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参数资料
| 型号： | SRDA05-6 |
| 元件分类： | 参考电压二极管 |
| 英文描述： | 500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, MS-012AA |
| 封装： | SOP-8 |
| 文件页数： | 7/9页 |
| 文件大小： | 198K |
| 代理商： | SRDA05-6 |
7
2008 Semtech Corp.
www.semtech.com
PROTECTION PRODUCTS
SRDA3.3-6 and SRDA05-6
Applications Information (continued)
the current will be directed through the integrated TVS
diode to ground. The total clamping voltage seen by
the protected IC due to this path will be:
V
C
= V
F(RailClamp)
+ V
TVS
This is given in the data sheet as the rated clamping
voltage of the device. For an SRDA05-6 the typical
clamping voltage is <16V at I
PP
=30A. The diodes
internal to the RailClamp are low capacitance, fast
switching devices that are rated to handle high tran-
sient currents and maintain excellent forward voltage
characteristics.
Using the RailClamp does not negate the need for good
board layout. All other inductive paths must be consid-
ered. The connection between the positive supply and
the SRDA and from the ground plane to the SRDA
must be kept as short as possible. The path between
the SRDA and the protected line must also be mini-
mized. The protected lines should be routed directly to
the SRDA. Placement of the SRDA on the PC board is
also critical for effective ESD protection. The device
should be placed as close as possible to the input
connector. The reason for this is twofold. First,
inductance resists change in current flow. If a signifi-
cant inductance exists between the connector and the
TVS, the ESD current will be directed elsewhere (lower
resistance path) in the system. Second, the effects of
radiated emissions and transient coupling can cause
upset to other areas of the board even if there is no
direct path to the connector. By placing the TVS close
to the connector it will divert the ESD current immedi-
ately and absorb the ESD energy before it can be
coupled into nearby traces.
(Reference Semtech application note SI99-01 for
further information on board layout)
Matte Tin Lead Finish
Matte tin has become the industry standard lead-free
replacement for SnPb lead finishes. A matte tin finish
is composed of 100% tin solder with large grains.
Since the solder volume on the leads is small com-
pared to the solder paste volume that is placed on the
land pattern of the PCB, the reflow profile will be
determined by the requirements of the solder paste.
Therefore, these devices are compatible with both
lead-free and SnPb assembly techniques. In addition,
unlike other lead-free compositions, matte tin does not
have any added alloys that can cause degradation of
the solder joint.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SRDA056.T | 制造商:Semtech Corporation 功能描述:ESD Suppressor Diode Arrays ±15KV 8-Pin SOIC T/R 制造商:Semtech 功能描述:ESD Suppressor Diode Arrays ±15KV 8-Pin SOIC T/R |
| SRDA05-6.T | 制造商:Semtech Corporation 功能描述:ESD Suppressor Diode Arrays ±15KV 8-Pin SOIC T/R 制造商:Semtech Corporation 功能描述:SRDA Series 15 V 8 pF SMT RailClamp Low Capacitance TVS Diode Array - SOIC-8 制造商:Semtech Corporation 功能描述:TVS DIODE ARRAY, 500W, 5V, SOIC; Diode Type:Low Capacitance; Clamping Voltage Vc Max:20V; Operating Voltage:1.5V; Diode Case Style:SOIC; No. of Pins:8; Breakdown Voltage Vbr:6V; Capacitance, Cd:4pF; Junction Capacitance:15pF ;RoHS Compliant: Yes 制造商:Semtech 功能描述:ESD Suppressor Diode Arrays ±15KV 8-Pin SOIC T/R |
| SRDA05-6.TB | 制造商:Semtech Corporation 功能描述:ESD Suppressor Diode Arrays |
| SRDA05-6.TBT | 制造商:Semtech Corporation 功能描述:ESD Suppressor Diode Arrays 制造商:Semtech Corporation 功能描述:DIODE TVS 5V 制造商:Semtech Corporation 功能描述:DIODE, TVS, 5V 制造商:Semtech Corporation 功能描述:SRDA Series 15 V 8 pF SMT RailClamp Low Capacitance TVS Diode Array - SOIC-8 制造商:Semtech Corporation 功能描述:TVS DIODE ARRAY, 500W, 5V, SOIC; Diode Type:Low Capacitance; Clamping Voltage Vc Max:20V; Operating Voltage:1.5V; Diode Case Style:SOIC; No. of Pins:8; Breakdown Voltage Vbr:6V; Capacitance, Cd:4pF; Junction Capacitance:15pF ;RoHS Compliant: Yes 制造商:Semtech 功能描述:ESD Suppressor Diode Arrays 制造商:SEMTECH 功能描述:5V 25A LOW CAP RAILCLAMP TVS DIODE ARRAY 6 LINES |
| SRDA05-6.TBT | 制造商:Semtech Corporation 功能描述:TVS Diode |
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