Low Noise Transistors
NPN Silicon
MAXIMUM RATINGS
Rating
Collector–Emitter Voltage
Collector–Base Voltage
Emitter–Base Voltage
Collector Current — Continuous
Total Device Dissipation @ T
A
= 25°C
Derate above 25°C
Total Device Dissipation @ T
C
= 25°C
Derate above 25°C
Operating and Storage Junction
Temperature Range
Symbol
V
CEO
V
CBO
V
EBO
I
C
P
D
P
D
T
J
, T
stg
BC549
30
30
5.0
100
625
5.0
1.5
12
–55 to +150
BC550
45
50
Unit
Vdc
Vdc
Vdc
mAdc
mW
mW/°C
Watt
mW/°C
°C
BC549B,C
BC550B,C
1
2
3
CASE 29–04, STYLE 17
TO–92 (TO–226AA)
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction to Ambient
Thermal Resistance, Junction to Case
Symbol
R
qJA
R
qJC
Max
200
83.3
Unit
°C/W
°C/W
2
BASE
3
EMITTER
COLLECTOR
1
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage
(I
C
= 10 mAdc, I
B
= 0)
Collector–Base Breakdown Voltage
(I
C
= 10
µAdc,
I
E
= 0)
Emitter–Base Breakdown Voltage
(I
E
= 10
mAdc,
I
C
= 0)
Collector Cutoff Current
(V
CB
= 30 V, I
E
= 0)
(V
CB
= 30 V, I
E
= 0, T
A
= +125°C)
Emitter Cutoff Current
(V
EB
= 4.0 Vdc, I
C
= 0)
V
(BR)CEO
BC549B,C
BC550B,C
V
(BR)CBO
BC549B,C
BC550B,C
V
(BR)EBO
I
CBO
—
—
I
EBO
—
—
—
—
15
5.0
15
nAdc
µAdc
nAdc
30
50
5.0
—
—
—
—
—
—
Vdc
30
45
—
—
—
—
Vdc
Vdc
©
Semiconductor Components Industries, LLC, 2001
1
February, 2001 – Rev. 1
Publication Order Number:
BC549B/D
BC549B,C BC550B,C
2.0
hFE, NORMALIZED DC CURRENT GAIN
1.5
1.0
0.8
0.6
0.4
0.3
0.2
0.2
V
CE
= 10 V
T
A
= 25°C
V, VOLTAGE (VOLTS)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.5
1.0 2.0
5.0
10
20
50
I
C
, COLLECTOR CURRENT (mAdc)
100 200
0
0.1
0.2
V
CE(sat)
@ I
C
/I
B
= 10
0.5
1.0 2.0
5.0 10
20
I
C
, COLLECTOR CURRENT (mAdc)
50
100
T
A
= 25°C
V
BE(sat)
@ I
C
/I
B
= 10
V
BE(on)
@ V
CE
= 10 V
Figure 2. Normalized DC Current Gain
BANDWIDTH PRODUCT (MHz)
Figure 3. “Saturation” and “On” Voltages
400
300
C, CAPACITANCE (pF)
200
100
80
60
40
30
20
10
7.0
5.0
C
ib
T
A
= 25°C
V
CE
= 10 V
T
A
= 25°C
3.0
2.0
C
ob
f T, CURRENT-GAIN
0.5 0.7
1.0
2.0
5.0 7.0 10
20
I
C
, COLLECTOR CURRENT (mAdc)
50
1.0
0.4
0.6
1.0
2.0
4.0
10
V
R
, REVERSE VOLTAGE (VOLTS)
20
40
Figure 4. Current–Gain — Bandwidth Product
Figure 5. Capacitance
r b, BASE SPREADING RESISTANCE (OHMS)
170
160
150
140
130
120
0.1
V
CE
= 10 V
f = 1.0 kHz
T
A
= 25°C
0.2
0.5
1.0
2.0
I
C
, COLLECTOR CURRENT (mAdc)
5.0
10
Figure 6. Base Spreading Resistance
http://onsemi.com
3
BC549B,C BC550B,C
PACKAGE DIMENSIONS
CASE 029–04
(TO–226AA)
ISSUE AD
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. CONTOUR OF PACKAGE BEYOND DIMENSION R
IS UNCONTROLLED.
