SD24
Document number: DS40820 Rev. 1 - 2
1 of 5
www.diodes.com
January 2019
© Diodes Incorporated
SD24
ADVANCE INFO R MA T I O N
350W UNIDIRECTIONAL TVS DIODE
Product Summary
V
BR (Min)
I
PP (Max)
C
T (Max)
26.0V
8A
80pF
Description
This new generation TVS is designed to protect sensitive electronics
from the damage due to ESD. The combination of small size and high
ESD surge capability makes it ideal for use in portable applications
such as cellular phones, digital cameras, and MP3 players.
Applications
Cellular Handsets
Portable Electronics
Computers and Peripheral
Features
Provides ESD Protection per IEC 61000-4-2 Standard:
Air ±30kV, Contact ±30kV
Low Channel Input Capacitance
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Mechanical Data
Case: SOD323
Case Material: Molded Plastic, “Green” Molding Compound. UL
Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Matte Tin Finish Annealed over Alloy 42 Leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
Weight: 0.004 grams (Approximate)
Ordering Information (Note 4)
Part Number
Compliance
Marking
Reel Size (inches)
Tape Width (mm)
Quantity per Reel
SD24-7
Commercial
PA4
7
8
3,000/Tape & Reel
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for 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 https://www.diodes.com/design/support/packaging/diodes-packaging/.
Marking Information
Device Schematic
Top View
PA4 = Product Type Marking Code
Bar Denotes Pin 1
SOD323
SD24
Document number: DS40820 Rev. 1 - 2
2 of 5
www.diodes.com
January 2019
© Diodes Incorporated
SD24
ADVANC E INF O R MA TI O N
Maximum Ratings (@T
A
= +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Conditions
Peak Pulse Power
P
PP
350
W
8/20µs, per Figure 3
Peak Pulse Current
I
PP
8
A
8/20µs, per Figure 3
ESD Protection – Contact Discharge
V
ESD_CONTACT
±30
kV
IEC 61000-4-2 Standard
ESD Protection – Air Discharge
V
ESD_AIR
±30
kV
IEC 61000-4-2 Standard
Thermal Characteristics
Characteristic
Symbol
Value
Unit
Package Power Dissipation (Note 5)
P
D
250
mW
Thermal Resistance, Junction to Ambient (Note 5)
R
JA
500
C/W
Operating and Storage Temperature Range
T
J
, T
STG
-65 to +150
C
Electrical Characteristics (@T
A
= +25°C, unless otherwise specified.)
Characteristic
Symbol
Min
Typ
Max
Unit
Test Conditions
Reverse Standoff Voltage
V
RWM
—
—
24.0
V
—
Channel Leakage Current (Note 6)
I
RM
—
—
1
µA
V
R
= V
RWM
Breakdown Voltage
V
BR
26.0
—
—
V
I
R
= 1mA
Clamping Voltage
V
CL
—
—
34.0
V
I
PP
= 1A, t
p
= 8/20µs
—
—
40.0
I
PP
= 5A, t
p
= 8/20µs
—
—
44.0
I
PP
= 8A, t
p
= 8/20µs
Channel Input Capacitance
C
T
—
—
80
pF
V
R
= 0V, f = 1MHz
Notes: 5. Device mounted on FR-4 PCB pad layout (2oz copper) as shown on Diodes Incorporated’s suggested pad layout, which can be found on our website at
http://www.diodes.com/package-outlines.html.
6. Short duration pulse test used to minimize self-heating effect.
P , POWER DISSIPATION (mW)
D
T , AMBIENT TEMPERATURE (
癈
)
Figure 1 Power Derating Curve
A
25 50
75 100 125
150
0
175
0
25
50
75
100
125
150
175
200
225
250
Note 5
0
50
25 50
75 100 125
150
PEAK PULSE DERATING % OF
PEAK POWER OR CURRENT
T , AMBIENT TEMPERATURE (
癈
)
Figure 2 Pulse Derating Curve
A
0
100
25
75
175 200
(°C)
(°C)