BUL45G
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7
The BUL45 Bipolar Power Transistors were specially
designed for use in electronic lamp ballasts. A circuit
designed by ON Semiconductor applications was built to
demonstrate how well these devices operate. The circuit and
detailed component list are provided below.
5.5 mH
L
10 nF
C3 1000 V
0.1 m F
400 VC5
TUBE
C4
15 mF
1000 V
D6
1 Ω
Q2
D4
MUR150
I
C
T1B
T1A
47
Ω
D5
Q1
I
C
D3
MUR150
1N4007
D1
1N5761D2
100 V
C2
0.1 m F
470
kΩ
385 V
22 mF
C1
D10
D9
D7D8
AC LINE
220 V
CTN
FUSE
0.1 m F
C6
400 V
1 Ω
47 Ω
Components Lists
Q1 = Q2 = BUL45 Transistor
D1 = 1N4007 Rectifier
D2 = 1N5761 Rectifier
D3 = D4 = MUR150
D5 = D6 = MUR105
D7 = D8 = D9 = D10 = 1N400
CTN = 47 Ω @25C
L = RM10 core, A1 = 400, B51 (LCC) 75 turns,
wire =0.6mm
T1 = FT10 toroid, T4A (LCC)
Primary: 4 turns
Secondaries: T1A: 4 turns
Secondaries: T1B: 4 turns
All resistors are 1/4 Watt, 5%
R1 = 470 kΩ
R2 = R3 = 47 Ω
R4 = R5 = 1 Ω (these resistors are optional, and
might be replaced by a short circuit)
C1 = 22 mF/385 V
C2 = 0.1 mF
C3 = 10 nF/1000 V
C4 = 15 nF/1000 V
C5 = C6 = 0.1 mF/400 V
NOTES:
1. Since this design does not include the line input filter, it cannot be used “as--is” in a practical industrial circuit.
2. The windings are given for a 55 Watt load. For proper operation they must be re--calculated with any other loads.
Figure 21. Application Example
BUL45G
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8
PACKAGE DIMENSIONS
TO--220
CASE 221A--09
ISSUE AG
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION Z DEFINES A ZONE WHERE ALL
BODY AND LEAD IRREGULARITIES ARE
ALLOWED.
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A 0.570 0.620 14.48 15.75
B 0.380 0.405 9.66 10.28
C 0.160 0.190 4.07 4.82
D 0.025 0.036 0.64 0.91
F 0.142 0.161 3.61 4.09
G 0.095 0.105 2.42 2.66
H 0.110 0.161 2.80 4.10
J 0.014 0.025 0.36 0.64
K 0.500 0.562 12.70 14.27
L 0.045 0.060 1.15 1.52
N 0.190 0.210 4.83 5.33
Q 0.100 0.120 2.54 3.04
R 0.080 0.110 2.04 2.79
S 0.045 0.055 1.15 1.39
T 0.235 0.255 5.97 6.47
U 0.000 0.050 0.00 1.27
V 0 . 0 4 5 -- -- -- 1 . 1 5 -- -- --
Z -- -- -- 0 . 0 8 0 -- -- -- 2 . 0 4
B
Q
H
Z
L
V
G
N
A
K
F
123
4
D
SEATING
PLANE
-- T --
C
S
T
U
R
J
STYLE 1:
PIN 1. BASE
2. COLLECTOR
3. EMITTER
4. COLLECTOR
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no w arranty, 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. This literature is subject to all applicable copyright laws and is not for resale in any manner.
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Phone: 81--3 --5817 --1050
BUL45/D
LITERATURE FULFILLMENT:
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l
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BUL45G

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Bipolar Transistors - BJT 5A 400V 75W NPN
Lifecycle:
New from this manufacturer.
Delivery:
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