Sanghvi Electronics

1. General Overview:

The DD100KB160 is a high‑power discrete diode module manufactured by SanRex Corporation. It is not an IGBT module — instead it’s designed as a rectifier diode pair module for high‑voltage DC conversion applications.

• Device Type: Diode module / rectifier module

• Configuration: Two diodes in series within one package

• Application Class: Power electronics rectification

• Mounting Style: Chassis / heatsink mount module

Designed for industrial power supplies, rectifier bridges, motor drives, and battery chargers — wherever AC needs conversion to DC at high power.

2. Electrical Ratings �� Voltage Ratings:

• Repetitive DC Reverse Voltage (V_R): 1600 V

• Non‑Repetitive Peak Reverse Voltage: ~1700 V typical per diode series pair (datasheet series values)

 Current Ratings:

• Average Rectified Current (I_O, per diode): 100 A

• RMS Forward Current: ~155 A (1‑phase, half‑wave, Tc = 105 °C)

• Surge Forward Current (I_FSM): ~1800–2000 A (½ cycle, 50/60 Hz non‑repetitive)

• I²t Surge Rating: ~16 500 A²·s (one cycle)

High surge capability makes it suitable for transformer‑fed rectifiers and power supply front ends.

3. Conduction & Recovery Characteristics:

• Forward Voltage Drop (V_F): ~1.35 V at 320 A (junction measurement)

• Reverse Leakage Current (I_RRM): ~30 mA @ 1600 V

• Recovery Speed: Standard recovery (typically >500 ns)

Designed for standard rectifier performance, not high‑speed switching.

4. Thermal & Environmental Ratings:

• Operating Junction Temperature (T_J): –40 °C to +150 °C

• Storage Temperature: –40 °C to +125 °C (datasheet series)

• Thermal Resistance (junction‑to‑case): ~0.35 °C/W per diode

High temperature range supports harsh industrial conditions.

5. Mechanical & Construction:

• Package Type: Module with isolated base — chassis/heatsink mount

• Mounting Hardware: Screws (typically M6 for power terminals) with recommended torque values specified in datasheet series

• Isolation Base: Electrically isolated from heatsink for easier assembly

Robust construction simplifies thermal management and mechanical integration.

6. Key Features:

• 1600 V DC reverse voltage rating

• 100 A average current per diode

•  High surge current capability (~2000 A)

• Standard recovery diodes suitable for rectifier bridges

• Wide operating temperature range (–40 °C to +150 °C)

• Electrically isolated base for chassis mounting

7. Typical Applications:

• Single‑phase bridge rectifiers

•  Battery chargers

• DC power supplies

•  DC motor drives

•  General industrial power conversion applications

Used wherever AC is rectified to DC at moderate to high power levels.

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