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2N2944A

PNP SILICON SMALL SIGNAL TRANSISTOR



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2N2944A pdf
2N2944A – 2N2946A
Available on
commercial
versions
PNP Silicon Small Signal Transistor
Qualified per MIL-PRF-19500/382
DESCRIPTION
This 2N2944A through 2N2946A PNP silicon transistor device is military qualified up to a
JANTXV level for high-reliability applications. Microsemi also offers numerous other products
to meet higher and lower power voltage regulation applications.
Qualified Levels:
JAN, JANTX, and
JANTXV
Important: For the latest information, visit our website http://www.microsemi.com.
FEATURES
JEDEC registered 2N2944A thru 2N2946A series.
JAN, JANTX, and JANTXV qualifications per MIL-PRF-19500/382 available.
RoHS compliant versions available (commercial grade only).
APPLICATIONS / BENEFITS
Low profile metal can package.
ESD to Class 3 per MIL-STD-750, method 1020.
TO-46 (TO-206AB)
Package
Also available in:
UB package
(surface mount)
2N2944AUB – 2N2946AUB
MAXIMUM RATINGS @ +25 oC unless specified otherwise.
Parameters/Test Conditions
Junction and Storage Temperature
Thermal Resistance Junction-to-Ambient
Collector Current (dc)
Emitter to Base voltage (static),
2N2944A
collector open
2N2945A
2N2946A
Collector to Base voltage (static),
2N2944A
emitter open
2N2945A
2N2946A
Collector to Emitter voltage (static),
2N2944A
base open
2N2945A
2N2946A
Emitter to Collector voltage
2N2944A
2N2945A
2N2946A
Total Power Dissipation, all terminals @ TA = +25 oC (1)
Notes: 1. Derate linearly 2.30 mW /oC above TA = +25 oC.
Symbol
TJ and TSTG
R ӨJA
IC
V EBO
V CBO
V CEO
V ECO
PT
Value
-65 to +200
435
-100
-15
-25
-40
-15
-25
-40
-10
-20
-35
-10
-20
-35
400
Unit
oC
oC/W
mA
V
V
V
V
mW
T4-LDS-0236, Rev. 1 (11960)
©2011 Microsemi Corporation
MSC – Lawrence
6 Lake Street,
Lawrence, MA 01841
Tel: 1-800-446-1158 or
(978) 620-2600
Fax: (978) 689-0803
MSC – Ireland
Gort Road Business Park,
Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044
Fax: +353 (0) 65 6822298
Website:
www.microsemi.com
Page 1 of 5



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2N2944A pdf
2N2944A – 2N2946A
MECHANICAL and PACKAGING
CASE: Nickel plated kovar, glass seals.
TERMINALS: Gold plating over nickel, solder dipped, kovar.
MARKING: Part number, date code, manufacturer’s ID.
WEIGHT: 0.234 grams.
See Package Dimensions on last page.
Reliability Level
JAN = JAN Level
JANTX = JANTX Level
JANTXV = JANTXV Level
Blank = Commercial
JEDEC type number
(see Electrical Characteristics
table)
PART NOMENCLATURE
JAN 2N2944A (e3)
RoHS Compliance
e3 = RoHS Compliant (available
on commercial grade only)
Blank = non-RoHS Compliant
Symbol
IB
IE
V CB
V EB
V (BR)
SYMBOLS & DEFINITIONS
Definition
Base current (dc).
Emitter current (dc).
Collector to base voltage (dc).
Emitter to base voltage (dc).
Minimum Breakdown Voltage: The minimum voltage the device will exhibit at a specified current.
T4-LDS-0236, Rev. 1 (11960)
©2011 Microsemi Corporation
Page 2 of 5



Part Number 2N2944A
Description PNP SILICON SMALL SIGNAL TRANSISTOR
Maker Microsemi - Microsemi
Total Page 5 Pages
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