MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
High Voltage Transistors
NPN Silicon
COLLECTOR
2
3
BASE
1
EMITTER
BF420
BF422
MAXIMUM RATINGS
Rating
Collector – Emitter Voltage
Collector – Base Voltage
Emitter – Base Voltage
Collector Current — Continuous
Total Device Dissipation @ TA = 25°C
Derate above 25°C
Total Device Dissipation @ TC = 25°C
Derate above 25°C
Operating and Storage Junction
Temperature Range
Symbol
VCEO
VCBO
VEBO
IC
PD
PD
TJ, Tstg
BF420
300
300
5.0
500
625
5.0
1.5
12
– 55 to +150
BF422
250
250
Unit
Vdc
Vdc
Vdc
mAdc
mW
mW/°C
Watts
mW/°C
°C
1
2
3
CASE 29–04, STYLE 14
TO–92 (TO–226AA)
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction to Ambient
Thermal Resistance, Junction to Case
Symbol
R
q
JA
R
q
JC
Max
200
83.3
Unit
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
(TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Max
Unit
OFF CHARACTERISTICS
Collector – Emitter Breakdown Voltage(1)
(IC = 1.0 mAdc, IB = 0)
Collector – Base Breakdown Voltage
(IC = 100
m
Adc, IE = 0)
Emitter – Base Breakdown Voltage
(IE = 100
m
Adc, IC = 0)
Collector Cutoff Current
(VCB = 200 Vdc, IE = 0)
Emitter Cutoff Current
(VEB = 5.0 Vdc, IC = 0)
1. Pulse Test: Pulse Width
V(BR)CEO
BF420
BF422
V(BR)CBO
BF420
BF422
V(BR)EBO
BF420
BF422
ICBO
BF420
BF422
IEBO
BF420
BF422
—
—
100
—
—
—
0.01
—
nAdc
5.0
5.0
—
—
µAdc
300
250
—
—
Vdc
300
250
—
—
Vdc
Vdc
v
300
m
s; Duty Cycle
v
2.0%.
Motorola Small–Signal Transistors, FETs and Diodes Device Data
2–245
BF420 BF422
ELECTRICAL CHARACTERISTICS
(TA = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
Max
Unit
ON CHARACTERISTICS
DC Current Gain
(IC = 25 mAdc, VCE = 20 Vdc)
Collector – Emitter Saturation Voltage
(IC = 20 mAdc, IB = 2.0 mAdc)
Base – Emitter Saturation Voltage
(IC = 20 mAdc, IB = 2.0 mAdc)
hFE
BF420
BF422
VCE(sat)
—
VBE(sat)
—
2.0
0.5
Vdc
50
50
—
—
Vdc
—
SMALL– SIGNAL CHARACTERISTICS
Current Gain — Bandwidth Product
(IC = 10 mAdc, VCE = 10 Vdc, f = 20 MHz)
Common Emitter Feedback Capacitance
(VCB = 30 Vdc, IE = 0, f = 1.0 MHz)
fT
60
Cre
—
1.6
—
pF
MHz
2–246
Motorola Small–Signal Transistors, FETs and Diodes Device Data
BF420 BF422
200
VCE = 10 Vdc
hFE, DC CURRENT GAIN
TJ = +125°C
100
25°C
50
–55°C
30
20
1.0
2.0
3.0
5.0
7.0
10
IC, COLLECTOR CURRENT (mA)
20
30
50
70
100
Figure 1. DC Current Gain
100
50
C, CAPACITANCE (pF)
20
10
5.0
Ccb
0.5
1.0 2.0
5.0 10
20
50
VR, REVERSE VOLTAGE (VOLTS)
Ceb
f T, CURRENT–GAIN — BANDWIDTH PRODUCT (MHz)
100
70
50
TJ = 25°C
VCE = 20 V
f = 20 MHz
30
20
2.0
1.0
0.2
100
200
10
1.0
2.0
3.0
5.0 7.0 10
20 30
IC, COLLECTOR CURRENT (mA)
50
70 100
Figure 2. Capacitances
Figure 3. Current–Gain — Bandwidth Product
1.4
IC, COLLECTOR CURRENT (mA)
1.2
V, VOLTAGE (VOLTS)
1.0
0.8
0.6
0.4
0.2
0
1.0
VCE(sat) @ IC/IB = 10
2.0
3.0
5.0 7.0 10
20 30
IC, COLLECTOR CURRENT (mA)
50
70 100
VBE(sat) @ IC/IB = 10
VBE(on) @ VCE = 10 V
TJ = 25°C
500
200
100
50
20
10
5.0
2.0
1.0
0.5
0.5
CURRENT LIMIT
THERMAL LIMIT
(PULSE CURVES @ TC = 25°C)
SECOND BREAKDOWN LIMIT
CURVES APPLY
BELOW RATED VCEO
1.0
2.0
5.0
10
20
MPSA43
MPSA42
50
100
TA = 25°C
TC = 25°C
100 ms
100
µs
10
µs
1.0 ms
200
500
VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS)
Figure 4. “On” Voltages
Figure 5. Maximum Forward Bias
Safe Operating Area
Motorola Small–Signal Transistors, FETs and Diodes Device Data
2–247
EMBOSSED TAPE AND REEL
SOT-23, SC-59, SC-70/SOT-323, SC–90/SOT–416, SOT-223 and SO-16 packages are available only in
Tape and Reel.
