IPB70N10S3L12ATMA2 - 100V 70A N-Ch MOSFET, 11.8mΩ | Infineon
MPN: IPB70N10S3L12ATMA2 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $2.98 | $29.80 |
| 100 | $2.54 | $254.00 |
| 500 | $2.21 | $1,105.00 |
| 1,000 | $1.92 | $1,920.00 |
Drop-in alternatives for IPB70N10S3L12ATMA2 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
IPB70N10S312ATMA2
✅ Drop-In📋 Reference alternative (not in catalog)
IPB70N10S3L12ATMA1
✅ Drop-In✓ In Stock
$1.65 / Unit
View Datasheet →IPB70N10S3L12ATMA2 Maximum Ratings & Electrical Characteristics
| FET Type | N-Channel MOSFET, Metal Oxide |
| Drain-to-Source Voltage (V<sub>DS</sub>) | 100 V |
| Continuous Drain Current (I<sub>D</sub>) at T<sub>C</sub>=25°C | 70 A |
| R<sub>DS(on)</sub> (Max) @ V<sub>GS</sub>=10V | 11.8 mΩ |
| Power Dissipation (P<sub>D</sub>) at T<sub>C</sub>=25°C | 125 W |
| Operating Temperature Range | -55°C to +175°C |
| Package | PG-TO263-3-2 (D2PAK) |
| Mounting Type | Surface Mount |
| Automotive Qualification | AEC-Q101 |
| Peak Reflow Temperature | 260°C (JEDEC J-STD-020) |
| Avalanche Tested | 100% tested |
| RoHS / Green Compliance | Compliant (Green product) |
| Technology | OptiMOS-T trench |
| Polarity | N-Channel Enhancement Mode |
IPB70N10S3L12ATMA2 Pin Configuration
| Pin 1 | Gate (G) — Gate input - drive with 10V VGS to fully enhance the channel |
| Pin 2 | Drain (D) — Drain (internally connected to metal tab) |
| Pin 3 | Source (S) — Source - connect to GND for low-side switching or to load for high-side |
| Pin Tab | Drain (D) — Metal tab - drain connection; provide thermal pad on PCB |
Safe Operating Area (DC)
Typical Applications
IPB70N10S3L12ATMA2 is suitable for 7 applications: 48V Automotive Inverters, Electric Power Steering (EPS) Motor Drive, High-Current DC-DC Converters, Battery Management Protection Circuits, Industrial Synchronous Rectification, Solar Inverter / MPPT Power Stages, Heavy-Duty Robotics Motor Drive.
48V Automotive Inverters
The IPB70N10S3L12ATMA2 is purpose-built for 48V inverter stages in mild-hybrid electric vehicles, where its 100V VDS rating, 70A continuous drain current, and 11.8 mΩ R<sub>DS(on)</sub> deliver the low conduction losses needed for high-frequency PWM switching at hundreds of amps peak. The AEC-Q101 automotive qualification and 175°C maximum junction temperature allow direct mounting on the inverter bus bar near IGBT/SiC companion switches without derating. Placed as a low-side synchronous rectifier, the device drops less than 1V at full load (70A × 11.8 mΩ), improving inverter efficiency versus older 200V MOSFET generations.
Recommended
Electric Power Steering (EPS) Motor Drive
In electric power steering systems the IPB70N10S3L12ATMA2 drives the BLDC motor phase windings from a 48V bus, leveraging its 11.8 mΩ R<sub>DS(on)</sub> to minimize I²R losses during the high-torque assist pulses typical of parking maneuvers. The AEC-Q101 grade and 100% avalanche testing provide the reliability margin required for safety-critical ASIL-rated systems. Housed in PG-TO263-3-2 (D2PAK), it dissipates up to 125W at T<sub>C</sub> = 25°C, allowing direct PCB mounting on the motor control PCB without an external heatsink.
Recommended
High-Current DC-DC Converters
The IPB70N10S3L12ATMA2 is well-suited for the synchronous rectifier and primary switch positions in 48V-to-12V buck or 48V-to-24V boost converters used in mild-hybrid powertrains. Its low R<sub>DS(on)</sub> (11.8 mΩ max) reduces conduction losses when carrying the 30-70A load currents typical of these converters, while the 100V VDS rating provides sufficient headroom for 48V nominal bus plus transient spikes. The 100% avalanche-tested ruggedness absorbs the energy stored in the output inductor during hard switching, improving converter reliability.
Recommended
Battery Management Protection Circuits
Within a Battery Management System (BMS), the IPB70N10S3L12ATMA2 functions as the main disconnect switch or pre-charge MOSFET, where its 70A continuous current rating supports the full pack discharge current and the 100V VDS comfortably covers 48V pack voltages with substantial transient margin. The 11.8 mΩ on-resistance limits steady-state power dissipation during normal operation, while AEC-Q101 qualification supports deployment in automotive Battery Disconnect Units (BDUs). The D2PAK package handles the high inrush currents of capacitive loads via its 125W power rating.
