Features
■ Compact size: 6 mm diameter, 8 mm length
■ Low capacitance and insertion loss
■ Switch-Grade Fail-Short option available
■ RoHS compliant*
■ UL Recognized
Applications
■ Telecommunications equipment
■ Industrial equipment/electronics
■ Consumer electronics
Characteristics
2056 Series Light Duty 3-Electrode Gas Discharge Tube
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations 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 specifi c applications.
Test Methods per ITU-T K.12 and IEC 61643-311.
Characteristic Model No.
2056-09 2056-14 2056-20 2056-23 2056-25
DC Sparkover ±20 % @ 100 V/s 90 V 145 V 200 V 230 V 250 V
Impulse Sparkover (1)
100 V/µs
1000 V/µs
< 750 V
< 850 V
< 750 V
< 850 V
< 600 V
< 700 V
< 600 V
< 700 V
< 600 V
< 700 V
Insulation Resistance (IR) (2) ...................................50 / 100 / 250 Vdc ................................................. > 1 GΩ
Glow Voltage ...........................................................10 mA ..................................................................... ~ 70 V
Arc Voltage ..............................................................1 A .......................................................................... ~ 10 V
Glow-Arc Transition Current .................................................................................................................... < 1 A
Maximum Capacitance ............................................1 MHz ..................................................................... < 2 pF
Maximum Impulse Discharge Current .....................5,000 A, 8/20 µs .................................................... 10 operations
Nominal Alternating Discharge Current ...................5 A, 50 Hz, 1 second .............................................. 1 operation
Impulse Life .............................................................200 A 10/1000 µs .................................................. 100 operations
DC Holdover Voltage (3) ........................................................................................................................... < 150 ms
Operating Temperature ............................................................................................................................ -30 to +85 ºC
Storage Temperature ............................................................................................................................... -40 to +115 °C
Climatic Category (IEC 60068-1)............................................................................................................. 40 / 90 / 21
Notes:
• UL Recognized component, UL File E153537.
• At delivery AQL 0.65, level II DIN ISO 2859
• Line to Line voltage is approximately 1.8 to 2 times the stated Line to Ground voltage.
• Discharge current rating is total current equally divided between Each Line To Ground (ELTG).
(2) DC Sparkover Voltage IR Measuring Voltage
90 V 50 V
145–400 V 100 V
420–600 V 250 V
(3) Network Applied
DC Sparkover Voltage DC Holdover Voltage
90–145 V 52 V
200–250 V 135 V
350–600 V 150 V
*RoHS COMPLIANT
Characteristic Model No.
2056-35 2056-40 2056-42 2056-47 2056-60
DC Sparkover ±20 % @ 100 V/s 350 V 400 V 420 V 470 V 600 V
Impulse Sparkover (1)
100 V/µs
1000 V/µs
< 650 V
< 750 V
< 700 V
< 800 V
< 700 V
< 800 V
< 800 V
< 900 V
< 900 V
< 1000 V
(1) Impulse Sparkover voltage is defi ned as typical values of distribution.
Specifi cations 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 specifi c applications.
2056 Series Light Duty 3-Electrode Gas Discharge Tube
Packaging Specifi cations
Model 2056 ships standard bulk pack, 100 pieces per tray; 5 trays
per box, 2 boxes per outer pack (1K units).
Product Dimensions
How to Order
2056 - xx - xx (F) LF
Model Number Designator
Voltage (Divided by 10)
09 = 90 V 35 = 350 V
14 = 145 V 40 = 400 V
20 = 200 V 42 = 420 V
23 = 230 V 47 = 470 V
25 = 250 V 60 = 600 V
Leads
A = No leads/Cassette Applications
B2 = 0.8 mm dia., 4.4 mm spacing
B3 = 0.8 mm dia., 3.8 mm spacing
Switch-Grade Fail-Short Option
(Blank) = None
F = Fail-Short Device (Optional)
RoHS Compliancy
LF = RoHS Compliant Product
REV. B 08/15
6.0 +0.2/-0.5
(.236 + .008/-.020)
DIA.
7.5 ± 0.5
(.295 ± .020)
7.6 ± 0.4
(.299 ± .016)
7.5 ± 0.5
(.295 ± .020)
0.8 ± 0.05
(.031 ± .002)
DIA.
3.8 ± 0.3
(.150 ± .012)
3.8 ± 0.3
(.150 ± .012)
0.8 ± 0.05
(.031 ± .002)
DIA.
4.4 ± 0.3
(.173 ± .012)
4.4 ± 0.3
(.173 ± .012)
8.5 ± 0.5
(.335 ± .020)
11.5 +0.8/-0.5
(.453 +.031/-.020)
8.5 ± 0.5
(.335 ± .020)
11.5 ± 0.5
(.453 ± .020)
2056-xx-B3
0.8 mm dia., 3.8 mm spacing
2056-xx-A 2056-xx-B2
0.8 mm dia., 4.4 mm spacing
(B2FLF Switch-Grade Fail-Short Configuration Shown)
8.5 ± 0.5
(.335 ± .020)
6.0 +0.2/-0.5
(.236 + .008/-.020)
DIA.
6.3 ± 0.3
(.248 ± .012)
DIMENSIONS: MM
(INCHES)
