Powerex Inc. CD431090B

Mfr. Part

CD431090B

Manufacturer

Powerex, Inc.

Y-IC is a trusted, quality distributor of Powerex. We deliver genuine products, fast service, and expert support so you get the best results.

Detailed Description

Dual SCR module in POW-R-BLOK package. Series-connected configuration with 2 SCRs. 1000 V off-state rating and 90 A class current capability. Chassis-mount, isolated module for high-power AC control and conversion. RoHS compliant. Available quantity 2542.

Key Features

Device type Dual SCRs, series connection

Off-state voltage 1000 V

Average on-state current up to 95 A

RMS on-state current up to 150 A

Non-repetitive surge current ItsM 2000 A (50 Hz), 2100 A (60 Hz)

Gate trigger voltage max 3 V

Gate trigger current max 150 mA

Hold current max 250 mA

Operating junction temperature -40°C to 125°C

Package POW-R-BLOK module, chassis mount

RoHS compliant

Key Advantages

High voltage margin for robust AC switching at up to 1 kV

Strong surge capability for demanding starts and transients

Simple gate drive requirements for reliable triggering

Isolated module helps simplify mounting and system grounding

Durable construction for industrial environments

Broad application fit across motor control, heating, and power regulation

Packaging

Type POW-R-BLOK power module, bulk packing for production use

Mounting Chassis/heatsink mount with screw hardware (refer to datasheet for recommended torque and hardware)

Case and base Isolated molded case with metal baseplate designed for efficient heat spreading

Size Standard Powerex POW-R-BLOK footprint; see datasheet for exact dimensions and hole pattern

Pin configuration Dual SCR arrangement with power terminals and control (gate/cathode) terminals; check the datasheet for terminal labels and wiring

Thermal characteristics Junction temperature range -40°C to 125°C; use proper heatsinking and thermal interface material; consult datasheet for thermal resistance and derating

Electrical properties As listed above for VDRM, IT(AV), IT(RMS), ItsM, Vgt, Igt, Ih; verify final design values against the datasheet

Lifecycle

Status No public end‑of‑life notice identified at this time

Alternatives Specific drop‑in equivalents depend on pinout, isolation, and thermal needs. The CD431090 family indicates related variants by suffix (for example other CD431090x options). For precise cross‑references and second sources, please contact our sales team via the Y-IC website. We will match electrical ratings, package, and performance to your requirements.

Key Application Areas

Motor soft starters and AC motor controllers

Heater and oven power control, phase angle regulation

Industrial power regulators and AC switches

High-power rectifiers and controlled rectification

UPS, power conversion front ends, and battery chargers

Welding equipment and large inductive load switching

Fan, pump, and compressor speed control

Resistive and inductive load management in HVAC and process control

Datasheet

Y-IC hosts the most authoritative datasheet for this model. For full specifications, pinout, mechanical drawing, and thermal data, download the datasheet from this page now.

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