参数资料
| 型号： | 2027-9-SM |
| 厂商： | Bourns Inc. |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | GAS DISCHARGE TUBE |
| 标准包装： | 100 |
| 系列： | 2027-SM |
| 电压 - DC 击穿（标称值）： | 90V |
| 脉冲放电电流 (8/20us)： | 25kA |
| 容差： | ±15% |
| 极数： | 2 |
| 故障短路： | 无 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 2-SMD圆柱形方端头 |
| 包装： | 散装 |
| 电流 - AC 放电（标称值）： | 10A |
Features
■ Surface mount for economical assembly
■ High surge current rating
■ Low capacitance and insertion loss
■ Stable breakdown throughout life
Applications
■ Telecommunications
■ Industrial electronics
■ Commercial electronics
■ Automotive, aircraft, military electronics
■ 8 mm diameter, 6 mm long
■ UL Recognized
2027-xx-SM Precision Gas Discharge Tube Surge Protector
Bourns offers an 8 x 6 mm Surface Mount (SM) 2-electrode GDT surge protection device. The industry-leading quality and features
of Bourns ? 2027 Series GDT continue in this new SM version. Compatible with “pick and place” assembly systems, the 2027-SM is
ideal for compact applications such as PCBs for telecommunications, commercial and industrial applications.
Characteristics
Test Methods per ITU-T (CCITT) K.12, IEEE C62.31, RUS PE-80, Telcordia GR 1361
Characteristic
2027-07-SM
2027-09-SM
Model No.
2027-15-SM 2027-20-SM
2027-23-SM
2027-25-SM
DC Sparkover ±15 %
(±20 % for Models 2027-07-SM &
75 V
90 V
150 V
200 V
230 V
250 V
2027-09-SM) @ 100 V/s
Impulse Sparkover
100 V/μs
1000 V/μs
300 V
500 V
300 V
500 V
350 V
575 V
400 V
600 V
450 V
675 V
475 V
700 V
Characteristic
2027-30-SM
2027-35-SM
Model No.
2027-40-SM 2027-42-SM
2027-47-SM
2027-60-SM
DC Sparkover ±15 % @ 100 V/s
300 V
350 V
400 V
420 V
470 V
600 V
Impulse Sparkover
100 V/μs
1000 V/μs
550 V
800 V
600 V
875 V
650 V
925 V
675 V
950 V
725 V
1000 V
850 V
1100 V
Insulation Resistance ...................................... 100 V (50 V for Models 2027–07-SM
& 2027-09-SM) .................................................> 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 ** .................................... 135 V, (52 V for Models 2027-07-SM
& 2027-09-SM; 80 V for Model 2027-15-SM)...< 150 ms
Impulse Discharge Current .............................. 25000 A, 8/20 μs *** ........................................... 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 *** ........................................ 1 operation minimum
10 Arms, 1 s ......................................................> 10 operations
Operating Temperature............................................................................................................... -55 to +85 °C
Climatic Category (IEC 60068-1) ................................................................................................ 40/90/21
Notes:
? UL recognized component, UL File E153537.
? Model number marking on tube: 27-xxxV.
? Surface Mount (SM) parts may show a temporary increase in DCBD after the solder re?ow 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 ±20 % after life, IR >10 8 Ω (-25 %, +30 % for Models 2027-07-SM, 2027–09-SM and 2027–60-SM).
? At delivery AQL 0.65 Level II, DIN ISO 2859.
**
***
Network applied.
DC Sparkover may exceed ±20 % after discharge, but will continue to protect without venting.
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
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