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DATA SHEET
MMBT3904W
NPN GENERAL PURPOSE SWITCHING TRANSISTOR
VOLTAGE 40 Volts POWER 150 mWatts SOT-323
FEATURES
• NPN epitaxial silicon, planar design
• Collector-emitter voltage VCE = 40V
• Collector current IC = 200mA • Both normal and Pb free product are available :
Normal : 80~95% Sn, 5~20% Pb Pb free: 98.5% Sn above
.087(2.2) .070(1.8)
.054(1.35) .045(1.15)
.004(.10)MIN. .087(2.2) .078(2.0)
Unit: inch (mm)
MECHANICAL DATA
Case: SOT-323, Plastic
Terminals: Solderable per MIL-STD-202, Method 208
Approx. Weight: 0.0052 gram
Marking: S1A
Top View
3 Collector
1 BASE
3 COLLECTOR
.056(1.40) .047(1.20)
.004(.10)MAX.
.006(.15) .002(.05)
.016(.40) .078(.20)
.044(1.1) .035(0.