Continental Device India Limited
An IS/ISO 9002 and IECQ Certified Manufacturer
IS/ISO 9002
Lic# QSC/L- 000019.2
NPN SILICON PLANAR TRANSISTORS
BC171 , A, B
BC172, A, B, C
BC174, A, B
TO-92
Plastic Package
C
BE
Amplifier Transistors
ABSOLUTE MAXIMUM RATINGS (Ta=25ºC unless specified otherwise)
DESCRIPTION
Collector Emitter Voltage
Collector Base Voltage
Emitter Base Voltage
Collector Current Continuous
Total Device Dissipation @ Ta=25ºC
Derate Above 25ºC
Total Device Dissipation @ Tc=25ºC
Derate Above 25ºC
Operating And Storage Junction
Temperature Range
THERMAL RESISTANCE
Junction to ambient
Junction to case
SYMBOL
V
CEO
V
CBO
V
EBO
I
C
P
D
P
D
T
j
, T
stg
BC174 BC171
65
80
45
50
6
100
350
2.8
1.0
8.0
-55 to +150
BC172
25
30
UNIT
V
V
V
mA
mW
mW/ºC
W
mW/ºC
ºC
R
th(j-a)
R
th(j-c)
357
125
ºC/W
ºC/W
ELECTRICAL CHARACTERISTICS (Ta=25ºC unless specified otherwise)
DESCRIPTION
SYMBOL TEST CONDITION
MIN
Collector Emitter Breakdown
Voltage
BC174
BC171
BC172
Emitter Base Breakdown
Voltage
ALL
Collector Cut off Current
BC174
BC171
BC172
I
CES
V
CE
=70V, V
BE
= 0
V
CE
=50V, V
BE
= 0
V
CE
=35V, V
BE
= 0
V
CE
=30V, V
BE
= 0,
Ta= 125ºC
Continental Device India Limited
VALUE
TYP
MAX
UNIT
BV
CEO
I
C
=2mA,I
B
=0
65
45
25
V
V
V
BV
EBO
I
E
=100µA, I
C
=0
6
15
15
15
4
V
nΑ
nΑ
nΑ
µA
Data Sheet
Page 1 of 4
NPN SILICON PLANAR TRANSISTORS
BC171 , A, B
BC172, A, B, C
BC174, A, B
TO-92
Plastic Package
DESCRIPTION
SYMBOL TEST CONDITION
MIN
VALUE
TYP
MAX
UNIT
DC Current Gain
BC171A, 2A, 4A
BC171B, 2B, 4B
BC172C
h
FE
V
CE
=5V,I
C
=10µA
90
150
270
V
CE
=5V,I
C
=2mA
120
120
120
120
180
380
V
CE
=5V,I
C
=100mA
120
180
300
450
800
800
220
460
800
BC174
BC171
BC172
BC171A, 2A, 4A
BC171B, 2B, 4B
BC172C
BC171A, 2A, 4A
BC171B, 2B, 4B
BC172C
Base Emitter Saturation Voltage
Collector Emitter Saturation
Voltage
Base Emitter on Voltage
DYNAMIC CHARACTERISTICS
Transition Frequency
BC171
BC172
BC174
Output Capacitance
Input Capacitance
C
ob
C
ib
f
T
I
C
=10mA, V
CE
=5V
f=100MHz
V
BE(sat)
I
C
=10mA,I
B
=0.5mA
V
CE (sat )
I
C
=10mA,I
B
=0.5mA
I
C
=100mA,I
B
=5mA
V
BE (on)
I
C
=2mA, V
CE
= 5V
0.7
0.25
0.60
0.55
0.70
V
V
V
V
150
150
150
4.50
10
MHz
I
E
=0, V
CB
=10V
f=1MHz
Ic=0, V
EB
=0.5V
f=1MHz
V
CE
=5V,I
C
=2mA
f=1KH
Z
pF
pF
Small Signal Current Gain
BC171, 2, 4
BC171A, 2A, 4A,
BC171B, 2B, 4B
BC172C
Noise Figure
BC171
BC172
BC174
| h
fe
|
125
125
240
450
900
260
500
900
10
10
10
dB
NF
V
CE
=5V,I
C
=0.2mA
R
S
=2KΩ,f=1KH
Z,
f=200Hz
Data Sheet
Continental Device India Limited
Page 2 of 4
BC171 , A, B
BC172, A, B, C
BC174, A, B
TO-92
Plastic Package
TO-92 Plastic Package
TO-92 Transistors on Tape and Ammo Pack
Ammo Pack Style
B
Dimension With 'L'
Uncontrolled
MECHANICAL DATA
T
P
h
A
H1
W2
L
Wo
W1
W
Adhesive Tape on Top Side
(p)
D
FEE
Carrier
Strip
h
A1
LABEL
FLAT SIDE
183
A
H0
t1
L
t
F1
F
P2
Po
F2
Do
42
331
Flat Side of Transistor and
Adhesive Tape Visible
2000 pcs./Ammo Pack
Solderability Ensured
Beyond 'L'
K
1
2
3
D
G
A A
All dimensions in mm unless specified otherwise
D
3
E
2
1
ITEM
BODY WIDTH
BODY HEIGHT
BODY THICKNESS
PITCH OF COMPONENT
FEED HOLE PITCH
FEED HOLE CENTRE TO
COMPONENT CENTRE
SYMBOL
A1
A
T
P
Po
P2
F
h
W
Wo
W1
W2
Ho
H1
L
Do
t
F2
H2
(P)
SEC AA
DIM
MIN.