Use the appropriate suffix indicated below to order any of the SOT-23, SC-59,
SC-70/SOT-323, SOT-223 and SO-16 packages. (See Section 6 on Packaging for additional information).
SOT-23:
available in 8 mm Tape and Reel
Use the device title (which already includes the “T1” suffix) to order the 7 inch/3000 unit reel.
Replace the “T1” suffix in the device title with a “T3” suffix to order the 13 inch/10,000 unit reel.
available in 8 mm Tape and Reel
Use the device title (which already includes the “T1” suffix) to order the 7 inch/3000 unit reel.
Replace the “T1” suffix in the device title with a “T3” suffix to order the 13 inch/10,000 unit reel.
available in 8 mm Tape and Reel
Use the device title (which already includes the “T1” suffix) to order the 7 inch/3000 unit reel.
Replace the “T1” suffix in the device title with a “T3” suffix to order the 13 inch/10,000 unit reel.
available in 12 mm Tape and Reel
Use the device title (which already includes the “T1” suffix) to order the 7 inch/1000 unit reel.
Replace the “T1” suffix in the device title with a “T3” suffix to order the 13 inch/4000 unit reel.
available in 16 mm Tape and Reel
Add an “R1” suffix to the device title to order the 7 inch/500 unit reel.
Add an “R2” suffix to the device title to order the 13 inch/2500 unit reel.
SC-59:
SC-70/
SOT-323:
SOT-223:
SO-16:
RADIAL TAPE IN FAN FOLD BOX OR REEL
TO-92 packages are available in both bulk shipments and in Radial Tape in Fan Fold Boxes or Reels.
Fan Fold Boxes and Radial Tape Reel are the best methods for capturing devices for automatic insertion in
printed circuit boards.
TO-92:
available in Fan Fold Box
Add an “RLR” suffix and the appropriate Style code* to the device title to order the Fan Fold box.
available in 365 mm Radial Tape Reel
Add an “RLR” suffix and the appropriate Style code* to the device title to order the Radial Tape
Reel.
*Refer to Section 6 on Packaging for Style code characters and additional information on ordering
*requirements.
DEVICE MARKINGS/DATE CODE CHARACTERS
SOT-23, SC-59, SC-70/SOT-323, and the SC–90/SOT–416 packages have a device marking and a date
code etched on the device.
The generic example below depicts both the device marking and a representa-
tion of the date code that appears on the SC-70/SOT-323, SC-59 and SOT-23 packages.
ABC
D
The “D” represents a smaller alpha digit Date Code. The Date Code indicates the actual month in which the
part was manufactured.
2–2
Motorola Small–Signal Transistors, FETs and Diodes Device Data
Tape and Reel Specifications
and Packaging Specifications
Embossed Tape and Reel is used to facilitate automatic pick and place equipment feed requirements. The tape is used as the
shipping container for various products and requires a minimum of handling. The antistatic/conductive tape provides a secure
cavity for the product when sealed with the “peel–back” cover tape.
•
•
•
•
Two Reel Sizes Available (7″ and 13″)
Used for Automatic Pick and Place Feed Systems
Minimizes Product Handling
EIA 481, –1, –2
•
SOD–123, SC–59, SC–70/SOT–323, SC–70ML/SOT–363,
SOT–23, TSOP–6, in 8 mm Tape
•
SOT–223 in 12 mm Tape
•
SO–14, SO–16 in 16 mm Tape
Use the standard device title and add the required suffix as listed in the option table on the following page. Note that the individual
reels have a finite number of devices depending on the type of product contained in the tape. Also note the minimum lot size is
one full reel for each line item, and orders are required to be in increments of the single reel quantity.
SOD–123
8 mm
SC–59, SC–70/SOT–323, SOT–23
8 mm
SC–70ML/SOT–363, TSOP–6
T1 ORIENTATION
8 mm
SOT–223
12 mm
SO–14, 16
16 mm
SC–70ML/SOT–363
T2 ORIENTATION
8 mm
DIRECTION
OF FEED
EMBOSSED TAPE AND REEL ORDERING INFORMATION
Tape Width
(mm)
8
8
8
16
16
16
16
8
8
8
8
12
12
8
8
8
Pitch
(inch)
Reel Size
mm
(inch)
178
178
330
178
330
178
330
178
330
178
330
178
330
178
178
178
(7)
(7)
(13)
(7)
(13)
(7)
(13)
(7)
(13)
(7)
(13)
(7)
(13)
(7)
(7)
(7)
Devices Per Reel
and Minimum
Order Quantity
3,000
3,000
10,000
500
2,500
500
2,500
3,000
10,000
3,000
10,000
1,000
4,000
3,000
3,000
3,000
Device
Suffix
T1
T1
T3
R1
R2
R1
R2
T1
T3
T1
T3
T1
T3
T1
T2
T1
Package
SC–59
SC–70/SOT–323
SO–14
SO–16
SOD–123
SOT–23
SOT–223
SC–70ML/SOT–363
TSOP–6
mm
4.0
±
0.1 (.157
±
.004)
4.0
±
0.1 (.157
±
.004)
8.0
±
0.1 (.315
±
.004)
8.0
±
0.1 (.315
±
.004)
4.0
±
0.1 (.157
±
.004)
4.0
±
0.1 (.157
±
.004)
8.0
±
0.1 (.315
±
.004)
4.0
±
0.1 (.157
±
.004)
4.0
±
0.1 (.157
±
.004)
Tape and Reel Specifications
6–2
Motorola Small–Signal Transistors, FETs and Diodes Device Data
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