參數(shù)資料
型號(hào): LH1525AABTR
廠商: Vishay Intertechnology,Inc.
元件分類: 圓形連接器
英文描述: Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Aluminum; Series:DL3102; No. of Contacts:4; Connector Shell Size:18; Connecting Termination:Solder; Circular Shell Style:Box Mount Receptacle; Gender:Male
中文描述: LH1525AT
文件頁數(shù): 7/9頁
文件大?。?/td> 209K
代理商: LH1525AABTR
VISHAY
LH1525AT/ AAB/ AABTR
Vishay Semiconductors
Document Number 83823
Rev. 1.3, 14-Jul-04
www.vishay.com
7
Applications
Input Control
The LH1525 low turn-on current SSR has highly sen-
sitive photodetection circuits that will detect even the
most minute currents flowing through the LED. Leak-
age current must be considered when designing a cir-
cuit to turn on and off these relays.
Figure 23 shows a typical logic circuit for providing
LED drive current. R1 is the input resistor that limits
the amount of current flowing through the LED. For
5.0 V operation, a 2700
resistor will limit the drive
current to about 1.4 mA. Where high-speed actuation
is desirable, use a lower value resistor for R1. An
additional RC peaking circuit is not required with the
LH1525 relay.
R2 is an optional pull-up resistor which pulls the logic
level high output (V
OH
) up toward the VS potential.
The pull-up resistance is set at a high value to mini-
mize the overall current drawn from the VS. The pri-
mary purpose of this resistor is to keep the differential
voltage across the LED below its turn-on threshold.
LED dropout voltage is graphed vs. temperature in
the Typical Performance Characteristics section.
When the logic gate is high, leakage current will flow
through R2. R2 will draw up to 8 mA before develop-
ing a voltage potential which may possibly turn on the
LED.
Each application should be evaluated, over the full
operating temperature range to make sure that leak-
age current through the input control LED is kept to a
value less than the minimum LED forward current for
switch turn-off specification.
Package Dimensions in Inches (mm)
Figure 23. Input Control Circuit
ilh1525at_22
VS
ANY TTL OR
BUFFERED CMOS
LOGIC
R1
2700
R2
100 k
SSR
.014 (.35)
.010 (.25)
.347 (8.82)
.300 (7.62)
.150 (3.81)
.110 (2.79)
.150 (3.81)
.130 (3.30)
.020 (.051) Min.
.300 (7.62)
Typ.
.035 (0.90)
.031 (0.80)
.100 (2.54) Typ.
.039
(1.00)
Min.
.022 (0.55)
.018 (0.45)
.256 (6.50)
.248 (6.30)
.343 (8.70)
.335 (8.50)
Pin One ID.
6
5
4
1
2
3
18
°
Typ.
4
°
Typ.
DIP
ISO Method A
i178001
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LH1529AAC Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Aluminum; Series:DL3102; No. of Contacts:7; Connector Shell Size:20; Connecting Termination:Solder; Circular Shell Style:Box Mount Receptacle; Gender:Male
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