P6SMB220A-M3/52 Equivalent & Substitute Parts

Part Overview

The P6SMB220A-M3/52 is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 185V reverse standoff voltage class and provides transient protection in general purpose applications. The part is active in production with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified to address packaging availability, inventory requirements, and manufacturer sourcing flexibility while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	185	V
Voltage - Breakdown (Min)	209	V
Voltage - Clamping (Max) @ Ipp	328	V
Current - Peak Pulse (10/1000µs)	1.8	A
Power - Peak Pulse	600	W
Operating Temperature Range	-65 to 150	°C (TJ)
Package / Case	DO-214AA (SMB)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the P6SMB220A-M3/52 is determined by the following criteria:

Electrical Parameters (Must Match):

Voltage - Reverse Standoff (Typ): 185V
Voltage - Breakdown (Min): 209V
Voltage - Clamping (Max) @ Ipp: 328V
Package / Case: DO-214AA (SMB)
Mounting Type: Surface Mount
Unidirectional Channels: 1
Type: Zener

Allowable Variations:

Current - Peak Pulse: ±0.1A tolerance permitted (1.8A nominal)
Operating Temperature Range: Minimum -55°C acceptable (original -65°C)
Packaging Format: Tape & Reel (TR), Cut Tape (CT), or Tape & Box (TB) are interchangeable for the same component
Manufacturer: Different manufacturers acceptable if electrical specifications match

Non-Substitutable Parameters:

Voltage class
Package type (DO-214AA / SMB is fixed)
Clamping voltage specification
Unidirectional configuration

Parameter Comparison

Parameter	P6SMB220A-M3/52 (Main)	P6SMB220A-E3/52 (Substitute)	P6SMB220A - Eaton (Substitute)
Manufacturer	Vishay	Vishay	Eaton
Voltage - Reverse Standoff (Typ)	185V	185V	185V
Voltage - Breakdown (Min)	209V	209V	209V
Voltage - Clamping (Max) @ Ipp	328V	328V	328V
Current - Peak Pulse (10/1000µs)	1.8A	1.8A	1.9A
Power - Peak Pulse	600W	600W	600W
Operating Temperature Range	-65 to 150°C	-65 to 150°C	-55 to 150°C
Package / Case	DO-214AA (SMB)	DO-214AA (SMB)	DO-214AA (SMB)
Packaging Format	Tape & Box (TB)	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant
Product Status	Active	Active	Active

Engineering Selection Recommendations

P6SMB220A-E3/52 (Vishay, Tape & Reel): This substitute is electrically and mechanically identical to the main part. The only difference is packaging format (Tape & Reel versus Tape & Box). Selection is appropriate when reel-based inventory management is preferred or when higher stock availability (35,190 pcs) is required. RoHS3 compliance is maintained.

P6SMB220A (Eaton, Cut Tape & Digi-Reel®): This substitute meets all critical electrical parameters with a minor increase in peak pulse current (1.9A versus 1.8A nominal), which is within acceptable tolerance for this component class. The operating temperature minimum is -55°C instead of -65°C; this is acceptable for applications not requiring extended low-temperature operation. RoHS compliance is confirmed. Selection is appropriate for applications where Eaton sourcing is preferred or when alternative manufacturer qualification is required.

All three parts maintain identical voltage specifications, clamping characteristics, and surface mount DO-214AA package compatibility. Product status is active for all options, ensuring long-term availability.

Frequently Asked Questions (FAQ)

Q: Can P6SMB220A-E3/52 be used as a direct replacement for P6SMB220A-M3/52?

A: Yes. Both parts are manufactured by Vishay with identical electrical specifications. The difference is packaging format: Tape & Reel (E3/52) versus Tape & Box (M3/52). Electrical performance and PCB compatibility are unchanged.

Q: What is the difference between the Vishay and Eaton versions?

A: The Eaton P6SMB220A has a peak pulse current rating of 1.9A compared to 1.8A for Vishay versions, and a minimum operating temperature of -55°C instead of -65°C. All voltage parameters are identical. The Eaton part is suitable for applications not requiring operation below -55°C.

Q: Are packaging format differences significant for PCB assembly?

A: No. Tape & Box (TB), Tape & Reel (TR), and Cut Tape (CT) are packaging and delivery formats only. They do not affect component performance, soldering, or PCB layout. Format selection depends on assembly line equipment and inventory management preferences.

Q: Do all substitute parts have the same RoHS compliance?

A: The Vishay parts (main and P6SMB220A-E3/52) are ROHS3 compliant. The Eaton P6SMB220A is RoHS compliant. Both certifications meet current regulatory requirements for electronic components.

Q: Can I mix manufacturers in the same circuit board design?

A: Yes. All three parts meet the same electrical specifications for the 185V voltage class and DO-214AA package. Mixing manufacturers is acceptable from an electrical and mechanical standpoint. Verify with your procurement and quality assurance processes for any internal qualification requirements.

Q: What inventory considerations apply to these substitutes?

A: P6SMB220A-E3/52 has the highest stock availability (35,190 pcs), followed by the Eaton version (36,190 pcs). The main part (P6SMB220A-M3/52) has 747 pcs in stock. Lead time and availability may influence substitute selection for high-volume production.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message