Diodes PSMAJ440A User Manual
Psmaj440a new prod uc t, Features, Mechanical data
PSMAJ440A
Document number: DS36176 Rev. 2 - 2
1 of 4
February 2014
© Diodes Incorporated
PSMAJ440A
NEW PROD
UC
T
400W SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Features
•
400W Peak Pulse Power Dissipation
•
Excellent Clamping Capability
•
Fast Response Time
•
Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
•
Halogen and Antimony Free. “Green” Device (Note 3)
Mechanical Data
•
Case: SMA
•
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
•
Moisture Sensitivity: Level 1 per J-STD-020
•
Terminals: Lead Free Plating (Matte Tin Finish)
Solderable per MIL-STD-202, Method 208
•
Polarity Indicator: Cathode Band
•
Weight: 0.064 grams (approximate)
Ordering Information
(Note 4)
Part Number
Case
Packaging
PSMAJ440A-13
SMA
5000/Tape & Reel
Notes:
1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. All applicable RoHS exemptions applied.
2. S more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at
Marking Information
Maximum Ratings
(@T
A
= +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Peak Pulse Power Dissipation
(Non repetitive current pulse derated above T
A
= +25°C, T
P =
1ms)
(Note 5)
P
PK
400 W
Peak Forward Surge Current, 8.3ms Single Half Sine Wave
Superimposed on Rated Load (Note 6)
I
FSM
40 A
Steady State Power Dissipation @ T
L
= +120°C
PM
(AV)
1.0 W
Instantaneous Forward Voltage @ I
PP
= 25A (Note 6)
V
F
6.5 V
Notes:
5. Non-repetitive current pulse, per Fig. 4 and derated above T
A
= +25
°
C, per Fig.1.
6. Measured with 8.3ms single half sine-wave. Duty cycle = 4 pulses per minute maximum.
Top View
Bottom View
440A = Product type marking code
= Manufacturers’ code marking
YWW = Date code marking
Y = Last digit of year (ex: 2 for 2012)
WW = Week code (01 to 53)
e3
Green
YWW
440A