Ordering number : EN3971
NPN Epitaxial Planar Silicon Transistor
2SD1908
CRT Display Horizontal Deflection Output
Applications
Features
Package Dimensions
• Fast switching speed.
unit: mm
• Especially suited for use in high-definition CRT display :
2049B-TO-220MF
VCC=6 to 12V.
• Wide ASO and highly resistant to breakdown.
[2SD1908]
Specifications
Absolute Maximum Ratings
at Ta=25°C
Parameter
Collector-to-Base Voltage
Collector-to-Emitter Voltage
Emitter-to-Base Voltage
Collector Current
Collector Current (Pulse)
Base Current
Collector Dissipation
Junction Temperature
Storage Temperature
Symbol
VCBO
VCEO
VEBO
IC
ICP
IB
PC
Tc=25°C
Tj
Tstg
Conditions
Ratings
E : Emitter
C : Collector
B : Base
SANYO : TO-220MF
330
150
6
7
12
4
1.65
50
150
–55 to +150
Unit
V
V
V
A
A
A
W
W
°C
°C
Electrical Characteristics
at Ta=25°C
Parameter
Collector Cutoff Current
Emitter Cutoff Current
DC Current Gain
Gain-Bandwidth Product
C-E Saturation Voltage
B-E Saturation Voltage
C-B Breakdown Voltage
C-E Breakdown Voltage
E-B Breakdown Voltage
Fall Time
Symbol
ICBO
IEBO
hFE(1)
hFE(2)
fT
VCE(sat)
VBE(sat)
V(BR)CBO
V(BR)CEO
V(BR)EBO
tf
Conditions
VCB=200V, IE=0
VEB=5V, IC=0
VCE=1V, IC=1A
VCE=1V, IC=5A
VCE=10V, IC=0.5A
IC=5A, IB=0.5A
IC=5A, IB=0.5A
IC=1mA, IE=0
IC=1mA, RBE=∞
IE=1mA, IC=0
IC=5A, IB1=–IB2=0.5A
Ratings
min
typ
max
100
100
50
40
1
1.2
330
150
6
0.5
MHz
V
V
V
V
V
µs
Unit
µA
mA
15
10
10
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
11697YK (KOTO) 8-0537 No.3971-1/3
2SD1908
No products described or contained herein are intended for use in surgical implants, life-support systems,
aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and
the like, the failure of which may directly or indirectly cause injury, death or property lose.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates,
subsidiaries and distributors and all their officers and employees, jointly and severally, against any
and all claims and litigation and all damages, cost and expenses associated with such use:
Not impose any responsibilty for any fault or negligence which may be cited in any such claim or
litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of
their officers and employees jointly or severally.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guarant-
eed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees
are made or implied regarding its use or any infringements of intellectual property rights or other rights of
third parties.
This catalog provides information as of January, 1997. Specifications and information herein are subject
to change without notice.
No.3971-3/3
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