BSL308PEH6327XTSA1 - 30V 2A Dual P-Ch MOSFET | Infineon
MPN: BSL308PEH6327XTSA1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.62 | $0.62 |
| 10 | $0.55 | $5.50 |
| 100 | $0.41 | $41.00 |
| 500 | $0.32 | $160.00 |
| 1,000 | $0.26 | $260.00 |
| 3,000 | $0.21 | $630.00 |
Drop-in alternatives for BSL308PEH6327XTSA1 — 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:
BSL308PE
✅ Drop-In📋 Reference alternative (not in catalog)
BSL308PEH6327XTSA1 Maximum Ratings & Electrical Characteristics
| Manufacturer | Infineon Technologies |
| Series | OptiMOS |
| FET Type | 2x P-Channel (Dual) |
| Drain-Source Voltage (VDS) | -30 V |
| Continuous Drain Current (ID) | -2 A (Ta) |
| Power Dissipation (PD) | 500 mW (Ta) |
| Package | PG-TSOP6-6 (TSOT-23-6) |
| Configuration | Dual, common source |
| Mounting Type | Surface Mount |
| Operating Temperature | -55 C to +150 C (TJ) |
| Automotive Qualification | AEC-Q101 |
| Number of Pins | 6 |
| Channel Mode | Enhancement |
| RoHS Status | Compliant |
BSL308PEH6327XTSA1 Pin Configuration
| Pin 1 | G1 — Gate of FET 1 |
| Pin 2 | S1 — Source of FET 1 (common source connection shared with S2) |
| Pin 3 | D2 — Drain of FET 2 |
| Pin 4 | G2 — Gate of FET 2 |
| Pin 5 | D1 — Drain of FET 1 |
| Pin 6 | S2 — Source of FET 2 (common source connection shared with S1) |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
BSL308PEH6327XTSA1 is suitable for 6 applications: Automotive Load Switching, USB VBUS Load Switch, Battery Protection and Polarity Reversal, LED Driver and Lighting Control, Portable Consumer Electronics, Motor Predriver and Solenoid Control.
Automotive Load Switching
The BSL308PEH6327XTSA1 suits automotive body-control modules driving LED lighting, mirror heaters, and small solenoid loads from a 12 V battery rail. Its AEC-Q101 qualification and -30 V VDS rating handle jump-start transients and load-dump events when paired with a 24 V TVS clamp. The dual matched channels let a single MCU GPIO control two symmetric loads (e.g., left/right turn signal) with synchronized turn-on, eliminating gate timing skew. With 2 A per channel and 500 mW total package dissipation, the part drives small relay coils and PWM-controlled lamps effectively. Compared with N-channel high-side switches, the P-FET topology simplifies gate drive because no charge pump is needed - the gate is pulled below source by a logic-level GPIO. Layout tip: keep the common-source thermal pad soldered to at least 50 mm^2 of copper to stay within the 500 mW dissipation envelope at 1 A continuous load.
Recommended
USB VBUS Load Switch
The BSL308PEH6327XTSA1 functions as a low-resistance load switch on the VBUS rail of USB Type-A and Type-C ports, enabling power-on/power-off control from an MCU GPIO. Its -30 V rating exceeds the 5 V VBUS nominal with substantial margin, and the dual channels can switch VBUS plus an auxiliary signal (e.g., data-line shield or LED indicator) simultaneously. The P-FET topology avoids back-feed when the device is off because the source-body diode blocks reverse current into the upstream supply. RDS(on) is typically under 100 mOhm at VGS = -4.5 V, limiting voltage drop to < 200 mV at 2 A. For USB-IF compliance, place a 100 nF X7R bypass across each drain to suppress hot-plug inrush transients. The TSOP-6 footprint fits inside the standard USB-A connector keep-out, making board layout simple.
Recommended
Battery Protection and Polarity Reversal
In single-cell Li-ion and multi-cell NiMH packs, the BSL308PEH6327XTSA1 can serve as a reverse-polarity protection FET placed in series with the battery's negative terminal. When the pack is correctly inserted, the P-FET gate is pulled low by an MCU, turning the switch on with low loss; if polarity reverses, the gate-source voltage goes positive, keeping the FET off and blocking current flow. The -30 V rating handles up to 4S Li-ion stacks (16.8 V max), and the dual channels can be paralleled to halve on-resistance for high-discharge applications. The matched channels ensure symmetric current sharing, which is critical for avoiding hot-spotting in parallel configurations. The AEC-Q101 qualification also makes this topology viable in e-bike and power-tool battery packs, where harsh thermal cycling is expected. Verify the gate-clamp Zener is sized correctly to limit VGS transients during hot-plug events.
Recommended
LED Driver and Lighting Control
The BSL308PEH6327XTSA1 drives constant-current LED strings in architectural and automotive lighting applications. Its -30 V rating supports up to 7 white LEDs in series (typically 21 V forward stack), and the dual matched channels enable warm-white / cool-white mixing or RGB color-mixing with synchronized PWM dimming from a single timer. The P-FET high-side topology simplifies current-sensing because the shunt resistor sits on the low-side return, away from the high-voltage LED anode. With 2 A per channel, the device can drive multiple LED strings in parallel from one IC, reducing BOM count. The 6-pin TSOP-6 package has a thermal pad that, when soldered to 100 mm^2 of copper, supports continuous LED driving up to 1.5 A per channel. Add a 10 uF input bulk capacitor to handle PWM inrush currents without drooping the supply rail.
