SPICE MODELS: MMDT3946
MMDT3946
Lead-free
COMPLEMENTARY NPN / PNP
SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
•
•
Complementary Pair
A
SOT-363
One 3904-Type NPN,
One 3906-Type PNP
C2
B1
E1
Dim
A
Min
0.10
1.15
2.00
Max
0.30
1.35
2.20
•
•
•
•
Epitaxial Planar Die Construction
C
B
Ideal for Low Power Amplification and Switching
Ultra-Small Surface Mount Package
Lead Free/RoHS Compliant (Note 3)
B
E2
B2
C1
C
G
H
D
0.65 Nominal
F
0.30
1.80
0.40
2.20
0.10
1.00
0.40
0.25
8°
K
M
Mechanical Data
H
J
J
•
•
Case: SOT-363
L
D
F
K
Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
0.90
0.25
0.10
0°
C2
B1
E1
L
•
•
•
Moisture Sensitivity: Level 1 per J-STD-020C
M
Terminals: Solderable per MIL-STD-202, Method 208
α
Lead Free Plating (Matte Tin Finish annealed over Alloy
42 leadframe).
E2
B2
C1
All Dimensions in mm
E1, B1, C1 = PNP3906 Section
E2, B2, C2 = NPN3904 Section
•
•
•
•
Terminal Connections: See Diagram
Marking (See Page 3): K46
Ordering & Date Code Information: See Page 3
Weight: 0.006 grams (approximate)
@ TA = 25°C unless otherwise specified
Maximum Ratings, NPN 3904 Section
Characteristic
Collector-Base Voltage
Symbol
VCBO
VCEO
VEBO
IC
NPN 3904 Section
Unit
V
60
40
Collector-Emitter Voltage
V
Emitter-Base Voltage
6.0
200
200
625
V
Collector Current - Continuous (Note 1)
Power Dissipation (Note 1, 2)
Thermal Resistance, Junction to Ambient (Note 1)
mA
mW
°C/W
Pd
RθJA
@ TA = 25°C unless otherwise specified
Maximum Ratings, PNP 3906 Section
Characteristic
Collector-Base Voltage
Symbol
VCBO
VCEO
VEBO
IC
PNP 3906 Section
Unit
V
-40
-40
Collector-Emitter Voltage
V
Emitter-Base Voltage
-5.0
-200
200
625
V
Collector Current - Continuous (Note 1)
Power Dissipation (Note 1, 2)
Thermal Resistance, Junction to Ambient (Note 1)
mA
mW
°C/W
Pd
RθJA
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. Maximum combined dissipation.
3. No purposefully added lead.
DS30123 Rev. 8 - 2
1 of 5
MMDT3946
www.diodes.com
Diodes Incorporated