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5LED Ceramic Heating Controller

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Product Description

The PT8A3252/54 is specially designed for ceramic heating control with 5 internal level of 130°C, 145°C, 160°C, 175°C, 190°C. And the temperature range can be adjusted from 100°C to 250°C by external series resistance. It can drive SCR directly and detect heater temperature by heater-self without extra temperature sensor. It has 3 keys for function setting, 5 LEDs for working status indication. The PT8A3252 has an internal timer; it timeouts and device will stop heating automatically after 216000 clock period, ie. 1 hour for 60Hz and 1.2 hour for 50Hz. The circuit of Over-Heat Protection will be working for safety when heater temperature reached to 250°C. The chip is packaged in lead free DIP-16 and SOIC-16.


  • Pulse trigger with high current for SCR
  • Quickly Heating-Up and Quickly Lost-HeatRecover
  • External Adjustable to fit wide range heating plates
  • External Adjustable to different TCR of sensors
  • Full temperature compensation and insensitive to environment temperature
  • 5 Heat Temperature Settings
  • Auto power off (only for PT8A3252)
  • Over Temperature protection
  • DIP-16 and SOIC-16 packages


  • Ceramic Heating Controller
  • High watt density Alumina Heaters 

Product Specifications

Product Parameters

Heating Element MCH
LED @ Heater On Remark
Auto Off Yes
On/Off Key Three Keys (ON & OFF Key, Up/Down Key)
Driver Type SCR

Related Content


Technical Documents

Recommended Soldering Techniques


Additional Technical Documents are available upon request:
Application information, Evaluation board, and Other technical documents

Request Documents
Orderable Part Number Status Package Environmental Compliance Packing Buy from Distributor /
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Request Samples
Qty. Carrier
PT8A3252PE Obsolete PDIP-16 ROHS 25 TUBE
PT8A3252WE Active SO-16 GREEN 50 TUBE


Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 489 11/26/2022 South America, North America, Asia, Europe, Middle East Buy Now
Request Sample
PT8A3252WEX Active SO-16 GREEN 2500 T&R Contact Sales Request Sample

Environmental Compliance Legend:
LFF: Pb-Free Finish and RoHS 5/6
TLFP: Totally Pb-Free Product and RoHS 6/6
LFGP: Pb-free Finish and Green Product, RoHS 5/6 and Halogen Free
TPGP: Totally Pb-Free and Green Product, RoHS 6/6 and Halogen Free
GREEN: Halogen-free and RoHS compliant
RoHS: RoHS compliant but NOT halogen-free

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2280 2017-07-12 2018-01-12 Device End of Life (EOL)