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Pellistor (VQ) Part Number Suffixes Guide

SGX Sensortech, CDI
PELLISTOR (VQ)
Part Number Suffixes Guide

There are many versions of the popular VQ Pellistors available from SGX. However, in order to understand the part numbering system, you must first understand the suffixes attached to the Pellistor part number. In many cases, an alternative part can be chosen without sacrificing the devices specifications or function.

Below are the definitions of all of the Pellistor suffixes. For additional questions or to submit a technical inquiry please click here.

Can Type Details:
O Standard open can C4 Small diameter closed can with 1.9mm hole
D Open can with baffle for dual devices P1 Closed can with 0.35mm hole
C Standard closed can with 1.9mm hole P2 Closed can with 0.75mm hole
C2 Closed can with 2.0mm hole P3 Closed can with 0.5 mm hole
C3 Closed can with 2.45mm hole M Closed can with no hole at all
Pellistor Type Number Details:
T Open can detector
S Pinhole compensator for reduced hydrogen backoff
B Pins for pcb insertion
Specialized Additional Designators:
A Special electrical selection
AA
AB
X
R Temperature selection
V Dual open cans for acoustic compensation
Z Shockproof mounting
VQ548 / VQ549 ZDW:
W Temperature tested device
VQ546MR:
R Thermal conductivity sensors with a positive output, other M sensors have a negative output.
Other prefixes not covered by the above are used in Infra-Red sensors:
E Thermal conductivity sensors with a positive output, other M sensors have a negative output.
G IC temperature sensor
J, M Different sizes
For more information:
Visit http://sgx.cdistore.com
Click here to submit a technical inquiry
or call CDI toll-free at: 1-800-777-7334