SMP1302-003LF

RF Diode Overview

The SMP1302-003LF is a single common-anode silicon PIN diode from the Skyworks SMP1302 series, housed in an SOT-23 package. It features a nominal 50 μm I-region width and low parasitic inductance of 1.5 nH. The device supports a maximum reverse voltage of 200 V and power dissipation of 250 mW at 25 °C lead temperature. Electrical characteristics include a capacitance of 0.3 pF at 30 V reverse bias and 1 MHz frequency. Series resistance varies with forward current: 15 Ω at 1 mA, 3 Ω at 10 mA, and 1.5 Ω at 100 mA, all measured at 100 MHz.

RF Diode Feature Summary

• Low-distortion design optimized for TEE attenuator applications
• Suitable for large-signal switching due to controlled series resistance
• Plastic-packaged surface-mount component rated for high-volume production

RF Diode Applications

• TV distribution systems
• Cellular base stations
• High-volume RF switch circuits
• Attenuator designs operating from 10 MHz to beyond 10 GHz

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via the official Certificate of Conformance. Ensure proper ESD handling protocols are followed during storage and assembly to prevent damage from electrostatic discharge events.

RF Diode Selection Notes

Select this component when a single common-anode configuration is required within an SOT-23 footprint. The 1.5 nH inductance makes it suitable for frequencies extending beyond 10 GHz. Consider the specific series resistance values at varying drive currents to match circuit attenuation or switching requirements.

RF Diode Part Context

This part belongs to the SMP1302 series of plastic-packaged PIN diodes. The series includes various configurations such as single, dual, and quad diodes across multiple packages including SOD-323, SC-79, SC-88, and SOD-882. The SMP1302-003LF specifically denotes the single common-anode variant in the SOT-23 package.

RF Diode Replacement Considerations

SMP1302-040LF (Single Common Cathode, SOD-323)

RF Diode FAQ

What is the carrier lifetime of the SMP1302-003LF?

The carrier lifetime is 0.7 μs when measured at a forward current of 10 mA.

Is the SMP1302-003LF moisture sensitive?

No, the device is rated Moisture Sensitivity Level 1 (MSL1) at 260 °C per JEDEC J-STD-020.

What is the maximum reverse voltage rating?

The absolute maximum reverse voltage rating is 200 V.