Contact Us:00852-30501886 Email:sales@allicdata.com
Sitemap How to buy Login / Register
USD
USA EN
Cart(0)
Products Manufacturers Authorized Agent Send RFQ Blog（news） About us
Home> Products>

Search Result:microwave

 --2864 Item(s)

Related Categories

RF/IF and RFID
Attenuators
RF Accessories
RF Directional Coupler
RF Amplifiers
RF Power Dividers/Splitters
RF Evaluation and Development ...
RF Mixers
RF Misc ICs and Modules
Connectors, Interconnects
Coaxial Connectors (RF)
Coaxial Connectors (RF) - Adap...
Coaxial Connectors (RF) - Term...
Coaxial Connectors (RF) - Acce...
Contacts - Multi Purpose
Coaxial Connectors (RF) - Cont...
Kits
Capacitor Kits
Cable Assemblies
Coaxial Cables (RF)
Capacitors
Ceramic Capacitors
Filters
EMI/RFI Filters (LC, RC Networ...
Tools
Insertion, Extraction
Relays
High Frequency (RF) Relays
Signal Relays, Up to 2 Amps
Resistors
Resistor Networks, Arrays
Hardware, Fasteners, Accessories
Labels, Labeling
Uncategorized
Miscellaneous
Cables, Wires
Coaxial Cables (RF)
Audio Products
Alarms, Buzzers, and Sirens
Discrete Semiconductor Products
Transistors - Bipolar (BJT) - ...
Transistors - FETs, MOSFETs - ...
Test and Measurement
Equipment - Environmental Test...
Development Boards, Kits, Progra...
Evaluation Boards - Expansion ...
Sensors, Transducers
Proximity/Occupancy Sensors - ...
Photo Allicdata Part# Mft.Part# Company Spec. QTY. Pricing(USD) PDF
PWD-5522-04-TNC-79 PWD-5522-04-TNC
-79-ND		 PWD-5522-04-TNC
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Insertion Loss: 1dB
 Frequency: 2GHz ~ 8GHz
 Specifications: Isolation (Min) 18dB
 Size / Dimension: 3.000" L x 2.000" W (76.20mm x 50.10mm)
 Package / Case: Module
1000
Order

1+:

$0

 PWD-5522-04-TNC-79-ND Datasheet
TRM-2002-0C-7MM-02 TRM-2002-0C-7MM
-02-ND		 TRM-2002-0C-7MM
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Part Status: Active
 Lead Free Status / RoHS Status: Lead free / RoHS Compliant
 Connector Style: 7mm Precision
 Moisture Sensitivity Level (MSL): 1 (Unlimited)
 Connector Type: Plug, Non-Gendered
 Frequency - Max: 18GHz
 Impedance: 50 Ohms
 Mounting Type: Free Hanging, Cap
 Features: Chain
 Body Material: Stainless Steel
1000
Order

1+:

$0

 TRM-2002-0C-7MM-02-ND Datasheet
ATT-0219-20-NNN-02 652-1006-ND ATT-0219-20-NNN
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Series: N Type
 Packaging: Bulk
 Part Status: Active
 Attenuation Value: 20dB
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Impedance: 50 Ohms
 Package / Case: N-Type In-Line Module
64
Order

1+:

$69.2937

10+:

$65.2176

25+:

$63.1796

50+:

$59.1035

100+:

$55.8426

 652-1006-ND Datasheet
ATT-0640-03-29M-02 652-1011-ND ATT-0640-03-29M
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Series: SMK
 Packaging: Bulk
 Part Status: Active
 Attenuation Value: 3dB
 Frequency Range: 0Hz ~ 40GHz
 Power (Watts): 1W
 Package / Case: 2.92mm In-Line Module
33
Order

1+:

$125.527

10+:

$121.341

25+:

$112.972

50+:

$111.299

 652-1011-ND Datasheet
M3933/16-05N M3933/16-05N-ND M3933/16-05N Cinch Connectivity Solutions Midwest Microwave
View more  Series: Military, MIL-DTL-M3933
 Packaging: Bulk
 Part Status: Active
 Attenuation Value: 1dB
 Frequency Range: 0Hz ~ 18GHz
 Package / Case: SMA In-Line Module
45
Order

