Product Overview & Applications:
Technical Parameters
Current Selection Table
| Product model | Resistive load current | Insulation voltage | Reverse repetitive peak voltage |
| SQL 40A | 28A | 2500V | 100‑1600V |
| SQL 60A | 32A | 2500V | 100‑1600V |
| SQL 100A | 45A | 2500V | 100‑1600V |
| SQL 150A | 70A | 2500V | 100‑1600V |
| SQL 200A | 90A | 2500V | 100‑1600V |
| SQL 300A | 105A | 2500V | 100‑1600V |
| SQLF 35A | 17A | 2500V | 100‑1600V |
| SQLF 50A | 20A | 2500V | 100‑1600V |
Product Parameters
| Sign | Parameters | Test Conditions | Junction temp | minimum | typical | maximum | Units |
| I<sub>D</sub> | DC output current | Single‑phase full‑wave rectifier circuit, Tc=100℃ | 150 | 300 | A | ||
| V<sub>RRM</sub> | Reverse repetitive peak voltage | V<sub>RRM</sub> tp=10msV<sub>RSM</sub>=V<sub>RRM</sub>+200V | 150 | 600 | 4000 | V | |
| I<sub>RRM</sub> | Reverse repetitive peak current | at V<sub>RRM</sub> | 150 | 8 | mA | ||
| I<sub>FSM</sub> | Forward non‑repetitive surge current | 10ms bottom width, sine half wave | 150 | 1.2 | kA | ||
| I²t | Inrush current squared time product | VR=0.6V<sub>RRM</sub> | 150 | 7.2 | A²s×10³ | ||
| V<sub>FO</sub> | Threshold voltage | 150 | 0.8 | V | |||
| r<sub>F</sub> | Slope Resistor | 150 | 7 | mΩ | |||
| V<sub>FM</sub> | Forward peak voltage | I<sub>FM</sub>=75A | 25 | 1.55 | V | ||
| R<sub>th(j‑c)</sub> | Thermal Impedance (Junction to Case) | One‑sided heat dissipation | 0.2 | ℃/W | |||
| R<sub>th(c‑h)</sub> | Thermal Impedance (Case to Heatsink) | One‑sided heat dissipation | 0.15 | ℃/W | |||
| V<sub>iso</sub> | Insulation voltage | 50Hz,R,M,S,T=Imin,Iiso,ImA(max) | 2500 | V | |||
| F<sub>M</sub> | Mounting torque (M5) | 4 | N‑m | ||||
| F<sub>M</sub> | Mounting torque (M6) | 6 | N‑m | ||||
| T<sub>stq</sub> | Storage temperature | -40 | 125 | ℃ | |||
| W<sub>t</sub> | Weight | g |
Get an Instant Quote for Your Latest Project
From precise Temperature Controllers and Thermocouples to Solid State Relays, Switching Power Supplies, Contactors, and Circuit Breakers—LCTC provides a complete, reliable ecosystem for your control cabinets. Submit your bill of materials (BOM) today for an integrated, volume-discounted quote within 24 hours.






