Panasonic 2SD1938(F) User Manual

Page of 3
Transistors
1
Publication date: August 2004
SJC00313AED
2SD1938(F)
Silicon NPN epitaxial planar type
For low-voltage output amplification
For muting
For DC-DC converter
■ Features
• Low ON resistance R
on
• High forward current transfer ratio h
FE
• Mini type package, allowing downsizing of the equipment and
automatic insertion through the tape packing
■ Absolute Maximum Ratings  T
a
 
= 25°C
Parameter
Symbol
Rating
Unit
Collector-base voltage (Emitter open)
V
CBO
50
V
Collector-emitter voltage (Base open)
V
CEO
20
V
Emitter-base voltage (Collector open)
V
EBO
25
V
Collector current
I
C
300
mA
Peak collector current
I
CP
500
mA
Collector power dissipation
P
C
200
mW
Junction temperature
T
j
150
°C
Storage temperature
T
stg
−55 to +150
°C
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Collector-emitter voltage (Base open)
V
CEO
I
C
 
= 1 mA, I
B
 
=  0
20
V
Base-emitter voltage
V
BE
V
CE
 
= 2 V, I
C
 
= 4 mA
0.6
V
Collector-base cutoff current (Emitter open)
I
CBO
V
CB
 
= 50 V, I
E
 
= 0
0.1
µA
Emitter-base cutoff current (Collector open)
I
EBO
V
EB
 
= 25 V, I
C
 
= 0
0.1
µA
Forward current transfer ratio 
*1
h
FE
V
CE
 = 2 V, I
C
 = 4 mA
500
2 500
Collector-emitter saturation voltage
V
CE(sat)
I
C
 
= 30 mA, I
B
 
= 3 mA
0.1
V
Transition frequency
f
T
V
CB
 
= 6 V, I
E
 
= −4 mA, f = 200 MHz
80
MHz
Collector output capacitance
C
ob
V
CB
 
= 10 V, I
E
 
= 0, f = 1 MHz
7
pF
(Common base, input open circuited)
ON resistance 
*2
R
on
1.0
Ω
■ Electrical Characteristics  T
a
 
= 25°C ± 3°C
Unit: mm
Note) 1. Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7030 measuring methods for transistors.
2. *1: Rank classification
*2: R
on
 Measuremet circuit
Rank
S
T
No rank
h
FE
500 to 1 500
800 to 2 500
500 to 2 500
V
V
1 k
Ω
R
on
 =        V
B
         × 1 000 (Ω)
 
    V
A
 
− V
B
= 1 kHz
= 0.3 V
V
B
I
B
 
= 1 mA
V
A
1: Base
2: Emitter
3: Collector
EIAJ: SC-59
JEDEC: SOT-346
Mini3-G1 Package
Marking symbol: 3W
0.40
+0.10
–0.05
(0.65)
1.50
+0.25 –0.05
2.8
+0.2 –0.3
2
1
3
(0.95) (0.95)
1.9
±0.1
2.90
+0.20
–0.05
0.16
+0.10
–0.06
0.4
±
0.2
10˚
0 to 0.1
1.1
+0.2 –0.1
1.1
+0.3 –0.1
Product of no-rank classification is not marked.
This product complies with the RoHS Directive (EU 2002/95/EC).