2N4852 The 2N4852 is a silicon PN unijunction transistor from Central Semiconductor Corp, designed for timing, sensing, and trigger circuits. Key specifications include intrinsic standoff ratio of 0.70 to 0.85 and interbase resistance of 4.7 to 9.1 kΩ.
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2N4852

Available from 1 distributors
Mfr Name: Central Semiconductor Corp
Central Semiconductor Corp
The 2N4852 is a silicon PN unijunction transistor from Central Semiconductor Corp, designed for timing, sensing, and trigger circuits. Key specifications include intrinsic standoff ratio of 0.70 to 0.85 and interbase resistance of 4.7 to 9.1 kΩ.
Total Stock: 3,362 pcs

2N4852 Available from 1 distributor

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2N4852 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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2N4852 Description

Short technical summary and product information.

The Central Semiconductor 2N4852 is a silicon PN unijunction transistor designed for timing, sensing, and trigger circuits.

 

Key electrical characteristics include an intrinsic standoff ratio of 0.70 to 0.85 (VB2B1=10V), interbase resistance of 4.7 to 9.1 kΩ (VB2B1=3V), emitter reverse current of 100 nA maximum, peak point current of 2 µA maximum, valley current of 4 mA maximum, and typical base 1 to emitter voltage of 5 V.

 

Maximum ratings are: emitter reverse voltage 30 V, interbase voltage 35 V, RMS emitter current 50 mA, peak emitter current 1.5 A (duty cycle ≤1%, PRR≤10pps), power dissipation 300 mW, operating junction temperature -65 to +125 °C, and storage temperature -65 to +200 °C.

 

The device is housed in a TO-18 (UJT) metal can package with through-hole mounting and 3 leads. It is suitable for timing circuits, sensing applications, and trigger circuits.

2N4852 Quick Information

Product Type: Unijunction Transistor
Canonical Name: 2N4852 Silicon PN Unijunction Transistor
Subcategory: Unijunction Transistor

2N4852 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

2N4852 Features

  • Intrinsic standoff ratio of 0.70 to 0.85.
  • Interbase resistance from 4.7 to 9.1 kΩ.
  • Maximum power dissipation of 300 mW.
  • TO-18 metal can through-hole package.
  • Operating temperature range -65 to +125°C.

2N4852 Applications

  • Ideal for timing circuit applications.
  • Used in sensing and detection circuits.
  • Suitable for trigger and pulse generation.
  • Applicable in relaxation oscillator designs.

2N4852 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum operating voltage for the 2N4852?

The maximum emitter reverse voltage is 30 V and the maximum interbase voltage is 35 V.

What package does the 2N4852 come in?

The 2N4852 is available in a TO-206AA, TO-18-3 Metal Can package (through-hole).

What is the operating temperature range of the 2N4852?

The operating junction temperature range is -65 to +125 °C.

Is the 2N4852 RoHS compliant?

The 2N4852 is listed as RoHS3 Compliant, but this status is unverified.

What is the intrinsic standoff ratio of the 2N4852?

The intrinsic standoff ratio is 0.70 to 0.85 at VB2B1=10V.

What is the interbase resistance of the 2N4852?

The interbase resistance is 4.7 to 9.1 kΩ at VB2B1=3V.

What is the peak emitter current rating of the 2N4852?

The peak emitter current is 1.5 A maximum (duty cycle ≤1%, PRR≤10pps).

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