CYStech Electronics Corp.
General Purpose NPN Epitaxial Planar Transistor
Spec. No. : C204A3
Issued Date : 2003.04.01
Revised Date : 2005.01.03
Page No. : 1 / 5
BTC945A3
Description
•
The BTC945A3 is designed for use in driver stage of AF amplifier and low speed switching.
•
Complementary to BTA733A3.
•
Pb-free package
Symbol
BTC945A3
Outline
TO-92
B：Base
C：Collector
E：Emitter
ECB
Absolute Maximum Ratings
(Ta=25°C)
Parameter
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Base Current
Power Dissipation @Ta=25℃
Thermal Resistance, Junction to Ambient
Junction Temperature
Storage Temperature
Symbol
V
CBO
V
CEO
V
EBO
I
C
I
B
Pd
R
θJA
Tj
Tstg
Limits
60
50
5
100
20
625
200
150
-55~+150
Unit
V
V
V
mA
mA
mW
°C/W
°C
°C
BTC945A3
CYStek Product Specification
CYStech Electronics Corp.
Characteristics
(Ta=25°C)
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
*V
CE(sat)
*V
BE(sat)
V
BE
h
FE
1
h
FE
2
f
T
Cob
Min.
60
50
5
-
-
-
-
0.55
50
135
150
-
Typ.
-
-
-
-
-
0.2
0.85
-
-
-
-
-
Max.
-
-
-
100
100
0.3
1.0
0.65
-
600
-
4
Unit
V
V
V
nA
nA
V
V
V
-
-
MHz
pF
Spec. No. : C204A3
Issued Date : 2003.04.01
Revised Date : 2005.01.03
Page No. : 2 / 5
Test Conditions
I
C
=100µA
I
C
=1mA
I
E
=10µA
V
CB
=60V
V
EB
=5V
I
C
=100mA, I
B
=10mA
I
C
=100mA, I
B
=10mA
V
CE
=6V, I
C
=1mA
V
CE
=6V, I
C
=0.1mA
V
CE
=6V, I
C
=1mA
V
CE
=6V, I
C
=10mA, f=100MHz
V
CB
=6V, I
E
=0A, f=1MHz
*Pulse Test: Pulse Width
≤380µs,
Duty Cycle≤2%
Classification of h
FE
2
Rank
Range
Q
135-270
P
200-400
K
300-600
BTC945A3
CYStek Product Specification
CYStech Electronics Corp.
Characteristic Curves
Current Gain vs Collector Current
1000
Saturation Voltage-(mV)
1000
Spec. No. : C204A3
Issued Date : 2003.04.01
Revised Date : 2005.01.03
Page No. : 3 / 5
Saturation Voltage vs Collector Current
HFE@VCE=6V
Current Gain---
HFE
VCE(SAT)@IC=10I
100
100
0.1
1
10
100
1000
Collector Current--- IC(mA)
10
0.1
1
10
100
1000
Collector Current--- IC(mA)
Saturation Voltage vs Collector Current
1000
Cutoff Frequency---FT(GHZ)
Saturation Voltage---(mV)
1
Cutoff Frequency vs Collector Current
VBE(SAT)@IC=10IB
FT@VCE=6V
100
0.1
1
10
100
1000
Collector Current ---IC(mA)
0.1
1
10
Collector Current---IC(mA)
100
Power Derating Curve
700
Power Dissipation--- PD(mW)
600
500
400
300
200
100
0
0
50
100
150
Ambient Temperature---Ta(℃)
BTC945A3
CYStek Product Specification
CYStech Electronics Corp.
TO-92 Taping Outline
Spec. No. : C204A3
Issued Date : 2003.04.01
Revised Date : 2005.01.03
Page No. : 4 / 5
H2
H2
H2A H2A
A
D2
H3
L
H4 H
L1
H1
F1F2
D1
D
W1
W
T2
T
T1
P1
P
P2
DIM
A
D
D1
D2
F1,F2
F1,F2
H
H1
H2
H2A
H3
H4
L
L1
P
P1
P2
T
T1
T2
W
W1
-
BTC945A3
Item
Component body height
Tape Feed Diameter
Lead Diameter
Component Body Diameter
Component Lead Pitch
F1-F2
Height Of Seating Plane
Feed Hole Location
Front To Rear Deflection
Deflection Left Or Right
Component Height
Feed Hole To Bottom Of Component
Lead Length After Component Removal
Lead Wire Enclosure
Feed Hole Pitch
Center Of Seating Plane Location
4 Feed Hole Pitch
Over All Tape Thickness
Total Taped Package Thickness
Carrier Tape Thickness
Tape Width
Adhesive Tape Width
20 pcs Pitch
Millimeters
Min.
4.33
3.80
0.36
4.33
2.40
-
15.50
8.50
-
-
-
-
-
2.50
12.50
5.95
50.30
-
-
0.36
17.50
5.00
253
Max.
4.83
4.20
0.53
4.83
2.90
±0.3
16.50
9.50
1
1
27
21
11
-
12.90
6.75
51.30
0.55
1.42
0.68
19.00
7.00
255
CYStek Product Specification
CYStech Electronics Corp.
TO-92 Dimension
α
2
Spec. No. : C204A3
Issued Date : 2003.04.01
Revised Date : 2005.01.03
Page No. : 5 / 5
A
B
1
2
3
Marking:
α
3
C945
C
D
H
I
E
F
G
α
1
Style: Pin 1.Emitter 2.Collector 3.Base
3-Lead TO-92 Plastic Package
CYStek Package Code: A3
*: Typical
DIM
A
B
C
D
E
F
Inches
Min.
Max.
0.1704 0.1902
0.1704 0.1902
0.5000
-
0.0142 0.0220
-
*
0.0500
0.1323 0.1480
Millimeters
Min.
Max.
4.33
4.83
4.33
4.83
12.70
-
0.36
0.56
-
*
1.27
3.36
3.76
DIM
G
H
I
α1
α2
α3
Inches
Min.
Max.
0.0142 0.0220
-
*
0.1000
-
*
0.0500
-
*
5°
-
*
2°
-
*
2°
Millimeters
Min.
Max.
0.36
0.56
-
*
2.54
-
*
1.27
-
*
5°
-
*
2°
-
*
2°
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.
BTC945A3
CYStek Product Specification
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