
3 Volt, Low Noise High fT Silicon Transistor 
Specification Subject to Change Without Notice 
M-Pulse Microwave____________________________________________________________________________________          
2
576 Charcot Avemue, San Jose, California 95131 
 Tel (408) 432-1480                           Fax (408)) 432-3440 
MP4T6310 Series
Electrical Specifications at 25
°
C 
Symbol 
Parameters 
Test 
Conditions 
V
CE
 = 3V 
I
C
 = 6 mA 
V
CE
 = 3V 
I
C
 = 4 mA 
f = 1 GHz 
f = 2 GHz 
V
CE
 = 3V 
I
C
 = 0.5 mA 
I
C
 = 1 mA 
f = 1 GHz 
V
CE
 = 3V 
I
C
 = 4 mA 
f = 1 GHz 
f = 2 GHz 
V
CE
 = 3V 
I
C
 = 4 mA 
f = 2 GHz 
V
CE
 = 3V 
I
C
 = 8 mA 
f = 1 GHz 
Junction/ 
Ambient  
Units 
MP4T631000 
Chip 
14 typ. 
MP4T631033 
SOT-23 
12 typ. 
MP4T631035 
Micro-X 
14 typ. 
MP4T631039 
SOT-143 
12 typ. 
fT 
Gain Bandwidth 
Product 
Insertion Power 
Gain 
GHz 
|S
21E
|
2
dB 
12 typ. 
8 typ. 
1.5 typ. 
11 typ. 
7 typ. 
1.5 typ. 
12 typ. 
8 typ. 
1.5 typ. 
11 typ. 
7 typ. 
1.5 typ. 
NF 
Noise Figure 
dB 
GTU (max) 
Unilateral Gain 
dB 
14.5 typ. 
9 typ. 
10 typ. 
1.5 typ. 
75 max
1
13 typ. 
8 typ. 
10 typ. 
1.5 typ. 
700 typ.
2
14.5 typ. 
9 typ. 
10 typ. 
1.5 typ. 
600 typ.
2
13 typ. 
8 typ. 
10 typ. 
1.5 typ. 
700 typ.
2
MAG 
Maximum 
Available Gain 
dB 
P
1dB
Power Out at 1dB 
Compression 
dBm 
R
TH (J-A)
Thermal 
Resistance 
°
C/W 
1. Junction/Heat Sink R
TH
 (J-C) 
2. Free Air
Maximum Ratings at 25
°
C 
Parameter 
Collector Base Voltage 
Collector-Emitter Voltage 
Emitter-Base Voltage 
Collector Current 
Junction Temperature 
Storage Temperature 
Chips or Ceramic Packages 
Plastic Packages 
Power Dissiapation 
Symbol 
V
CBO
V
CEO
V
EBO
I
C
T
j
T
STG
P
D
Maximum Rating 
8 V 
6 V 
1.5 V 
10 mA 
200
°
C 
-65
°
C to +200
°
C 
-65
°
C to +125
°
C 
-60mW
1
1. See Typical Performance Curves for power derating. 
Electrical Specifications at 25
°
C 
Parameters 
Collector Cut-off Current 
Conditions 
V
CB
 = 3 V 
I
E
 = 0 
V
EB
 = 1 V 
I
C
 = 0 
V
CE
 = 3 V 
I
C
 = 3 mA 
V
CB
 = 3 V 
I
E
 = 0 
f = 1 MHz 
Symbol 
I
CBO
Min. 
Typ. 
Max. 
100 
Units 
nA 
Emitter Cut-off Current 
I
EBO
1 
μ
A 
Forward Current Gain 
h
FE
20 
100 
200 
Collector Base 
Junction Capacitance 
C
OB
0.42 
0.55 
pF