CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT
NPN Switching Transistor
VOLTAGE 32 Volts
APPLICATION
* Telephone and proferssional communction equipment.
* Other switching applications.
2SD1781KPT
CURRENT 0.8 Ampere
FEATURE
* Small surface mounting type. (SOT-23)
* Corrector peak current (Max.=1500mA).
* Suitable for high packing density.
* Low voltage (Max.=32V) .
* High saturation current capability.
* Voltage controlled small signal switch.
SOT-23
.041 (1.05)
.033 (0.85)
(1)
.110 (2.80)
.082 (2.10)
.066 (1.70)
.119 (3.04)
(3)
CONSTRUCTION
* NPN Switching Transistor
(2)
MARKING
* HFE(Q):D9C-
* HFE(R):NU
.055 (1.40)
.047 (1.20)
.103 (2.64)
.086 (2.20)
.028 (0.70)
.020 (0.50)
.007 (0.177)
.018 (0.30)
.002 (0.05)
CIRCUIT
(1)
B
C
(3)
.045 (1.15)
.033 (0.85)
E
(2)
.019 (0.50)
Dimensions in inches and (millimeters)
SOT-23
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
V
CBO
V
CEO
V
EBO
I
C
I
CM
P
tot
T
stg
T
j
Note
1. Transistor mounted on an FR4 printed-circuit board.
2004-3
PARAMETER
collector-base voltage
collector-emitter voltage
emitter-base voltage
collector current DC
peak collector current
total power dissipation
storage temperature
junction temperature
CONDITIONS
open emitter
open base
open collector
−
−
−
−
−
T
amb
≤
25
°C;
note 1
−
MIN.
MAX.
40
32
5
0.8
1.5
200
+150
150
V
V
V
A
A
UNIT
mW
°C
°C
−55
−
CHENMKO [ CHENMKO ENTERPRISE CO. LTD. ]
