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TSM103ID Equivalent & Substitute Parts
Part Overview
The TSM103ID is an 8-SOIC amplifier IC manufactured by STMicroelectronics, designed for power management applications. This part is classified as obsolete, which necessitates identification of active equivalent and substitute components for ongoing design requirements and procurement needs. The TSM103ID operates as a linear amplifier in surface mount configuration and maintains ROHS3 compliance with unlimited moisture sensitivity rating (MSL 1).
Substiute Parts
Key Parameters
| Parameter | TSM103ID Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Category | Linear, Amplifiers |
| Type | Amplifier |
| Applications | Power Management |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.33.0001 |
Substitute Part Grouping Explanation
Substitution of the TSM103ID is determined by the following critical parameters:
Mechanical Compatibility:
- Package type: 8-SOIC (0.154", 3.90mm Width)
- Mounting type: Surface Mount
- Pin count and footprint equivalence
Electrical Compatibility:
- Category: Linear, Amplifiers
- Application domain: Power Management
- Supply voltage range compatibility
- Output current capability
Regulatory & Environmental Compliance:
- RoHS3 compliance requirement
- REACH status alignment
- ECCN classification (EAR99)
- Moisture sensitivity level considerations
All substitute parts listed maintain the 8-SOIC package format, surface mount configuration, and regulatory compliance status. Substitutes are grouped into two categories: direct STMicroelectronics variants (TSM103WAIDT) and cross-manufacturer alternatives from Analog Devices Inc., Diodes Incorporated, Texas Instruments, and onsemi that meet the same mechanical and electrical envelope requirements.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Package / Case | Mounting Type | RoHS Status | MSL | Operating Temperature | Number of Circuits | Amplifier Type |
|---|---|---|---|---|---|---|---|---|---|
| TSM103ID | STMicroelectronics | Obsolete | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 1 (Unlimited) | Not specified | Not specified | Amplifier |
| TSM103WAIDT | STMicroelectronics | Active | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 3 (168 Hours) | Not specified | 2 | Amplifier |
| ADA4062-2ARZ | Analog Devices Inc. | Active | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 1 (Unlimited) | -40°C ~ 125°C | 2 | J-FET |
| ADA4062-2BRZ | Analog Devices Inc. | Active | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 1 (Unlimited) | -40°C ~ 125°C | 2 | J-FET |
| AP4310AUMTR-AG1 | Diodes Incorporated | Active | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 1 (Unlimited) | -40°C ~ 105°C (TA) | 2 | General Purpose |
| AS358MTR-E1 | Diodes Incorporated | Active | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 3 (168 Hours) | -40°C ~ 85°C (TA) | 2 | General Purpose |
| LM258ADR | Texas Instruments | Active | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 1 (Unlimited) | -25°C ~ 85°C (TA) | 2 | General Purpose |
| LM258DR2G | onsemi | Active | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 1 (Unlimited) | -25°C ~ 85°C | 2 | General Purpose |
| LM258DRG4 | Texas Instruments | Discontinued at DiGi Electronics | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 1 (Unlimited) | -25°C ~ 85°C (TA) | 2 | General Purpose |
| LM358S-13 | Diodes Incorporated | Active | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 1 (Unlimited) | 0°C ~ 70°C | 2 | General Purpose |
| MC33172VDR2G | onsemi | Active | 8-SOIC (0.154", 3.90mm Width) | Surface Mount | ROHS3 Compliant | 1 (Unlimited) | -40°C ~ 125°C | 2 | General Purpose |
Engineering Selection Recommendations
Primary Recommendation: TSM103WAIDT
The TSM103WAIDT is the direct active equivalent from STMicroelectronics, sharing the same base product number (TSM103) and manufacturer lineage. This part maintains identical mechanical compatibility and regulatory compliance (ROHS3). The primary difference is product status (Active vs. Obsolete) and moisture sensitivity level (MSL 3 vs. MSL 1). Selection of TSM103WAIDT eliminates cross-manufacturer qualification requirements and maintains design continuity with the original component family.