4.32
4.45
3.18
MAX.
5.33
5.20
4.19
F
F
3 2 1
A
B
C
D
E
F
G
H
K
L
DISTANCE BETWEEN OUTER
LEADS
COMPONENT ALIGNMENT
TAPE WIDTH
HOLD-DOWN TAPE WIDTH
HOLE POSITION
HOLD-DOWN TAPE POSITION
LEAD WIRE CLINCH HEIGHT
COMPONENT HEIGHT
LENGTH OF SNIPPED LEADS
FEED HOLE DIAMETER
TOTAL TAPE THICKNESS
LEAD - TO - LEAD DISTANCEF1,
CLINCH HEIGHT
PULL - OUT FORCE
PIN CONFIGURATION
1. EMITTER
2. BASE
3. COLLECTOR
0.41
0.55
0.35
0.50
5 DEG
1.14
1.40
1.14
1.53
12.70
1.982
—
2.082
REMARKS
MIN. NOM. MAX. TOL .
4.8
4.0
5.2
4.8
4.2
3.9
12.7
±1
12.7
±0.3 CUMULATIVE PITCH
ERROR 1.0 mm/20
PITCH
6.35
±0.4 TO BE MEASURED AT
BOTTOM OF CLINCH
+0.6
5.08
-0.2
0
1
AT TOP OF BODY
18
±0.5
6
±0.2
9
+0.7
-0.5
0.5
±0.2
16
±0.5
23.25
11.0
4
±0.2
1.2
t1 0.3 - 0.6
2.54
+0.4
-0.1
3
6N
SPECIFICATION
H
C
All diminsions in mm.
NOTES
1. MAXIMUM ALIGNMENT DEVIATION BETWEEN LEADS NOT TO BE GREATER THAN 0.2 mm.
2. MAXIMUM NON-CUMULATIVE VARIATION BETWEEN TAPE FEED HOLES SHALL NOT EXCEED 1 mm IN 20
PITCHES.
3. HOLDDOWN TAPE NOT TO EXCEED BEYOND THE EDGE(S) OF CARRIER TAPE AND THERE SHALL BE NO
EXPOSURE OF ADHESIVE.
4. NO MORE THAN 3 CONSECUTIVE MISSING COMPONENTS ARE PERMITTED.
5. A TAPE TRAILER, HAVING AT LEAST THREE FEED HOLES ARE REQUIRED AFTER THE LAST COMPONENT.
6. SPLICES SHALL NOT INTERFERE WITH THE SPROCKET FEED HOLES.
Packing Detail
PACKAGE
Details
TO-92 Bulk
TO-92 T&A
1K/
polybag
2K/
ammo box
STANDARD PACK
Net Weight/Qty
200 gm/ pcs
1K
645 gm/ pcs
2K
Size
INNER CARTON BOX
Qty
5K
2K
Size
OUTER CARTON B X
O
Qty
80K
32K
Gr Wt
23 kgs
12.5 kgs
3" x 7.5" x 7.5"
12.5" x 8" x 1.8"
17" x 15" x 13.5"
17" x 15" x 13.5"
Continental Device India Limited
Data Sheet
Page 3 of 4
Notes
BC171 , A, B
BC172, A, B, C
BC174, A, B
TO-92
Plastic Package
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's Discrete Semiconductor Device(s) best suited
for application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as
to confirm that the Device(s) meet functionality parameters for your application. The information furnished in the Data Sheet and
on the CDIL Web Site/CD is believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies
or incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any
CDIL product; neither does it convey any license under its patent rights nor rights of others. These products are not designed for
use in life saving/support appliances or systems. CDIL customers selling these products (either as individual Discrete
Semiconductor Devices or incorporated in their end products), in any life saving/support appliances or systems or applications do
so at their own risk and CDIL will not be responsible for any damages resulting from such sale(s).
CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice.
CDIL is a registered Trademark of
Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India.
Telephone + 91-11-579 6150 Fax + 91-11-579 9569, 579 5290
e-mail sales@cdil.com
www.cdil.com
BC171_74_A_B_C Rev040302D
Continental Device India Limited
Data Sheet
Page 4 of 4
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