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Ordering number:ENN2089B
PNP/NPN Epitaxial Planar Silicon Transistors
2SA1477/2SC3787
160V/140mA Switching Applications
Applications
· Predrivers for 100W power amplifiers.
Features
· Adoption of FBET process.
· Excellent linearity of hFE.
· Small Cob.
· Plastic-convered heat sink facilitating high-density
mounting (TO-126ML package).
Package Dimensions
unit:mm
2042B
[2SA1477/2SC3787]
8.0
4.0
1.0 1.0
3.3
3.0
1.6
0.8
0.8
0.75 0.7
( ) : 2SA1477
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter
Collector-to-Base Voltage
Collector-to-Emitter Voltage
Emitter-to-Base Voltage
Collector Current
Peak Collector Current
Collector Dissipation
Symbol
VCBO
VCEO
VEBO
IC
ICP
PC
Junction Temperature
Storage Temperature
Tj
Tstg
Tc=25˚C
Conditions
Electrical Characteristics at Ta = 25˚C
Parameter
Symbol
Conditions
Collector Cutoff Current
ICBO VCB=()120V, IE=0
Emitter Cutoff Current
IEBO VEB=()4V, IC=0
DC Current Gain
hFE VCE=()5V, IC=()10mA
Gain-Bandwidth Product
fT VCE=()10V, IC=()10mA
*: The 2SA1477/2SC3787 are classified by 10mA hFE as follows :
Rank
R
S
T
hFE 100 to 200 140 to 280 200 to 400
123
2.4
4.8
1 : Emitter
2 : Collector
3 : Base
SANYO : TO-126ML
Ratings
()180
()160
()5
()140
()200
1.3
10
150
55 to +150
Unit
V
V
V
mA
mA
W
W
˚C
˚C
Ratings
min typ max
Unit
()100 nA
()100 nA
100 400
150 MHz
Continued on next page.
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O3103TN (KT)/71598HA (KT)/10996TS (KOTO) 8-8491/5197TA, TS No.2089-1/5

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Continued from preceding page.
Parameter
Output Capacitance
Collector-to-Emitter Saturation Voltage
Base-to-Emitter Saturation Voltage
Collector-to-Base Breakdown Voltage
Collector-to-Emitter Breakdown Voltage
Emitter-to-Base Breakdown Votage
Rise Time
Storage Time
Fall Time
2SA1477/2SC3787
Symbol
Conditions
Cob VCB=()10V, f=1MHz
VCE(sat) IC=()50mA, IB=()5mA
VBE(sat)
V(BR)CBO
V(BR)CEO
V(BR)EBO
ton
tstg
tf
IC=()50mA, IB=()5mA
IC=()10µA, IE=0
IC=()1mA, RBE=
IE=()10µA, IC=0
See specified Test Circuit
See specified Test Circuit
See specified Test Circuit
Switching Time Test Circuit
PW=20µs
D.C.1% 3k
IB1
IB2
OUTPUT
INPUT
VR
50
RB
5k
+
RL
2k
+
100µF
470µF
--2V 20V
IC=10IB1=10IB2=10mA
(For PNP, the polarity is reversed.)
Ratings
min typ
(4.0)
3.0
(140)
70
()180
()160
()5
0.1
0.5
0.1
max
(400)
300
1.2
Unit
pF
pF
mV
mV
V
V
V
V
µs
µs
µs
--140 IC -- VCE
--120
--100
--0.6mA --0.5mA
--80
--0.4mA
--0.3mA
2SA1477
--60 --0.2mA
--40
--20
0
0
--160
--140
--120
--100
--80
--60
--40
--0.1mA
IB=0
--10 --20 --30 --40 --50 --60 --70
Collector-to-Emitter Voltage, VCE – V ITR03726
IC -- VBE
2SA1477
VCE=--5V
--20
0
0
--0.2 --0.4 --0.6 --0.8 --1.0 --1.2
Base-to-Emitter Voltage, VBE – V ITR03728
IC -- VCE
140
2SC3787
120 0.5mA
0.4mA
100
0.3mA
80
60 0.2mA
40
0.1mA
20
IB=0
0
0 10 20 30 40 50 60 70
Collector-to-Emitter Voltage, VCE – V ITR03727
IC -- VBE
160
2SC3787
140 VCE=5V
120
100
80
60
40
20
0
0 0.2 0.4 0.6 0.8 1.0 1.2
Base-to-Emitter Voltage, VBE – V ITR03729
No.2089-2/5

