MMBTA55 / MMBTA56
PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
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Features
•
•
•
•
•
Epitaxial Planar Die Construction
Complementary NPN Types Available (MMBTA05 /
MMBTA06)
Ideal for Low Power Amplification and Switching
Lead, Halogen and Antimony Free, RoHS Compliant
"Green" Device (Notes 3 and 4)
Qualified to AEC-Q101 Standards for High Reliability
A
C
B
B
E
TOP VIEW
SOT-23
Dim
C
Min
0.37
1.20
2.30
0.89
0.45
1.78
2.80
0.013
0.903
0.45
0.085
0°
Max
0.51
1.40
2.50
1.03
0.60
2.05
3.00
0.10
1.10
0.61
0.180
8°
A
B
C
D
E
G
H
J
K
E
D
G
H
K
J
L
Mechanical Data
•
•
•
•
•
•
•
•
•
Case: SOT-23
Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020d
Terminal Connections: See Diagram
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy
42 leadframe).
MMBTA55 Marking (See Page 3): K2H, K2G
MMBTA56 Marking (See Page 3): K2G
Ordering Information: See Page 3
Weight: 0.008 grams (approximate)
@T
A
= 25°C unless otherwise specified
M
C
L
M
α
All Dimensions in mm
B
E
•
Maximum Ratings
Characteristic
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current - Continuous (Note 1)
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage Temperature Range
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
d
R
θ
JA
T
j
, T
STG
MMBTA55
-60
-60
-4.0
-500
300
417
MMBTA56
-80
-80
Unit
V
V
V
mA
mW
°C/W
°C
-55 to +150
Electrical Characteristics
Characteristic
OFF CHARACTERISTICS (Note 2)
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cutoff Current
Collector Cutoff Current
ON CHARACTERISTICS (Note 2)
DC Current Gain
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
SMALL SIGNAL CHARACTERISTICS
Current Gain-Bandwidth Product
@T
A
= 25°C unless otherwise specified
Symbol
MMBTA55
MMBTA56
MMBTA55
MMBTA56
MMBTA55
MMBTA56
MMBTA55
MMBTA56
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
I
CBO
I
CEX
Min
-60
-80
-60
-80
-4.0
⎯
⎯
Max
⎯
⎯
⎯
-100
-100
Unit
V
V
V
nA
nA
Test Condition
I
C
= -100μA, I
E
= 0
I
C
= -1.0mA, I
B
= 0
I
E
= -100μA, I
C
= 0
V
CB
= -60V, I
E
= 0
V
CB
= -80V, I
E
= 0
V
CE
= -60V, I
BO
= 0V
V
CE
= -80V, I
BO
= 0V
I
C
= -10mA, V
CE
= -1.0V
I
C
= -100mA, V
CE
= -1.0V
I
C
= -100mA, I
B
= -10mA
I
C
= -100mA, V
CE
= -1.0V
V
CE
= -1.0V, I
C
= -100mA,
f = 100MHz
h
FE
V
CE(SAT)
V
BE(SAT)
f
T
100
⎯
⎯
50
⎯
-0.25
-1.2
⎯
⎯
V
V
MHz
Notes: 1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can
be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration pulse test used to minimize self-heating effect.
3. No purposefully added lead. Halogen and Antimony Free.
4. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date Code
V9 are built with Non-Green Molding Compound and may contain Halogens or Sb
2
O
3
Fire Retardants.
DS30054 Rev. 11 - 2
1 of 3
www.diodes.com
MMBTA55 / MMBTA56
© Diodes Incorporated
400
Note 1
350
P
D
, POWER DISSIPATION (mW)
300
250
200
150
100
50
0
0
25
50
75 100 125 150 175
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 1 Max Power Dissipation vs
Ambient Temperature
200
0.25
V
CE(SAT)
, COLLECTOR TO EMITTER
SATURATION VOLTAGE (V)
I
C
I
B
= 10
0.20
T
A
= 25°C
0.15
0.10
T
A
= 150°C
0.05
T
A
= -50°C
0
1
1,000
100
10
I
C
, COLLECTOR CURRENT (mA)
Fig. 2 Collector Emitter Saturation Voltage
vs. Collector Current
1,000
V
CE
= 5V
1.0
V
BE(ON)
, BASE EMITTER VOLTAGE (V)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.1
1
10
100
I
C
, COLLECTOR CURRENT (mA)
Fig. 4 Base Emitter Voltage vs. Collector Current
T
A
= 150°C
T
A
= -50°C
T
A
= 25°C
V
CE
= 5V
T
A
= 150°C
h
FE
, DC CURRENT GAIN
100
T
A
= 25°C
T
A
= -50°C
10
1
10
1,000
100
I
C
, COLLECTOR CURRENT (mA)
Fig. 3 DC Current Gain vs. Collector Current
100
f
T
, GAIN-BANDWIDTH PRODUCT (MHz)
V
CE
= 5V
10
1
10
100
I
C
, COLLECTOR CURRENT (mA)
Fig. 5 Gain-Bandwidth Product vs. Collector Current
1
DS30054 Rev. 11 - 2
2 of 3
www.diodes.com
MMBTA55 / MMBTA56
© Diodes Incorporated
Ordering Information
Device
MMBTA55-7-F
MMBTA56-7-F
Notes:
5.
(Note 5)
Packaging
SOT-23
SOT-23
Shipping
3000/Tape & Reel
3000/Tape & Reel
For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
K2x
K2x = Product Type Marking Code, ex: K2H = MMBTA55
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
Date Code Key
Year
Code
Month
Code
YM
1998
J
Jan
1
1999
K
Feb
2
2000
L
2001
M
Mar
3
2002
N
Apr
4
2003
P
May
5
2004
R
Jun
6
2005
S
2006
T
Jul
7
2007
U
Aug
8
2008
V
Sep
9
2009
W
Oct
O
2010
X
2011
Y
Nov
N
2012
Z
Dec
D
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
DS30054 Rev. 11 - 2
3 of 3
www.diodes.com
MMBTA55 / MMBTA56
© Diodes Incorporated
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