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PT8A3300B (Obsolete)

Ceramic Heating Controller

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Product Description

The PT8A330X is specially designed for ceramic heating control system. It can set the temperature continuously .It can drive SCR directly and detect the heater temperature without extra temperature sensor. It will start heat after power on and has one LED for working state indication. Build-in timer will automatically power off after turn on for 1 hour @ 60Hz or 1.2 hour @ 50Hz (for PT8A3300/1).


  • High watt density Alumina Heaters
  • High current pulse trigger for SCR
  • Quickly Heating-Up and Quickly Lost-Heat-Recover
  • Dual voltage 120VAC / 240VAC
  • Internal 5v zener
  • Insensitive to environment temperature
  • Auto power off(Optional)
  • DIP-8 and SOIC-8 package


  • Ceramic heating controller

Product Specifications

Product Parameters

Heating Element MCH
LED @ Heater On Flash
Auto Off Yes
On/Off Key Slide key in AC line
Driver Type SCR

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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 Request Samples
Qty. Carrier
PT8A3300BPE Obsolete PDIP-8 ROHS 50 TUBE
PT8A3300BWE Obsolete SO-8 LFGP 100 TUBE
PT8A3300BWEX Obsolete SO-8 LFGP 2500 T&R

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)