Overview
The 1N34A is a point contact Germanium diode manufactured by Central Semiconductor Corp. It is packaged in a DO7 type package and is known for its efficient and excellent linearity. This diode is particularly useful in various detection applications such as TV image detection, FM detection, and radio AM detection.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Peak Inverse Voltage, Repetitive | PIV | IR = 1mA | - | - | 65 | V |
| Reverse Voltage DC | VR | - | - | - | 20 | V |
| Peak Forward Surge Current, Non-Repetitive | IFSM | t = 1sec | - | - | 0.5 | A |
| Peak Forward Surge Current, Repetitive | IFSR | - | - | - | 200 | mA |
| Average Rectified Output Current | IO | - | - | - | 50 | mA |
| Operating Junction Temperature | TJ | - | - | - | +75 | °C |
| Storage Temperature Range | Tstg | - | - | - | -55 to +75 | °C |
| Forward Voltage Drop | VF | IF = 5mA | - | - | 1.0 | V |
| Forward Current | IF | VF = 1V | 4 | - | - | mA |
| Reverse Current | IR | VR = 10V | - | - | 30 | μA |
| Junction Capacitance | Cj | F = 1MHz, V = -1V | - | - | 1 | pF |
| Rectification Efficiency | η | Vi = 2Vrms, R = 5KΩ, C = 20pF, f = 40MHz | 55 | - | - | % |
Key Features
- Lower leakage current
- Flat Junction capacitance
- High mechanical strength
- Excellent linearity in detection applications
- Through-hole mounting style
- DO7 package type
Applications
- AM/FM Detector
- Ratio Detector
- FM Discriminators
- TV Audio Detectors
- RF Input Probes
Q & A
- What is the peak inverse voltage of the 1N34A diode?
The peak inverse voltage of the 1N34A diode is 65V.
- What is the reverse voltage DC rating for the 1N34A diode?
The reverse voltage DC rating for the 1N34A diode is 20V.
- What is the peak forward surge current for the 1N34A diode?
The peak forward surge current for the 1N34A diode is 0.5A non-repetitive and 200mA repetitive.
- What is the average rectified output current of the 1N34A diode?
The average rectified output current of the 1N34A diode is 50mA.
- What is the operating junction temperature range for the 1N34A diode?
The operating junction temperature range for the 1N34A diode is up to +75°C.
- What is the storage temperature range for the 1N34A diode?
The storage temperature range for the 1N34A diode is -55°C to +75°C.
- What is the forward voltage drop at 5mA for the 1N34A diode?
The forward voltage drop at 5mA for the 1N34A diode is 1.0V.
- What are the typical applications of the 1N34A diode?
The 1N34A diode is typically used in AM/FM detectors, ratio detectors, FM discriminators, TV audio detectors, and RF input probes.
- What is the junction capacitance of the 1N34A diode?
The junction capacitance of the 1N34A diode is 1 pF at 1MHz and -1V.
- What is the rectification efficiency of the 1N34A diode?
The rectification efficiency of the 1N34A diode is 55% under specified conditions.
