© Semiconductor Components Industries, LLC, 2006

September, 2006 − Rev. 2

1

Publication Order Number:

MR4027/D

MR4027

Automotive Transient

Voltage Suppressor

20 V – 27 V

Designed for Automotive Applications (Alternator) requiring

Reverse Avalanche Capability for use as Transient Voltage

Suppressor. Developed to suppress transients in automotive systems,

this device operates in the forward mode as Standard Rectifier or in

Reverse as Transient Voltage Suppressor for Centralized Protection.

For further information referring to Mounting or Operating

Conditions, contact your nearest ON Semiconductor Sales

Representative.

Mechanical Characteristics

All External Surfaces are Corrosion Resistant

Packaging/Labeling

Marking

MAXIMUM RATING

Rating

Symbol

Value

Unit

DC Blocking Voltage

18

Volts

Average Forward Current

(Single Phase, Resistive Load,

40

Amps

Peak Repetitive Reverse Surge Current

110

50

Amps

Non−Repetitive Peak Surge Current

(Halfwave, Single Phase, 50 Hz)

500

Amps

Storage Temperature Range

−40 to

+200

°C

Maximum Operating Junction

Temperature

200

°C

Device

Package

Shipping

ORDERING INFORMATION

N SUFFIX

(Anode to Cup)

P SUFFIX

(Cathode to Cup)

CASE 193A

http://onsemi.com

MR4027N

Button Can

5000 Units/Box

MR4027P

Button Can

5000 Units/Box

MARKING DIAGRAM

NL

= Location Code

1N or 1P = Device Code and Polarity

YY

= Year

WW

= Work Week

###

= Assembly Lot Number