53kHz - "E10.7V"
80kHz - "E10.7T"
110kHz - "10.7HY"
150kHz - "10.7JA" or "JB"
The 150kHz "JB" type seems to have broader leads than type "JA"
180kHz - "E10.7S"
230kHz - "E10.7M"
260kHz - "E10.7P"
Test Fixture