4. DIMENSION F APPLIES BETWEEN P AND L.
DIMENSION D AND J APPLY BETWEEN L AND K
MINIMUM. LEAD DIMENSION IS UNCONTROLLED
IN P AND BEYOND DIMENSION K MINIMUM.
INCHES
MIN
MAX
0.175
0.205
0.170
0.210
0.125
0.165
0.016
0.022
0.016
0.019
0.045
0.055
0.095
0.105
0.015
0.020
0.500
---
0.250
---
0.080
0.105
---
0.100
0.115
---
0.135
---
MILLIMETERS
MIN
MAX
4.45
5.20
4.32
5.33
3.18
4.19
0.41
0.55
0.41
0.48
1.15
1.39
2.42
2.66
0.39
0.50
12.70
---
6.35
---
2.04
2.66
---
2.54
2.93
---
3.43
---
A
R
P
SEATING
PLANE
B
F
L
K
D
X X
G
H
V
1
J
C
N
N
SECTION X–X
DIM
A
B
C
D
F
G
H
J
K
L
N
P
R
V
STYLE 17:
PIN 1. COLLECTOR
2. BASE
3. EMITTER
ON Semiconductor
and
are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes
without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular
purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability,
including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or
specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be
validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others.
SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or
death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold
SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable
attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim
alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer.
PUBLICATION ORDERING INFORMATION
NORTH AMERICA Literature Fulfillment:
Literature Distribution Center for ON Semiconductor
P.O. Box 5163, Denver, Colorado 80217 USA
Phone:
303–675–2175 or 800–344–3860 Toll Free USA/Canada
Fax:
303–675–2176 or 800–344–3867 Toll Free USA/Canada
Email:
ONlit@hibbertco.com
Fax Response Line: 303–675–2167 or 800–344–3810 Toll Free USA/Canada
N. American Technical Support:
800–282–9855 Toll Free USA/Canada
EUROPE:
LDC for ON Semiconductor – European Support
German Phone:
(+1) 303–308–7140 (Mon–Fri 2:30pm to 7:00pm CET)
Email:
ONlit–german@hibbertco.com
French Phone:
(+1) 303–308–7141 (Mon–Fri 2:00pm to 7:00pm CET)
Email:
ONlit–french@hibbertco.com
English Phone:
(+1) 303–308–7142 (Mon–Fri 12:00pm to 5:00pm GMT)
Email:
ONlit@hibbertco.com
EUROPEAN TOLL–FREE ACCESS*: 00–800–4422–3781
*Available from Germany, France, Italy, UK, Ireland
CENTRAL/SOUTH AMERICA:
Spanish Phone:
303–308–7143 (Mon–Fri 8:00am to 5:00pm MST)
Email:
ONlit–spanish@hibbertco.com
Toll–Free from Mexico:
Dial 01–800–288–2872 for Access –
then Dial 866–297–9322
ASIA/PACIFIC:
LDC for ON Semiconductor – Asia Support
Phone:
303–675–2121 (Tue–Fri 9:00am to 1:00pm, Hong Kong Time)
Toll Free
from Hong Kong & Singapore:
001–800–4422–3781
Email:
ONlit–asia@hibbertco.com
JAPAN:
ON Semiconductor, Japan Customer Focus Center
4–32–1 Nishi–Gotanda, Shinagawa–ku, Tokyo, Japan 141–0031
Phone:
81–3–5740–2700
Email:
r14525@onsemi.com
ON Semiconductor Website:
http://onsemi.com
For additional information, please contact your local
Sales Representative.
http://onsemi.com
4
BC549B/D
京公网安备 11010802033920号
EEWORLD
