Datasheet

UNISONIC TECHNOLOGIES CO., LTD
ULB124
NPN SILICON TRANSISTOR
NPN EPITAXIAL PLANAR
TRANSISTOR
1

TO-126
DESCRIPTION
The UTC ULB124 is designed for high voltage, high speed
switching inductive circuits, and amplifier applications.

FEATURES
1
* High Speed Switching
* Low Saturation Voltage
* High Reliability
TO- 251
1

TO-220
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
ULB124L-xx-TA3-T
ULB124G-xx-TA3-T
ULB124L-xx-TM3-T
ULB124G-xx-TM3-T
ULB124L-xx-T60-K
ULB124G-xx-T60-K
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
Package
TO-220
TO-251
TO-126
Pin Assignment
1
2
3
B
C
E
B
C
E
B
C
E
Packing
Tube
Tube
Bulk
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ULB124

NPN SILICON TRANSISTOR
ABSOLUTE MAXIMUM RATING (TA=25°C)
PARAMETER
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
RATINGS
UNIT
600
V
400
V
8
V
DC
2
A
Collector Current
IC
Pulse
4
A
DC
1
A
Base Current
IB
Pulse
2
A
TO-220
35
Power Dissipation (TC=25°C)
TO-251
PD
20
W
TO-126
1.4
Junction Temperature
TJ
150
°C
Storage Temperature
TSTG
-40 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.

SYMBOL
VCBO
VCEO
VEBO
ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified.)
PARAMETER
OFF CHARACTERISTICS
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cutoff Current
Emitter Cutoff Current
ON CHARACTERISTICS
SYMBOL
BVCBO
BVCEO
BVEBO
ICBO
IEBO
hFE1
hFE2
hFE3
DC Current Gain(Note)
Collector-Emitter Saturation Voltage (Note) VCE(SAT)
Base-Emitter Saturation Voltage (Note)
VBE(SAT)
TEST CONDITIONS
IC=1mA
IC=10mA
IE=1mA
VCB=600V
VEB=9V, IC=0
600
400
8
VCE= 5V, IC=0.3A
VCE= 5V, IC=0.5A
VCE= 5V, IC=1A
IC=0.1A, IB=10mA
IC=0.3A, IB=30mA
IC=0.1A, IB=10mA
IC=0.3A, IB=30mA
10
10
6
SWITCHING CHARACTERISTICS
Gain-Bandwidth Product
fT
VCE=10V, IC=0.3A, f=1MHz
Note: Pulse Test : Pulse Width≤380µs, Duty Cycle≤2%

MIN
TYP
MAX
UNIT
10
10
V
V
V
µA
µA
40
0.3
0.8
0.9
1.2
15
V
V
V
V
MHz
CLASSIFICATION OF hFE1
RANK
Range
B1
10 ~ 17
B2
13 ~ 22
B3
18 ~ 27
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
B4
23 ~ 32
B5
28 ~ 37
B6
33 ~ 40
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
NPN SILICON TRANSISTOR
TYPICAL CHARACTERISTICS
Saturation Voltage vs. Collector Current
10000
On Voltage vs. Collector Current
1000
VCE = 5V
1000
100
VBE(SAT) @IC = 10IB
1
1000
10
100
Collector Current, IC (mA)
10000
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
100
1
1000 10000
10
100
Collector Current (mA)
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ULB124

NPN SILICON TRANSISTOR
TYPICAL CHARACTERISTICS(Cont.)
UTC 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 UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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