STRVS222X02F Equivalent & Substitute Parts

Part Overview

The STRVS222X02F is a unidirectional transient voltage suppressor (TVS) diode manufactured by STMicroelectronics, designed for MOSFET protection applications. This component features a 222V maximum clamping voltage and 2A peak pulse current rating in a through-hole DO-201 package. The product is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for continued circuit protection functionality.

Key Parameters

Parameter	Value
Manufacturer Part Number	STRVS222X02F
Manufacturer	STMicroelectronics
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	154V
Voltage - Breakdown (Min)	171V
Voltage - Clamping (Max) @ Ipp	222V
Current - Peak Pulse (10/1000µs)	2A (8/20µs)
Operating Temperature	-55°C ~ 175°C (TJ)
Mounting Type	Through Hole
Package / Case	DO-201AA, DO-27, Axial
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the STRVS222X02F is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

Unidirectional channel configuration (1 channel required)
Voltage - Reverse Standoff within acceptable tolerance of 154V
Voltage - Clamping (Max) @ Ipp in the range of 179V to 219V
Current - Peak Pulse rating of 6.9A to 8.7A
Operating temperature range of -55°C to 175°C (TJ)

Mechanical Compatibility Criteria:

Through-hole mounting type
DO-201 package family (DO-201AA, DO-201AE, DO-27, Axial)
Zener diode type

Compliance Requirements:

ROHS3 compliance or equivalent
REACH unaffected status

Substitute parts are grouped into three voltage classes based on clamping voltage: 179V class (1.5KE130A variants), 207V class (1.5KE150A variants), and 219V class (1.5KE160A variants). Each class represents a distinct voltage protection level suitable for different circuit requirements while maintaining mechanical interchangeability.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Operating Temperature	Package	Product Status
STRVS222X02F	STMicroelectronics	154V	171V	222V	2A (8/20µs)	-55°C ~ 175°C	DO-201AA	Obsolete
1.5KE130A	Taiwan Semiconductor Corporation	111V	124V	179V	8.7A	-55°C ~ 175°C	DO-201AA	Active
1.5KE130A-B	Littelfuse Inc.	111V	124V	179V	8.5A	-55°C ~ 175°C	DO-201AA	Active
1.5KE130A-TP	Micro Commercial Co	111V	124V	179V	8.5A	-55°C ~ 175°C	DO-201AE	Active
1.5KE150A	Taiwan Semiconductor Corporation	128V	143V	207V	7.6A	-55°C ~ 175°C	DO-201AA	Active
1.5KE150A-B	Littelfuse Inc.	128V	143V	207V	7.3A	-55°C ~ 175°C	DO-201AA	Active
1.5KE150A-TP	Micro Commercial Co	128V	143V	207V	Not specified	-55°C ~ 175°C	DO-201AE	Active
1.5KE160A	Diotec Semiconductor	136V	152V	219V	7.1A	-50°C ~ 175°C	DO-201AA	Active
1.5KE160A-B	Littelfuse Inc.	136V	152V	219V	6.9A	-55°C ~ 175°C	DO-201AA	Active
1.5KE160A-TP	Micro Commercial Co	136V	152V	219V	6.9A	-55°C ~ 175°C	DO-201AE	Active

Engineering Selection Recommendations

Primary Substitutes (Closest Electrical Match):

The 1.5KE160A-B (Littelfuse Inc.) and 1.5KE160A (Diotec Semiconductor) represent the closest electrical equivalents to the STRVS222X02F, with a clamping voltage of 219V compared to the original 222V specification. Both parts are active products with ROHS3 compliance and full operating temperature range coverage (-55°C to 175°C). The 1.5KE160A-B offers superior compliance documentation and higher inventory availability (1065 pcs).

Secondary Substitutes (Moderate Voltage Deviation):

The 1.5KE150A series (Taiwan Semiconductor Corporation, Littelfuse Inc., Micro Commercial Co) provides a clamping voltage of 207V with higher peak pulse current ratings (7.3A to 7.6A). These parts are suitable for applications where slightly lower voltage clamping is acceptable. The 1.5KE150A-B (Littelfuse Inc.) combines active product status with ROHS3 compliance and adequate inventory (748 pcs).