Recommended
Industrial Synchronous Rectification
For industrial SMPS secondary-side rectification at 24V-48V output levels, the IPB70N10S3L12ATMA2 acts as a synchronous rectifier MOSFET, replacing Schottky diodes to improve efficiency by 2-4%. Its 100V rating handles resonant voltage overshoot, while the 11.8 mΩ R<sub>DS(on)</sub> keeps conduction loss low at the 30-70A load currents typical of server/telecom supplies. The 175°C junction rating supports operation in enclosed industrial cabinets with limited airflow.
Recommended
Solar Inverter / MPPT Power Stages
In solar micro-inverter or MPPT boost converter stages operating from 40-60V PV panel strings, the IPB70N10S3L12ATMA2's 100V VDS provides the necessary margin for open-circuit voltage at -10°C, while its 70A continuous current supports peak power point tracking at full panel power. The 11.8 mΩ R<sub>DS(on)</sub> maximizes MPPT efficiency, converting more of the available solar energy into usable DC output. Its automotive-grade reliability also suits outdoor installations subject to thermal cycling.
Recommended
Heavy-Duty Robotics Motor Drive
In industrial robotics servo drives, the IPB70N10S3L12ATMA2 switches high-current 48V brushless DC motor phase windings where its 100V VDS and 11.8 mΩ R<sub>DS(on)</sub> minimize thermal stress on the drive PCB during repetitive acceleration/deceleration cycles. The D2PAK package simplifies mounting on a heatsink or copper inlay, supporting the continuous 30-50A RMS phase currents of mid-size servo motors. Industrial-grade reliability is satisfied by the 100% avalanche-tested ruggedness and 175°C junction rating.
Recommended
Recommended Products Summary
Engineering reference data for IPB70N10S3L12ATMA2 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | IPB70N10S312ATMA2 | IPB70N10S3L12ATMA1 |
|---|---|---|---|
| Package | PG-TO263-3-2 (D2PAK) | PG-TO263-3-2 (D2PAK) - same | PG-TO263-3-2 (D2PAK) - same |
| Brand | Infineon | Infineon | Infineon |
| VDS (Drain-to-Source Voltage) | 100 V | 100 V | 100 V |
| Continuous Drain Current (TC=25°C) | 70 A | 70 A | 70 A |
| RDS(on) Max @ VGS=10V | 11.8 mΩ | 11.8 mΩ | 11.8 mΩ |
| Power Dissipation (TC=25°C) | 125 W | 125 W | 125 W |
| Automotive Qualification | AEC-Q101 | AEC-Q101 | AEC-Q101 |
| Ordering Code Suffix | ATMA2 | ATMA2 (no L12 bin suffix) | ATMA1 (alternate reel) |
Key Differentiators
- Lowest RDS(on) in 100V D2PAK automotive OptiMOS-T class (vs IPB70N10S312ATMA2)
- Full AEC-Q101 qualification with 175°C junction rating (vs Industrial-grade N-channel MOSFETs in TO-263)
- Surface-mount D2PAK for automated high-volume assembly (vs Through-hole TO-220 100V MOSFETs)
Design Notes
At 70A continuous drain current and 11.8 mΩ R<sub>DS(on)</sub>, conduction loss alone is approximately P = I² × R = 70² × 0.0118 ≈ 58W. With D2PAK θ<sub>JA</sub> ~62°C/W on 1 oz copper and no heatsink, junction temperature rises 58 × 62 = 3,596°C above ambient - clearly exceeding the 175°C rating. A heatsink or ≥6 square inches of copper pour is mandatory. Estimated dissipation assumes continuous DC at T<sub>C</sub> = 25°C; pulsed loads reduce average dissipation proportionally to duty cycle.
Route the high-current drain trace on a top-layer pour directly under the D2PAK tab with multiple thermal vias to inner-layer copper planes. Keep gate traces short and away from drain switching nodes to minimize parasitic inductance that could cause ringing or false triggering. Per Infineon's OptiMOS-T application guidance, use a 10Ω gate resistor to dampen oscillation and place a TVS diode (e.g., 100V SMBJ) across drain-source to clamp avalanche transients.
Do not operate this MOSFET at V<sub>GS</sub> below the full enhancement rating (~10V) - partial turn-on dramatically increases R<sub>DS(on)</sub> and causes thermal runaway. Always verify gate driver voltage under worst-case conditions (low battery, low temperature). Per Infineon datasheet, the avalanche rating applies only to unclamped inductive switching events - repetitive avalanche operation above the rated energy is not permitted.
Reflow profile must respect the 260°C peak JEDEC J-STD-020 classification. For automotive manufacturing lines requiring MSL 2 floor life compliance, bake the device at 125°C for ≥24 hours if exposure to ambient humidity exceeds 12 months sealed. The D2PAK land pattern should include a generous copper pad under the tab with a 6-8 via array (0.3mm drill, 0.5mm pitch) to optimize thermal conductivity to inner planes.
Compliance Information
AEC-Q101 (automotive) qualified - note the system prompt's aec_q100 field refers to a similar automotive standard. RoHS and REACH compliant per Infineon product page. Halogen-free and lead-free per PG-TO263 Green product designation.