Recommended
Portable Consumer Electronics
The BSL308PEH6327XTSA1 is widely deployed in portable consumer devices - e-readers, wireless earbud charging cases, smart watches - for power-rail multiplexing and battery isolation. The -30 V VDS rating is overkill for 3.7 V Li-ion systems but provides safety margin for inductive kickback when switching DC-DC converters or speaker loads. The dual channels let one FET gate a power amplifier while the other gates the same amplifier's analog reference, allowing synchronized power-gating to extend standby battery life. At sub-mA standby currents the P-FET's leakage is negligible (< 1 uA), preserving battery life over months of shelf time. The 6-pin TSOP-6 package footprint is 2.9 mm x 1.6 mm, fitting comfortably inside space-constrained wearables. Place a 1 uF X5R bypass on each drain to decouple switching transients reaching sensitive analog circuits.
Recommended
Motor Predriver and Solenoid Control
The BSL308PEH6327XTSA1 serves as a logic-level predriver for small DC motors, solenoids, and latching relays in industrial and appliance controls. The -30 V rating covers 24 V industrial rails with TVS clamping, and the dual matched channels can switch a motor's two terminals differentially for direction reversal without an H-bridge. At 2 A continuous, the device controls small fans, valve actuators, and door-lock solenoids directly without an additional gate driver. The P-FET source-follower topology simplifies the gate-drive path because the MCU GPIO can directly drive the gate referenced to the motor terminal voltage. For inductive loads, place a flyback diode across each motor terminal; the BSL308PE's body diode alone is insufficient for repetitive switching. The AEC-Q101 qualification enables deployment in white-goods and HVAC equipment where long-term reliability is required.
Recommended
Recommended Products Summary
Engineering reference data for BSL308PEH6327XTSA1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | BSL308PE | BSS308PEH6327XTSA1 |
|---|---|---|---|
| Package | PG-TSOP6-6 (TSOT-23-6) | PG-TSOP6-6 (same) | PG-SOT23-3 (different footprint) |
| Brand | Infineon | Infineon | Infineon |
| FET Type | Dual P-Channel (common source) | Dual P-Channel (common source) | Single P-Channel |
| Drain-Source Voltage (VDS) | -30 V | -30 V | -30 V |
| Continuous Drain Current (ID) | -2 A (Ta) | -2 A (Ta) | -2 A (Ta) |
| Power Dissipation (PD) | 500 mW (Ta) | 500 mW (Ta) | 500 mW (Ta) |
| Automotive Qualification | AEC-Q101 | AEC-Q101 | AEC-Q101 |
| Pin Count | 6 | 6 | 3 |
Key Differentiators
- Dual matched P-FET channels in TSOP-6 footprint (vs BSS308PEH6327XTSA1)
- AEC-Q101 automotive qualification (vs BSL308PE)
- Common-source configuration simplifies gate drive (vs BSS308PEH6327XTSA1)
Design Notes
Estimated: at 1 A continuous drain current with RDS(on) of approximately 100 mOhm, the BSL308PEH6327XTSA1 dissipates around 100 mW per channel. The TSOP-6 package thermal resistance (theta_JA) of approximately 80 C/W on a standard JEDEC 1s0p test board means junction temperature rises only 8 C above ambient - well within the 150 C limit. For continuous 2 A operation, however, dissipation reaches 400 mW per channel and the junction would rise 32 C, requiring additional copper area on the PCB. Always solder the central thermal/source pad to at least 50 mm^2 of copper for adequate heat spreading.
Place a 100 nF X7R ceramic bypass capacitor within 5 mm of each drain pin to suppress switching transients. The TSOP-6 land pattern must use the Infineon-recommended footprint with a continuous thermal pad under the package - splitting the central pad causes severe thermal resistance degradation. Keep the gate traces short (< 10 mm) to minimize parasitic inductance, which can cause ringing during fast switching edges. For dual-gate synchronous operation, route both gate traces in parallel with matched length to avoid turn-on skew.
Do not confuse the BSL308PE (dual P-FET in TSOP-6) with the BSS308PE (single P-FET in SOT-23) - the pinouts and packages are completely different and a PCB designed for one cannot accept the other without respinning. The XTSA1 suffix denotes reel-packaging orientation, not a different die, so electrical characteristics are identical to the base BSL308PE. Gate-source voltage must not exceed +/- 20 V absolute maximum; clamp the gate with a 12 V Zener if the driving source is inductive or has long PCB traces that can pick up transients. Finally, do not connect both drains together unless the channels are truly paralleled - the common-source pin carries the sum current and may exceed its rating.
Compliance Information
AEC-Q101 (automotive) qualified per Infineon product page. Note: AEC-Q101 is the discrete-semiconductor equivalent of AEC-Q100 IC qualification, both applicable here. RoHS and REACH compliant. Lead-free and halogen-free per Infineon OptiMOS datasheet.
