Semiconductor
SUR521H
Epitaxial Planar Type NPN Silicon Transistor
Description
•
Digital transistor
Features
•
Two SRC1207 chips in SOT-353 package
•
With built-in bias resistors
Ordering Information
Type NO.
SUR521H
Marking
2X
Package Code
SOT-353
Outline Dimensions
2.1 BSC
1.25 BSC
R1
R1
R2
R2
R1
unit :
3
2
1
mm
Tr2
1
●
2
0.15~0.30
5
1.30 BSC
2.0 BSC
R2
Tr2
Tr1
6
5
4
Tr2
4
5
Tr1
3
4
R
1
Tr1
Tr2
10KΩ
10KΩ
R
2
47KΩ
47KΩ
0.25 Min.
PIN Connections
1. Base 1
2. Emitter 1,2
3. Base 2
4. Collector 2
5. Collector 1
0.9±0.1
0.1~0.25
0~0.1
KST-5007-000
1