Mfr Part #:

BZY91C20R

Mfr Name: DSI

The DSI BZY91C20R is a 20V Zener Diode with a 100W power dissipation, suitable for voltage regulation applications. It is housed in a DO-5 package.

✓ Total Stock: 20 pcs

$ Price Range: $0.75

BZY91C20R Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Partservice ✓ Non-Authorised Inventory information	20 pcs On Request	20 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

BZY91C20R Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	DSI
Forward Voltage	1.5 V
Mounting Type	Through Hole
Power Dissipation	100 W
Weight	14 g

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BZY91C20R Description

Short technical summary and product information.

The BZY91C20R from Digitron Semiconductors is a Zener Diode designed for voltage regulation across a wide range of operating conditions. This component features a nominal Zener voltage of 20V with a tolerance of ±6% and a maximum steady-state power dissipation of 100W at 25°C. It offers a peak pulse power capability of 5000W at 1mS and a low reverse leakage current of typically less than 1µA above 10V.

The diode is constructed with a glass-passivated junction and is housed in a hermetically sealed DO-5 outline package. This package type is suitable for through-hole mounting. The operating temperature range for this device is -55°C to +175°C, ensuring reliability in demanding environments. The BZY91C20R is part of the BZY91 series, known for its surge capability and excellent clamping characteristics.

Applications for this Zener Diode include providing stable voltage references, overvoltage protection, and general voltage regulation in various electronic circuits. Its robust construction and specified parameters make it a reliable choice for designs requiring consistent voltage control.

BZY91C20R Quick Information

Product Type: TVS Diode

Series: BZY91

Canonical Name: BZY91C20R Zener Diode

Subcategory: Transient Voltage Suppressors

BZY91C20R Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BZY91C20R Estimated Pricing

Qty	Low	High
1+	$0.75	$0.75

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

BZY91C20R Features

20V nominal Zener voltage.
100W steady-state power dissipation.
5000W peak pulse power capability.
DO-5 hermetically sealed package.
Wide -55°C to +175°C operating temperature.

BZY91C20R Applications

Provides stable voltage regulation.
Used for overvoltage protection.
Suitable for transient suppression.
Reference voltage generation.

BZY91C20R FAQs

6 frequently asked questions generated from this part’s specifications.

What is the Zener voltage of the BZY91C20R?

The Zener voltage ranges from 18.8V to 21.2V at a test current of 5.0 mA.

What is the power dissipation rating of the BZY91C20R?

The BZY91C20R has a steady-state power dissipation of 100W at 25°C and 75W at 65°C. It also has a peak pulse power capability of 5000W at 1mS.

What is the operating temperature range for the BZY91C20R?

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

What package is the BZY91C20R supplied in?

The BZY91C20R is supplied in a DO-5 hermetically sealed outline package.

What is the reverse leakage current for the BZY91C20R?

The reverse leakage current is typically less than 1µA above 10V.

What is the Zener voltage tolerance for the BZY91C20R?

The Zener voltage tolerance is ±6%.