Recognizing ESP32 WROOM High Temperature (M113DH3200PS3Q0) modules

brainsucker
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Joined: Mon Feb 10, 2020 12:05 pm

Recognizing ESP32 WROOM High Temperature (M113DH3200PS3Q0) modules

Postby brainsucker » Mon Feb 10, 2020 12:24 pm

Hello.

Is there an easy way to distinguish High Temperature (105°C) ESP32 WROOM modules from common (85°C) modules, is there any additional marking?
For example these M113DH3200PS3Q0 modules (mouser # 356-ESPWROOM3200PS3), how can I check if I got the proper modules soldered to my boards (if I'm ordering a PCB assembly)?

PCN-03-2019070102 mentions introduction of additonal 6-bit labeling on modules shielding case, with 0S reserved for 105°C modules, however that'll only work for modules produced from July 15 2019.

Is there any other reliable way to discreet High Temperature modules from the earlier batches (produced before July 2019)?

Thanks.

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