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参数资料
| 型号： | 2038-15-SMLF |
| 厂商： | BOURNS INC |
| 元件分类： | TVS二极管 - 瞬态电压抑制 |
| 英文描述： | UNIDIRECTIONAL, SILICON, TVS DIODE |
| 封装： | ROHS COMPLIANT, MINIATURE PACKAGE-2 |
| 文件页数： | 1/3页 |
| 文件大小： | 325K |
| 代理商： | 2038-15-SMLF |
Features
■ Balanced Mini-TRIGARD
(5 mm diameter, 7.3 mm length)
■ Ideal for board level protection of
broadband circuits
■ Symmetrical breakdown voltage (L-L, L-G)
■ Leadless, surface mount for economical
assembly
■ High surge current rating, low insertion loss
■ Stable breakdown throughout life
■ RoHS compliant* versions available
Characteristics
2038 Series Miniature Symmetrical 3-Electrode Surface Mount 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
Impulse Transverse Delay................................ 100 V/s............................................................< 75 ns
Insulation Resistance (IR) ................................ 100 V.................................................................> 1010
Ω
Glow Voltage ................................................... 10 mA................................................................~ 70 V
Arc Voltage ...................................................... 1 A.....................................................................~ 10 V
Glow-Arc Transition Current .......................................................................................................< 0.5 A
Capacitance .................................................... 1 MHz ...............................................................< 1 pF
DC Holdover Voltage1 .................................... 135 V.................................................................< 150 ms
Impulse Discharge Current.............................. 10000 A, 8/20 s2 .............................................1 operation min.
5000 A, 8/20 s.................................................> 10 operations
200 A, 10/1000 s.............................................> 300 operations
200 A, 10/700 s ..............................................> 500 operations
10 A, 10/1000 s ..............................................> 1500 operations
Alternating Discharge Current ......................... 10 Arms, 1 s2 ....................................................1 operation min.
5 Arms, 1 s........................................................> 10 operations
Operating Temperature...............................................................................................................
-40 to +90 °C
Climatic Category (IEC 60068-1)................................................................................................
40/90/21
Notes:
2038-35 UL Recognized
, le E153537, 2038-110 CSA Approved
, le LR93265 (UL 1449).
The rated discharge current for Mini-TRIGARD GDTs is the total current equally divided between each line to ground.
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 ±25 %. IR >108
Ω (+30 %, -25 % for 2038-60,-80 and -110).
Operating characteristics per RUS PE-80 and Telcordia GR 1361 available on request.
At delivery AQL 0.65 Level II, DIN ISO 2859.
1 Network applied.
2 DC Sparkover may exceed ±25 % but will continue to protect without venting.
Characteristic
Model No.
2038-15-SM
2038-20-SM
2038-23-SM
2038-30-SM
2038-35-SM
DC Sparkover ± 20 % @ 100 V/s
L1/L2 to Grnd and Line 1 to Line 2
150 V
200 V
230 V
300 V
350 V
Typical Impulse Sparkover
L1/L2 to Grnd and Line 1 to Line 2
100V/
μs
1000V/
μs
350 V
500 V
425 V
575 V
450 V
600 V
500 V
650 V
600 V
750 V
Bourns offers a symmetrical surface mount (SM) 3-electrode GDT surge protection device. The industry-leading quality and features of the
Bourns miniature-TRIGARDTM series GDT continue in the 2038 symmetrical version. The 2038 series is ideal for board level protection of
high bandwidth applications such as xDSL, cable broadband and high speed Ethernet, due to its symmetrical turn on characteristics as well
as high energy-handling capability, long and stable life performance and low capacitance of less than 1 pF. The 2038 series’ breakdown
voltages are nearly equal line to line as well as line to ground. Typical 3-electrode GDT line-line breakdown voltages are 1.8-2 times higher
than the line to ground breakdown voltage. Bourns Gas Discharge Tubes (GDT) are designed to prevent damage from transient disturbances
by acting as a “crowbar” in creating a virtual short-to-ground circuit during conduction. When an electrical surge exceeds the dened break-
down voltage level of the GDT, the gas becomes ionized and rapid conduction takes place. When the surge passes and the system voltage
returns to normal levels, the GDT returns to its high-impedance (off) state.
Characteristic
Model No.
2038-42-SM
2038-47-SM
2038-60-SM
2038-80-SM
2038-110-SM
DC Sparkover ± 20 % @ 100 V/s
L1/L2 to Grnd and Line 1 to Line 2
420 V
470 V
600 V
800 V
1100 V
Typical Impulse Sparkover
L1/L2 to Grnd and Line 1 to Line 2
100V/
μs
1000V/
μs
675 V
850 V
750 V
950 V
850 V
1100 V
1150 V
1400 V
1500 V
1700 V
*RoHS
COMPLIANT
VERSIONS
AVAILABLE
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