ROHM EMB9

EMB9 / UMB9N / IMB9A
Transistors
General purpose
(dual digital transistors)
EMB9 / UMB9N / IMB9A
!External dimensions (Units : mm)
!Features
1) Two DTA144Ys in a EMT or UMT or SMT package.
2) Mounting possible with EMT3 or UMT3 or SMT3
automatic mounting machines.
3) Transistor elements are independent, eliminating
interference.
4) Mounting cost and area can be cut in half.
(3)
0.22
(4)
(5)
(2)
(6)
0.5 0.5
1.0
1.6
EMB9
(1)
0.5
0.13
1.2
1.6
Each lead has same dimensions
ROHM : EMT6
0to0.1
2.0
Abbreviated symbol : B9
IMB9A
(1)
(2)
1.6
R2=47kΩ
(1)
Symbol
Limits
Unit
Supply voltage
VCC
−50
V
Input voltage
VIN
−40
6
Output current
IO
−70
IC (Max.)
−100
150 (TOTAL)
0.8
Abbreviated symbol : B9
V
mA
EMB9, UMB9N
Power
dissipation IMB9A
Pd
Junction temperature
Tj
150
˚C
Storage temperature
Tstg
−55∼+150
˚C
mW
300 (TOTAL)
∗1 120mW per element must not be exceeded.
∗2 200mW per element must not be exceeded.
Each lead has same dimensions
ROHM : SMT6
EIAJ : SC-74
!Absolute maximum ratings (Ta = 25°C)
Parameter
0to0.1
0.3to0.6
1.1
2.8
0.15
(6)
(5)
R1=10kΩ
R2 R1
(3) (2)
(3)
DTr2
0.95 0.95
1.9
2.9
(6)
0.3
DTr1
DTr1
DTr2
IMB9A
(4) (5) (6)
R1 R2
(3) (2) (1)
R1 R2
(4)
EMB9 / UMB9N
R2 R1
(4) (5)
Each lead has same dimensions
ROHM : UMT6
EIAJ : SC-88
!Equivalent circuit
R2=47kΩ
0.7
0.15
0.1Min.
0.9
2.1
The following characteristics apply to both DTr1 and
DTr2.
R1=10kΩ
1.3
(3)
(2)
(1)
1.25
0.65
(6)
(5)
0.2
(4)
UMB9N
0.65
Abbreviated symbol : B9
!Structure
Epitaxial planar type
PNP silicon transistor (Built-in resistor type)
∗1
∗2
EMB9 / UMB9N / IMB9A
Transistors
!Electrical characteristics (Ta = 25°C)
Parameter
Symbol
Min.
Typ.
Max.
VI (off)
−
−
−0.3
VI (on)
−1.4
−
−
VO (on)
−
−0.1
−0.3
V
Input voltage
Output voltage
Conditions
VCC=−5V, IO=−100µA
V
VO=−0.3V, IO=−1mA
IO/II=−5mA/−0.25mA
VI=−5V
II
−
−
−0.88
mA
IO (off)
−
−
−0.5
µA
VCC=−50V, VI=0V
GI
68
−
−
−
VO=−5V, IO=−5mA
Input current
Output current
Unit
DC current gain
Transition frequency
fT
−
250
−
MHz
VCE=−10mA, IE=5mA, f=100MHz
Input resistance
R1
7
10
13
kΩ
−
Resistance ratio
R2 / R 1
3.7
4.7
5.7
−
−
∗
∗ Transition frequency of the device
!Packaging specifications
Package
Type
Taping
Code
T2R
TR
T148
Basic ordering
unit (pieces)
8000
3000
3000
EMB9
UMB9N
IMB9A
!Electrical characteristic curves
−100
−10m
VO=−0.3V
1k
VCC=−5V
−5m
−50
500
−20
−2
Ta=100˚C
25˚C
−40˚C
−200µ
Ta=−40˚C
25˚C
100˚C
−100µ
−1
−500m
−200m
−50µ
−20µ
−10µ
−2m
−5m −10m −20m −50m −100m
OUTPUT CURRENT : IO (A)
Fig.1 Input voltage vs. output current
(ON characteristics)
−1000m
lO/lI =20
−500m
Ta=100˚C
25˚C
−40˚C
−200m
−100m
−50m
−20m
−10m
−5m
−2m
−1m
−100µ −200µ −500µ −1m
−2m
−5m −10m −20m −50m−100m
OUTPUT CURRENT : IO (A)
Fig.4 Output voltage vs. output
current
200
VO=−5V
Ta=100˚C
25˚C
−40˚C
100
50
20
10
5
−5µ
2
−2µ
−100m
−100µ −200µ −500µ −1m
OUTPUT VOLTAGE : VO (on) (V)
−1m
−500µ
−10
−5
DC CURRENT GAIN : GI
OUTPUT CURRENT : Io (A)
INPUT VOLTAGE : VI (on) (V)
−2m
−1µ
1
0
−0.5
−1
−1.5
−2
−2.5
−3
INPUT VOLTAGE : VI (off) (V)
Fig.2 Output current vs. input voltage
(OFF characteristics)
−100µ −200µ −500µ −1m
−2m
−5m −10m −20m −50m−100m
OUTPUT CURRENT : IO (A)
Fig.3 DC current gain vs. output
current