Just some additional information
The individual diodes for this pair are found under part number 5082-2303.
H
P crosses that diode directly to a 1N5167.
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5082-2303 diode specifications:
??????????? Minimum breakdown voltage VBR (V): 20
??????????? Minimum forward voltage VF (mV): 400
??????????? VF = 1V Max at forward current IF (mA): 35
??????????? Maximum reverse leakage current : IR (nA): 500 at VR (V): 15
??????????? Maximum capacitance CT (pF): 1.0
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5082-2308 diode pair matching test conditions:
¦¤³Õf at If = 0.75V at 20 mA
¦¤°äo at f = 1.0 MHz
Greg