# Power Relay, Subminiature, DPST-NO, 24 VDC, 5 A, HF42F Series, Through Hole, Non Latching

![Product image](https://novapart.co/image/farnell:4733505/)

**URL**: https://novapart.co/products/HF42F/024-2HST/power-relay-subminiature-dpst-no-24-vdc-5-a-hf42f
**SKU**: HF42F/024-2HST
**Manufacturer**: HONGFA
**Category**: Switches & Relays || Relays || Power Relays
**Price**: €1.5700
**Stock**: 1000+
**Lead Time**: 141 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| Coil Type | Non Latching |
| Coil Voltage | 24VDC |
| Product Range | HF42F Series |
| Relay Mounting | Through Hole |
| Coil Resistance | 1.08kohm |
| Contact Current | 5A |
| Relay Terminals | PC Pin |
| Contact Material | Silver Tin Oxide |
| Contact Voltage Vac | 250V |
| Contact Voltage Vdc | 30V |
| Contact Configuration | DPST-NO |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4733505/)

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HF42F SUBMINIATURE INTERMEDIATE POWER RELAY<br>File No.:E133481 Features<br>A 012-2HFAk @ 5Aswitching capability<br>. 5A 20vee LM @ TV-3 125VAC approved by UL standard<br>File No.:R50356443 5A ote aie<br>CE CHINAct us @ 2 FormA slim. configuration7 .<br>File No.:CQC 18002199982<br>CQC16002159853 RoHS compliant<br>CONTACT DATA COIL<br>Contact arrangement 2A Coil power Approx. 530mW<br>Contact resistance’) 100mQ max. (at 1A 6VDC)<br>Contact material AgSn0Oz, AgCdO<br>Contact rating (Res. load) 5A 250VAC/30VDC COIL DATA at 23°C<br>Max.Max. switching gyorg voltage 250VAC / 30VDC Nominal Vateri propo Max. Coil<br>switching current 5A Voltage onage | vortage | voltage Resistance<br>Max. VDC ENS wae VDC *2) O<br>switching power 1250VA/ 150W max.") | _min.")<br>Mechanical endurance 1 x 10°ops 5 47 x (1£10%)<br>Electrical endurance (5A 250VAC, Resistive load,<br>0,<br>Notes: 1) The data shown above are initial values. 12 900 | 060 | 156 | 270 x (1£10%)<br>CHARACTERISTICS 8 | tes oso 24 exo (tb 10%)<br>Insulation resistance 1000MQ (at 500VDC) 24 1080 x (1£10%)<br>—<br>Dielectric Between coil & contacts 4000VAC 1min - 48 4400 x (1410%)<br>strength Between open contacts 1000VAC 1min Notes: 1) The data shown above are initial values.<br>Between contact sets 2000VAC 41min 2)*Maximum voltage refers to the maximum voltage which relay<br>coil could endure in a short period of time.<br>Operate time (at rated. volt.) 15ms max.<br>Release time (at rated. volt.) 10ms max.<br>Humidity 5% to 85% RH SAFETY APPROVAL RATINGS<br>Ambient temperature -40°C to 70°C 5A 250VAC<br>Shock resistance Functional 98m/s? UL/CUL SA 30VDC<br>980m/s" TV-8 125VAC<br>Vibration resistance 10Hz to 55Hz 1.5mm DA<br>- 5A 250VAC<br>Termination PCB TUV 5A 30VDC<br>Unit weight Approx. 14.59 Notes: 1) All values unspecified are at room temperature.<br>Construction Plastic sealed 2) Only typical loads are listed above. Other load specifications<br>can be available upon request.<br>Notes: 1) The data shown above are initial values.<br>2) Please find coil temperature curve in the characteristic curves below.<br>3) UL insulation system: ClassA<br>**----- End of picture text -----**<br>


4) For sealed type, the vent-hole cover should be excised. 

nd ; 1S09001, ~~HONGFA RELAY~~ IATF16949 , 15014001, 1SO45001, IECQ QC 080000, ISO/IEC 27001 CERTIFIED 

2023 Rev. 1.00 

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ORDERING INFORMATION<br>Type<br>Coil voltage 5, 6, 9, 12, 18, 24, 48VDC<br>Contact arrangement 2H: 2FormA<br>Construction’) S: Plastic sealed<br>Contact material T: AgSnO, Nil: AgCdO<br>Special code?) XXX: Customer special requirement Nil: Standard<br>**----- End of picture text -----**<br>


Notes: 1) Contact is recommended for suitable condition and specifications if water cleaning or surface process is involved in assembling relays on PCB. 

2) The customer special requirement express as special code after evaluating by Hongfa. 

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OUTLINE DIMENSIONS, WIRING DIAGRAM AND PC BOARD LAYOUT<br>**----- End of picture text -----**<br>


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Unit: mm<br>**----- End of picture text -----**<br>


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Outline Dimensions<br>**----- End of picture text -----**<br>


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_ 24.4405 _ _ [12.8] [+05] _<br>3<br>2<br>Aq<br>0.4<br>-_<br>| | [ts<br>|<br>_ _  | | 2-0.5x0.5<br>Wiring Diagram PCB Layout<br>(Bottom view) (Bottom view)<br>15 5<br>6xO1.3 | — —<br>‘' ’ J '' © [| oO O { hos<br>**----- End of picture text -----**<br>


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 2.5mm. 

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CHARACTERISTIC CURVES 

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MAXIMUM SWITCHING POWER ENDURANCE CURVE COIL TEMPERATURE RISE<br>ee — — —<br>a a a 2 sy }<br>sal LEee sg Fees | oakLK<br>gt yg PU a<br>ec aeS SNOy A DQ 10  ee E€ 30 7<br>sari oe<br>Oo ; ee —)eo ,f| | | Wh——|] Ty — »<br>; PRT TT 2 Pt tp et 7<br>10 20 Cem 30 100 200 I 400 ” PF}ARERR}| | ddl 0 ° 70 EE 80 90 100 110 120<br>5 8<br>Contact Voltage (V) Contact Current (A) Percentage Of Nominal Coil Voltage<br>**----- End of picture text -----**<br>


Test conditions: 

5A 250VAC, Resistive load, Room temp., 1s on Qs off 

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. 

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- [Supplier page](https://es.farnell.com/hongfa/hf42f-024-2hst/power-relay-dpst-no-5a-24vdc-th/dp/4733505)
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