IXCP10M90S Current Regulator 100mA TO-220-3

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IXCP10M90S Current Regulator 100mA TO-220-3 The IXCP10M90S is a high-voltage, switchable current-regulator packaged in a TO-220-3 (TO-220AB) case. It is designed to act as an on/off current source rather than a simple resistor, providing a controlled plateau current over a wide VAK range. The device is tailored for low-current, high-voltage roles where a steady current is required while the voltage across the device can swing to hundreds of volts. Internally the device exhibits a characteristic internal resistance that sets its bias behavior and a plateau current that can be shaped by an external series resistor. Thermal design is important: the TO-220 package allows mounting to a heatsink and the device supports significant case dissipation when properly cooled, enabling continuous operation in demanding high-voltage circuits. Control of the regulator is achieved through the gate terminal (G), which enables on/off behavior and modulation of the plateau current. The IXCP10M90S is therefore useful wherever a reliable, limited current is needed across large voltage swings provided designers follow the datasheet’s mechanical, thermal and safe-operating-area guidelines. Features: 40 W continuous dissipation at specified case temperature. JEDEC standard packages (TO-220 and TO-252) for easy mounting and cooling. On/Off switchable current-source operation via gate terminal. High blocking voltage capability (900 V VAK rating). Typical internal RAK ~58 kΩ for predictable biasing behavior. Specifications: Parameter Value (from datasheet) Part: IXCP10M90S (TO-220-3) Nominal plateau output current (IA(p)): 1 — 100 mA (device family range) V_AK (blocking voltage): 900 V Typical R_AK (internal resistance): 58 kΩ Maximum continuous current (IA, T_C = 25°C): 0.3 A (absolute rating) Continuous power dissipation (P_D, T_C = 25°C): 40 W Gate/control voltage (V_GK): ±20 V (absolute rating) Operating / storage temperature (T_J / T_stg): -55 °C to +150 °C Thermal resistance RthJC (junction-to-case): 3.1 K/W Thermal resistance RthJA (TO-220): 80 K/W Package: TO-220AB (IXCP), also available as TO-252 (IXCY) Pinout Diagram: Footprint Diagram: Applications: Start-Up Circuits for SMPS. Highly Stable Voltage Sources. Surge Limiters and Voltage Protection. Fast Reacting Resettable Fuses. Soft Start-Up Circuits. Package Contents: 1x IXCP10M90S Current Regulator 100mA TO-220-3 Datasheet