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TT8M2TR Equivalent & Substitute MOSFET Parts Reference
Part Overview
The TT8M2TR from Rohm Semiconductor is an N and P-Channel MOSFET array designed for logic-level switching applications, featuring 30V/20V voltage ratings and 2.5A continuous drain current capability. It is supplied in a surface mount 8-TSST flat-lead package. As the TT8M2TR is marked "Not For New Designs," sourcing alternative or substitute MOSFETs with matching electrical parameters and mechanical compatibility is necessary to ensure ongoing manufacturability and design continuity.
Substiute Parts
Key Parameters
| Parameter | TT8M2TR |
|---|---|
| Configuration | N and P-Channel |
| Drain to Source Voltage (Vdss) | 30V, 20V |
| Current - Continuous Drain (Id) @ 25°C | 2.5A |
| Rds On (Max) @ Id, Vgs | 90mOhm @ 2.5A, 4.5V |
| Vgs(th) (Max) @ Id | 1.5V @ 1mA |
| Gate Charge (Qg) (Max) @ Vgs | 3.2nC @ 4.5V |
| Input Capacitance (Ciss) (Max) @ Vds | 180pF @ 10V |
| Power - Max | 1.25W |
| Operating Temperature | 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SMD, Flat Lead |
| Supplier Device Package | 8-TSST |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
Substitute Part Grouping Explanation
Substitution for the TT8M2TR is based strictly on the following parameters:
- Configuration: N and P-Channel MOSFET array
- Maximum Drain to Source Voltage (Vdss)
- Continuous Drain Current (Id)
- Maximum Rds(on) at defined conditions
- Gate Threshold Voltage (Vgs(th))
- Gate Charge (Qg) and Input Capacitance (Ciss)
- Power Dissipation (Max)
- Package compatibility: 8-SMD, Flat Lead, or equivalently dimensioned packages for surface-mount
- RoHS and REACH compliance
- Moisture Sensitivity Level (MSL)
- ECCN and regulatory status
Substitute parts included in this reference fit within these defined criteria. All selection is determined by explicit electrical and mechanical parameters provided.
Parameter Comparison
| Parameter | TT8M2TR | NTHD3100CT1G |
|---|---|---|
| Manufacturer | Rohm Semiconductor | onsemi |
| Category | Transistors, FETs, MOSFETs | Transistors, FETs, MOSFETs |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| Configuration | N and P-Channel | N and P-Channel |
| Drain to Source Voltage (Vdss) | 30V, 20V | 20V |
| Current - Continuous Drain (Id) @ 25°C | 2.5A | 2.9A, 3.2A |
| Rds On (Max) @ Id, Vgs | 90mOhm @ 2.5A, 4.5V | 80mOhm @ 2.9A, 4.5V |
| Vgs(th) (Max) @ Id | 1.5V @ 1mA | 1.2V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 3.2nC @ 4.5V | 2.3nC @ 4.5V |
| Input Capacitance (Ciss) (Max) @ Vds | 180pF @ 10V | 165pF @ 10V |
| Power - Max | 1.25W | 1.1W |
| Operating Temperature | 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-SMD, Flat Lead | 8-SMD, Flat Lead |
| Supplier Device Package | 8-TSST | ChipFET™ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
Engineering Selection Recommendations
The TT8M2TR is designated as "Not For New Designs". Substitute part NTHD3100CT1G is listed as "Active" and holds ROHS3 and REACH compliance, with MSL 1 (Unlimited). ECCN and HTSUS codes are equivalent. Selection should be based on product status and regulatory alignment as presented.
Frequently Asked Questions (FAQ)
Q1: What criteria are used to determine if NTHD3100CT1G is a valid substitute for TT8M2TR?
A1: Substitution is based on matching configuration (N and P-Channel), drain to source voltage, continuous drain current, Rds(on), gate threshold voltage, package type, regulatory compliance, and MSL.
Q2: Are the packages for TT8M2TR and NTHD3100CT1G mechanically compatible?
A2: Both parts utilize an 8-SMD, Flat Lead package with surface mounting, allowing for direct replacement within the same mechanical footprint.
Q3: Is there any significant difference in electrical performance between these parts?
A3: Both parts provide logic-level operation and similar Rds(on). The NTHD3100CT1G has a maximum drain to source voltage of 20V, compared to TT8M2TR's 30V/20V, and a slightly lower maximum power rating.
Q4: What compliance and certification aspects are important in selecting a substitute?
A4: Both parts are ROHS3 compliant, REACH unaffected, and categorized under ECCN EAR99, supporting global regulatory requirements.
Q5: Does the MSL status affect board-level assembly or storage needs?
A5: Both TT8M2TR and NTHD3100CT1G are classified with MSL 1 (Unlimited), permitting standard assembly and storage conditions.
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