RT7736BGE Equivalent & Substitute Parts

Part Overview

The RT7736BGE is an offline switching flyback converter IC manufactured by Richtek USA Inc., designed for isolated power management applications. This PMIC operates at 65kHz switching frequency with integrated current limiting, overload, overvoltage, and short circuit protection. The device is actively produced and widely used in offline power supply designs requiring compact surface-mount solutions in SOT-23-6 packaging.

Substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or packaging format preferences while maintaining identical electrical and mechanical performance characteristics.

Substiute Parts

RT7736BGE

Richtek USA Inc.In Stock: 4322RT7736BGE Datasheet

Current PartRFQ

RT7736GGE

Richtek USA Inc.In Stock: 4206RT7736GGE Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RT7736BGE are identified based on strict parametric equivalence within the SmartJitter™ series. The substitution criteria are limited to the following electrical and mechanical parameters:

• Topology: Flyback converter architecture
• Output Isolation: Isolated configuration
• Voltage Supply Range: 12V ~ 25V
• Startup Voltage: 14.5V
• Switching Frequency: 65kHz
• Duty Cycle: 75%
• Fault Protection: Current Limiting, Over Load, Over Voltage, Short Circuit
• Operating Temperature: -40°C ~ 85°C
• Package: SOT-23-6
• Mounting: Surface Mount

Parts meeting all these criteria are classified as parametric equivalents and may be substituted without circuit redesign or performance degradation.

Parameter Comparison

Engineering Selection Recommendations

Both RT7736BGE and RT7736GGE are active products from Richtek USA Inc. with identical electrical specifications and mechanical compatibility. Selection between these parts should be based on:

• Packaging format availability: RT7736BGE is supplied in standard packaging, while RT7736GGE is available in Cut Tape (CT) and Digi-Reel® formats
• Inventory status and lead time requirements
• Supply chain logistics and procurement preferences
• Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility in target applications

Frequently Asked Questions (FAQ)

Q: Can RT7736GGE be used as a direct replacement for RT7736BGE?

A: Yes. Both parts share identical electrical parameters, switching characteristics, protection features, and SOT-23-6 package specifications. Direct substitution is possible without circuit modification.

Q: What is the difference between RT7736BGE and RT7736GGE?

A: The primary difference is packaging format. RT7736BGE uses standard packaging, while RT7736GGE is supplied in Cut Tape (CT) and Digi-Reel® formats. Electrical and mechanical specifications are identical.

Q: Are there any thermal or performance differences between these parts?

A: No. Both parts operate across the same temperature range (-40°C ~ 85°C) and deliver identical switching frequency (65kHz), duty cycle (75%), and fault protection capabilities.

Q: Do both parts require the same PCB layout and component values?

A: Yes. Identical electrical specifications and SOT-23-6 pinout ensure that both parts function with the same external component values and PCB layout without modification.

Q: Are both parts RoHS compliant?

A: Yes. Both RT7736BGE and RT7736GGE are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for industrial and consumer applications.