Secondary Recommendations: Cross-Manufacturer Alternatives
For applications requiring extended temperature ranges or specific amplifier characteristics, the following active alternatives provide equivalent mechanical packaging and regulatory compliance:
-
MC33172VDR2G (onsemi): Offers extended operating temperature range (-40°C ~ 125°C) and higher gain bandwidth product (1.8 MHz), suitable for demanding power management applications.
-
ADA4062-2ARZ / ADA4062-2BRZ (Analog Devices Inc.): J-FET amplifier variants with extended temperature range (-40°C ~ 125°C) and MSL 1 rating, providing low input bias current (2 pA) for precision applications.
-
LM258DR2G (onsemi): High-volume general-purpose alternative with active status and unlimited MSL rating, offering broad supply voltage compatibility (3V ~ 32V).
-
LM258ADR (Texas Instruments): General-purpose amplifier with active status and MSL 1 rating, suitable for standard power management implementations.
All recommended substitutes maintain ROHS3 compliance, EAR99 ECCN classification, and REACH unaffected status, ensuring regulatory alignment with the original TSM103ID specification.
Frequently Asked Questions (FAQ)
Q: Why is the TSM103ID classified as obsolete?
A: The TSM103ID is no longer manufactured by STMicroelectronics. The active equivalent TSM103WAIDT is available as a direct replacement within the same product family.
Q: Can I use TSM103WAIDT as a direct drop-in replacement for TSM103ID?
A: Yes. The TSM103WAIDT maintains identical 8-SOIC package dimensions, surface mount configuration, and pin compatibility. Both parts share the same base product number (TSM103) and regulatory compliance status (ROHS3). The primary difference is product status (Active vs. Obsolete) and moisture sensitivity level (MSL 3 vs. MSL 1).
Q: What is the significance of the MSL (Moisture Sensitivity Level) difference between TSM103ID (MSL 1) and TSM103WAIDT (MSL 3)?
A: MSL 1 indicates unlimited shelf life without moisture control requirements. MSL 3 requires moisture control during storage and handling, with a maximum floor life of 168 hours after bag opening. Selection depends on your supply chain and storage capabilities. If unlimited shelf life is required, consider alternatives with MSL 1 rating such as ADA4062-2ARZ, AP4310AUMTR-AG1, or LM258ADR.
Q: Are cross-manufacturer substitutes (Analog Devices, Texas Instruments, onsemi, Diodes Incorporated) compatible with the TSM103ID footprint?
A: Yes. All listed substitute parts use the 8-SOIC (0.154", 3.90mm Width) package format with identical pin spacing and surface mount configuration. PCB footprints are mechanically interchangeable.
Q: What are the key electrical parameters I should verify when selecting a substitute?
A: Critical parameters for power management applications include: supply voltage range, output current capability, slew rate, gain bandwidth product, input offset voltage, and input bias current. Verify these specifications align with your circuit requirements before implementation.
Q: Do all substitute parts maintain the same regulatory compliance as TSM103ID?
A: Yes. All listed substitutes are ROHS3 compliant, REACH unaffected, and classified as EAR99 under ECCN, matching the original TSM103ID regulatory status.
Q: Which substitute offers the widest operating temperature range?
A: Both MC33172VDR2G (onsemi) and ADA4062-2ARZ / ADA4062-2BRZ (Analog Devices Inc.) support -40°C ~ 125°C operating temperature range, compared to the unspecified range of the original TSM103ID.
Q: Is LM258DRG4 still available for new designs?
A: LM258DRG4 is discontinued at DiGi Electronics. For new designs, select from active alternatives such as LM258ADR (Texas Instruments) or LM258DR2G (onsemi), which offer equivalent functionality and active product status.
Q: Can I use multiple substitute parts interchangeably in the same design?
A: All listed substitutes maintain mechanical and regulatory compatibility. However, electrical parameters (slew rate, gain bandwidth product, supply current, output current) vary between manufacturers and part numbers. Verify that the selected substitute meets your specific circuit performance requirements before implementation.
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