CMXT3946
SURFACE MOUNT
DUAL COMPLEMENTARY
SILICON TRANSISTORS
w w w. c e n t r a l s e m i . c o m
DESCRIPTION:
The CENTRAL SEMICONDUCTOR CMXT3946 type is
a dual complementary silicon transistor manufactured
by the epitaxial planar process, epoxy molded in a
surface mount package, and designed for small signal
general purpose and switching applications.
MARKING CODE: X46
SOT-26 CASE
MAXIMUM RATINGS: (TA=25°C)
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Continuous Collector Current
Power Dissipation
Operating and Storage Junction Temperature
Thermal Resistance
SYMBOL
VCBO
VCEO
VEBO
IC
PD
TJ, Tstg
ΘJA
NPN
60
40
6.0
PNP
40
40
5.0
200
350
-65 to +150
357
ELECTRICAL CHARACTERISTICS PER TRANSISTOR: (TA=25°C unless otherwise noted)
NPN
PNP
SYMBOL
TEST CONDITIONS
MIN
MAX
MIN MAX
ICEV
VCE=30V, VEB=3.0V
50
50
BVCBO
IC=10μA
60
40
BVCEO
IC=1.0mA
40
40
BVEBO
IE=10μA
6.0
5.0
VCE(SAT)
IC=10mA, IB=1.0mA
0.20
0.25
VCE(SAT)
IC=50mA, IB=5.0mA
0.30
0.40
VBE(SAT)
IC=10mA, IB=1.0mA
0.65
0.85
0.65 0.85
VBE(SAT)
IC=50mA, IB=5.0mA
0.95
0.95
hFE
VCE=1.0V, IC=0.1mA
40
60
hFE
VCE=1.0V, IC=1.0mA
70
80
100
300
100
300
hFE
VCE=1.0V, IC=10mA
hFE
VCE=1.0V, IC=50mA
60
60
hFE
VCE=1.0V, IC=100mA
30
30
fT
VCE=20V, IC=10mA, f=100MHz
300
250
Cob
VCB=5.0V, IE=0, f=1.0MHz
4.0
4.5
Cib
VBE=0.5V, IC=0, f=1.0MHz
12
12
hie
VCE=10V, IC=1.0mA, f=1.0kHz
1.0
10
2.0
12
hre
VCE=10V, IC=1.0mA, f=1.0kHz
0.5
8.0
0.1
10
UNITS
V
V
V
mA
mW
°C
°C/W
UNITS
nA
V
V
V
V
V
V
V
MHz
pF
pF
kΩ
x10-4
R4 (16-March 2020)
CMXT3946
SURFACE MOUNT
DUAL COMPLEMENTARY
SILICON TRANSISTORS
ELECTRICAL CHARACTERISTICS PER TRANSISTOR - Continued: (TA=25°C unless otherwise noted)
NPN
PNP
SYMBOL
TEST CONDITIONS
MIN
MAX
MIN MAX
UNITS
hfe
VCE=10V, IC=1.0mA, f=1.0kHz
100
400
100
400
hoe
VCE=10V, IC=1.0mA, f=1.0kHz
1.0
40
3.0
60
μS
NF
VCE=5.0V, IC=100μA, RS=1.0kΩ,
f=10Hz to 15.7kHz
5.0
4.0
dB
td
VCC=3.0V, VBE=0.5V, IC=10mA, IB1=1.0mA
35
35
ns
tr
VCC=3.0V, VBE=0.5V, IC=10mA, IB1=1.0mA
35
35
ns
ts
VCC=3.0V, IC=10mA, IB1=IB2=1.0mA
200
225
ns
tf
VCC=3.0V, IC=10mA, IB1=IB2=1.0mA
50
75
ns
SOT-26 CASE - MECHANICAL OUTLINE
LEAD CODE:
1) Emitter Q1
2) Base Q1
3) Collector Q2
4) Emitter Q2
5) Base Q2
6) Collector Q1
MARKING CODE: X46
R4 (16-March 2020)
w w w. c e n t r a l s e m i . c o m
OUTSTANDING SUPPORT AND SUPERIOR SERVICES
PRODUCT SUPPORT
Central’s operations team provides the highest level of support to insure product is delivered on-time.
• Supply management (Customer portals)
• Custom bar coding for shipments
• Inventory bonding
• Custom product packing
• Consolidated shipping options
DESIGNER SUPPORT/SERVICES
Central’s applications engineering team is ready to discuss your design challenges. Just ask.
• Free quick ship samples (2nd day air)
• Special wafer diffusions
• Online technical data and parametric search
• PbSn plating options
• SPICE models
• Package details
• Custom electrical curves
• Application notes
• Environmental regulation compliance
• Application and design sample kits
• Customer specific screening
• Custom product and package development
• Up-screening capabilities
REQUESTING PRODUCT PLATING
1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when
ordering (example: 2N2222A TIN/LEAD).
2. If requesting Lead (Pb) Free plated devices, add the suffix “ PBFREE” to the part number
when ordering (example: 2N2222A PBFREE).
CONTACT US
Corporate Headquarters & Customer Support Team
Central Semiconductor Corp.
145 Adams Avenue
Hauppauge, NY 11788 USA
Main Tel: (631) 435-1110
Main Fax: (631) 435-1824
Support Team Fax: (631) 435-3388
www.centralsemi.com
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www.centralsemi.com/wwreps
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www.centralsemi.com/wwdistributors
For the latest version of Central Semiconductor’s LIMITATIONS AND DAMAGES DISCLAIMER,
which is part of Central’s Standard Terms and Conditions of sale, visit: www.centralsemi.com/terms
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