MPSW92RLRAG Equivalent & Substitute Parts

Part Overview

The MPSW92RLRAG is a PNP bipolar junction transistor manufactured by onsemi, rated for 300 V collector-emitter breakdown voltage and 500 mA maximum collector current. This device is packaged in a Through Hole TO-92 (TO-226-3) configuration and is designed for general-purpose switching and amplification applications. The MPSW92RLRAG is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Substiute Parts

MPSW92RLRAG

onsemiIn Stock: 31297MPSW92RLRAG Datasheet

Current PartRFQ

KSP92TA

onsemiIn Stock: 85129KSP92TA Datasheet

SimilarRFQ

MMBTA92LT1G

onsemiIn Stock: 155377MMBTA92LT1G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MPSW92RLRAG is determined by electrical and mechanical parameter compatibility. All substitute parts must satisfy the following criteria:

Electrical Parameters (Required Match):

• Transistor Type: PNP
• Current - Collector (Ic) Max: 500 mA
• Voltage - Collector Emitter Breakdown (Max): 300 V
• Vce Saturation (Max) @ Ib, Ic: 500 mV @ 2 mA, 20 mA
• Current - Collector Cutoff (Max): 250 nA (ICBO)
• DC Current Gain (hFE) Min @ Ic, Vce: 25 @ 30 mA, 10 V
• Frequency - Transition: 50 MHz

Mechanical Parameters (Allowed Variation):

• Mounting Type: Through Hole or Surface Mount
• Package / Case: TO-92-3, TO-236-3 (SOT-23-3)
• Power Rating: Equal to or greater than 1 W (for Through Hole); equal to or greater than 300 mW (for Surface Mount)

The substitute parts identified below maintain electrical equivalence while offering alternative packaging and mounting options suitable for different circuit board designs.

Parameter Comparison

Engineering Selection Recommendations

KSP92TA is the direct Through Hole equivalent to the MPSW92RLRAG. Both devices share identical electrical specifications and TO-92-3 packaging. The KSP92TA is classified as Active product status, ensuring ongoing availability and supply chain support. The KSP92TA is ROHS3 compliant, meeting current environmental and regulatory requirements. Power dissipation is rated at 625 mW, which is lower than the MPSW92RLRAG (1 W) but remains sufficient for applications within the specified electrical operating parameters.

MMBTA92LT1G is a Surface Mount equivalent offering identical electrical specifications in a SOT-23-3 (TO-236) package. This device is suitable for applications requiring surface mount technology and compact board layouts. The MMBTA92LT1G is classified as Active product status with ROHS3 compliance. Power dissipation is rated at 300 mW, which is lower than the MPSW92RLRAG but operates within the specified electrical parameters. Operating temperature range matches the original part (-55 to 150 °C).

Selection between KSP92TA and MMBTA92LT1G depends on circuit board assembly requirements: KSP92TA for Through Hole designs; MMBTA92LT1G for Surface Mount designs. Both substitutes provide active product status and regulatory compliance advantages over the obsolete MPSW92RLRAG.

Frequently Asked Questions (FAQ)

Q: Can KSP92TA directly replace MPSW92RLRAG in existing Through Hole designs?

A: Yes. Both devices are PNP transistors with identical electrical specifications: 300 V breakdown voltage, 500 mA collector current, 50 MHz transition frequency, and matching saturation characteristics. Both use TO-92-3 Through Hole packaging with identical pin configurations. Direct substitution is electrically and mechanically compatible.

Q: What is the difference in power dissipation between MPSW92RLRAG and KSP92TA?

A: MPSW92RLRAG is rated at 1 W maximum power dissipation, while KSP92TA is rated at 625 mW. Both devices operate within the same electrical parameter limits. The lower power rating of KSP92TA reflects thermal design differences but does not affect electrical equivalence for applications operating within specified voltage and current limits.

Q: Is MMBTA92LT1G suitable for replacing MPSW92RLRAG?

A: MMBTA92LT1G is electrically equivalent but uses Surface Mount SOT-23-3 packaging instead of Through Hole TO-92-3. Substitution requires circuit board redesign to accommodate surface mount assembly. Electrical performance is identical. This option is suitable only for new designs or boards undergoing redesign for surface mount technology.

Q: What are the compliance advantages of substitute parts?

A: Both KSP92TA and MMBTA92LT1G are classified as Active products with ROHS3 compliance, compared to the obsolete MPSW92RLRAG. Active product status ensures continued manufacturing, availability, and technical support. ROHS3 compliance meets current environmental regulations for lead-free and restricted substance requirements.

Q: Are there temperature range differences between substitute parts?

A: MMBTA92LT1G maintains the full operating temperature range of -55 to 150 °C, matching MPSW92RLRAG. KSP92TA is specified to operate up to 150 °C but does not specify a lower temperature limit in the provided data. For applications requiring operation below 0 °C, MMBTA92LT1G is the preferred substitute.

Q: Can both substitute parts be used interchangeably in the same design?

A: No. KSP92TA and MMBTA92LT1G use different mounting technologies (Through Hole versus Surface Mount) and require different circuit board designs. Selection must be based on the target assembly process and board layout requirements. They are not interchangeable within a single design without board redesign.