Features
Applications
■ Size: 8 mm diameter, 10 mm length
■ Telecommunications electronics
■ Industrial electronics
■ Consumer electronics
■ Balanced and symmetrical TRIGARD®
design
■ High surge current rating
■ Stable breakdown throughout life
■ Long life
■ Fail-Short available
■ RoHS compliant*
2028 Series Long Life Heavy-Duty 3-Electrode Gas Discharge Tube
Characteristics
Test Methods per ITU-T (CCITT) K.12 Class 3 and IEC 61643-311.
Model No.
Characteristic
2028-23
2028-25
2028-35
2028-42
DC Sparkover 2ꢀ ꢁ ꢂ 1ꢀꢀ ꢃVs
23ꢀ ꢃ
25ꢀ ꢃ
35ꢀ ꢃ
42ꢀ ꢃ
Impulse Sparkover
1ꢀꢀ ꢃVµs (TypicalV99 ꢁ)
1ꢀꢀꢀ ꢃVµs (TypicalV99 ꢁ)
< 45ꢀ ꢃV55ꢀ ꢃ
< 65ꢀ ꢃV75ꢀ ꢃ
< 45ꢀ ꢃV55ꢀ ꢃ
< 65ꢀ ꢃV75ꢀ ꢃ
< 7ꢀꢀ ꢃV8ꢀꢀ ꢃ
< 85ꢀ ꢃV95ꢀ ꢃ
< 85ꢀ ꢃV95ꢀ ꢃ
< 1ꢀ5ꢀ ꢃV115ꢀ ꢃ
Impulse Transverse Delay............................... 1ꢀꢀꢀ ꢃVµs..........................................................< 75 ns
Insulation Resistance (IR) ............................... 1ꢀꢀ ꢃ ................................................................> 1 GΩ
Capacitance..................................................... 1 MHz ...............................................................< 2 pF
Glow ꢃoltage ................................................... 1ꢀ mA................................................................~ 7ꢀ ꢃ
Arc ꢃoltage...................................................... 1 A.....................................................................~ 1ꢀ ꢃ
1
DC Holdover ꢃoltage .................................... 135 ꢃ ................................................................< 15ꢀ ms
2
Impulse Discharge Current ........................... 3ꢀ,ꢀꢀꢀ A, 8V2ꢀ µs.............................................. 1 operation
2ꢀ,ꢀꢀꢀ A, 8V2ꢀ µs.............................................. 1ꢀ operations
5,ꢀꢀꢀ A, 1ꢀV35ꢀ µs............................................ 1 operation
2ꢀꢀ A, 1ꢀV1ꢀꢀꢀ µs............................................. 3ꢀꢀ operations
2ꢀ A, 1ꢀV1ꢀꢀꢀ µs............................................... 15ꢀꢀ operations
Alternating Discharge Current......................... 2ꢀ Arms, 1 second............................................ 1ꢀ operations
Operating Temperature............................................................................................................... -55 to +85 °C
Climatic Category (IEC 6ꢀꢀ68-1)................................................................................................ 4ꢀ V 9ꢀ V 21
Notes:
1
2
Network applied.
®
The Rated Impulse Discharge Current for TRIGARD Gas Discharge Tubes is the total current equally divided between each line
to ground.
• At delivery AQL ꢀ.65 Level II, DIN ISO 2859.
How to Order
Bulk Packaging Specifications
2028 - nn - x n F LF
2ꢀ28-xx-ALF................... 25ꢀ pcs. per tray
2ꢀ28-xx-CLF..................... 5ꢀ pcs. per tray
2ꢀ28-xx-C2LF................. 1ꢀꢀ pcs. per tray
2ꢀ28-xx-C2FLF............... 1ꢀꢀ pcs. per tray
Model Number
Designator
ꢃoltage (Divided by 1ꢀ)
23 = 23ꢀ ꢃ 35 = 35ꢀ ꢃ
25 = 25ꢀ ꢃ 42 = 42ꢀ ꢃ
Asia-Pacific:
Tel: +886-2 2562-4117
Fax: +886-2 2562-4116
Leads
A = No Leads V
Cassette Applications
C = 1.ꢀ mm
Europe:
Tel: +41-41 768 5555
Fax: +41-41 768 5510
Lead Shape
(See Product Dimension Drawings)
The Americas:
Fail-Short Option
Tel: +1-951 781-5500
Fax: +1-951 781-5700
Blank = Standard Product
F = With Fail-Short Mechanism
RoHS Compliancy
www.bourns.com
LF = RoHS Compliant Product
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
5秒后页面跳转
资料手册解读：UC3842参数和管脚说明
一文带你了解无源晶振的负载电容为何要加两颗谐振电容CL1和CL2
玻璃管保险丝与陶瓷管保险丝：区别与替代性探讨
PCF8574资料解读：主要参数分析、引脚说明
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
