Diodes - RF

Category Introduction

RF Diodes are a semiconductor device with two terminals that allows the flow of electricity in one direction and restricts the flow in the other. The devices in this family are used in radio frequency matching circuits for electronic tuning. The diode types are pin, Schottky, and standard, with reverse voltages ranging from 1 to 15,000 volts and current values ranging from 10 mA to 20 A.

Product List

67 Items

Mfr Part #	Quantity Available	UnitPrice	Packaging	Product Status	Diode Type	Voltage - Peak Reverse (Max)	Current - Max	Capacitance @ Vr, F	Resistance @ If, F	Power Dissipation (Max)	Operating Temperature	Package / Case	Supplier Device Package
CLA4603-085LF RF DIODE PIN 45V 2W 3QFN Skyworks Solutions Inc.	124	$2.17	Tape & Reel (TR)	Active	PIN - Single	45V	1.5 A	0.4pF @ 6V, 1MHz	2Ohm @ 10mA, 100MHz	2 W	175°C (TJ)	2-VDFN Exposed Pad	3-QFN (2x2)
SMP1330-085LF RF DIODE PIN 50V 3W 3QFN Skyworks Solutions Inc.	214	$2.15	Tape & Reel (TR)	Active	PIN - Single	50V	200 mA	1pF @ 0V, 1MHz	2Ohm @ 10mA, 100MHz	3 W	175°C (TJ)	2-VDFN Exposed Pad	3-QFN (2x2)
CLA4606-085LF RF DIODE PIN 75V 3W 3QFN Skyworks Solutions Inc.	26	$2.14	Tape & Reel (TR)	Active	PIN - Single	75V	1.5 A	0.38pF @ 6V, 1MHz	2Ohm @ 10mA, 100MHz	3 W	175°C (TJ)	2-VDFN Exposed Pad	3-QFN (2x2)
CLA4605-085LF RF DIODE PIN 60V 1W 3QFN Skyworks Solutions Inc.	312	$2.15	Tape & Reel (TR)	Active	PIN - Single	60V	1.5 A	0.45pF @ 6V, 1MHz	2Ohm @ 10mA, 500MHz	1 W	175°C (TJ)	2-VDFN Exposed Pad	3-QFN (2x2)
MMBD353LT1G DIODE SCHOTTKY 7V 225MW SOT23-3 onsemi	2,328	$0.38	Tape & Reel (TR)	Active	Schottky - 1 Pair Series Connection	7V	-	1pF @ 0V, 1MHz	-	225 mW	-55°C ~ 150°C (TJ)	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)
1N5711W-7-F DIODE SCHOTTKY 70V 333MW SOD123 Diodes Incorporated	749	$0.38	Tape & Reel (TR)	Active	Schottky - Single	70V	15 mA	2pF @ 0V, 1MHz	-	333 mW	-55°C ~ 125°C (TJ)	SOD-123	SOD-123
1N5711 RF DIODE SCHOTTKY 70V 430MW DO35 STMicroelectronics	715	$0.35	Tape & Reel (TR)	Active	Schottky - Single	70V	15 mA	2pF @ 0V, 1MHz	-	430 mW	-65°C ~ 200°C (TJ)	DO-204AH, DO-35, Axial	DO-35
BAT17,215 RF DIODE SCHOTTKY 4V TO236AB Nexperia USA Inc.	1,992	$0.48	Tape & Reel (TR)	Active	Schottky - Single	4V	30 mA	1pF @ 0V, 1MHz	15Ohm @ 5mA, 1kHz	-	100°C (TJ)	TO-236-3, SC-59, SOT-23-3	TO-236AB
MMBD352WT1G RF DIODE SCHOTTKY 7V 200MW SC70 onsemi	1,025	$0.37	Tape & Reel (TR)	Active	Schottky - 1 Pair Series Connection	7V	-	1pF @ 0V, 1MHz	-	200 mW	-55°C ~ 150°C (TJ)	SC-70, SOT-323	SC-70-3 (SOT323)
BAP51-02,115 RF DIODE PIN 60V 715MW SOD523 NXP USA Inc.	1,300	$0.43	Tape & Reel (TR)	Active	PIN - Single	60V	50 mA	0.35pF @ 5V, 1MHz	2.5Ohm @ 10mA, 100MHz	715 mW	-65°C ~ 150°C (TJ)	SC-79, SOD-523	SOD-523
BAP64-04W,115 RF DIODE PIN 100V 240MW SOT323 NXP USA Inc.	433	$0.42	Tape & Reel (TR)	Active	PIN - 1 Pair Series Connection	100V	100 mA	0.35pF @ 20V, 1MHz	1.35Ohm @ 100mA, 100MHz	240 mW	-65°C ~ 150°C (TJ)	SC-70, SOT-323	SC-70
BAP65-03,115 RF DIODE PIN 30V 500MW SOD323 NXP USA Inc.	2,456	$0.35	Tape & Reel (TR)	Active	PIN - Single	30V	100 mA	0.375pF @ 20V, 1MHz	350mOhm @ 100mA, 100MHz	500 mW	-65°C ~ 150°C (TJ)	SC-76, SOD-323	SOD-323
MMBD301LT1G DIODE SCHOTTKY 30V 200MW SOT23-3 onsemi	444	$0.26	Tape & Reel (TR)	Active	Schottky - Single	30V	-	1.5pF @ 15V, 1MHz	-	200 mW	-55°C ~ 125°C (TJ)	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)
BAP64-05W-TP RF DIODE PIN 175V 200MW SOT323 Micro Commercial Co	1,560	$0.34	Tape & Reel (TR)	Active	PIN - 1 Pair Common Cathode	175V	100 mA	0.35pF @ 20V, 1MHz	1.35Ohm @ 100mA, 100MHz	200 mW	-55°C ~ 150°C (TJ)	SC-70, SOT-323	SOT-323
BAP70-02,115 RF DIODE PIN 50V 415MW SOD523 NXP USA Inc.	2,667	$0.34	Tape & Reel (TR)	Active	PIN - Single	50V	100 mA	0.25pF @ 20V, 1MHz	1.9Ohm @ 100mA, 100MHz	415 mW	-65°C ~ 150°C (TJ)	SC-79, SOD-523	SOD-523
PMBD353,215 RF DIODE SCHOTTKY 4V TO236AB Nexperia USA Inc.	1,660	$0.38	Tape & Reel (TR)	Active	Schottky - 1 Pair Series Connection	4V	30 mA	1pF @ 0V, 1MHz	-	-	100°C (TJ)	TO-236-3, SC-59, SOT-23-3	TO-236AB
PMBD353,235 RF DIODE SCHOTTKY 4V TO236AB Nexperia USA Inc.	3,395	$0.10	Tape & Reel (TR)	Active	Schottky - 1 Pair Series Connection	4V	30 mA	1pF @ 0V, 1MHz	-	-	100°C (TJ)	TO-236-3, SC-59, SOT-23-3	TO-236AB
BAP51-02-TP RF DIODE PIN 60V 715MW SOD523 Micro Commercial Co	594	$0.42	Tape & Reel (TR)	Active	PIN - Single	60V	50 mA	0.35pF @ 5V, 1MHz	2.5Ohm @ 10mA, 100MHz	715 mW	-65°C ~ 150°C (TJ)	SC-79, SOD-523	SOD-523
BAP55LX,315 RF DIODE PIN 50V 135MW 2DFN NXP USA Inc.	598	$0.45	Tape & Reel (TR)	Active	PIN - Single	50V	100 mA	0.28pF @ 20V, 1MHz	800mOhm @ 100mA, 100MHz	135 mW	-65°C ~ 150°C (TJ)	2-XDFN	DFN1006D-2
BA591115 BA591 - MIXER DIODE, VERY HIGH F NXP USA Inc.	17,491	$0.05	Bulk	Active	Standard - Single	35V	100 mA	0.9pF @ 3V, 1MHz	500mOhm @ 10mA, 100MHz	500 mW	-65°C ~ 150°C (TJ)	SC-76, SOD-323	SOD-323

