Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
LM135AH
Texas Instruments
SENSOR ANALOG -55C-150C TO46-3
5456 Pcs New Original In Stock
Temperature Sensor Analog, Local -55°C ~ 150°C 10mV/°C TO-46-3
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (424 Ratings)
LM135AH
Product Overview
1277465
DiGi Electronics Part Number
LM135AH-DGManufacturer
Texas Instruments
LM135AH
Description
SENSOR ANALOG -55C-150C TO46-3Inventory
5456 Pcs New Original In Stock
Temperature Sensor Analog, Local -55°C ~ 150°C 10mV/°C TO-46-3
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
LM135AH Technical Specifications
Category
Temperature Sensors, Analog and Digital Output
Packaging
Bulk
Series
-
Product Status
Active
Sensor Type
Analog, Local
Sensing Temperature - Local
-55°C ~ 150°C
Sensing Temperature - Remote
-
Output Type
Analog Voltage
Voltage - Supply
-
Resolution
10mV/°C
Features
-
Accuracy - Highest (Lowest)
±1°C (±2.7°C)
Test Condition
25°C (-55°C ~ 150°C)
Operating Temperature
-55°C ~ 150°C
Mounting Type
Through Hole
Package / Case
TO-206AB, TO-46-3 Metal Can
Supplier Device Package
TO-46-3
Base Product Number
LM135
Datasheet & Documents
Datasheets
Download LM135AH Product Specification (PDF)
Manufacturer Product Page
LM135AH Specifications
HTML Datasheet
LM135AH-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-38978
TEXTISLM135AH
LM135AH-DG
2156-LM135AH-TI
Standard Package
500
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
The robust packaging confirms their commitment to quality and customer satisfaction.
de desembre 02, 2025
Efficient logistics and quick customer response times make their service exceptionally reliable.
de desembre 02, 2025
Customer care remains top-notch long after I’ve made my purchase.
de desembre 02, 2025
The staff's professionalism stands out—they went above and beyond to ensure my satisfaction.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
What are the key reliability risks when using the LM135AH in high-humidity environments, and how can I mitigate them despite its MSL 1 rating?
Although the LM135AH is rated MSL 1 (unlimited floor life), its TO-46 metal can package is not hermetically sealed to the same standard as military-grade sensors, making it susceptible to long-term corrosion or leakage currents in sustained high-humidity (>85% RH) conditions. To mitigate risk, apply a conformal coating (e.g., silicone or parylene) over the leads and base, avoid direct condensation exposure, and consider potting the assembly if used in outdoor or industrial environments. Regular calibration checks are recommended for mission-critical applications.
Can the LM135AH be directly replaced with the Analog Devices AD590 in a precision temperature measurement circuit without redesigning the signal chain?
No, direct replacement of the LM135AH with the AD590 is not advisable without circuit modifications. The LM135AH outputs a linear voltage (10 mV/°C), while the AD590 is a current-output sensor (1 μA/K). This fundamental difference requires changing the front-end conditioning—replacing voltage amplifiers with transimpedance amplifiers and adjusting reference points. Additionally, the AD590 has different thermal response characteristics and package thermal resistance, which may affect accuracy in dynamic environments. Always validate thermal settling time and offset errors after substitution.
How does self-heating affect the accuracy of the LM135AH in low-airflow enclosures, and what design practices minimize this error?
The LM135AH has a typical supply current of 200–500 μA, which generates internal power dissipation (P = V × I). In still air or enclosed spaces, this can cause self-heating of 1–3°C above ambient, especially with higher supply voltages. To minimize error, operate the device at the lowest practical supply voltage (e.g., 5V instead of 12V), ensure adequate copper pour or thermal vias under the TO-46 package, and avoid placing heat-generating components nearby. For high-precision applications, implement periodic zero-point calibration or use pulsed excitation to reduce average power.
Is the LM135AH suitable for battery-powered IoT edge devices requiring ultra-low power and intermittent temperature sampling?
The LM135AH is suboptimal for ultra-low-power IoT nodes due to its continuous quiescent current (~400 μA typical), which drains batteries during sleep modes. While it offers excellent analog linearity, alternatives like the TMP36 (35 μA) or digital sensors such as the TMP117 (3.5 μA shutdown) are better suited. If you must use the LM135AH, add a MOSFET switch to power it only during sampling cycles and ensure fast thermal stabilization—note that its metal can package has slower response than epoxy-coated sensors, adding latency to valid readings.
When replacing a legacy LM135AH in an aerospace-grade system, how do I evaluate long-term drift and stability compared to newer precision temperature sensors like the Texas Instruments LMT87?
The LM135AH, while robust, lacks published long-term drift data beyond 1,000 hours, making it risky for decade-long aerospace deployments. In contrast, the LMT87 provides documented drift of <0.5°C over 10 years and better initial accuracy (±0.4°C vs ±1°C at 25°C). For legacy system upgrades, conduct an accelerated aging test (e.g., 85°C/85% RH for 500 hours) on the LM135AH and compare against LMT87 baseline readings. If stability is critical, migrate to the LMT87 with appropriate signal scaling—its 10 mV/°C output matches the LM135AH, easing integration—but verify supply voltage compatibility (LMT87 requires 2.7V min vs LM135AH’s 3.5V).
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
LM135AH CAD Models
Texas Instruments LM135AH PCB symbols & footprints
productDetail
