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PDTC143X series
NPN resistor-equipped transistors; R1 = 4.7 k, R2 = 10 k
Rev. 10 -- 16 November 2009 Product data sheet

1. Product profile

1.1 General description
NPN Resistor-Equipped Transistors (RET) family.

Table 1. Product overview
Type number Package PNP complement
NXP JEITA JEDEC
PDTC143XE SOT416 SC-75 - PDTA143XE
PDTC143XEF SOT490 SC-89 - PDTA143XEF
PDTC143XK SOT346 SC-59A TO-236 PDTA143XK
PDTC143XM SOT883 SC-101 - PDTA143XM
PDTC143XS[1] SOT54 SC-43A TO-92 PDTA143XS
PDTC143XT SOT23 - TO-236AB PDTA143XT
PDTC143XU SOT323 SC-70 - PDTA143XU

[1] Also available in SOT54A and SOT54 variant packages (see Section 2).

1.2 Features
Built-in bias resistors Reduces component count
Simplifies circuit design Reduces pick and place costs
100 mA output current capability

1.3 Applications
Digital applications Cost-saving alternative for BC847 series
in digital applications
Controlling IC inputs Switching loads

1.4 Quick reference data
Table 2. Quick reference data
Symbol Parameter Conditions Min Typ Max Unit
VCEO collector-emitter voltage open base - - 50 V
IO output current - - 100 mA
R1 bias resistor 1 (input) 3.3 4.7 6.1 k
R2/R1 bias resistor ratio 1.7 2.1 2.6
NXP Semiconductors PDTC143X series
NPN resistor-equipped transistors; R1 = 4.7 k, R2 = 10 k

2. Pinning information
Table 3. Pinning
Pin Description Simplified outline Symbol
SOT54
1 input (base)
2 output (collector) 2
R1
3 GND (emitter) 1 1
2
R2
3
001aab347 3
006aaa145

SOT54A
1 input (base)
2 output (collector) 2
R1
3 GND (emitter) 1 1
2
R2
3
001aab348 3
006aaa145

SOT54 variant
1 input (base)
2 output (collector) 2
R1
3 GND (emitter) 1 1
2
R2
3
001aab447 3
006aaa145

SOT23; SOT323; SOT346; SOT416; SOT490
1 input (base)
3 3
2 GND (emitter)
R1
3 output (collector) 1

R2

1 2 2
006aaa144
sym007

SOT883
1 input (base)
1 3
2 GND (emitter)
3 R1
3 output (collector) 2 1
Transparent
R2
top view
2
sym007

PDTC143X_SER_10