Features
Applications
■ Formerly a
product
■ Street lighting
■ High insulation resistance
■ Medical devices (low/medium risk)**
■ Quick response, long service life
■ Air conditioning
■ Available DC breakdown range:
■ Power supplies
2.4 kV to 7.2 kV
■ Wide operating temperature range
■ RoHS compliant*
■ Projectors
■ Welders
SA2 Series High Voltage Gas Discharge Tube
Description
Agency Recognition
Additional Information
Click these links for more information:
®
Bourns SA2 Series two-electrode High
Voltage Gas Discharge Tube devices are
designed for high isolation applications.
The series offers high insulation resistance
over a wide temperature range and is
offered with DC breakdowns from 2.4 kV
to 7.2 kV. Other customized voltages
between 2 kV and 7.2 kV are available
upon request.
Agency
UL
Category
Agency
File No.
UL 1449
E313168
PRODUCT TECHNICAL INVENTORY SAMPLES
SELECTOR LIBRARY
CONTACT
Electrical Characteristics
Device Specifications
DC Breakdown Voltage
@ 500 V/s
Part No.
Min.
Typ.
Max.
Tol.
SA2-2400-Dxx-STD 2040 2400 2880 -15 % to +20 %
SA2-2400-Cxx-STD 1920 2400 2880 -20 % to +20 %
SA2-3000-Dxx-STD 2550 3000 3600 -15 % to +20 %
SA2-3000-Cxx-STD 2400 3000 3600 -20 % to +20 %
SA2-3600-Dxx-STD 3060 3600 4320 -15 % to +20 %
SA2-3600-Cxx-STD 2880 3600 4320 -20 % to +20 %
SA2-4000-Dxx-STD 3400 4000 4800 -15 % to +20 %
SA2-4000-Cxx-STD 3200 4000 4800 -20 % to +20 %
SA2-5500-Dxx-STD 4675 5500 6600 -15 % to +20 %
SA2-5500-Cxx-STD 4400 5500 6600 -20 % to +20 %
SA2-5900-Dxx-STD 5015 5900 7080 -15 % to +20 %
SA2-5900-Cxx-STD 4720 5900 7080 -20 % to +20 %
SA2-6000-Dxx-STD 5100 6000 7200 -15 % to +20 %
SA2-6000-Cxx-STD 4800 6000 7200 -20 % to +20 %
SA2-6200-Dxx-STD 5270 6200 7440 -15 % to +20 %
SA2-6200-Cxx-STD 4960 6200 7440 -20 % to +20 %
SA2-6300-Dxx-STD 5355 6300 7560 -15 % to +20 %
SA2-6300-Cxx-STD 5040 6300 7560 -20 % to +20 %
SA2-7200-Dxx-STD 6120 7200 8640 -15 % to +20 %
SA2-7200-Cxx-STD 5760 7200 8640 -20 % to +20 %
Life Ratings
Arc
Voltage
@ 5A
min.
Capacitance
@ 1 MHz
Nominal Impulse
Discharge
Typ.
Max.
1
10
Operation Operations
Nom.
DC
Breakdown
After
Life
Impulse
Breakdown
Ramp
Insulation
Resistance
@ 250 Vdc
Max.
Typ.
Min.
3800 V
@1
kV/μs
>2.0 kV
>1.9 kV
4500 V
@7.5
kV/μs
>2.4 kV
>2.3 kV
5400 V
@7.5
kV/μs
>3.0 kV
>2.8 kV
6000 V
@7.5
kV/μs
>3.3 kV
>3.1 kV
8000 V
@7.5
kV/μs
8000 V
@7.5
kV/μs
8000 V
@7.5
kV/μs
8000 V
@7.5
kV/μs
>5.2 kV
>4.9 kV
9200 V
@7.5
kV/μs
10000 V
@1
kV/μs
>5.3 kV
>5.0 kV
>6.3 kV
>6.0 kV
10 G Ohm
20 V
1 pF
10 kA,
8/20 μs
5 kA,
8/20 μs,
±5
operations
in each
polarity
>4.4 kV
>4.2 kV
>4.9 kV
>4.6 kV
>5.0 kV
>4.7 kV
Note: Model SA2-7200 specification is based on the customer providing sufficient encapsulation/working environment for the component
to avoid outside surface breakdown (e.g., non-contaminated equivalent surface in RH 40 % reaches breakdown at 10-12 kV).
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
** Bourns® products have not been designed for and are not intended for use in “lifesaving,” “life-critical” or “life-sustaining” applications nor any other applications where failure or
malfunction of the Bourns® product may result in personal injury or death. See Legal Disclaimer Notice http://www.bourns.com/docs/legal/disclaimer.pdf.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SA2 Series High Voltage Gas Discharge Tube
Product Characteristics
Operating Temperature Range .................................................................................................................................................... -40 °C to +125 °C
Storage Temperature Range ....................................................................................................................................................... -65 °C to +125 °C
Device Plating............................................................................................................................................................................................ Matte-Sn
Moisture Sensitivity Level .......................................................................................................................................................................................1
ESD Classification (HBM).......................................................................................................................................................................................6
Environmental Characteristics
Section
Category
IEC 60068-2-13 test M
Operational
IEC 60068-2-1, test Ab
Test
Condition
Low Air Pressure
Temp. +55 °C, Time 0.5 Sec., Pressure 600 hPa
Cold
-40 °C, 96 Hours
IEC 60068-2-2, test Bb
Dry Heat
+100 °C, 96 Hours
IEC 60068-2-30, test Ca
Damp Heat, Steady State
+40 °C, 93 % RH, 21 Days
Rapid Change in Temperature
Upper Temp. +100 ° C, Lower Temp. -40 °C, 5 Cycles
Vibration
10-55 Hz, 30 Min. per Axis, Double Amplitude 0.70 Min.
