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Product Detailed Parameters
- Description：MOSFET N/P-CH 20V 0.7A SC70-6
- Series：TrenchFET®
- Mfr：Vishay Siliconix
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：MOSFET (Metal Oxide)
- Configuration：N and P-Channel
- FET Feature：-
- Drain to Source Voltage (Vdss)：20V
- Current - Continuous Drain (Id) @ 25°C：700mA (Ta), 700mA (Tc), 400mA (Ta), 500mA (Tc)
- Rds On (Max) @ Id, Vgs：390mOhm @ 700mA, 4.5V, 850mOhm @ 400mA, 4.5V
- Vgs(th) (Max) @ Id：1.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：1.8nC @ 10V, 3nC @ 10V
- Input Capacitance (Ciss) (Max) @ Vds：38pF @ 10V, 43pF @ 10V
- Power - Max：290mW (Ta), 340mW (Tc)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SC-70-6
- Grade：-
- Qualification：-
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Overview
The Vishay Siliconix SI1553CDL-T1-BE3 is a dual N- and P-channel MOSFET in an SC-70 (SOT-363) package. It features a TrenchFET power structure with 100% Rg testing. The N-channel provides a maximum on-resistance of 0.850 Ω at VGS = -4.5 V, while the P-channel offers 0.390 Ω at VGS = ± 4.5 V. Continuous drain currents are rated at 0.7 A for the N-channel and -0.5 A for the P-channel at TC = 25 °C. Gate-source voltage limits are ± 12 V, and the operating junction temperature range spans from -55 °C to +150 °C.
Feature Summary
- TrenchFET power MOSFET technology
- Dual configuration integrating N- and P-channel devices
- 100% gate resistance tested
Applications
- Load switch
- DC/DC converter
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm compliance details. The BE3 suffix indicates lead-free and halogen-free construction. Confirm that the component meets RoHS requirements by referencing the manufacturer's material categorization definitions. Ensure the procurement channel sources directly from authorized distributors to maintain product integrity.
Selection Notes
Select this component for applications requiring a compact dual-channel solution in a 6-lead SC-70 package. Evaluate thermal performance based on the specified junction-to-ambient resistance values. Verify that the required gate drive voltages align with the threshold specifications for both channels. Consider the low continuous current ratings when designing the load circuitry.
Part Context
This device belongs to the Vishay Siliconix LITTLE FOOT series of dual-channel MOSFETs. It utilizes a specialized Alloy 42 lead-frame designed to minimize footprint while maintaining electrical characteristics. The SC-70 package is optimized for small-signal applications where space constraints are critical.
Replacement Considerations
Check for direct equivalents within the Vishay LITTLE FOOT family that share the SC-70-6 footprint. Verify pinout compatibility and ensure that replacement parts meet or exceed the original voltage and current ratings.
