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Product Detailed Parameters
- Description：DIODE ARRAY GP 30V 50MA SOT23-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Diode Configuration：1 Pair Common Cathode
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：30 V
- Current - Average Rectified (Io) (per Diode)：50mA
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 50 mA
- Speed：Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr)：1 ns
- Current - Reverse Leakage @ Vr：50 nA @ 20 V
- Operating Temperature - Junction：150°C (Max)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The onsemi MMBD1704A is a small signal diode from the MMBD1700 series, housed in an SOT-23 package. It features a maximum repetitive reverse voltage of 30 V and an average rectified forward current of 50 mA. The device supports a non-repetitive peak forward surge current of 250 mA with a 1.0-second pulse width. Electrical characteristics include a breakdown voltage of 30 V at 5.0 µA reverse current, a maximum reverse current of 50 nA at 20 V, and a total capacitance of 1.0 pF at 0 V and 1.0 MHz.
Feature Summary
- Dual configuration available within the MMBD1700 series family
- High-speed switching capability with low reverse recovery time
- Low junction-to-ambient thermal resistance for efficient heat dissipation
- Compact surface-mount design suitable for space-constrained applications
Applications
- General purpose switching circuits
- Signal demodulation
- Clamping and protection applications
Procurement Notes
Verify the specific datasheet revision (Rev. B1) and manufacturer origin (Fairchild/ON Semiconductor) to ensure component compatibility. Confirm that the SOT-23 package dimensions align with your PCB footprint requirements. Check for RoHS compliance status if required by your manufacturing standards. Ensure the operating temperature range meets your environmental specifications.
Selection Notes
Select this component when a compact dual-diode solution or high-speed single diode is needed. The 30 V rating suits low-voltage logic interfaces. Consider the 50 mA continuous current limit for load requirements. Evaluate the 1.0 pF capacitance for high-frequency signal integrity needs compared to higher-capacitance alternatives.
Part Context
This part belongs to the MMBD1700 series, which includes variants like MMBD1701, 1703, and 1705. These devices share similar electrical characteristics but differ in internal connection diagrams (common cathode vs. common anode). The series is designed for general-purpose small-signal applications requiring fast switching speeds in a miniature surface-mount package.
Replacement Considerations
Check for direct equivalents within the MMBD170x series based on the required pin configuration. Verify that any substitute maintains the 30 V reverse voltage and 50 mA forward current ratings. Ensure the replacement package matches the SOT-23 form factor for board compatibility.
