Alternative to SMA4F40AY: Better-Value Equivalents in Stock
Comparing the SMA4F40AY (SMA4F40AY - STMicroelectronics ESD Suppressors / TVS Diodes Automotive 400 W, 40 V TVS in SMA Flat) against alternatives? Pro Disk Network stocks 12 similar parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the SMA4F40AY
| SKU | SMA4F40AY |
|---|---|
| Product | SMA4F40AY - STMicroelectronics ESD Suppressors / TVS Diodes Automotive 400 W, 40 V TVS in SMA Flat |
| Stock status | In Stock |
| Detail page | View SMA4F40AY › |
Alternatives to SMA4F40AY
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
APDAM3B - Cheetah Mounts Dual Articulating Arm TV Wall Mount Bracket for 20-65 Inch TVs up to VESA 400
SKU: APDAM3B
Price: $61.88
HDD2E02 - Toshiba Automotive 40GB 4200RPM ATA-100 8MB Cache 2.5-inch Hard Disk Drive
SKU: HDD2E02
Price: $199.51
HDD2G01 - Toshiba Automotive 40GB 4200RPM IDE / ATA-100 8MB Cache 2.5-inch Hard Drive
SKU: HDD2G01
Price: $224.61
HDD2G20 - Toshiba Automotive 40GB 4200RPM ATA-100 8MB Cache 2.5-inch Hard Disk Drive
SKU: HDD2G20
Price: $270.54
MK4036GACE - Toshiba Automotive 40GB 4200RPM ATA-100 8MB Cache 2.5-inch Hard Disk Drive
SKU: MK4036GACE
Price: $278.72
HDD2E33 - Toshiba Automotive 40GB 4200RPM ATA-100 8MB Cache 2.5-inch Hard Disk Drive
SKU: HDD2E33
Price: $281.80
MK4050GAC - Toshiba Automotive 40GB 4200RPM ATA-7 2.5-inch Hard Disk Drive
SKU: MK4050GAC
Price: $282.20
HDD2E31 - Toshiba Automotive 40GB 4200RPM ATA-100 8MB Cache 2.5-inch Hard Disk Drive
SKU: HDD2E31
Price: $401.07
HDD2G13 - Toshiba Automotive 40GB 4200RPM ATA-100 8MB Cache 2.5-inch Hard Disk Drive
SKU: HDD2G13
Price: $556.74
HDD2G19 - Toshiba Automotive 40GB 4200RPM ATA-100 8MB Cache 2.5-inch Hard Disk Drive
SKU: HDD2G19
Price: $712.37
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.