2N6441 (SILICON)
thru
2N6448
MULTIPLE SILICON ANNULAR MONOLITHIC TRANSISTORS
... designed for use as differential amplifiers, dual general-purpose amplifiers, front end detectors and temperature compensation" applications.
Excellent Temperature Tracking - 2N6445 thru 2N6448
"'IVBEl - VBE21 = 0.8 mVdc (Maxi @-55 to +250 C
= 1.0 mVdc (Maxi @+25 to +1250 C ...