1+:

$81.3834

10+:

$76.5982

25+:

$74.2042

50+:

$69.4172

 M3933/16-05N-ND Datasheet
ATT-290M-30-SMA-02 ATT-290M-30-SMA
-02-ND		 ATT-290M-30-SMA
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 30dB
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Package / Case: SMA In-Line Module
1000
Order

5+:

$70.847

 ATT-290M-30-SMA-02-ND Datasheet
ATT-290M-07-HEX-02 ATT-290M-07-HEX
-02-ND		 ATT-290M-07-HEX
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 7dB
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Package / Case: HEX In-Line Module
1000
Order

5+:

$77.112

 ATT-290M-07-HEX-02-ND Datasheet
ATT-290M-20-HEX-02 ATT-290M-20-HEX
-02-ND		 ATT-290M-20-HEX
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 20dB
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Package / Case: HEX In-Line Module
1000
Order

5+:

$77.112

 ATT-290M-20-HEX-02-ND Datasheet
ATT-0290-16-HEX-02 ATT-0290-16-HEX
-02-ND		 ATT-0290-16-HEX
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 16dB
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Package / Case: HEX In-Line Module
1000
Order

5+:

$81.2574

 ATT-0290-16-HEX-02-ND Datasheet
ATT-0298-08-SMA-02 ATT-0298-08-SMA
-02-ND		 ATT-0298-08-SMA
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 8dB
 Frequency Range: 0Hz ~ 26.5GHz
 Power (Watts): 2W
 Package / Case: SMA In-Line Module
1000
Order

5+:

$81.2574

 ATT-0298-08-SMA-02-ND Datasheet
TRM-2181-F0-SMM-02 TRM-2181-F0-SMM
-02-ND		 TRM-2181-F0-SMM
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Part Status: Active
 Lead Free Status / RoHS Status: Lead free / RoHS Compliant
 Connector Style: SSMA
 Moisture Sensitivity Level (MSL): 1 (Unlimited)
 Connector Type: Jack, Female Socket
 Frequency - Max: 18GHz
 Impedance: 50 Ohms
 Mounting Type: Free Hanging, Cap
 Contact Material: Beryllium Copper
 Contact Finish: Gold
 Body Material: Stainless Steel
 Dielectric Material: Polytetrafluoroethylene (PTFE)
1000
Order

1+:

$0

 TRM-2181-F0-SMM-02-ND Datasheet
PWD-5522-02-TNC-79 PWD-5522-02-TNC
-79-ND		 PWD-5522-02-TNC
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Insertion Loss: 0.5dB
 Frequency: 2GHz ~ 8GHz
 Specifications: Isolation (Min) 20dB
 Size / Dimension: 2.000" L x 1.000" W (50.80mm x 25.40mm)
 Package / Case: Module
1000
Order

1+:

$0

 PWD-5522-02-TNC-79-ND Datasheet
CPL-5221-06-TNC-79 CPL-5221-06-TNC
-79-ND		 CPL-5221-06-TNC
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Coupler Type: Standard
 Frequency: 1GHz ~ 4GHz
 Coupling Factor: 6dB 1dB
 Insertion Loss: 0.5dB
 Power - Max: 50W
 Package / Case: TNC In-Line Module
1000
Order

1+:

$0

 CPL-5221-06-TNC-79-ND Datasheet
ATT-0219-06-NNN-02 652-1010-ND ATT-0219-06-NNN
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Series: N Type
 Packaging: Bulk
 Part Status: Active
 Attenuation Value: 6dB
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Impedance: 50 Ohms
 Package / Case: N-Type In-Line Module
15
Order

1+:

$69.2937

10+:

$65.2176

25+:

$63.1796

50+:

$59.1035

100+:

$55.8426

 652-1010-ND Datasheet
ATT-0292-01-SMA-02 ATT-0292-01-SMA
-02-ND		 ATT-0292-01-SMA
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 1dB
 Frequency Range: 0Hz ~ 8GHz
 Power (Watts): 2W
 Package / Case: SMA In-Line Module
1000
Order

