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1N3311B The 1N3311B is a 50W Zener diode with a nominal Zener voltage of 12V and ±5% tolerance, housed in a DO-5 (DO-203AB) stud mount package.
Mfr Part #:

1N3311B

Available from 1 distributors
Mfr Name: Solid State Devices Inc (SSDI)
Solid State Devices Inc (SSDI)
The 1N3311B is a 50W Zener diode with a nominal Zener voltage of 12V and ±5% tolerance, housed in a DO-5 (DO-203AB) stud mount package.
✓ Total Stock: 11 pcs

1N3311B Available from 1 distributor

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✓ Non-Authorised
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Bristol Electronics ✓
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11 pcs
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1N3311B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (Zzt)
Lead Style
Military Grade
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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1N3311B Description

Short technical summary and product information.

The 1N3311B is a 50-watt Zener diode designed for voltage regulation in high-power applications. It features a nominal Zener voltage of 12V with a tolerance of ±5% (B suffix). The device offers a low Zener impedance of 1 Ω and a maximum forward voltage of 1.5V at 10A.

 

This diode is housed in a hermetically sealed DO-5 (DO-203AB) package with a stud mount configuration, designed for secure mounting and effective heat transfer. It has a maximum reverse leakage current of 5 µA at 9.1V and an operating junction temperature range of -65°C to 175°C.

 

The 1N3311B is suitable for power supply regulation, voltage clamping, and other high-current Zener diode applications requiring stable voltage reference.

1N3311B Quick Information

Product Type: Zener Diode
Series: 1N3311B
Canonical Name: 1N3311B Zener Diode, 12V, 50W, DO-5
Subcategory: Diodes - Zener - Single

1N3311B Compliance

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

1N3311B Features

  • Nominal Zener voltage of 12 volts.
  • Power dissipation rating of 50 watts.
  • Low Zener impedance of 1 ohm.
  • DO-5 stud mount hermetically sealed package.
  • Operating temperature range -65°C to 175°C.

1N3311B Applications

  • Voltage regulation in high-power DC supplies.
  • Overvoltage protection and clamping circuits.
  • Industrial power control and conversion systems.
  • High-reliability military and aerospace equipment.

1N3311B FAQs

5 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N3311B?

The nominal Zener voltage is 12V.

What is the power dissipation of the 1N3311B?

The maximum power dissipation is 50W.

What is the operating temperature range?

The operating junction temperature range is -65°C to 175°C.

What package type is the 1N3311B available in?

It is available in a DO-5 (DO-203AB) stud mount package.

What is the Zener voltage tolerance of the 1N3311B?

The tolerance is ±5%.

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