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PMBT4401
NPN switching transistor
1 October 2025
Product data sheet
1. General description
NPN switching transistor in a small SOT23 Surface-Mounted Device (SMD) plastic package. PNP complement: PMBT4403
2. Features and benefits
• High current (max. 600 mA) • Low voltage (max. 40 V)
3. Applications
• Industrial and consumer switching applications
4. Quick reference data
Table 1. Quick reference data
Symbol
Parameter
VCEO
collector-emitter voltage
IC
collector current
hFE
DC current gain
Conditions open base
VCE = 1 V; IC = 150 mA; pulsed; tp ≤ 300 µs; δ ≤ 0.02; Tamb = 25 °C
Min Typ Max Unit
-
-
40
V
-
-
100 -
600 mA 300
5. Pinning information
Table 2.
PMBT4401 Datasheet