5+:

$56.8701

 ATT-0292-01-SMA-02-ND Datasheet
ATT-290M-00-SMA-02 ATT-290M-00-SMA
-02-ND		 ATT-290M-00-SMA
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Package / Case: SMA In-Line Module
1000
Order

5+:

$70.847

 ATT-290M-00-SMA-02-ND Datasheet
ATT-0298-05-SMA-02 ATT-0298-05-SMA
-02-ND		 ATT-0298-05-SMA
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 5dB
 Frequency Range: 0Hz ~ 26.5GHz
 Power (Watts): 2W
 Package / Case: SMA In-Line Module
1000
Order

5+:

$81.2574

 ATT-0298-05-SMA-02-ND Datasheet
M3933/16-33N M3933/16-33N-ND M3933/16-33N Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 13.5dB
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Impedance: 50 Ohms
 Package / Case: SMA In-Line Module
1000
Order

12+:

$89.8835

 M3933/16-33N-ND Datasheet
M3933/14-24S M3933/14-24S-ND M3933/14-24S Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 31dB
 Frequency Range: 0Hz ~ 12.4GHz
 Impedance: 50 Ohms
 Package / Case: SMA In-Line Module
1000
Order

6+:

$170.1

 M3933/14-24S-ND Datasheet
TRM-2191-M0-BMA-02 TRM-2191-M0-BMA
-02-ND		 TRM-2191-M0-BMA
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Part Status: Active
 Lead Free Status / RoHS Status: Lead free / RoHS Compliant
 Connector Style: BMA
 Moisture Sensitivity Level (MSL): 1 (Unlimited)
 Connector Type: Plug, Male Pin
 Frequency - Max: 18GHz
 Impedance: 50 Ohms
 Mounting Type: Free Hanging, Cap
 Body Material: Stainless Steel
1000
Order

1+:

$133.188

 TRM-2191-M0-BMA-02-ND Datasheet
TRM-2053-FC-NNN-02 TRM-2053-FC-NNN
-02-ND		 TRM-2053-FC-NNN
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Part Status: Active
 Lead Free Status / RoHS Status: Lead free / RoHS Compliant
 Connector Style: F Type
 Moisture Sensitivity Level (MSL): 1 (Unlimited)
 Connector Type: Jack, Female Socket
 Frequency - Max: 12.4GHz
 Impedance: 50 Ohms
 Mounting Type: Free Hanging, Cap
 Features: Chain
1000
Order

1+:

$0

 TRM-2053-FC-NNN-02-ND Datasheet
ATT-0290-74-HEX-02 ATT-0290-74-HEX
-02-ND		 ATT-0290-74-HEX
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 0dB ~ 60dB
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Package / Case: HEX In-Line Module
1000
Order

1+:

$0

 ATT-0290-74-HEX-02-ND Datasheet
CPL-5214-06-NNN-79 CPL-5214-06-NNN
-79-ND		 CPL-5214-06-NNN
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Coupler Type: Standard
 Frequency: 4GHz ~ 8GHz
 Coupling Factor: 6dB 1dB
 Insertion Loss: 0.35dB
 Power - Max: 50W
 Package / Case: N-Type In-Line Module
1000
Order

1+:

$0

 CPL-5214-06-NNN-79-ND Datasheet
CPL-5214-30-NNN-79 CPL-5214-30-NNN
-79-ND		 CPL-5214-30-NNN
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Coupler Type: Standard
 Frequency: 4GHz ~ 8GHz
 Coupling Factor: 30dB 1dB
 Insertion Loss: 0.35dB
 Power - Max: 50W
 Package / Case: N-Type In-Line Module
1000
Order

1+:

$0

 CPL-5214-30-NNN-79-ND Datasheet
PWD-5532-12-SMA-79 PWD-5532-12-SMA
-79-ND		 PWD-5532-12-SMA
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Insertion Loss: 1dB
 Frequency: 2GHz ~ 19GHz
 Specifications: Isolation (Min) 15dB
 Size / Dimension: 5.200" L x 6.000" W (132.10mm x 152.40mm)
 Package / Case: Module
1000
Order

1+:

$0

 PWD-5532-12-SMA-79-ND Datasheet
TRM-2053-F0-NNN-02 TRM-2053-F0-NNN
-02-ND		 TRM-2053-F0-NNN
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Part Status: Active
 Lead Free Status / RoHS Status: Lead free / RoHS Compliant
 Connector Style: F Type
 Moisture Sensitivity Level (MSL): 1 (Unlimited)
 Connector Type: Jack, Female Socket
 Frequency - Max: 12.4GHz
 Impedance: 50 Ohms
 Mounting Type: Free Hanging, Cap
1000
Order

1+:

$93.6936

 TRM-2053-F0-NNN-02-ND Datasheet
TRM-2160-FC-35M-02 TRM-2160-FC-35M
-02-ND		 TRM-2160-FC-35M
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Part Status: Active
 Lead Free Status / RoHS Status: Lead free / RoHS Compliant
 Connector Style: 3.5mm
 Moisture Sensitivity Level (MSL): 1 (Unlimited)
 Connector Type: Jack, Female Socket
 Frequency - Max: 26.5GHz
 Impedance: 50 Ohms
 Mounting Type: Free Hanging, Cap
 Features: Chain
 Body Material: Stainless Steel
1000
Order

1+:

$132.338

 TRM-2160-FC-35M-02-ND Datasheet
ADT-2694-MF-NNN-02 ADT-2694-MF-NNN
-02-ND		 ADT-2694-MF-NNN
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Lead Free Status / RoHS Status: Lead free / RoHS Compliant
 Part Status: Active
 Moisture Sensitivity Level (MSL): 1 (Unlimited)
 Adapter Type: Plug to Jack
 Conversion Type: Same Series
 Adapter Series: N to N
 Center Gender: Female to Male
 Convert From (Adapter End): N Jack, Female Socket
 Convert To (Adapter End): N Plug, Male Pin
 Impedance: 50 Ohm
 Style: Straight
 Mounting Type: Panel Mount
 Mounting Feature: Flange
 Fastening Type: Threaded, Threaded
 Frequency - Max: 18GHz
 Center Contact Plating: Gold
 Body Material: Stainless Steel
 Center Contact Material: Beryllium Copper
 Dielectric Material: Polytetrafluoroethylene (PTFE)
1000
Order

1+:

$73.9305

 ADT-2694-MF-NNN-02-ND Datasheet
ADT-2838-BF-SMF-02 ADT-2838-BF-SMF
-02-ND		 ADT-2838-BF-SMF
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Lead Free Status / RoHS Status: Lead free / RoHS Compliant
 Part Status: Active
 Moisture Sensitivity Level (MSL): 1 (Unlimited)
 Adapter Type: Jack to Jack
 Conversion Type: Between Series
 Adapter Series: BNC to SMA
 Center Gender: Female to Female
 Convert From (Adapter End): BNC Jack, Female Socket
 Convert To (Adapter End): SMA Jack, Female Socket
 Impedance: 50 Ohm
 Style: Straight
 Mounting Type: Panel Mount
 Mounting Feature: Bulkhead
 Fastening Type: Bayonet Lock, Threaded
 Frequency - Max: 4GHz
 Center Contact Plating: Gold
 Includes: 3 pcs - 1 Connector, 1 Lockwasher, 1 Nut
 Body Material: Stainless Steel
 Center Contact Material: Beryllium Copper
 Dielectric Material: Polytetrafluoroethylene (PTFE)
1000
Order

1+:

$84.3444

 ADT-2838-BF-SMF-02-ND Datasheet
PWD-5526-12-TNC-79 PWD-5526-12-TNC
-79-ND		 PWD-5526-12-TNC
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Insertion Loss: 0.4dB
 Frequency: 6GHz ~ 18GHz
 Specifications: Isolation (Min) 15dB
 Size / Dimension: 4.600" L x 6.000" W (116.80mm x 152.400mm)
 Package / Case: Module
1000
Order

1+:

