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Part number u440
BRAND National Semiconductor [NS]
Date code 2011+rohs!
Summary monolithic dual n-channel JFET, 500mW, -25V, low gate leakage
Description as follow:
The U440 is a monolithic dual n-channel JFET.
U440 absolute maximum ratings: (1)Storage Temperature: -65 to +150 ℃; (2)Operating Junction Temperature: -55 to +135 ℃; (3)Continuous Power Dissipation (Total): 500mW; (4)Gate Current: 50mA; (5)Gate to Drain: -25V; (6)Gate to Source: -25V; (7)Gate to Gate: ±50V.
U440 features: (1)Direct Replacement for SILICONIX U/SST440 & U/SST441; (2)high CMRR: CMRR ≥ 85dB; (3)low gate leakage: IGSS ≤ 1pA.