<J~)ioau.cti,
Unc.
TELEPHONE: (973) 376-2922
(212)227-6005
FAX: (973) 376-8960
20 STERN AVE.
SPRINGFIELD, NEW JERSEY 07081
U.S.A.
HORIZONTAL DEFLECTION TRANSISTOR
NPN
BU207
BU208
BU208A
...specifically designed for use in large screen color deflection
circuits.
FEATURES:
* Collector-Emitter Sustaining Voltage VC6X = 1300 V (Min.) - BU207
= 1500V (Win.)-BU208
* Glastivated Base-Collector Junction
5.0 AMPERE
POWER
TRANSISTORS
1300-1500 VOLTS
55 WATTS
MAXIMUM RATINGS
Characteristic
Symbol
BU207
BU208
BU208A
Unit
Collector-Emitter Voltage
Vceo
600
700
V
Collector-Emitter Voltage
VCEX
1300
1500
V
Emitter-Base Voltage
VEBO
50
V
Collector Current - Continuous
-Peak
'c
5.0
7.5
A
Base Current - Continuous
'B
2.5
A
Total Power Dissipation QTC=25°C
Derate above 25°C
PD
55
0.6 11
W
W/°C
Operating and Storage Junction
Temperature Range
TO-3
°C
L.TSTO
-65 to +115
THERMAL CHARACTERISTICS
Characteristic
Symbol
Thermal Resistance Junction to Case
Rejc
Max
Unit
1.64
°C/W
PN 1.BASE
2BWTTCR
COLLECTORlCASEI
FIGURE -1 POWER DERATING
60
£ 55
5 50
§ 45
| 40
iM
MILLIMETERS
DIM
V
A
B
C
D
\
V
5 30
c£ OK
E
^Xc
^x
K 20
F
G
^\
i 15
2 10
o 5
a 0
\
Tc , TE¥PERATURE(*C)
Quality Semi-Conductors
MIN
I MAX
38 75
1926
3696
2223
796
9.28
11 18 ! 1219
| 2520 ; 2667
H
2990
109
162
30O
1
1664
1730
J
K
388
436
10 $7
11 18
25
092
1 38
50
BU207, BU208.BU208A NPN
ELECTRICAL CHARACTERISTICS { Tc = 25'C unless otherwise noted )
Characteristic
Symbol
Min
Max
Untt
OFF CHARACTERISTICS
Collector - Emitter Sustaining Voltage (1 )
( lc = 100 mA, 1, = 0)
Collector Cutoff Current
( VCE = 1300 V, VM« 0 )
( Vce = 1500 V, VM = 0 )
BU207
BU208.BU208A
BU207
BU208.BU208A
Emitter Cutoff Current
(V r a =5.0V,l c -0)
VCBO(SUS)
V
600
700
mA
'CIS
1.0
1.0
mA
'«
10
ON CHARACTERISTICS (1)
DC Current Gain
(I C =4.SA,V C E -5.0V)
Collector - Emitter Saturation Vottage
( lc =4.5 A, IB = 2.0 A )
hFE
2.25
BU207.BU208
BU208A
Base - Emitter Saturation Voltage
( lc =4.5 A, IB « 2.0 A )
5.0
1.0
v—
V
V
1.5
v—
DYNAMIC CHARACTERISTICS
Current Gain - Bandwidth Product
( lc • 0.1 A , VM • 5.0 V , f - 1 .0 MHz )
Output Capacitance
(VCE=10 V, lc=0, f=1.0 MHz )
fT
c.
MHz
4.0(typ)
pF
125(typ)
SWITCHING CHARACTERISTICS
Fall Time
(lc=4.5A.IB1=1.8A.LJl=10uH)
(1) Pulse Test Pulse width ^ 300 us , Duty Cyde =* 2.0%
tf
us
1.0(typ)
BU207.BU208.BU208A NPN
COLLECTOR SATURATION REGION
DC CURRENT GAIN
O 04
0,5
03
07
02
10
05
1
2
It . COLLECTOR CURRENT (AMP)
b, BASE CURRENT (A)
SWITCHING BEHAVIOR VERSUS !
"ON" VOLTAGES
20!
'
1
20
1
1.0
005
01
02
05
1
06
2
t
p—-f
3.5
1C . COLLECTOR CURRENT (AMP)
4,0
Ic . COLLECTOR CURRENT (AMP)
FORWARD BIAS SAFE OPERATING AREA
10
20
50
100
2OO
VCE , COLLECTOR EMTTTER VCMTAGE (VOI.T^I
6OO
IK
.
1— ——"
46
'
5.0