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SA22CA-B

Description
500 W, BIDIRECTIONAL, SILICON, TVS DIODE, DO-15
CategoryDiscrete semiconductor    diode   
File Size1MB,6 Pages
ManufacturerLittelfuse
Websitehttp://www.littelfuse.com
Environmental Compliance
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SA22CA-B Overview

500 W, BIDIRECTIONAL, SILICON, TVS DIODE, DO-15

SA22CA-B Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerLittelfuse
Parts packaging codeDO-15
package instructionO-PALF-W2
Contacts2
Reach Compliance Code_compli
ECCN codeEAR99
Other featuresUL RECOGNIZED
Maximum breakdown voltage26.9 V
Minimum breakdown voltage24.4 V
Breakdown voltage nominal value25.65 V
Shell connectionISOLATED
Maximum clamping voltage35.5 V
ConfigurationSINGLE
Diode component materialsSILICON
Diode typeTRANS VOLTAGE SUPPRESSOR DIODE
JEDEC-95 codeDO-204AC
JESD-30 codeO-PALF-W2
JESD-609 codee3
Humidity sensitivity level1
Maximum non-repetitive peak reverse power dissipation500 W
Number of components1
Number of terminals2
Maximum operating temperature175 °C
Minimum operating temperature-55 °C
Package body materialPLASTIC/EPOXY
Package shapeROUND
Package formLONG FORM
Peak Reflow Temperature (Celsius)260
polarityBIDIRECTIONAL
Maximum power dissipation3 W
Certification statusNot Qualified
Maximum repetitive peak reverse voltage22 V
surface mountNO
technologyAVALANCHE
Terminal surfaceMatte Tin (Sn)
Terminal formWIRE
Terminal locationAXIAL
Maximum time at peak reflow temperature30
Transient Voltage Suppression Diodes
Axial Leaded – 500W > SA series
SA Series
Description
Bi-directional
RoHS
Pb
e3
The SA Series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Uni-directional
Features
• 500W peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• V
BR
@ T
J
= V
BR
@25°C
x (1+
α
T x (T
J
- 25))
(
α
T:Temperature
Coefficient, typical value
is 0.1%)
• Glass passivated chip
junction in DO-15 Package
• Fast response time:
typically less than 1.0ps
from 0 Volts to BV min
• Excellent clamping
capability
• Typical failure mode is
short from over-specified
voltage or current
• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
30kV(Air), 30kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
Applications
TVS devices are ideal for the protection of I/O interfaces,
V
CC
bus and other vulnerable circuits used in telecom,
computer, industrial and consumer electronic applications.
Additional Infomarion
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Low incremental surge
resistance
• Typical I
R
less than 1μA
when V
BR
max>13V
• High temperature
to reflow soldering
guaranteed: 260°C/40sec
/ 0.375”
,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
• Plastic package is
flammability rated V-0 per
Underwriters Laboratories
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
• Pb-free E3 means 2nd
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings and Thermal Characteristics
(T
A
=25
O
C unless otherwise noted)
Parameter
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1)
Steady State Power Dissipation on
Infinite Heat Sink at T
L
=75ºC
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
Maximum Instantaneous Forward
Voltage at 35A for Unidirectional
Only
Operating Junction and Storage
Temperature Range
Typical Thermal Resistance Junction
to Lead
Typical Thermal Resistance Junction
to Ambient
Symbol
P
PPM
P
D
I
FSM
V
F
T
J
, T
STG
R
θJL
R
θJA
Value
500
3.0
70
3.5
-65 to 175
20
75
Unit
W
W
A
V
°C
°C/W
°C/W
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above T
J
(initial) =25
O
C per Fig. 3.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
Functional Diagram
Bi-directional
Datasheet
Resources
Samples
Cathode
Uni-directional
Anode
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
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