Continental Device India Pvt. Limited
An IATF 16949, ISO9001 and ISO 14001 Certified Company
NPN SILICON POWER TRANSISTORS
BD249 A,B,C
TO-3P
Plastic Leaded Package
RoHS complian
TO-3P
FEATURE:
1. Designed for Complementary Use with the BD250 Series
2. 125W at 25°C Case Temperature
3. 25A Continuous Collector Current
4. 40A Peak Collector Current
5. Customer-Specified Selections Available
APPLICATIONS:
Designed for general purpose amplifier and switching applications
ABSOLUTE MAXIMUM RATINGS
(Ta = 25
℃
Unless otherwise specified)
PARAMETER
Collector-emitter voltage (RBE = 100Ω)
BD249
BD249A
BD249B
BD249C
BD249
BD249A
BD249B
BD249C
SYMBOL
V
CER
VALUE
55
70
90
115
45
60
80
100
5
25
40
5
UNIT
V
Collector-emitter voltage (IC = 30mA)
V
CEO
V
Emitter-base voltage
V
EBO
V
Continuous collector current
I
C
A
Peak collector current (see Note 1)
A
I
CM
Continuous base current
I
B
A
Continuous device dissipation at (or below) 25°C case
P
tot
125
W
temperature (see Note 2)
Continuous device dissipation at (or below) 25°C free air
3
W
P
tot
temperature (see Note 3)
Unclamped inductive load energy (see Note 4)
90
mJ
½LI
C2
Operating junction temperature range
T
j
-65 to +150
°C
Storage temperature range
T
stg
-65 to +150
°C
Lead temperature 3.2 mm from case for 10 seconds
T
L
250
°C
NOTES:
1. This value applies for t
p
≤ 0.3 ms, duty cycle ≤ 10%.
2. Derate linearly to 150°C case temperature at the rate of 1 W/°C.
3. Derate linearly to 150°C free air temperature at the rate of 24m W/°C.
4. This rating is based on the capability of the transistor to operate safely in a circuit of: L=20mH,
I
B(on)
=0.4A, R
BE
=100Ω,V
BE(off)
=0,R
S
=0.1Ω,V
CC
=20V.
BD249 A,B,C
Rev01 12062020EM
Continental Device India Pvt. Limited
Data Sheet
Page 1 of 6
Continental Device India Pvt. Limited
An IATF 16949, ISO9001 and ISO 14001 Certified Company
ELECTRICAL CHARACTERISTICS at
(Ta = 25
℃
Unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
BD249
BD249A
I
C
=30mA, I
B
=0
BD249B
(see Note 5)
BD249C
BD249
V
CE
=55V, V
BE
=0
BD249A
V
CE
=70V, V
BE
=0
BD249B
V
CE
=90V, V
BE
=0
BD249C
V
CE
=115V, V
BE
=0
BD249
V
CE
=30V, I
B
=0
BD249A
BD249B
V
CE
=60V, I
B
=0
BD249C
V
EB
=5V, I
C
=0
V
CE
= 4V, I
C
=1.5A
(see
Notes 5
V
CE
= 4V, I
C
=15A
and 6)
V
CE
= 4V, I
C
=25A
(see
I
B
=1.5A, I
C
=15A
Notes 5
I
B
=5A, I
C
=25A
and 6)
(see
V
CE
=4V, I
C
=15A
Notes 5
V
CE
=4V, I
C
=25A
and 6)
V
CE
=10V, I
C
=1A, f =1kHz
V
CE
=10V, I
C
=1A, f =1MHz
MIN TYP
45
--
60
--
80
--
100
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
25
10
5
--
--
--
--
25
3
--
--
--
--
--
--
--
--
--
MAX
--
--
--
--
0.7
0.7
0.7
0.7
1
1
1
1
1
--
--
--
1.8
4
2
4
--
--
V
UNIT
V
Collector-emitterbreakdown voltage V
(BR)CEO
Collector-emittercut-off current
I
CES
mA
Collector cut-offcurrent
Emitter cut-offcurrent
Forward currenttransfer ratio
I
CEO
I
EBO
h
FE
mA
mA
Collector-emittersaturation voltage
V
CE(sat)
Base-emittervoltage
Small signal forward current
transfer ratio
Small signal forward current
transfer ratio
NOTES:
V
BE
h
fe
|hf
e
|
V
5. These parameters must be measured using pulse techniques, tp = 300µs, duty cycle ≤ 2%.
6. These parameters must be measured using voltage-sensing contacts, separate from the current carrying
contacts.
