*R
oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
■
8 mm diameter, 6 mm long
■
UL Recognized
■
Custom configurations available
■
High surge current rating
■
Stable breakdown throughout life
■
RoHS compliant* versions available
Applications
■
Telecommunications
■
Industrial electronics
■
Commercial electronics
■
Consumer electronics
■
Aircraft and military electronics
2027 Series - 2-Pole Gas Discharge Tube
Characteristics
Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards.
Model No.
2027-20
200 V
400 V
600 V
Characteristic
DC Sparkover ±15 %
(±20 % for Models 2027-07 & 2027-09) @ 100 V/s
Impulse Sparkover
(1)
100 V/μs
1000 V/μs
Characteristic
DC Sparkover ±15 % @ 100 V/s
Impulse Sparkover
(1)
100 V/μs
1000 V/μs
(1)
2027-07
75 V
300 V
500 V
2027-09
90 V
300 V
500 V
2027-15
150 V
350 V
575 V
2027-23
230 V
450 V
675 V
2027-25
250 V
475 V
700 V
2027-30
300 V
550 V
800 V
2027-35
350 V
600 V
875 V
Model No.
2027-40
2027-42
400 V
420 V
650 V
925 V
675 V
950 V
2027-47
470 V
725 V
1000 V
2027-60
600 V
850 V
1100 V
Impulse Sparkover voltage is defined as typical values of distribution.
Insulation Resistance .........................100 V (50 V for Models 2027-07 and 2027–09) ..................... > 10
10
Ω
Glow Voltage ......................................10 mA ..................................................................................... ~ 70 V
Arc Voltage .........................................> 1A ........................................................................................ ~ 10 V
Glow-Arc Transition Current ............................................................................................................... < 0.5 A
Capacitance........................................1 MHz ..................................................................................... < 1 pF
DC Holdover Voltage
(2)
......................135 V, (52 V for Models 2027-07 and 2027-09,
80 V for Model 2027-15) ........................................................ < 150 ms
Impulse Discharge Current .................25000 A, 8/20
μs
(3)
................................................................. 1 operation minimum
10000 A, 8/20
μs
.................................................................... > 10 operations
2500 A, 10/350
μs
.................................................................. 2 operations
500 A, 10/1000
μs
................................................................. > 400 operations
100 A, 10/1000
μs
or 10/700
μs
............................................. > 1000 operations
Alternating Discharge Current ............65 Arms, 11 cycles
(3)
.............................................................. 1 operation minimum
10 Arms, 1 s ........................................................................... > 10 operations
Operating Temperature....................................................................................................................... -55 to +125 °C
Climatic Category (IEC 60068-1)........................................................................................................ 40/90/21
Moisture Sensitivity Level .................................................................................................................. 1
ESD Classification (HBM) .................................................................................................................. 6
Notes:
• UL recognized component, UL File E153537.
• Model number marking on tube: 27-xxxV.
• Sparkover limits ±20 % after life, IR >10
8
Ω
(-25 %, +30 % for Models 2027-07, 2027–09 and 2027–60).
• At delivery AQL 0.65 Level II, DIN ISO 2859.
(2)
(3)
Network applied.
DC Sparkover may exceed ±20 % after discharge, but will continue to protect without venting.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
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.
2027 Series - 2-Pole Gas Discharge Tube
Product Dimensions
2027-XX-A
DIA.
2.5 ± 0.25
(.098 ± .010)
6.0 ± 0.3
(.236 ± .012)
2027-XX-B — 0.8 ± .04 mm (0.032 ± 0.002 in.) dia. lead wire
2027-XX-C — 1.0 ± .04 mm (0.039 ± 0.002 in.) dia. lead wire
66.0 ± 0.3
MIN.
(2.60 ± 0.012)
8.0 ± 0.4
DIA.
(.314 ± .016)
30.5 ± 0.4
LONG
(1.20 ± .016)
2 PLCS.
2027-XX-B19 — 0.8 ± 0.04 mm (0.032 ± 0.002 in.) dia. lead wire
(Not available in reelpack)
16.8 ± 0.4
(.661 ± .016)
2027-XX-B10 — 0.8 ± .04 mm (0.032 ± 0.002 in.) dia. lead wire
2027-XX-C10 — 1.0 ± .04 mm (0.039 ± 0.002 in.) dia. lead wire
(Not available in reelpack)
12.7 ± 0.3
(.500 ± .012)
6.4 ± 0.4
(.252 ± .016)
14.0 ± 0.4
(.551 ± .016)
DIMENSIONS:
MM
(INCHES)
1.5 ± 0.3
(.059 ± .012)
2.0 ± 0.3
(.079 ± .012)
8.1 ± 0.3
(.319 ± .012)
12.7 ± 0.5
(.500 ± .020)
Packaging Specifications
Model
2027-XX-A
2027-XX-B
2027-XX-C
2027-XX-B10
2027-XX-C10
2027-XX-B19
2027-XX-C19
2027-XX-BT1
2027-XX-CT1
Standard Packaging Quantity
Bulk (Bag)
Tray
Box
Reel
250
1000
100
500
100
500
100
1000
100
1000
100
500
100
500
1000
1000
How to Order
2027 - xx - x nn T1 LF
Model Number Designator
Voltage (Divided by 10)
07 = 75 V
30 = 300 V
09 = 90 V
35 = 350 V
15 = 150 V
40 = 400 V
20 = 200 V
42 = 420 V
23 = 230 V
47 = 470 V
25 = 250 V
60 = 600 V
Leads
A = None
B = 0.8 mm
C = 1 mm
Lead Shape
(See Product Dimension Drawings)
Packaging
Blank = Bulk Packaging (Standard)
T1 =
Reelpack (Optional - not available for Models 2027-xx-B19
and 2027-xx-B10/C10)
RoHS Compliant Option
Blank = Standard Product
LF = RoHS Compliant Product
2027-XX-BT1 — 0.8 ± 0.04 mm (0.032 ± 0.002 in.) dia. lead wire
Reel is 14-inches in diameter and 2.75-inches wide.
52.0
MIN.
(2.047)
10.0 ± 0.5
(0.4 ± .020)
REV. 09/19
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
Unless otherwise expressly indicated in writing, Bourns
®
products and data sheets relating thereto are subject to change
and complete before placing orders for Bourns
®
products.
The characteristics and parameters of a Bourns
®
product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns
®
®
product with other components
the actual performance of the Bourns
®
®
®
product as meeting the requirements of a particular industry
®
of Bourns products are responsible for ensuring compliance with safety-related requirements and standards applicable to
®
Bourns
®
on a case-by-case basis, use of any Bourns
®
®
®
®
®
Bourns
®
®
standard products that are suitable for use in aircraft
®
standard
the user’s sole risk.
®
and the user for which such Bourns
®
®
custom products shall be negotiated on a case-by-case basis by Bourns
®
also apply to such Bourns custom products.
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Bourns
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products and Bourns technology and technical data may not under any circumstance be
exported or re-exported to countries subject to international sanctions or embargoes. Bourns
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