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HFD4-V/3-LSR Datasheet(PDF) 5 Page - Hongfa Technology

Part # HFD4-V/3-LSR
Description  SUBMINIATURE HIGH DIELECTRIC STRENGTH SIGNAL RELAY
PDF  5 Pages
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Manufacturer  HONGFA [Hongfa Technology]
Direct Link  http://www.hongfa.com
Logo HONGFA - Hongfa Technology

HFD4-V/3-LSR Datasheet(HTML) 5 Page - Hongfa Technology

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Remark: 1) In case of no tolerance shown in outline dimension: outline dimension ≤1mm, tolerance should be ±0.2mm; outline dimension >1mm
and ≤5mm, tolerance should be ±0.3mm; outline dimension >5mm, tolerance should be ±0.4mm.
2) The tolerance without indicating for PCB layout is always ±0.1mm.
3) The width of the gridding is 2.54mm.
Disclaimer
The specification is for reference only. See to "Terminology and Guidelines" for more information. Specifications subject to change without notice.
We could not evaluate all the performance and all the parameters for every possible application. Thus the user should be in a right position to
choose the suitable product for their own application. If there is any query, please contact Hongfa for the technical service. However, it is the user’s
responsibility to determine which product should be used only.
© Xiamen Hongfa Electroacoustic Co., Ltd. All rights of Hongfa are reserved.
Notice
CHARACTERISTIC CURVES
Unit: mm
TAPE PACKING
Tape Dimensions (S1 type: Short terminal SMT)
1) This relay is highly sensitive polarized relay, if correct polarity is not applied to the coil terminals, the relay does not operate properly.
2) To avoid using relays under strong magnetic field which will change the parameters of relays such as pick-up voltage and drop-out voltage.
3) Relay is on the “reset” status when being released from stock, with the consideration of shock risen from transit and relay mounting, it should
be changed to the “set” status when application(connecting to the power supply). Please reset the relay to “set” or “reset” status on request.
4) Energizing coil with rated voltage is basic for normal operation of a relay, please make sure the energized voltage to relay coil have reached the
rated voltage. Regarding latching relay, in order to maintain the "set" or "reset" status, impulse width of the rated voltage applied to coil should
be more than 5 times of "set" or "reset" time.
5) For mono-stable type,in case the holding volatage will be reduced after relay operates reliably,please ensure that the effective value of the holding
6) The relay may be damaged because of falling or when shocking conditions exceed the requirement.
7) For SMT products, validation with real application should be done before your series production, if the reflow-soldering temperature curve is out
of our recommendation. Generally, two-time reflow-soldering is not recommended for the relay. However, if two-time reflow-soldering is required,
a 60-min. interval should be guaranteed and a validation should be done before production.
8) For THT type,please adopt wave soldering or manual welding. If reflow soldering is needed,please contact us to further confirm the applicability.
94
A
A
B
B
1.5
4
2
12
2
A-A
B-B
7 0.2
3
。
0.5 0.05
6
12) Relays packaged in moisture barrier bags meet MSL-3 requirements. The relays should be stored at ambient conditions of ≤30℃ and ≤60%
RH after they are removed from their packaging, and should be used within 168 hours. If the relays cannot be used within 168 hours, please
repack them or store them in a drying oven at 25℃±5℃, ≤10% RH. Otherwise, relays may be subjected to a soldering test to check their
performance, or they may be used after keeping them in an oven for 72 hours at with 50℃±5℃, ≤30% RH.
MAXIMUM SWITCHING POWER
Contact Current
ENDURANCE CURVE
Contact Current (A)
100mA
10uA
10V
100V
500V
30V
DC Resistive Load
AC Resistive Load
1A
10A
RECOMMENDED WELDING TEMPERATURE
REFLOW WELDING,TEMPERATURE
ON PCB BOARD
( )
max.245
220
180
150
max. 100
max. 280
max. 100
max. 60
max. 6 /s
max. 3 /s
Temperature
Preheating
Soldering
Time(s)
Test conditions:
Resistive load, at 85
oC, 1s on 9s off.
0
0.2
0.4
0.6
0.8
1.0
1.2
5
10
50
100
500
125VAC
30VDC
Resistive Load
Resistive Load
voltage is over 60% of rated voltage.
9) Contact is recommended for suitable condition and specifications if water cleaning or surface process is involved in assembling relays on PCB.
10) Regarding the plastic sealed relay, we should leave it cooling naturally untill below 40
oC after welding, then clean it and deal with coating,
remarkably the temperature of solvents should also be controlled below 40
oC.Please avoid cleaning the relay by ultrasonic, avoid using the solvents
like zgasoline, Freon, and so on, which would affect the configuration of relay or influence the environment.
11) About preferable condition of operation, storage and transportation, please refer to "Explanation to terminology and guidetines of relay".



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