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1000
7
5
3
2
100
7
5
3
2
hFE -- IC
Ta=75°C
25°C
--25°C
2SA1477/2SC3787
2SA1477
VCE=--5V
1000
7
5
3
2
100
7
5
3
2
hFE -- IC
Ta=75°C 25°C
--25°C
2SC3787
VCE=5V
10
5 7 --1.0
3
2
2 3 5 7 --10 2 3 5 7 --100 2 3
Collector Current, IC – mA
ITR03730
fT -- IC
2SA1477
VCE=--10V
10 7 1.0
3
2
2 3 5 7 10 2 3 5 7 100 2 3
Collector Current, IC – mA
ITR03731
fT -- IC
2SC3787
VCE=10V
100
7
5
3
2
100
7
5
3
2
10
--1.0
100
7
5
3
2
2 3 5 7 --10 2 3 5 7 --100 2
Collector Current, IC – mA
ITR03732
Cob -- VCB
2SA1477
f=1MHz
10
7
5
3
2
1.0
--1.0
--10000
7
5
3
2
23
5 7 --10
23
5 7 --100
Collector-to-Base Voltage, VCB -- V ITR03734
VCE(sat) -- IC
2SA1477
IC / IB=10
--1000
7
5
3
2
--100
7
5
Ta=75°C 25°C
--25°C
3
7 --1.0
2 3 5 7 --10 2 3 5 7 --100 2 3
Collector Current, IC – mA
ITR03736
10
1.0
100
7
5
3
2
23
5 7 10
23
5 7 100
2
Collector Current, IC – mA
ITR03733
Cob -- VCB
2SC3787
f=1MHz
10
7
5
3
2
1.0
1.0
10000
7
5
3
2
23
5 7 10
23
5 7 100
Collector-to-Base Voltage, VCB -- V ITR03735
VCE(sat) -- IC
2SC3787
IC / IB=10
1000
7
5
3
2
100
7
5
3
7 1.0
Ta=75°C 25°C
--25°C
2 3 5 7 10
2 3 5 7 100 2 3
Collector Current, IC – mA
ITR03737
No.2089-3/5

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2SA1477/2SC3787
VBE(sat) -- IC
--10
2SA1477
7 IC / IB=10
VBE(sat) -- IC
10
2SC3787
7 IC / IB=10
55
33
22
--1.0
7
5
Ta=75°C 25°C
75°C
3
7 --1.0
1.4
1.3
1.2
2 3 5 7 --10 2 3 5 7 --100 2 3
Collector Current, IC – mA
ITR03738
PC -- Ta
2SA1477 / 2SC3787
1.0
0.8
0.6
0.4
0.2
00 20 40 60 80 100 120 140 160
Ambient Temperature, Ta – ˚C ITR03740
ASO
5
2SA1477 / 2SC3787
3
ICP=200mA
2
IC=140mA
100
7
5
3
DC operation
2
10 Ta=25°C
Single pulse
7
(For PNP, minus sign is omitted.)
5
5 7 10
23
5 7 100
23
Collector-to-Emitter Voltage, VCE – VITR03742
1.0 Ta=75°C 25°C
7
5 75°C
3
7 1.0
12
2 3 5 7 10
2 3 5 7 100 2 3
Collector Current, IC – mA
ITR03739
PC -- Tc
2SA1477 / 2SC3787
10
8
6
4
2
0
0 20 40 60 80 100 120 140 160
Case Temperature, Tc – ˚C
ITR03741
No.2089-4/5

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2SA1477/2SC3787
Specifications of any and all SANYO products described or contained herein stipulate the performance,
characteristics, and functions of the described products in the independent state, and are not guarantees
of the performance, characteristics, and functions of the described products as mounted in the customer's
products or equipment. To verify symptoms and states that cannot be evaluated in an independent device,
the customer should always evaluate and test devices mounted in the customer's products or equipment.
SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all
semiconductor products fail with some probability. It is possible that these probabilistic failures could
give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,
or that could cause damage to other property. When designing equipment, adopt safety measures so
that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective
circuits and error prevention circuits for safe design, redundant design, and structural design.
In the event that any or all SANYO products(including technical data,services) described or
contained herein are controlled under any of applicable local export control laws and regulations,
such products must not be exported without obtaining the export license from the authorities
concerned in accordance with the above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system,
or otherwise, without the prior written permission of SANYO Electric Co., Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification"
for the SANYO product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not
guaranteed 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 October, 2003. Specifications and information herein are subject
to change without notice.
PS No.2089-5/5