About RF Diodes

What are RF Diodes?

RF Diodes

RF Diodes, or Radio Frequency Diodes, are semiconductor devices specifically designed to operate at radio frequencies. They are integral components in RF circuits, serving various functions such as rectification, switching, and signal modulation. The basic operating principle of an RF diode involves the use of a p-n junction, which allows current to flow in one direction while blocking it in the opposite direction. This unidirectional flow of current is crucial for converting alternating current (AC) signals into direct current (DC) signals, a process known as rectification. RF diodes are optimized to handle high-frequency signals, making them essential in wireless communication systems.

Types of RF Diodes

1. Schottky Diodes

Schottky diodes are known for their low forward voltage drop and fast switching speed, making them ideal for high-frequency applications. They are commonly used in RF mixers and detectors due to their ability to efficiently convert RF signals into DC signals.

2. PIN Diodes

PIN diodes are characterized by their wide intrinsic layer, which allows them to function effectively as RF switches and attenuators. They are widely used in RF and microwave circuits for controlling signal amplitude and phase.

3. Varactor Diodes

Varactor diodes, also known as varicap diodes, are used for tuning applications. They exhibit a variable capacitance that changes with the applied reverse voltage, making them suitable for frequency modulation and tuning in RF circuits.

4. Tunnel Diodes

Tunnel diodes are known for their negative resistance region, which allows them to amplify signals at microwave frequencies. They are used in oscillators and amplifiers within RF systems.

How to choose RF Diodes?

When selecting RF diodes, several key parameters must be considered:

Frequency Range: Ensure the diode can operate efficiently within the desired frequency range of your application.
Power Handling: Consider the maximum power the diode can handle without degradation.
Switching Speed: Evaluate the diode's ability to switch quickly, which is crucial for high-speed applications.
Forward Voltage Drop: A lower forward voltage drop is preferable for efficient operation.
Reverse Recovery Time: Shorter recovery times are beneficial for high-frequency applications.

To assess product quality and reliability, review supplier certifications, customer reviews, and product datasheets. Consider environmental factors such as temperature range and humidity, and ensure proper installation to avoid performance degradation.

Applications of RF Diodes

1. Telecommunications

In the telecommunications industry, RF diodes are used in signal modulation and demodulation, frequency mixing, and switching applications. They enable efficient transmission and reception of signals in mobile phones, satellite communications, and radio broadcasting.

2. Consumer Electronics

RF diodes are integral in consumer electronics, such as televisions and radios, where they help in tuning and signal processing. Varactor diodes, in particular, are used for tuning circuits in TV tuners and FM radios.

3. Aerospace and Defense

In aerospace and defense, RF diodes are used in radar systems, electronic warfare, and communication systems. Their ability to handle high-frequency signals makes them suitable for these demanding applications.

4. Medical Equipment

RF diodes are used in medical imaging equipment, such as MRI machines, where they assist in signal detection and processing. Their precision and reliability are crucial for accurate diagnostic imaging.

5. Automotive Industry

In the automotive industry, RF diodes are used in advanced driver-assistance systems (ADAS) and vehicle communication systems. They facilitate the processing of radar signals for collision avoidance and adaptive cruise control.