NXP Semiconductors KTY84/130,113

Overview

KTY84/130,113 from NXP Semiconductors is a silicon-based positive temperature coefficient (PTC) temperature sensor in a hermetically sealed SOD68 (DO-34) axial-leaded glass package, with nominal resistance of 1000 Ω at +100 °C, ±0.61 %/K temperature coefficient, and operating range from −40 °C to +300 °C. It serves as a precision analog temperature sensing element in thermal protection circuits, HVAC feedback loops, and industrial oven monitoring.

For engineers reviewing the KTY84/130,113 datasheet, KTY84/130,113 pinout, KTY84/130,113 application, or KTY84/130,113 equivalent, this page delivers verified specifications, validated pin functions, confirmed thermal performance metrics, and real-world use context for high-temperature analog sensing designs.

Technical Context

The KTY84/130,113 operates as a two-terminal passive PTC resistor whose resistance increases predictably with ambient temperature. Its linearized behavior over −40 °C to +300 °C enables direct voltage-to-temperature conversion using simple biasing circuitry without digital compensation.

It requires a maximum continuous sensor current of 2 mA above +200 °C and supports stable operation in still air (τ_th = 20 s), still liquid (τ_th = 1 s), or flowing liquid (τ_th = 0.5 s), making it suitable for both slow-response environmental monitoring and fast-response fluid temperature tracking.

Key Specifications

Pinout & Package

Package: Hermetically sealed glass SOD68 (DO-34) axial-leaded package, 3.04 mm max diameter × 25.4 mm min length, with nickel-plated tinned copper leads.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PTC temperature sensing applications.

Compared with KTY84/130,113, the KTY84/150 offers broader R₁₀₀ tolerance at lower cost, while KTY84/151 trades nominal resistance for enhanced low-temperature accuracy - all three share identical SOD68 packaging, pinout, and thermal time constants, enabling drop-in substitution only after recalibrating the R-T lookup table.

Availability

KTY84/130,113 is available at Aetrix Electronics and suitable for industrial oven monitoring, motor winding protection, and automotive coolant sensing requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for KTY84/130,113 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.

The KTY84 series belongs to NXP's analog sensor portfolio, designed specifically for high-reliability, high-temperature PTC temperature sensing in safety-critical thermal management systems where long-term stability and fail-safe behavior are mandatory.

FAQ

What is the nominal resistance of KTY84/130,113 at +100 °C?

The KTY84/130,113 has a specified resistance range of 970 Ω to 1030 Ω at +100 °C when measured with a continuous sensor current of 2 mA. This 1000 Ω nominal value serves as the primary calibration reference point for linear interpolation across its full −40 °C to +300 °C operating range, and is documented in Table 1 and Table 6 of the NXP datasheet Rev. 06.

Does KTY84/130,113 require external power or signal conditioning?

No, the KTY84/130,113 is a passive two-terminal device that requires only a stable current source (typically 0.5–2 mA) to generate a measurable voltage drop. It does not contain internal amplification, ADC, or digital logic - all signal conditioning must be implemented externally, such as with an op-amp or microcontroller ADC. Its simplicity eliminates quiescent current concerns in battery-operated systems.

Can KTY84/130,113 be used above +200 °C?

Yes, the KTY84/130,113 is rated for continuous operation up to +300 °C, but Table 5 specifies that the maximum continuous sensor current must be reduced to 2 mA when ambient temperature exceeds +200 °C. This limitation prevents excessive self-heating and ensures measurement accuracy remains within published error bands, as confirmed in the Limiting Values section of the datasheet.

What is the thermal time constant of KTY84/130,113 in flowing liquid?

The thermal time constant (τ_th) of KTY84/130,113 in flowing liquid is 0.5 seconds, as stated in Table 6. This value represents the time required for the sensor to reach 63.2 % of the total temperature difference between its initial and final environment, enabling rapid response in coolant, oil, or refrigerant flow monitoring applications where dynamic thermal events must be captured.

Is KTY84/130,113 compatible with lead-free reflow soldering processes?

Yes, the KTY84/130,113 features nickel-plated leads and a hermetically sealed glass package rated for standard lead-free reflow profiles. Its SOD68 outline complies with JEDEC standards for axial devices, and the datasheet confirms compatibility with peak temperatures up to 260 °C for 10 seconds - consistent with IPC/JEDEC J-STD-020 moisture sensitivity level (MSL) requirements for through-hole components.