© Won-Top Electronics Co., Ltd. www.wontop.com
Revision: April, 2012 1
Pb
Features
Dual Diode Common Cathode L
Fast Switching A
Surface Mount Package Ideally Suited
for
A
utomatic Insertion
For General Purpose Switching Applicat
ions
B C
Plastic Material – UL Recognition Flamm
ability
C
lassification 94V-0 M
E D
H
Mechanical Data
Case: SOT-23, Molded Plastic K
Terminals: Plated Leads Solderable per J
MIL-STD-202, Method 208 G
Polarity: See Diagram
Weight: 0.008 grams (approx.)
Mountin
g Position: Any
Marking: Device Code, See Page
3
Lead Fre
e: For RoHS / Lead Free Ver s
ion,
Add “-LF”
Suffix to Part Number
, See Page 4
TOP VIEW
Maximum Ratings @T
A
=25°C unless otherwise specified
Characteristic
S
ymbol MMBD2837 MMBD2838
Unit
Non-Repetitive Peak Reverse Voltage VRSM 35 75 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
V
RWM
V
R
30 50 V
Forward Continuous Current IF 100 mA
Operating and Storage Temperature Range TJ, TSTG -55 to +150 °C
Thermal Characteristics
Charact
eristic
S
ymbol MMBD2837 MMBD2838
Unit
Power Dissipation (Note 1) PD 350 mW
Thermal Resistance, Junction to Ambient (Note 1) RθJA 357 °C/W
Note:
1. Mounted on FR-4 PC board with minimum recommended pad layout.
MMBD2837 & MMBD2838
SURFACE MOUNT FAST SWITCHING DIODE
WON-TOP ELECTRONICS
®
SOT-23
Dim Min Max
A 0.37 0.51
B 1.19 1.40
C 2.10 2.50
D 0.89 1.05
E 0.45 0.61
G 1.78 2.05
H 2.65 3.05
J 0.013 0.15
K 0.89 1.10
L 0.45 0.61
M 0.076 0.178
All Dimensions in mm