NCE30P50G — 30V/50A P-Channel Power MOSFET (DFN 5x6 EP)

What Are the Technical Specifications of NCE30P50G?

Key numbers that matter: per the NCE30P50G datasheet (v2.0), the headline 7mΩ max is measured at -10A — one-fifth of the sticker current.

That is the most honest thing on the page: at -50A the die is out of the pulse-tested region and R_DS(on) runs higher than the row says.

Then the two rows the 50A buyer must read twice: no 4.5V row (10V-drive only), and P_D 35W behind R_θJC 3.6°C/W — a tighter case envelope than the 30A DFN sibling's 80W at 1.56.

What does that combination mean? This is a surge-and-switching die, not a 50A continuous heater — at 25A the conduction loss is 4.4W, and that is where the envelope starts to breathe.

When Should You Use (and NOT Use) the NCE30P50G?

✅ Use NCE30P50G when:

• High-side switching with a real 10V gate rail. 84nC wants a driver or push-pull, but the die delivers the family's lowest conduction loss once it is driven properly.
• Battery switching with surge headroom. Motor stalls and hot-plug inrush run far past the continuous number — I_DM -200A is the pulse budget that survives them.
• Reverse-current and OR-ing duty on the body diode. I_S -50A with V_SD -0.85V typ is a real diode — unusual for a power P-ch.
• Unclamped inductive events with a published budget. E_AS 300mJ with conditions and 100% UIS testing — the family's top number.
• 25A-class continuous load on a serious pad. At 25A and 7mΩ the loss is 4.4W — inside a well-vented 35W envelope with real copper.

❌ Don't use NCE30P50G when:

• Your only drive is 4.5V or 3.3V. There is no 4.5V row on this datasheet — it is a 10V-drive die, full stop. The 30A siblings (G/K) have 4.5V rows; this one does not.
• You plan continuous 50A on a board. 50A² × 7mΩ = 17.5W against a 35W case envelope behind R_θJC 3.6°C/W — the case would need to sit at liquid-cooled temperatures to sustain it.
• You expect the DFN pad to do all the work. R_θJC 3.6°C/W is the tightest envelope of the family for the biggest die — copper, vias, airflow and duty cycle decide the real number.
• 24V rails without a gate clamp. Same ±20V family limit: on-state V_GS on a 24V rail exceeds it. 18V zener gate-source, or stay at or below ~18V.
• Cheap 10A jobs. At 10A this die's advantage is wasted and its gate charge is a tax — a 30P12S or 30P30K carries the same load for less money and less drive.

What Are the Alternatives to NCE30P50G?

The 50A decision in one line: the 50G is a surge-class P-ch with a -50A diode and -200A pulse budget, not a continuous 50A switch.

Here's the thing to check before buying: your duty cycle and your drive rail.

If the design is 25A average with stalls to 80A and a 10V gate, this is the family's best answer.

If the load sits at 40A continuous, the honest answer is an N-ch plus driver — no P-ch DFN sustains that on a board.

What Are the Typical Applications of NCE30P50G?

Battery switching with stall and inrush headroom. The datasheet's own first application is battery switching. On 2S-4S packs, motor stalls and hot-plug inrush run far above the continuous number — I_DM -200A is the budget that survives them.

Load switching at 20-30A continuous with pulse peaks. At 25A the 7mΩ die burns 4.4W — a well-vented DFN pad with pours carries that; the -50A diode carries the commutation when the load fights back.

Reverse-protection and OR-ing positions. I_S -50A with V_SD -0.85V typ is a rated diode — back-to-back P-ch pairs can block reverse current without an external Schottky in the main path.

High-pulse actuator and solenoid banks on 12-18V rails. Solenoid inrush is a pulse event, which is exactly what this die is built for — with a real 10V driver and a clamp for any rail beyond ~18V.

Why Buy NCE30P50G from ICMASS?

Every lot batch-tested at the datasheet's own point. We test R_DS(on) at 10V/-10A against the 7mΩ max — the condition that catches a relabeled smaller die cold.

Cross-reference support across the 30P line. G, K, 50G, or the SOP-8 trio? Send us load profile, drive rail and duty cycle — we'll tell you which die your pulses and your continuous load actually need.

Footprint and fanout verification on request. We confirm the DFN 5x6 pad map against the datasheet figure and advise on drain-pour layout before volume orders.

Same-day dispatch, 5-10 days worldwide. Orders before 15:00 CST ship same day via DHL or FedEx. For volume, we source directly from the NCE factory line.

Frequently Asked Questions About NCE30P50G

Q1: Why is the 50A die measured at only -10A?

A: Datasheet convention — and a hint about the die. The 7mΩ row is a pulse test at -10A, where the die has headroom. At -50A the resistance runs higher and the measurement is not repeatable at pulse widths. Read the row as a die-quality figure, not a 50A conduction promise.

Q2: Can it really switch 50A?

A: It can pulse it, briefly — continuously only with an impossible heat sink. 50A² × 7mΩ = 17.5W against a 35W case envelope behind R_θJC 3.6°C/W. The honest continuous number on a real board lands in the 20-30A range with copper and airflow; past that, an N-ch plus driver is the answer.

Q3: There's no 4.5V row — can I still drive it from 5V logic?

A: It conducts at 5V, but nothing is guaranteed. Threshold is -1.0 to -2.2V, so 5V turns the channel on — yet R_DS(on) is only guaranteed at 10V. Unlike the G and K siblings, this datasheet has no 4.5V row at all. Drive it from 10V or measure your low-voltage resistance yourself.

Q4: Why is P_D only 35W when the 30A sibling has 80W?

A: The bigger die sits behind a tighter case attribution. The 50G lists R_θJC 3.6°C/W and P_D 35W at TJ 150°C; the 30P30G lists 1.56°C/W and 80W. Both are self-consistent with their own thermal rows. The practical reading: the 50G's envelope is for surge duty, not continuous 50A.

Q5: How do I use the E_AS 300mJ number?

A: Size your unclamped event against it, derated for temperature. The test is Tj 25°C, V_DD -15V, L = 0.5mH, Rg = 25Ω. Estimate your event as ½LI² at the fault current and compare — and remember it is single-pulse. Repetitive avalanche needs a clamp or snubber.

Q6: The body diode is rated -50A — what can I do with that?

A: Reverse protection and OR-ing without an external Schottky in the main path. I_S -50A, V_SD -0.85V typ and t_rr 45ns are published. Two back-to-back P-ch pairs block reverse current through the opposing body diode — the rating makes that design defensible.

Q7: What does I_DM -200A actually mean?

A: A pulse ceiling, limited by junction temperature — not a 200A switch. The pulsed rating is Note 1: pulse width limited by maximum junction temperature. It tells you the die survives stalls and inrush of that class; it does not tell you to design a 200A continuous path around it.

Q8: The datasheet claims high ESD capability — how much?

A: A feature claim without a rating row — treat it as unquantified. The v2.0 datasheet states a special process for high ESD capability but publishes no HBM or CDM number. Handle it like any power MOSFET on the bench; if ESD rating matters to your line, ask for the test data.

Q9: How do I verify a genuine NCE30P50G?

A: Test at -10A, where the row is guaranteed. A genuine part reads within 7mΩ max at 10V/-10A with V_GS(th) in the -1.0 to -2.2V band. A relabeled 30P30G fails that check — its 10mΩ max at -15A sits above the 50G's 7mΩ row even at lighter current.