EMB3 / UMB3N / IMB3A
Transistors
General purpose (dual digital transistors)
EMB3 / UMB3N / IMB3A
zFeatures
1) Two DTA143T chips in a EMT6 or UMT6 or SMT6
package.
2) Mounting possible with EMT3 or UMT3 or SMT3
automatic mounting machines.
3) Transistor elements are independent, eliminating
interference.
zStructure
Dual PNP digital transistor
(each with single built in resistor)
The following characteristics apply to both DTr
1
and DTr2.
zEquivalent circuit
EMB3, UMB3N IMB3A
DTr
2
(3) (2) (1)
(4) (5) (6)
R
1
DTr
R
1
R1=4.7kΩ
1
(3) (2) (1)
DTr
2
R1=4.7kΩ
1
R
DTr
R
1
(4) (5) (6)
1
zPackaging specifications
Type
EMB3
UMB3N
IMB3N
Package
Code
Basic ordering unit (pieces)
T2R
8000
−
−
Taping
TN
3000
−
−
T110
3000
−
−
zExternal dimensions (Unit : mm)
EMB3
1pin mark
ROHM : EMT6
UMB3N
1pin mark
ROHM : UMT6
EIAJ : SC-88
IMB3A
1pin mark
ROHM : SMT6
EIAJ : SC-74
1.6
1.0
0.5
0.5
(5)
(6)
(4)
(2)
(1)
(3)
0.22
Each lead has same dimensions
Abbreviated symbol : B3
2.0
1.3
0.65
0.65
(5)
(4)
(6)
(3)
(1)
(2)
0.2
Each lead has same dimensions
Abbreviated symbol : B3
2.9
1.9
0.95
0.95
(5)
(6)
(4)
(1)
(2)
(3)
0.3
Each lead has same dimensions
Abbreviated symbol : B3
0.5
1.2
1.6
0.13
0.9
0.7
2.1
1.25
0.15
0.1Min.
1.1
0.8
1.6
2.8
0.15
0.3Min.
Rev.B 1/2
EMB3 / UMB3N / IMB3A
m
m
)
Transistors
zAbsolute maximum ratings (Ta = 25°C)
Parameter Symbol Limits
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Collector power
dissipation
EMB3,UMB3N
IMB3A
Junction temperature
Storage temperature
1 120mW per element must not be exceeded.
∗
2 200mW per element must not be exceeded.
∗
V
CBO
V
CEO
V
EBO
I
C
P
C
Tj 150
Tstg
−50
−50
−5
−100
150 (TOTAL)
300 (TOTAL)
−55 to +150 °C
zElectrical characteristics (Ta = 25°C)
Parameter
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
DC current transfer ratio
Transition frequency
Input resistance
Transition frequency of the device
∗
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
V
CE (sat)
h
FE
fT
R
1
Typ. Max. Unit Conditions
Min.
−50
−50
100
3.29
−5
−
−
−
−
−
−
−
−
−
250
250
−
4.7
zElectrical characteristic curves
1k
500
FE
200
100
50
20
10
DC CURRENT GAIN : h
−100µ−1m
Ta=100°C
25°C
−40°C
5
2
1
−200µ−2m
−500µ−5m
COLLECTOR CURRENT : I
−10m
VCE=−5V
−20m
C
(A)
−50m−100
Fig.1 DC current gain vs. collector
current
−1
(V
−500m
CE(sat)
−200m
−100m
−50m
−20m
−10m
−5m
−2m
−1m
−100µ−1m
COLLECTOR SATURATION VOLTAGE : V
Ta=100°C
−200µ−2m
−500µ−5m
COLLECTOR CURRENT : I
Fig.2 Collector-emitter saturation
voltage vs. collector current
Unit
V
V
V
mA
1
∗
mW
2
∗
°C
V
V
V
µA
µA
V
−
MHz
kΩ
−50m−100
C=−50µA
I
C=−1mA
I
I
E=−50µA
CB=−50V
V
V
EB=−4V
C/IB=−5mA/−2.5mA
I
CE=−5V, IC=−1mA
V
−
−
−
−0.5
−0.5
−0.3
600
− VCE=10mA, IE=−5mA, f=100MHz
6.11
lC/lB=20
25°C
−40°C
−10m
−20m
C
(A)
∗
−
Rev.B 2/2
Appendix
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
Notes
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1
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