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| 型號(hào)： | DIH-149 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 53K |
| 代理商： | DIH-149 |
DIONICS , INC.
65 Rushmore Street
Westbury, NY 11590
Phone: (516) 997-7474
Fax: (516) 997-7479
Website: www.dionics-usa.com
DIH-126, DIH-127, DIH-136 Pow er MOS FE T N/O S PS T
Photovoltaic AC-DC Relay
Features:
Low Level Logic Compatibility
Thermal Protection With Hysteresis
Optical Isolation to 400VDC
Low On Resistance, Low Offset Voltage
Meet 28V DC System Surge and Spike
Requirements of Mil STD-704.
Current Limiting
Designed To Meet MIL-R-28750
Y-Level MIL Screening Available
Description:
DIH-126, DIH-127 and DIH-136 are State-of-the-Art AC-DC Photovoltaic (PV) Solid State Relays designed for A.T.E.
applications where speed, power, on-resistance and leakage current are critical. These PV relays incorporate an infrared
LED input, a PV diode array connected to the gates of 2 pairs of power MOSFETs as output and a unique turn-off circuit.
The PV diode array is 2 series-connected groups of photosensitive diodes, which are electrically isolated from, but
optically coupled to the input LEDs. When activated, each LED emits infrared light toward the PV diode array, which
then responds with a self-generated open circuit voltage, Voc, proportional to the LED input current. This Voc, which is
floating and completely isolated from any power supply, is applied to the gates of the power MOSFETs. At the proper
value of the input LED current, the generated Voc is sufficient to turn on the MOSFETs and cause the relay to conduct.
The MOSFET outputs provide thermal stability, immunity from false turn-on, and low offset voltage.
DIH-126, DIH-127 and DIH-136 are specific PV relays that are produced from one basic semi-custom design. Options,
such as: current limiting, thermal protection, short circuit protection, status indication, constant current input or ultra fast
switching may be incorporated into customized versions of these relays
* Equivalent Schematic:
6
PV
1
Applications:
28V DC Aircraft Power Control &
Distribution
Motor Control & Power Control
Aircraft Flight Control Systems
A.T.E. (Automatic Test Equipment)
Load Control From Processor I/O Ports
High-side DC Power Switching
Power Supply Circuits
Medical Electronics
Enh.
Enh.
LED
2
5
4
Pin designation
Pin number
Function
1
2
3
4
5
6
Input + Input - Case Output Common Output
Drain + Source - Drain +
* Package Layout:
0.420
0.100
1
KOVAR, NI - PLATED
GLASS
0
XXXX
0.020
0
0.018 Typ.
KOVAR, AU - PLATED
DIH-126
0.020
DIONICS
6
5
0
4
3
0
2
08/2001
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