1N945B-1 1N945B-1 is a 11.7V Zener diode from Microchip Technology with ±5% tolerance and 500mW power dissipation. Housed in a DO-35 through-hole package.
Mfr Part #:

1N945B-1

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Mfr Name: Microchip Technology
Microchip Technology
1N945B-1 is a 11.7V Zener diode from Microchip Technology with ±5% tolerance and 500mW power dissipation. Housed in a DO-35 through-hole package.
Total Stock: 1 pcs

1N945B-1 Available from 1 distributor

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1N945B-1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (Zzt)
Impedance (Zzt)
Lead Style
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Power
Power Rating
Reverse Leakage Current
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
Zener Voltage
Zener Voltage Tolerance

1N945B-1 Description

Short technical summary and product information.

The 1N945B-1 is a Zener diode manufactured by Microchip Technology, designed for voltage regulation and protection applications. It features a nominal Zener voltage of 11.7V with a tolerance of ±5%, ensuring consistent performance. The device can dissipate up to 500mW of power, making it suitable for low-power circuits. It has a maximum impedance of 30Ω at the Zener voltage. The reverse leakage current is 15µA at 8V. The diode operates over a junction temperature range of -55°C to 175°C. It is offered in a DO-35 (DO-204AH) axial lead package, designed for through-hole mounting. This package is commonly used for applications requiring reliable thermal performance and mechanical stability. The device is suitable for use in voltage clamping, overvoltage protection, and reference voltage generation in various electronic systems.

1N945B-1 Quick Information

Product Type: Zener Diode
Series: 1N941-1 thru 1N945B-1
Canonical Name: 1N945B-1 Zener Diode, 11.7V, ±5%, 500mW, DO-35
Subcategory: Single Zener Diode

1N945B-1 Compliance

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

1N945B-1 Features

  • 11.7V Zener voltage with ±5% tolerance.
  • 500mW power dissipation rating.
  • 30Ω maximum impedance at Zener voltage.
  • 15µA reverse leakage at 8V.
  • Through-hole DO-35 package.

1N945B-1 Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection for sensitive devices.
  • Reference voltage generation.
  • Use in consumer and industrial electronics.

1N945B-1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N945B-1?

The Zener voltage is 11.7V.

What is the tolerance of the Zener voltage?

The tolerance is ±5%.

What is the power rating of the 1N945B-1?

The power rating is 500mW.

What is the maximum impedance at the Zener voltage?

The maximum impedance is 30Ω.

What is the reverse leakage current?

The reverse leakage current is 15µA at 8V.

What is the operating temperature range?

The operating junction temperature range is -55°C to 175°C.

What package is the 1N945B-1 available in?

The device is available in a DO-35 (DO-204AH) axial through-hole package.

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