100A 65A 40A Ideal Diode Module No‑Ground Anti‑Reverse Current Anti‑Backfeed Protection for Solar Charging Battery Power System

High-concerned chemical : none Voltage : 9v is_d : Yes Max. Reverse Current : 60A Max. Forward Current : 60A Max. Reverse Voltage : 100A Max. Forward Voltage : 40V Package Type : Surface mount Model Number : Ideal Diode Module Type : Rectifier Diode Brand Name : diymore Origin : Mainland China Condition : New

Features 1. Supports three high-current settings (40A, 65A, 100A) to meet the application needs of various power scenarios 2. Groundless design—simply connect in series with the positive terminal to reduce system complexity 3. No voltage restrictions; compatible with mainstream solar panels and battery packs 4. Backflow and reverse connection protection to safeguard circuits from reverse current damage 5. Rapid response to reverse polarity within 2 μs, ensuring extremely fast reaction times 6. Features low internal resistance, low heat generation, low power loss, and high efficiency

Main Applications 1. Power supply reverse connection protection: For automotive, industrial, and lithium-ion battery systems, preventing circuit damage caused by reverse voltage 2. Low-loss unidirectional conduction: Replaces Schottky diodes (which cannot be used in rectifier circuits) in high-current applications, significantly reducing voltage drop and heat generation 3. Backflow prevention and multi-power-supply parallel operation: Enables redundant power supply, prevents current backflow, and features zero standby power consumption Parameter Number of MOSFETs in the 40A version: 1 Reverse voltage: ≤40V Minimum input voltage: ≥1V Maximum input voltage: Unlimited Peak current: 60A Operating Current: 40A MOSFET On-Resistance: ≈0.9 mΩ Reverse Turn-Off Response Time: 2 μs Reverse Leakage Current: ≈110 μA 65A Version Number of MOSFETs: 2 Parallel Reverse Voltage: ≤40V Minimum Input Voltage: ≥1V Maximum Input Voltage: Unlimited Peak Current: 80A Operating Current: 65A MOSFET On-Resistance: ≈0.45 mΩ Reverse Turn-Off Response Time: 2 μs Reverse Leakage Current: ≈110 μA 100A Version Number of MOSFETs: 4 in parallel Reverse voltage: ≤40V Minimum input voltage: ≥1V Maximum input voltage: Unlimited Peak current: 150A Operating Current: 100A MOSFET On-Resistance: ≈0.22 mΩ Reverse Turn-Off Response Time: 2 μs Reverse Leakage Current: ≈110 μA

Precautions 1. Do not exceed the maximum operating current during use; allow a 20% margin. 2. Do not exceed the module’s maximum reverse voltage; considering voltage spikes, a 30% margin must be allowed. 3. The module must not be used as a freewheeling diode in AC circuits. 4. Ensure proper heat dissipation to prevent the module temperature from exceeding 110°C; otherwise, the MOSFET drive will fail. A heat sink can be attached to the back of the module to dissipate heat and lower the operating temperature

Important Notes for Use Note that although the module has no forward voltage limit, it does have a reverse voltage limit. (Ensure the reverse voltage remains below 40 V.) Since the module operates without requiring a ground connection, it offers a clear advantage over modules that do require grounding; it can be connected in series directly into the circuit like a diode. While the quiescent current is 0, there are also disadvantages. If your application is sensitive to the following factors, this module is not suitable: 1. Sensitivity to output voltage fluctuations: During operation, the module experiences temporary voltage drops exceeding 0.3V; these typically do not exceed 0.7V. This occurs for a very brief period—approximately 2% of the total operating time. In other words, for every 100 seconds of operation, there are about 2 seconds during which the voltage drop exceeds 0.3V, though each instance of a significant drop lasts less than 40 ms. 2. Devices with an operating current less than 10 mA that are sensitive to voltage fluctuations (cannot tolerate fluctuations of approximately 0.4 V, although actual measurements show fluctuations around 0.3 V). A small current will flow through the reverse-current protection circuit. This means that when you connect the output port to the input power source, a voltage can be detected at the module’s input port, but the current flowing through is approximately 110 μA. Most load devices can pull this voltage down. 3. Not suitable for devices operating on very low currents, such as microcontrollers. It cannot replace the freewheeling diode in a switching power supply, but it can be used for reverse current protection.

Package include Idea Diode Module *1 (model of your choice)

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