H12CD4850 Crydom - Relays
H12CD4850 Description
Crydom H12CD4850 is a solid state relay. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.
USComponent has been supplying power semiconductors since 2001, including discontinued and hard-to-find part numbers. Send us an RFQ for the H12CD4850 and we will reply with price, condition and lead time. Please check the manufacturer's datasheet to confirm ratings, package and pin-out before you order.
Summary of Features
Crydom H12CD4850 is a 50 A panel-mount solid state relay (H12C Series, 48-660 VAC), SCR output, DC control 4-15 VDC, zero voltage turn-on.
Target Applications
Crydom H12CD4850 is used for switching AC loads in industrial heating and temperature control (ovens, furnaces, plastic molding and extrusion machines), packaging and food processing equipment, lighting control, HVAC systems and industrial automation.
Key Specifications
Crydom H12CD4850 is a 50 A panel-mount solid state relay (H12C Series, 48-660 VAC), SCR output, DC control 4-15 VDC, zero voltage turn-on. Source: Crydom H12C Series datasheet. Values at 25°C unless noted.
| Parameter | Value |
|---|---|
| Output | |
| Operating voltage (47-63 Hz) | 48-660 Vrms |
| Maximum load current | 50 Arms |
| Transient overvoltage | 1200 Vpk |
| Maximum surge current (16.6 ms) | 625 Apk |
| Maximum on-state voltage drop @ rated current | 1.6 Vpk |
| Maximum off-state leakage @ rated voltage | 1.0 mArms |
| Minimum off-state dv/dt | 500 V/µs |
| Thermal resistance junction to case (Rjc) | 0.63 °C/W |
| Maximum I²t for fusing (8.3 ms) | 1620 A²s |
| Switching type | zero voltage turn-on |
| Input | |
| Control voltage range | 4-15 VDC |
| Turn-on / turn-off voltage | 4.0 / 1.0 VDC |
| Typical input current | 15 mA |
| Nominal input impedance | 300 Ohm |
| Maximum turn-on / turn-off time | 1/2 cycle / 1/2 cycle |
| General | |
| Dielectric strength, input/output/base | 4000 Vrms |
| Ambient operating temperature | -40 to 80°C |
| Weight (typical) | 3.0 oz (86.5 g) |
Technical document (PDF) | Request a quote for H12CD4850 (reply within 24 hours)

