PNP SILICON PLANAR EPITAXIAL HIGH VOLTAGE BF421
VIDEO TRANSISTORS BF423
TO-92
Plastic Package
Hi
g
h Volta
g
e Video Am
p
lifier
ABSOLUTE MAXIMUM RATINGS(Ta=25ºC unless specified otherwise)
DESCRIPTION SYMBOL 423 421 UNITS
Collector Emitter Voltage VCEO 250 300 V
Collector Base Voltage VCBO 250 300 V
Emitter Base Voltage VEBO 5V
Collector Current Continuous IC500 mA
Power Dissipation@ Ta=25ºC PD800 mW
Derate Above 25ºC 6.4 mW/ºC
Power Dissipation@ Tc=25ºC PD2.75 W
Derate Above 25ºC 22 mW/ºC
Operating And Storage Junction Tj, Tstg -55 to +150 ºC
Temperature Range
THERMAL RESISTANCE
Junction to ambient Rth(j-a) 156 ºC/W
Junction to case Rth(j-c) 45 ºC/W
ELECTRICAL CHARACTERISTICS (Ta=25ºC Unless Otherwise Specified)
DESCRIPTION SYMBOL TEST CONDITION 423 421 UNITS
Collector Emitter Voltage* VCEO IC=1.0mA,IB=0 >250 >300 V
Collector Base Voltage VCBO IC=100µA.IE=0 >250 >300 V
EmitterBase Voltage VEBO IE=100µA, IC=0 >5 >5 V
Collector-Cut off Current ICBO VCB=200V,IE=0 <10 <10 nA
Emitter-Cut off Current IEBO VEB=5.0V, IC=0 <100 <100 nA
DC Current Gain hFE IC=25mA,VCE=20V >50 >50
Collector Emitter Saturation Voltage VCE(sat) IC=20mA,IB=2mA <0.5 <0.5 V
Base Emitter Saturation Voltage VBE(sat) IC=20mA,IB=2mA <2 <2 V
Transys
Electronics
LI
M
ITE
D
PNP SILICON PLANAR EPITAXIAL HIGH VOLTAGE BF421
VIDEO TRANSISTORS BF423
TO-92
Plastic Package
ELECTRICAL CHARACTERISTICS (Ta=25ºC Unless Specified Otherwise)
DESCRIPTION SYMBOL TEST CONDITION 423 421 UNITS
DYNAMIC CHARACTERISTICS
Current Gain-Bandwidth Product fTIC=10mA, VCE=10V >60 >60 MHz
f=50MHz
Feedback Capacitance Cre VCB=30V, IE=0 <2.8 <2.8 pF
f=1MHz
*Pulse Condition: = Width < 300us, Duty Cycle < 2.0%.
BF421
BF423
TO-92
Plastic Package
TO-92 Transistors on Tape and Ammo Pack
TO-92 Plastic Package
PIN CONFIGURATION
1. BASE
2. COLLECTOR
3. EMITTER
B
A
L
Solderability Ensured Dimension Wit h 'L'
UncontrolledBe yond 'L'
K
E
DAA SEC AA
G
D
321
1
2
3
FF
H
C
3 2 1
All diminsions in mm.
DIM MIN. MAX.
A 4.32 5.33
B 4.45 5.20
C 3.18 4.19
D 0.41 0.55
E 0.35 0.50
F5 DEG
G 1.14 1.40
H 1.14 1.53
2.082
K
L12.70
1.982
CUMULATIVE PITCH
ERROR 1.0 mm /20
PITCH
TO BE MEASURED AT
BOTTOM O F CLINCH
AT TOP OF BODY
t1 0.3 - 0.6
BODY WIDTH
BODY HEIGHT
BODY THICKNESS
PITCH OF COMPONENT
FEED HOLE PITCH
FEED HO LE CENTRE TO
COMP ONENT CENTRE
DISTANCE BETWEEN OUTER
LEADS
COMPONENT ALIGNMENT
TAPE WIDTH
HOLD-DOWN TAPE WIDTH
HOLE POS ITIO N
HOLD-DOWN TAPE POSITION
LEAD WI RE CLINCH HEIGHT
COMPONENT HEIGHT
LENGTH OF SNIPPED LEADS
FEED HOLE DIAMETER
TOTAL TAPE THICKNESS
LEAD - TO - LEAD DISTANCEF1,
CLINCH HEIGHT
PULL - OUT FOR CE
ITEM
A1
A
T
P
Po
P2
F
h
W
Wo
W1
W2
Ho
H1
L
Do
t
F2
H2
(P)
SYMBOL SPECIFICATION
4.0
4.8
3.9
6N
MIN.
12.7
12.7
6.35
5.08
0
18
6
9
0.5
16
4
2.54
NOM. 4.8
5.2
4.2
1
23.25
11.0
1.2
3
MAX.
±1
±0.3
±0.4
+0.6
-0.2
±0.5
±0.2
+0.7
-0.5
±0.2
±0.5
±0.2
+0.4
-0.1
TOL . REMARKS
NOTES
1. MAXIMUM ALIGNM ENT DEVIATION BE TWEEN L EADS NO T TO BE GREATER THAN 0.2 m m.
2. MAXIMUM NON-CUMUL ATIV E VARIAT ION BETW EEN TA PE FEED HOLES SHALL NOT EXCEED 1 mm IN 20
PIT CHES.
3. H OLDDOWN TAP E NOT TO EXCEED BEYOND THE EDGE(S ) OF CAR RIER TAPE AND THERE SHALL BE NO
EXPOSURE OF AD HESIVE.
4. NO MORE THAN 3 CONSECUTIVE MISSING COMPONENTS ARE PERMITTED.
5. A TAPE TRAILER, HAVING AT LE AST THREE FE ED HOLES ARE REQUIRED AFT ER THE L AST COM PONENT.
6
.
S
PLI
C
E
S
S
HALL N
O
T INTER FERE WITH THE
S
PR
OC
KET FEED H
O
LE
S
.
All dimensions in mm unless specified otherwise
Ammo Pack
S
t
y
le
Adhesive T ape on Top Side
FLAT SIDE
ME CHA NI CA L DATA
T
t1
tF1 F2
F
P2Po
Do
(p)
W2
Wo W1 W
H1
A
A1
P
H0
L
Flat Side of Transistor and
Adhesive Tape Visi ble
2000 pc s./Ammo Pack
LABEL
Carrier
Strip
183
mm
331
mm
FEED
42
mm
hh
TO-92 B ulk
TO-92 T&A 1K/polybag
2K/ammo box 200 gm/1K pcs
645 gm/2K pcs 3" x 7.5" x 7.5"
12.5 " x 8" x 1.8" 5K
2K 17" x 15" x 13.5"
17" x 15" x 13.5" 80K
32K 23 kgs
12.5 kgs
PACKAGE
Net Weight/Qty
Details
STANDARD PACK INNER CARTON BOX
Qty
OUTER CARTON BOX
Qty Gr WtSize Size
P
ac
ki
ng
D
eta
il