- 您现在的位置：买卖IC网 > PDF目录68748 > 1.1001 Fuse PDF资料下载
参数资料
| 型号： | 1.1001 |
| 元件分类： | 保险丝 |
| 英文描述： | Fuse |
| 中文描述： | 保险丝 |
| 文件页数： | 54/65页 |
| 文件大小： | 2586K |
| 代理商： | 1.1001 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页当前第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页
Schurter, Inc. Phone 707-778-6311 Fax 707-778-6401 E-mail: info@schurterinc.com Website http://www.schurterinc.com
160
Surge Tolerant Fuses
Testing: Introduction
Several standards have been established for the Telecom
industry, all of which are aimed at combining the interference
influences of Lightning Surge, Power Induction and Power
Contact, together with the associated safety aspects, and to
derive suitable testing methods for the components
in question.
Various kinds of loads have been defined and standardised
as testing criteria. They can be simulated with the aid of an
appropriate test circuit. This provides circuit designers with the
facility for optimally adapting the stages of a protection circuit to
one another.
Current relevant standards are:
ITU-T K.20
International Telecommunication Union,
Standardisation Sector of ITU
UL 1459/1950
Standard for Safety, Telephone Equipment
(USA)
GR 1089 Core
Bell Communications Research (USA)
Tests :
Schurter fuses have been tested according to the following
standards and testing criteria(this list is not exhaustive):
1. ITU-T K.20
Lightning Surge: Test circuit
Fig. 1
Pulse current
Generator no-load
t
t1=10s
t2=700s
50%
I puls
max.
Ipuls
RD
U
c
=
1000
V
+
20 F
0,2 F
50
RM
15
Fuse
Test:
1. The pulse amplitude (generator no-load) is set to 1000 V
and the pulse shape to 10 s / 700 s.
2. The pulse current Ipuls is set to the value Ipuls max. stated in
the data sheet with limiting resistor RD.
3. Test mode : 10 single pulses, at an interval of 60 sec.
alternating polarity.
Requirement: The fuse shall not interrupt the circuit.
1) Note:
With a charge voltage of UC = 1000 V, the standardized
pulse generator in Fig. 1 supplies a maximum pulse current Ipuls
= 67 A, providing the current limiting resistor is
RD = 0. The shunt RM for the current monitoring has a very
low resistance and has therefore no notable influence to the
current amplitude. This means that the data sheet current
67 A (1) does not represent the maximum permissible pulse
amplitude of the fuse in question, but the maximum current
amplitude which can be supplied by the pulse generator. If a
max. current higher than 67 A is to be expected in a circuit, the
I2t-values of the fuse can be calculated using the formula I2t =
0,72 x i2peak x t2, as a good approximation in order that the
selected fuse can accept the expected current pulse without
interrupting the circuit.
Power induction: Test circuit
Fig. 2
Test: The fuse in the test circuit AC 300 V / 50 Hz is loaded 5
200 ms 60 s
200 ms
60 s
I eff = 0,5 A
600
Fuse
A
C
300
V
Fuse
A
C
250
V
RD
Isc
15 Min.
times with Ieff = 0,5 A for 200 ms at intervals of 60 sec.
Requirement: The fuse shall not interrupt the circuit.
Power Contact: Test circuit
Fig. 3
Test: The fuse in the test circuit AC 250 V / 50 Hz is loaded with
the current value ISC stated in the data sheet. The supply
voltage is maintained for 15 minutes.
Requirement: The fuse shall interrupt the circuit.
相关PDF资料 |
PDF描述 |
|---|---|
| 1.2501 | Fuse |
| 1-1337434-0 | BNC STR B/HD JK RG58 |
| 1-1337436-0 | BNC BULKHEAD JACK RG59 |
| 1-1337437-0 | BNC ELBOW PLUG RG58 |
| 1-1337438-0 | BNC ELBOW PLUG RG59 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 11-001.3-152FB | 制造商:Aries Electronics Inc 功能描述:11 Position 152 Fusion Bonded Cable Jumpers |
| 11-001.75-152FB | 功能描述:多配对电缆 FUSION BONDED CABLE 11 CONDUCTORS RoHS:否 制造商:Belden Wire & Cable 线规 - 美国线规（AWG）:18 对数:1 绞合:16 x 30 屏蔽:Shielded 长度:1000 ft 电压额定值:300 V 外壳材料:Polyvinyl Chloride (PVC) 绝缘材料:Polyethylene (PE) 类型:Audio, Control and Instrumentation 外壳颜色:Chrome |
| 110010 | 功能描述:TEST LEAD PAIR R/A BANANA PLUG RoHS:否 类别:测试设备 >> 测试引线 - 香蕉，量表接口 系列:BU 标准包装:1 系列:6570 类型:插接线 配置:香蕉插头至短头鳄鱼夹 第一连接器:香蕉插头，单，屏蔽，直角 第二连接器:接线夹，隔离型，特大号 线缆长度:60.0"（1524.00mm） 所含物品:1 根引线，红 材料 - 绝缘体:硅树脂 堆叠方法:不可堆叠 线规:18 AWG 电压 - 额定:1000V（1kV） 额定电流:20A 额定值:CAT III 1000V，IEC 1010 |
| 110010000 | 功能描述:SKELETON BOT 4WD 制造商:seeed technology co., ltd 系列:Skeleton 零件状态:有效 配置:轮式 使用的 IC/零件:- 平台:Hercules 内容:完全装配 标准包装:1 |
| 11001010 | 制造商:RECOM POWER 功能描述:CONV DC/DC 3.5W 4.5-9VIN 09VOUT |
发布紧急采购，3分钟左右您将得到回复。