IEC 60068-2-14, test Na
IEC 60068-2-6, test Fc
IEC 60068-2-27, test Ea
NonOperational
IEC 60068-2-20, test Ta
Shock Test
30 g, 11 ms, Half Sine Pulse
Solderability
Method 1, +235 °C, 2 Sec., Aging
IEC 60068-2-20, test Tb
Resistance to Soldering Heat
Method 1A, +260 °C, 5 Sec.
IEC 60068-2-21
Robustness of Terminations
Ua1 (Tensile), Ua2 (Thrust), Ub (Bending) and Uc (Torsion)
How to Order
Typical Part Marking
SA 2 - nnnn - x x x - STD
....................................
SA2-xxxxxxxx
Series Designator
No. of Electrodes
2 = 2 Electrodes
Breakdown Voltage
2400 = 2400 V
3000 = 3000 V
3600 = 3600 V
4000 = 4000 V
5500 = 5500 V
5900 = 5900 V
6000 = 6000 V
6200 = 6200 V
6300 = 6300 V
7200 = 7200 V
Tolerance
C = -20 % to +20 %
D = -15 % to +20 %
Lead Shape
B = Bent Leads*
C = No Leads*
K = Bent Leads with Kinks*
K1 = Bent Leads with Kinks*
L = Straight Leads**
Packaging
B = Bulk
T = Tape & Reel
Standard or Modified Product Indicator
STD = Standard
* Available in bulk packaging only.
** Bulk packaging available for straight lead devices ≤3600 V. Devices >3600 V available in tape and
reel only.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SA2 Series High Voltage Gas Discharge Tube
Product Dimensions
SA2-xxxx-xLx
SA2-xxxx-xKx
8.5 +0.1/-0.3
(.335 +.004/-.012)
DIA.
CERAMIC INSULATOR
METAL ELECTRODE
18.0 ± 0.5
(.709 ± .020)
8.9 ± 0.4
(.350 ± .016)
CERAMIC INSULATOR
METAL ELECTRODES
TINNED LEADS
1.0 ± 0.1
(.039 ± .004)
DIA.
8.9 ± 0.4
(.350 ± .016)
60.0 - 85.0
(2.362 - 3.346)
TINNED LEADS
14.2 ± 0.5
(.559 ± .020)
REF.
9.9
(.390)
4.3 ± 0.5
(.169 ± .020)
SA2-xxxx-xCx
1.0 ± 0.1
(.039 ± .004)
DIA.
15.0 ± 0.5
(.591 ± .020)
SA2-xxxx-xK1x
8.5 +0.1/-0.3
(.335 +.004/-.012)
DIA.
CERAMIC INSULATOR
8.5 +0.1/-0.3
(.335 +.004/-.012)
DIA.
17.2 ± 0.1
(.677 ± .004)
METAL ELECTRODE
8.9 ± 0.4
(.350 ± .016)
CERAMIC INSULATOR
METAL ELECTRODES
TINNED LEADS
8.9 ± 0.4
(.350 ± .016)
7.0 ± 1.0
(.276 ± .039)
8.5 +0.1/-0.3
(.335 +.004/-.012)
DIA.
SA2-xxxx-xBx
16.0 ± 1.0
(.630 ± .039)
8.9 ± 0.4
(.350 ± .016)
CERAMIC INSULATOR
8.5 +0.1/-0.3
(.335 +.004/-.012)
DIA.
METAL ELECTRODES
TINNED LEADS
15.0 ± 0.5
(.591 ± .020)
7.5 ± 0.5
(.295 ± .020)
3.6 ± 0.5
(.142 ± .020)
1.0 ± 0.1
(.039 ± .004)
DIA.
1.0 ± 0.1
(.039 ± .004)
DIA.
12.5 ± 0.5
(.492 ± .020)
DIMENSIONS:
MM
(INCHES)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SA2 Series High Voltage Gas Discharge Tube
Packaging Specifications
Model SA2-xxxx-xxB ships standard bulk pack, 1,000 pcs./bag*.
The optional tape and reel packaging contains 1,000 pcs./reel for Model SA2-xxxx-xLT.
* Straight leads versions >3600 V available in bulk or tape and reel packaging; all other models available in bulk packaging only.
SA2-xxxx-xLT
14.0 +1.0/-0.0
(.551 +.039/-.00)
DIA.
10.0 ± 1.0
(.394 ± .039)
SPACING
90.0 ± 2.0
(3.543 ± .079)
6.2 ± 1.0
(.244 ± .039)
356.0 ± 2.0
(14.016 ± .079)
DIA.
90.0 ± 2.0
(3.543 ± .079)
85.0 ± 2.0
(3.346 ± .079)
DIMENSIONS:
MM
(INCHES)
105.0
(4.134)
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
REV. C 05/21
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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