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PDTC123T series
NPN resistor-equipped transistors; R1 = 2.2 k, R2 = open
Rev. 01 -- 10 March 2006 Product data sheet

1. Product profile

1.1 General description
NPN Resistor-Equipped Transistors (RET) family in Surface Mounted Device (SMD)
plastic packages.

Table 1. Product overview
Type number Package PNP complement
Philips JEITA JEDEC
PDTC123TE SOT416 SC-75 - PDTA123TE
PDTC123TK SOT346 SC-59A TO-236 PDTA123TK
PDTC123TM SOT883 SC-101 - PDTA123TM
PDTC123TS[1] SOT54 SC-43A TO-92 PDTA123TS
PDTC123TT SOT23 - TO-236AB PDTA123TT
PDTC123TU SOT323 SC-70 - PDTA123TU

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

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

1.3 Applications
I Digital applications I Cost-saving alternative for BC847 series
in digital applications
I Control of IC inputs I 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) 1.54 2.2 2.86 k
Philips Semiconductors PDTC123T series
NPN resistor-equipped transistors; R1 = 2.2 k, R2 = open

2. Pinning information
Table 3. Pinning
Pin Description Simplified outline Symbol
SOT54
1 input (base)
2 output (collector) 2

3 GND (emitter) 1 R1
2 1
3
001aab347 3
006aaa218

SOT54A
1 input (base)
2 output (collector) 2

3 GND (emitter) 1 R1
2 1
3
001aab348 3
006aaa218

SOT54 variant
1 input (base)
2 output (collector) 2

3 GND (emitter) 1 R1
2 1
3
001aab447 3
006aaa218

SOT23; SOT323; SOT346; SOT416
1 input (base)
3
2 GND (emitter) 3

3 output (collector) R1
1

1 2
2
006aaa144
sym012

SOT883
1 input (base)
1
2 GND (emitter) 3
3
3 output (collector) 2 R1
1
Transparent
top view
2
sym012

PDTC123T_SER_1