CYStech Electronics Corp.
Spec. No. : C223S3-R
Issued Date : 2005.06.29
Revised Date :
Page No. : 1/4
BTD2444S3
CYStek Product Specification
Low Vcesat NPN Epitaxial Planar Transistor
BTD2444S3
Features
The BTD2444S3 is designed for general purpose low frequency power amplifier applications.
Low V
CE
(sat), V
CE
(sat)=40mV (typical), at I
C
/ I
B
= 50mA / 2.5mA
Pb-free package
Symbol Outline
Absolute Maximum Ratings
(Ta=25
C)
Parameter Symbol
Limits
Unit
Collector-Base Voltage
V
CBO
40
V
Collector-Emitter Voltage
V
CEO
25
V
Emitter-Base Voltage
V
EBO
6
V
Collector Current (DC)
I
C
800
mA
Collector Current (Pulse)
I
CP
1.5
(Note)
A
Power Dissipation
Pd
225
mW
Junction Temperature
Tj
150
C
Storage Temperature
Tstg
-55~+150
C
Note : Single pulse, Pw=10ms
SOT-323
BTD2444S3
BBase
CCollector
EEmitter
C
B E
CYStech Electronics Corp.
Spec. No. : C223S3-R
Issued Date : 2005.06.29
Revised Date :
Page No. : 2/4
BTD2444S3
CYStek Product Specification
Characteristics
(Ta=25
C)
Symbol Min. Typ. Max. Unit
Test
Conditions
BV
CBO
40 - - V
I
C
=100A, I
E
=0
BV
CEO
25 - - V
I
C
=2mA, I
B
=0
BV
EBO
6 - - V
I
E
=100A, I
C
=0
I
CBO
- -
0.5
A
V
CB
=30V, I
E
=0
I
EBO
- -
0.5
A
V
EB
=6V, I
C
=0
*V
CE(sat)
1 - 40 60 mV
I
C
=50mA, I
B
=2.5mA
*V
CE(sat)
2 - 0.2 0.3 V
I
C
=400mA, I
B
=20mA
*V
CE(sat)
3 - 0.3 0.5 V
I
C
=800mA, I
B
=80mA
*V
BE(on)
- - 1 V
V
CE
=1V, I
C
=10mA
*h
FE
1 180 - 560 -
V
CE
=1V, I
C
=100mA
*h
FE
2 40 - - -
V
CE
=1V, I
C
=500mA
*h
FE
3 82 - - -
V
CE
=2V, I
C
=50mA
f
T
-
150
-
MHz
V
CE
=5V, I
C
=50mA, f=100MHz
Cob - 15
-
pF
V
CB
=10V, f=1MHz
*Pulse Test : Pulse Width
380s, Duty Cycle
2%
Ordering Information
Device Package
Shipping
Marking
BTD2444S3
SOT-323
3000 pcs / Tape & Reel
BS
CYStech Electronics Corp.
Spec. No. : C223S3-R
Issued Date : 2005.06.29
Revised Date :
Page No. : 3/4
BTD2444S3
CYStek Product Specification
Characteristic Curves
Current Gain vs Collector Current
10
100
1000
1
10
100
1000
Collector Current---IC(mA)
Current Gain---HFE
VCE = 1V
VCE = 3V
Saturation Voltage vs Collector Current
1
10
100
1000
1
10
100
1000
Collector Current---IC(mA)
Saturation Voltage---(mV)
VCE(SAT) @ IC=10IB
VCE(SAT) @ IC=20IB
Saturation Voltage vs Collector Current
100
1000
1
10
100
1000
Collector Current---IC(mA)
Saturation Voltage---(mV)
VBE(SAT) @ IC=10IB
On Voltage vs Collector Current
100
1000
1
10
100
1000
Collector Current---IC(mA)
On Voltage---(mV)
VBE(ON) @ VCE=1V
Power Derating Curve
0
50
100
150
200
250
0
50
100
150
200
Ambient Temperature---TA()
Power Dissipation---PD(mW)
CYStech Electronics Corp.
Spec. No. : C223S3-R
Issued Date : 2005.06.29
Revised Date :
Page No. : 4/4
BTD2444S3
CYStek Product Specification
Reel Dimension
Carrier Tape Dimension
CYStech Electronics Corp.
Spec. No. : C223S3-R
Issued Date : 2005.06.29
Revised Date :
Page No. : 5/4
BTD2444S3
CYStek Product Specification
SOT-323 Dimension
*: Typical
Inches Millimeters
Inches Millimeters
DIM
Min. Max. Min. Max.
DIM
Min. Max. Min. Max.
A
0.0315
0.0433
0.80
1.10
e1
0.0256
- 0.65 -
A1 0.0000 0.0039 0.00 0.10 He 0.0787
0.0886 2.00 2.25
bp 0.0118 0.0157 0.30 0.40 Lp 0.0059
0.0177 0.15 0.45
C 0.0039
0.0098 0.10 0.25 Q 0.0051
0.0091 0.13 0.23
D 0.0709
0.0866 1.80 2.20 v 0.0079
-
0.2
-
E 0.0453
0.0531 1.15 1.35 w 0.0079
-
0.2
-
e 0.0512 -
1.3
-
- -
10
0
Notes:
1.Controlling dimension: millimeters.
2.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material.
3.If there is any question with packing specification or packing method, please contact your local CYStek sales office.
Material:
Lead: 42 Alloy ; solder plating
Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0
Important Notice:
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of CYStek.
CYStek reserves the right to make changes to its products without notice.
CYStek semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems.
CYStek assumes no liability for any consequence of customer product design, infringement of patents, or application assistance.
He
E
A
A1
Q
Lp
e1
e
bp
1
2
3
D
W
B
v
A
Z
detail Z
A
C
0
1
2
scale
mm
Style: Pin 1.Base 2.Emitter 3.Collector
3-Lead SOT-323 Plastic
Surface Mounted Package
CYStek Package Code: S3
Marking:
TE
BS
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