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Description
HFD4-3Subminiature Signal Relay, Form 2C, VCoil= 3V DC, IMax Switching= 2A , RCoil= 64. 3, PCB, in Vertical Case Overview Features Specification Model HFD4 3V Brand Hongfa Contact Form Form 2C Size Category Submini Size 10x6. 5x5. 4mm Termination PCB Coil Rated Voltage 3V AC DC Voltage DC Max. Switching Current 2A Electrical Rating 2A 30VDC Coil Power 140mW Power Coil Resistance 64. 3 Isolation Voltage 1KV Contact Material AgNi + Au plated Pin Layout DIL
Subminiature Signal Relay, Form 2C, VCoil= 3V DC, IMax Switching= 2A , RCoil= 64.3Ω, PCB, in Vertical Case
Overview
Features
Specification
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| Model | HFD4-3V |
| Brand | Hongfa |
| Contact Form | Form 2C |
| Size Category | Submini |
| Size | 10x6.5x5.4mm |
| Termination | PCB |
| Coil Rated Voltage | 3V |
| AC/DC Voltage | DC |
| Max. Switching Current | 2A |
| Electrical Rating | 2A 30VDC |
| Coil Power | 140mW Power |
| Coil Resistance | 64.3Ω |
| Isolation Voltage | 1KV |
| Contact Material | AgNi + Au plated |
| Pin Layout | DIL |
| No. of Pins | 8 Pin(s) |
| No. of Poles | 2 Pole(s) |
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Exchange/Return Notes
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4.8 ★★★★★
Based on 720 reviews
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Product Reviews
★★★★★ 5
Love it
Color: Black/Blue
Have worn these watches for years.they are durable they can get wet take a beating but they keep on ticking. I’m just not a fan of watches you have to charge all the time
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Reviewed in the United States on May 11, 2026
★★★★★ 5
this is the perfect daily everyday use digital watch........
Color: Black
hands down the best edc digital watch available, this watch is everything you need at a quarter of the cost of other digital watches. we all know the durability of iron man watches its legendary, but where this watch beats even other iron man offerings is the size of the digital numbers displayed a bit larger for aging eyes and what makes it even more durable than the other iron man watch's is that the instructional labeling of the buttons is under the glass and wont fade or rub off under use making it look cleaner and newer for longer. now lets mention the size or foot print of this watch, i own several watches from competing brands and almost once a day i hit the watch on something a door knob a table corner, but when I'm wearing this Timex 40mm i never hit it on anything due to the thinness of the watch.
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Reviewed in the United States on May 11, 2025
★★★★★ 5
The Best
Color: Black
Ironman watches are the best for everyday and the price is right!
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Reviewed in the United States on January 19, 2026
★★★★★ 5
Works as expected
Color: Black
It's a Timex. Says it all...!
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Buy!
Color: Black/Negative
Great watch
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Reviewed in the United States on February 22, 2026