1N2985A The 1N2985A is a 10W Zener diode from Solid State Devices Inc (SSDI) in a DO-4 stud mount package. It features a forward voltage of 1.5V at 2A and a reverse leakage current of 5µA at 15.8V.
Mfr Part #:

1N2985A

Available from 1 distributors
Mfr Name: Solid State Devices Inc (SSDI)
Solid State Devices Inc (SSDI)
The 1N2985A is a 10W Zener diode from Solid State Devices Inc (SSDI) in a DO-4 stud mount package. It features a forward voltage of 1.5V at 2A and a reverse leakage current of 5µA at 15.8V.
Total Stock: 15 pcs
$ Price Range: $3.25

1N2985A Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
15 pcs
15 pcs On Request 1 On Request On Request On Request On Request On Request

1N2985A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Impedance (Max) (Zzt)
Industrial Grade
Lead Style
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Style
Tolerance
Voltage
Weight

1N2985A Description

Short technical summary and product information.

The 1N2985A is a 10-watt Zener diode manufactured by Solid State Devices Inc (SSDI). It is designed for voltage regulation applications and is housed in a DO-4 (DO-203AA) stud mount package.

 

This Zener diode offers a power dissipation of 10W at a case temperature of 55°C. It has a forward voltage of 1.5V at 2A forward current, a reverse leakage current of 5µA at 15.8V, and a dynamic impedance of 5Ω. The operating junction temperature range is -65°C to 175°C.

 

The device features a stud mount configuration with a threaded stud for secure mounting. The DO-4 package provides a hermetic seal and is suitable for high-reliability applications. The polarity is standard with the anode connected to the stud. The part is listed as RoHS3 compliant, MSL 1, and REACH unaffected.

1N2985A Quick Information

Product Type: Zener Diode
Series: 1N2985
Canonical Name: 1N2985A Zener Diode, 10W, DO-4 (DO-203AA)
Subcategory: Single Zener Diode

1N2985A Compliance

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

1N2985A Estimated Pricing

Qty Low High
10+ $3.25 $3.25

Estimated market price range - modelled values for guidance only, not live distributor offers.

1N2985A Features

  • 10W power dissipation at 55°C case temperature.
  • Stud mount DO-4 package for secure mounting.
  • Low dynamic impedance of 5Ω.
  • Wide operating temperature range -65°C to 175°C.
  • Forward voltage 1.5V at 2A.

1N2985A Applications

  • Voltage regulation in power supply circuits.
  • Provides overvoltage protection and clamping.
  • High-power industrial and military systems.
  • Use in stud mount high-reliability designs.

1N2985A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the forward voltage of the 1N2985A?

The forward voltage is 1.5V at a forward current of 2A.

What package is the 1N2985A available in?

The 1N2985A is available in a DO-203AA (DO-4) stud mount package.

What is the power dissipation of the 1N2985A?

The power dissipation is 10W at a case temperature of 55°C.

What is the reverse leakage current of the 1N2985A?

The reverse leakage current is 5µA at a reverse voltage of 15.8V.

What is the dynamic impedance of the 1N2985A?

The dynamic impedance is 5Ω.

What is the operating temperature range of the 1N2985A?

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

What is the mounting type of the 1N2985A?

The mounting type is stud mount.

Home
Account

Categories