$0

 PWD-5526-12-TNC-79-ND Datasheet
PWD-5526-T2-NNN-79 PWD-5526-T2-NNN
-79-ND		 PWD-5526-T2-NNN
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Insertion Loss: 0.5dB
 Frequency: 6GHz ~ 18GHz
 Specifications: Isolation (Min) 18dB
 Size / Dimension: 1.000" L x 0.250" W (25.40mm x 6.35mm)
 Package / Case: Module
1000
Order

1+:

$0

 PWD-5526-T2-NNN-79-ND Datasheet
CPL-5211-30-SMA-79 CPL-5211-30-SMA
-79-ND		 CPL-5211-30-SMA
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Coupler Type: Standard
 Frequency: 1GHz ~ 2GHz
 Coupling Factor: 30dB 1dB
 Insertion Loss: 0.2dB
 Power - Max: 50W
 Package / Case: SMA In-Line Module
1000
Order

1+:

$0

 CPL-5211-30-SMA-79-ND Datasheet
CPL-5222-06-SMA-79 CPL-5222-06-SMA
-79-ND		 CPL-5222-06-SMA
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Coupler Type: Standard
 Frequency: 2GHz ~ 8GHz
 Coupling Factor: 6dB 1dB
 Insertion Loss: 0.6dB
 Power - Max: 50W
 Package / Case: SMA In-Line Module
1000
Order

1+:

$0

 CPL-5222-06-SMA-79-ND Datasheet
M3933/16-53N M3933/16-53N-ND M3933/16-53N Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 24dB
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Impedance: 50 Ohms
 Package / Case: SMA In-Line Module
1000
Order

12+:

$89.8835

 M3933/16-53N-ND Datasheet
ATT-0523-07-SMA-02 ATT-0523-07-SMA
-02-ND		 ATT-0523-07-SMA
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 7dB
 Frequency Range: 0Hz ~ 18GHz
 Package / Case: SMA In-Line Module
1000
Order

1+:

$0

 ATT-0523-07-SMA-02-ND Datasheet
CPL-5045-30-TNC-79 CPL-5045-30-TNC
-79-ND		 CPL-5045-30-TNC
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Coupler Type: Standard
 Frequency: 1GHz ~ 2GHz
 Coupling Factor: 30dB 1dB
 Insertion Loss: 0.2dB
 Power - Max: 500W
 Package / Case: TNC In-Line Module
1000
Order

1+:

$0

 CPL-5045-30-TNC-79-ND Datasheet
CPL-5221-16-TNC-79 CPL-5221-16-TNC
-79-ND		 CPL-5221-16-TNC
-79		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Coupler Type: Standard
 Frequency: 1GHz ~ 4GHz
 Coupling Factor: 16dB 1dB
 Insertion Loss: 0.5dB
 Power - Max: 50W
 Package / Case: TNC In-Line Module
1000
Order

1+:

$0

 CPL-5221-16-TNC-79-ND Datasheet
ATT-0238-00-SMA-02 ATT-0238-00-SMA
-02-ND		 ATT-0238-00-SMA
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Frequency Range: 0Hz ~ 4GHz
 Power (Watts): 2W
 Impedance: 50 Ohms
 Package / Case: SMA In-Line Module
1000
Order

5+:

$54.1712

 ATT-0238-00-SMA-02-ND Datasheet
ATT-0333-08-SMA-02 ATT-0333-08-SMA
-02-ND		 ATT-0333-08-SMA
-02		 Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 8dB
 Frequency Range: 0Hz ~ 18GHz
 Power (Watts): 2W
 Package / Case: SMA In-Line Module
1000
Order

5+:

$55.2321

 ATT-0333-08-SMA-02-ND Datasheet
M3933/25-06N M3933/25-06N-ND M3933/25-06N Cinch Connectivity Solutions Midwest Microwave
View more  Packaging: Bulk
 Part Status: Active
 Attenuation Value: 6dB
 Frequency Range: 0Hz ~ 2GHz
 Power (Watts): 2W
 Impedance: 50 Ohms
 Package / Case: SMA In-Line Module
1000
Order

17+:

$59.3108

 M3933/25-06N-ND Datasheet
Hot Searches: microwave microwave buzzer microwave diode microwave cable assembly ge microwave diode high voltage diode microwave microwave high voltage diode microwave oven diode