Switching Characteristics
PARAMETER
Turn-on time
Turn-off time
SYMBOL
t
on
t
off
TEST CONDITIONS＊
I
C
=5A, I
B(on)
=0.5A, I
B(off)
= -0.5A
V
BE(off)
= -5V, R
L
=5Ω, t
p
=20µs, dc
≤ 2%
MIN TYP
--
--
0.3
0.9
MAX
--
--
UNIT
µs
µs
＊Voltage
and current values shown are nominal; exact values vary slightly with transistor parameters.
Thermal Characteristics
PARAMETER
Junction to case thermal resistance
Junction to free air thermal resistance
SYMBOL
R
θJC
R
θJC
MIN TYP
--
--
--
--
MAX
1
42
UNIT
°C/W
°C/W
BD249 A,B,C
Rev01 12062020EM
Continental Device India Pvt. Limited
Data Sheet
Page 2 of 6
Continental Device India Pvt. Limited
An IATF 16949, ISO9001 and ISO 14001 Certified Company
TYPICAL CHARACTERISTICS CURVES
Fig 1: Typical DC Current Gain vs Collector Current
Fig 2: Collector-Emitter Saturation Voltage vs
Base Current
Fig 3: Base-Emitter Voltage vs Collector Current
Fig 4: Maximum Forward-BIAS Safe Operating
Area
Fig 5: Maximum Power Dissipation vs Case Temperature
BD249 A,B,C
Rev01 12062020EM
Continental Device India Pvt. Limited
Data Sheet
Page 3 of 6
Continental Device India Pvt. Limited
An IATF 16949, ISO9001 and ISO 14001 Certified Company
PACKAGE DETAILS
TO-3P Plastic Leaded Package
BD249 A,B,C
Rev01 12062020EM
Continental Device India Pvt. Limited
Data Sheet
Page 4 of 6
Continental Device India Pvt. Limited
An IATF 16949, ISO9001 and ISO 14001 Certified Company
Recommended Product Storage Environment for Discrete
Semiconductor Devices
This storage environment assumes that the Diodes and transistors are packed properly inside
the original packing supplied by CDIL.
ꞏ Temperature 5 °C to 30 °C
ꞏ Humidity between 40 to 70 %RH
ꞏ Air should be clean.
ꞏ Avoid harmful gas or dust.
ꞏ Avoid outdoor exposure or storage in areas subject to rain or water spraying .
ꞏ Avoid storage in areas subject to corrosive gas or dust. Product shall not be stored in areas
exposed to direct sunlight.
ꞏ Avoid rapid change of temperature.
ꞏ Avoid condensation.
ꞏ Mechanical stress such as vibration and impact shall be avoided.
ꞏ The product shall not be placed directly on the floor.
ꞏ The product shall be stored on a plane area. They should not be turned upside down.
They should not be placed against the wall.
Shelf Life of CDIL Products
The shelf life of products is the period from product manufacture to shipment to customers. The product can
be unconditionally shipped within this period. The period is defined as 2 years.
If products are stored longer than the shelf life of 2 years the products shall be subjected to quality check as
per CDIL quality procedure.
The products are further warranted for another one year after the date of shipment subject to the above
conditions in CDIL original packing.
Floor Life of CDIL Products and MSL Level
When the products are opened from the original packing, the floor life will start.
For this, the following JEDEC table may be referred:
JEDEC MSL Level
Time
Unlimited
1 Year
4 Weeks
168 Hours
72 Hours
48 Hours
24 Hours
Time on Label(TOL)
Level
1
2
2a
3
4
5
5a
6
Condition
≤30 °C / 85% RH
≤30 °C / 60% RH
≤30 °C / 60% RH
≤30 °C / 60% RH
≤30 °C / 60% RH
≤30 °C / 60% RH
≤30 °C / 60% RH
≤30 °C / 60% RH
BD249 A,B,C
Rev01 12062020EM
Continental Device India Pvt. Limited
Data Sheet
Page 5 of 6
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