HK4100F 5V SPDT PCB Signal Relay, 6-Pin 1 Form C, 3A 250VAC/30VDC, Sealed 0.2W Coil, Standard 4100/21F Footprint, Compatible with JRC-21F & HFD41

아마존 달러(USD) 가격을 각 날짜의 환율로 원화 환산해 표시합니다. 현재 환율 $1 = ₩1,478 (2026-07-24 기준)

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• Specs & cross-refs (form-factor only): 5 V DC coil (≈0.2 W; ~167 Ω), SPDT (1 Form C), 6-pin PCB, 3 A @ 250 VAC / 3 A @ 30 VDC, max switching 300 VAC/60 VDC, typ. operate ≤10 ms, release ≤5 ms, insulation ≥100 MΩ (500 VDC), dielectric 1000 VAC (coil-to-contacts), −25 °C to +70 °C. Compatible with JRC-21F(4100) and HFD41/HFD41A footprints only—match coil voltage & contact form before use.
• Install & wiring notes: PCB-mount, sealed (“S”). Standard 4100/21F layout: two center pins = coil, far pair = common, outer near coil = NO/NC; row pitch ~7.62 mm; body ~15.5 × 10.5 × 11.8 mm. Replace like-for-like on control boards; verify 5 V coil (do not substitute 12/24 V variants). Not a plug-in automotive cube relay. Add a flyback diode across the coil when driving from logic.
• Applications (board-level): General-purpose switching up to 3 A on appliance control boards, telecom modules, test equipment, IoT/MCU relay cards and similar. Compatible with 5 V microcontroller driver boards and ULN2003/driver arrays (form-factor/electrical interface only)—coil current is ~30 mA, suitable for common transistor/array sinks
• Series code meaning (helps buyers match parts): HK4100F family; DC5V = 5 V coil; S = plastic-sealed; H = ~0.2 W high-sensitivity coil option; G = RoHS. Use these to confirm a drop-in on existing PCBs that call for “4100/21F”-style relays
• Reliability & approvals: Electrical life typ. 1×10⁵ ops @ rated load; mechanical life 1×10⁷ ops; shock 10 g functional / 100 g destructive; vibration 10–55 Hz, 1.5 mm. Listed with cUL/TÜV/CQC on common datasheets for this footprint class
• Footprint/cross-reference reminder: The “4100/21F” footprint appears across multiple vendors. This unit is Compatible with JRC-21F(4100) footprint and HFD41/HFD41A series (form-factor only; not OEM). Always check PCB pad spacing and contact form before ordering replacements

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