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 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
R1 Tr1 Tr2 10K 10K
R2 47K 47K
0.25 Min.
PIN Connections 1. Base 1 2. Emitter 1,2 3. Base 2 4. Collector 2 5. Collector 1
0.90.1
0.1~0.25
0~0.1
KST-5007-000
1
SUR521H
Absolute maximum ratings (Tr1, Tr2 : NPN)
Characteristic
Out Voltage Input Voltage Out Current Power Dissipation Junction Temperature Storage Temperature
Ta=25C
Symbol
VO VI IO PD TJ TSTG
Ratings
50 20 100 150 150 -55 ~ 150
Unit
V V mA mW C C
Electrical Characteristics(Tr1, Tr2 : NPN)
Characteristic
Output Cut-off Current DC Current Gain Output Voltage Input Voltage (ON) Input Voltage (OFF) Transition Frequency Input Current
Ta=25C
Symbol
IO(OFF) GI VO(ON) VI(ON) VI(OFF) fT
*
Test Condition
VO=50V, VI=0 VO=5V, IO=10mA IO=10mA, II=0.5mA VO=0.2V, IO=5mA VO=5V, IO=0.1mA VO=10V, IO=5mA VI=5V
Min. Typ. Max.
80 0.5 150 0.1 200 500 0.3 1.8 0.88
Unit
nA V V V MHz mA
II
* : Characteristic of Transistor Only
KST-5007-000
2
SUR521H
Electrical Characteristic Curves
Tr1, Tr2 : NPN
Fig. 1 IO - VI(ON) Fig. 2 IO - VI(OFF)
Fig. 3 GI - IO
KST-5007-000
3


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