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參數(shù)資料
| 型號(hào)： | 2039-80SM-LF |
| 廠商： | BOURNS INC |
| 元件分類(lèi)： | 保護(hù)電路 |
| 英文描述： | TELECOM, SURGE PROTECTION CIRCUIT, XSS |
| 封裝： | ROHS COMPLIANT PACKAGE |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 267K |
| 代理商： | 2039-80SM-LF |
Features
■ Leadless, surface mount for economical
assembly
■ Low capacitance and insertion loss
■ High surge current rating
■ Fast response to transients
■ Compact “mini” size
■ RoHS compliant* version available
Characteristics
2039-xxx-SM Precision, Fast Responding, High Voltage Gas Discharge Tube
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specications are subject to change without notice.
Customers should verify actual device performance in their specic applications.
Test Methods per ITU-T (CCITT) K.12 and IEEE C62.31
Insulation Resistance (IR) ................................ 100 V.................................................................> 109
Ω
Arc Voltage ...................................................... 1 A.....................................................................~ 10 V
Glow-Arc Transition Current .......................................................................................................< 0.5 A
Capacitance .................................................... 1 MHz ...............................................................< 1 pF
DC Holdover Voltage 1 .................................... 135 V.................................................................< 150 ms
Max. Single Discharge 2 .................................. 5 kA...................................................................> 1 operation
Impulse Discharge Current.............................. 2.5 kA, 8/20 s 2 ...............................................> 10 operations
100 A, 10/1000 s.............................................> 100 operations
10 A, 10/1000 s ..............................................> 1500 operations
Alternating Discharge Current ......................... 2.5 Arms, 1 s.....................................................> 10 operations
Operating and Storage Temperature..........................................................................................
-55 to +85 °C
Climatic Category (IEC 60068-1)................................................................................................
40/90/21
Notes:
Surface Mount (SM) parts may show a temporary increase in DCBD after the solder reow process. Most devices will recover
within 24 hours time. It should be noted that there is no quality defect nor change in protection levels during the temporary change
in DCBD.
Sparkover limits after life +30/-25 %, IR >108
Ω.
At delivery AQL 0.65 Level II, DIN ISO 2859.
1 Network applied.
2 DC Sparkover may exceed +30/-25 % but will continue to protect without venting.
Characteristic
Model No.
2039-80-SM
2039-110-SM
DC Sparkover ± 20 % @ 100 V/s
800 V
1100 V
Impulse Sparkover @ 1000V/
μs
1250 V
1500 V
Bourns now offers miniature Surface Mount (SM) 2-electrode GDT surge protectors with sparkover voltage up to 1100 V. Compatible with
“pick and place” assembly systems and only 5 mm in diameter, the 2039 Series is ideal for board level protection of high bandwidth
applications such as xDSL, cable broadband and high speed Ethernet. The 2039 Series features high energy-handling capability, long and
stable life performance and low capacitance of less than 1 pF.
Bourns GDTs are designed to prevent damage from transient disturbances by acting as a “crowbar” to create a short-to-ground circuit
during conduction. When an electrical surge exceeds the dened breakdown voltage level of the GDT, the device becomes ionized and
conduction takes place within a fraction of a microsecond. When the surge passes and system voltage returns to normal levels, the GDT
returns to its high-impedance (off) state.
*RoHS
COMPLIANT
VERSIONS
AVAILABLE
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