HE721A2400
- Mfr.Part #
- HE721A2400
- Manufacturer
- Littelfuse
- Package / Case
- DIP
- Datasheet
- Download
- Description
- RELAY REED SPST 500MA 24V
- Stock
- 4,417
- In Stock :
- 4,417
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Littelfuse
- Product Category :
- Reed Relays
- Contact Resistance :
- 150mOhm
- Dielectric Strength Between Coil and Contacts :
- 500 Vrms
- Contact Form :
- SPST-NO (1 Form A)
- Width :
- 7.24mm
- Ratings :
- IP67
- Must Release Voltage :
- 2VDC
- Number of Terminations :
- 4
- Switching Current :
- 500mA
- Coil/Input Supply Type :
- DC
- Max Current Rating :
- 500mA
- Input Switching Control Type :
- Random
- REACH SVHC :
- Unknown
- Operating Temperature :
- -40°C~85°C
- Body Breadth :
- 7.22 mm
- Length :
- 19.05mm
- Dielectric Strength Between Open Contacts :
- 250 Vrms
- Voltage - Rated DC :
- 200V
- Relay Type :
- Reed
- PCB Hole Count :
- 4
- Mounting Type :
- Through Hole
- Lead Free :
- Lead Free
- Height :
- 7.5mm
- Termination :
- PC Pin
- Relay Action :
- Momentary
- Switching Capacity :
- 10 W
- Coil Power :
- 264mW
- Coil Voltage :
- 24VDC
- Termination Style :
- PC Pin
- Sealing :
- Hermetically Sealed
- RoHS Status :
- ROHS3 Compliant
- Published :
- 2007
- Physical Dimension :
- 19.5mm x 7.22mm x 5.5mm
- Must Operate Voltage :
- 16VDC
- Package / Case :
- DIP
- Switching Voltage :
- 200VDC -Max
- Mount :
- Through Hole
- Factory Lead Time :
- 23 Weeks
- Radiation Hardening :
- No
- Release Time :
- 1 ms
- Insulation Resistance :
- 10000000000Ohm
- Number of Pins :
- 8
- Operate Time :
- 1ms
- Reference Standard :
- CUL; UL
- Throw Configuration :
- SPST
- Coil Resistance :
- 2.15kOhm
- Coil Voltage (DC) :
- 24V
- Coil Current :
- 11.1mA
- Max Voltage Rating (DC) :
- 200V
- ECCN Code :
- EAR99
- Coil Type :
- Non Latching
- Contact Current(DC)-Max :
- 0.5A
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Packaging :
- Tube
- Contact (DC) Max Power Rating R Load :
- 10W@200VDC
- Contact (DC) Max Rating R Load :
- .5A@200VDC
- Series :
- HE700
- Depth :
- 9.52mm
- Datasheets
- HE721A2400

HE721A2400 datasheet pdf and Reed Relays product details from Littelfuse Inc. stock available at
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
Manufacturer related products
Catalog related products
Related products
| Part | Manufacturer | Stock | Description |
|---|---|---|---|
| HE721A0500 | Littelfuse | 3,200 | RELAY REED SPST 500MA 5V |
| HE721A0510 | Littelfuse | 26,022 | RELAY REED SPST 500MA 5V |
| HE721A0515 | Littelfuse | 47,483 | RELAY REED SPST 500MA 5V |
| HE721A0520 | Littelfuse | 29,389 | RELAY REED SPST 500MA 5V |
| HE721A0530 | Littelfuse | 24,322 | RELAY REED SPST 500MA 5V |
| HE721A0540 | Littelfuse | 41,794 | RELAY REED SPST 500MA 5V |
| HE721A0550 | Littelfuse | 6,023 | RELAY REED SPST 500MA 5V |
| HE721A1200 | Littelfuse | 8,443 | RELAY REED SPST 500MA 12V |
| HE721A1210 | Littelfuse | 543 | RELAY REED SPST 500MA 12V |
| HE721A1215 | Littelfuse | 15,219 | RELAY REED SPST 500MA 12V |
| HE721A1220 | Littelfuse | 5,054 | RELAY REED SPST 500MA 12V |
| HE721A1230 | Littelfuse | 46,384 | RELAY REED SPST 500MA 12V |
| HE721A1240 | Littelfuse | 18,648 | RELAY REED SPST 500MA 12V |
| HE721A1250 | Littelfuse | 38,429 | RELAY REED SPST 500MA 12V |
| HE721A2410 | Littelfuse | 6,450 | RELAY REED SPST 500MA 24V |
















