DS31034 Rev. 6 - 2
1 of 2
MMBTH24
www.diodes.com
MMBTH24
NPN SURFACE MOUNT VHF/UHF TRANSISTOR
Designed for VHF/UHF Amplifier Applications
and High Output VHF Oscillators
High Current Gain Bandwidth Product
Ideal for Mixer and RF Amplifier Applications
with collector currents in the 100
mA - 30 mA
Range
Characteristic
Symbol
MMBTH24
Unit
Collector-Base Voltage
V
CBO
40
V
Collector-Emitter Voltage
V
CEO
40
V
Emitter-Base Voltage
V
EBO
4.0
V
Collector Current - Continuous (Note 1)
I
C
50
mA
Power Dissipation (Note 1)
P
d
300
mW
Thermal Resistance, Junction to Ambient (Note 1)
R
qJA
417
C/W
Operating and Storage and Temperature Range
T
j
, T
STG
-55 to +150
C
Features
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
A
E
J
L
TOP VIEW
M
B C
H
G
D
K
C
B
E
Mechanical Data
Case: SOT-23, Molded Plastic
Case material - UL Flammability Rating 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Terminals: Solderable per MIL-STD-202,
Method 208
Terminal Connections: See Diagram
Marking (See Page 2): K3Z
Ordering & Date Code Information: See Page 2
Weight: 0.008 grams (approx.)
Note:
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 test pulse used to minimize self-heating effect.
Electrical Characteristics
@ T
A
= 25
C unless otherwise specified
Characteristic
Symbol
Min
Max
Unit
Test Condition
OFF CHARACTERISTICS (Note 2)
Collector-Emitter Breakdown Voltage
V
(BR)CEO
40
V
I
C
= 1mA, I
B
= 0
Collector-Base Breakdown Voltage
V
(BR)CBO
40
V
I
C
= 100
mA, I
E
= 0
Emitter-Base Breakdown Voltage
V
(BR)EBO
4.0
V
I
E
= 10
mA, I
C
= 0
Collector Cutoff Current
I
CBO
100
nA
V
CB
= 30V, I
E
= 0
Emitter Cutoff Current
I
EBO
100
nA
V
EB
= 2V, I
C
= 0
ON CHARACTERISTICS (Note 2)
DC Current Gain
h
FE
30
I
C
= 8mA, V
CE
= 10.0V
Collector-Emitter Saturation Voltage
V
CE(SAT)
0.5
V
I
C
= 4mA, I
B
= 400
mA
Base- Emitter On Voltage
V
BE(SAT)
0.95
V
I
C
= 4mA, V
CE
= 10.0V
SMALL SIGNAL CHARACTERISTICS
Current-Gain-Bandwidth Product
f
T
400
MHz
V
CE
= 10V, f = 100MHz, I
C
= 8mA
Collector-Base Capacitance
C
CB
0.7
pF
V
CB
= 10V, f = 1.0MHz, I
E
= 0
Collector-Base Feedback Capacitiance
C
RB
0.65
pF
V
CB
= 10V, f = 1.0MHz, I
E
= 0
Collector-Base Time Constant
Rb'Cc
9
ps
I
C
= 4mA V
CB
= 10V, f =31.8MHz
SOT-23
Dim
Min
Max
A
0.37
0.51
B
1.20
1.40
C
2.30
2.50
D
0.89
1.03
E
0.45
0.60
G
1.78
2.05
H
2.80
3.00
J
0.013
0.10
K
0.903
1.10
L
0.45
0.61
M
0.085
0.180
a
0
8
All Dimensions in mm
E
B
C
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