modifications or alternative sensor architectures.
For Standard Industrial Range (-40°C to 125°C): DS60R+T&R, LM60QIM3X/NOPB, TC1047AVNBTR, and TC1047VNBTR are active, RoHS3-compliant alternatives. These parts maintain TO-236-3 package compatibility and analog voltage output suitable for direct circuit substitution within the -40°C to 125°C operating window.
For Reduced Temperature Range (0°C to 90°C): LM62BIM3X/NOPB and LM62CIM3X/NOPB provide active alternatives with RoHS3 compliance. These parts are suitable for applications with narrower temperature requirements.
Product Status Consideration: Active status parts (DS60R+T&R, LM60QIM3X/NOPB, LM62BIM3X/NOPB, LM62CIM3X/NOPB, MCP9701T-E/TT, TC1047AVNBTR, TC1047VNBTR) are recommended for new designs. Obsolete parts (LM60QIM3/NOPB, LM62BIM3/NOPB) are available for legacy system support only.
Compliance & Certification: All recommended substitutes maintain RoHS3 compliance and MSL 1 rating, ensuring regulatory alignment with the original part.
Frequently Asked Questions (FAQ)
Q: Can the KTY82/210,235 be directly replaced with any of the listed substitutes?
A: Direct replacement depends on application temperature range. For applications operating within -40°C to 125°C, DS60R+T&R, LM60QIM3X/NOPB, TC1047AVNBTR, and TC1047VNBTR provide package-compatible alternatives. Applications requiring the full -55°C to 150°C range have no direct substitute among the listed parts.
Q: What is the primary difference between the KTY82/210,235 and the analog temperature sensor substitutes?
A: The KTY82/210,235 is a PTC thermistor with resistance-based output, while the listed substitutes are analog temperature sensors with analog voltage output. Both provide temperature measurement capability but use different transduction methods. Circuit interface requirements differ accordingly.
Q: Are all substitute parts available in the same package?
A: Yes. All listed substitute parts use TO-236-3, SC-59, or SOT-23-3 surface mount packages, ensuring mechanical compatibility with existing PCB layouts designed for the KTY82/210,235.
Q: Which substitute part is recommended for new designs?
A: For applications within -40°C to 125°C, TC1047AVNBTR or TC1047VNBTR (Microchip Technology) are recommended. Both are active products with RoHS3 compliance, established supply chains, and proven reliability. DS60R+T&R (Analog Devices Inc./Maxim Integrated) and LM60QIM3X/NOPB (Texas Instruments) are also active alternatives.
Q: What compliance certifications do the substitute parts maintain?
A: All recommended substitutes maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original KTY82/210,235 specifications. Specific automotive qualifications (AEC-Q100) are available on LM60QIM3/NOPB, LM60QIM3X/NOPB, LM62BIM3/NOPB, and LM62CIM3X/NOPB for automotive applications.
Q: How do operating temperature ranges affect substitution decisions?
A: Operating temperature range is a critical substitution parameter. The KTY82/210,235 spans -55°C to 150°C. Substitutes are grouped by range: -40°C to 125°C (DS60R+T&R, LM60 series, TC1047 series) and 0°C to 90°C (LM62 series). Select substitutes based on application temperature requirements; narrower-range parts are unsuitable for applications exceeding their specified limits.
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