Tertiary Substitutes (Lower Voltage Protection):

The 1.5KE130A series offers the lowest clamping voltage at 179V with the highest peak pulse current ratings (8.5A to 8.7A). These parts are appropriate for circuits requiring lower voltage thresholds. The 1.5KE130A-B (Littelfuse Inc.) maintains active status and ROHS3 compliance with moderate inventory availability (873 pcs).

Packaging Considerations:

Parts designated with "-TP" suffix (Micro Commercial Co) utilize DO-201AE packaging, which is mechanically compatible with DO-201AA but may require verification for specific PCB footprint requirements. Standard DO-201AA variants from Taiwan Semiconductor Corporation and Littelfuse Inc. provide direct mechanical interchangeability.

Compliance and Availability:

All recommended substitutes maintain ROHS3 compliance and REACH unaffected status. Taiwan Semiconductor Corporation variants offer the highest inventory levels (20200 to 30300 pcs), ensuring supply chain continuity for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can the 1.5KE160A-B directly replace the STRVS222X02F in existing circuits?

A: The 1.5KE160A-B is mechanically and electrically compatible for through-hole PCB applications. The clamping voltage difference of 3V (219V vs. 222V) falls within acceptable tolerance for most MOSFET protection circuits. Verify that the lower clamping voltage does not compromise protection thresholds in your specific application.

Q: What is the difference between 1.5KE150A and 1.5KE160A variants?

A: The primary difference is clamping voltage: 1.5KE150A clamps at 207V with 7.3A to 7.6A peak pulse current, while 1.5KE160A clamps at 219V with 6.9A to 7.1A peak pulse current. Selection depends on the required voltage protection level for your circuit. Higher voltage applications require 1.5KE160A; lower voltage applications may use 1.5KE150A.

Q: Are Littelfuse and Taiwan Semiconductor Corporation variants interchangeable?

A: Yes, parts from both manufacturers with identical base part numbers (1.5KE150A, 1.5KE160A, 1.5KE130A) share the same electrical specifications and DO-201AA packaging. Littelfuse variants include "-B" suffix designation; Taiwan Semiconductor Corporation variants are unmarked. Both are suitable for direct substitution.

Q: What does the "-TP" suffix indicate on Micro Commercial Co parts?

A: The "-TP" suffix indicates Tape & Reel or Bulk packaging format and DO-201AE package variant. Electrical specifications remain identical to standard DO-201AA versions. Verify PCB footprint compatibility before selection, as DO-201AE may have minor dimensional variations.

Q: Why do substitute parts have higher peak pulse current ratings than the original STRVS222X02F?

A: The 1.5KE series components are rated at 1500W peak pulse power, compared to the STRVS222X02F specification. This results in higher current ratings at equivalent voltage levels. The higher current capacity provides additional design margin and does not negatively impact circuit performance.

Q: Is the operating temperature range difference between 1.5KE160A (-50°C to 175°C) and STRVS222X02F (-55°C to 175°C) significant?

A: The 5°C difference at the lower temperature limit is generally not significant for most industrial and commercial applications. If operation below -50°C is required, select alternatives with -55°C minimum rating: 1.5KE160A-B, 1.5KE150A series, or 1.5KE130A series.

Q: Can I use 1.5KE130A in place of 1.5KE160A?

A: Substitution is possible only if the circuit design accommodates the lower clamping voltage of 179V versus 219V. The 1.5KE130A provides more aggressive voltage clamping and higher peak pulse current (8.5A to 8.7A). Verify that the lower clamping threshold does not interfere with normal circuit operation or MOSFET gate drive requirements.

Q: What compliance certifications should I verify before final part selection?

A: All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, matching the original STRVS222X02F specifications. Verify ECCN classification (EAR99) and HTSUS codes (8541.10.0080) for export and procurement documentation. Littelfuse variants provide the most comprehensive compliance documentation.

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