STMicroelectronics SMA4F20AY 1-Element Uni-Directional TVS Diode, 400 W, 2-Pin SMA Flat
- RS Stock No.:
- 192-4268
- Mfr. Part No.:
- SMA4F20AY
- Brand:
- STMicroelectronics
Bulk discount available
View bulk pricing optionsSubtotal (1 pack of 25 units)*
£3.10
(exc. VAT)
£3.725
(inc. VAT)
FREE delivery for orders over £60.00
Temporarily out of stock
- Shipping from 05 May 2027
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Units | Per unit | Per Pack* |
|---|---|---|
| 25 - 100 | £0.124 | £3.10 |
| 125 - 225 | £0.117 | £2.93 |
| 250 - 600 | £0.111 | £2.78 |
| 625 - 1225 | £0.104 | £2.60 |
| 1250 + | £0.103 | £2.58 |
*price indicative
- RS Stock No.:
- 192-4268
- Mfr. Part No.:
- SMA4F20AY
- Brand:
- STMicroelectronics
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | STMicroelectronics | |
| Diode Configuration | Single | |
| Direction Type | Uni-Directional | |
| Product Type | TVS Diode | |
| Minimum Breakdown Voltage Vbr | 22.2V | |
| Mount Type | Surface | |
| Package Type | SMA Flat | |
| Maximum Reverse Stand-off Voltage Vwm | 20V | |
| Pin Count | 2 | |
| Peak Pulse Power Dissipation Pppm | 400W | |
| Test Current It | 1mA | |
| Minimum Operating Temperature | -55°C | |
| Clamping Voltage VC | 42.8V | |
| Maximum Peak Pulse Current Ippm | 54A | |
| Maximum Operating Temperature | 175°C | |
| Number of Elements per Chip | 1 | |
| Length | 4.6mm | |
| Width | 2.9mm | |
| Series | SMA4FxxAY | |
| Standards/Approvals | No | |
| Height | 1.05mm | |
| Automotive Standard | AEC-Q101 | |
| Maximum Reverse Leakage Current | 1μA | |
| Select all | ||
|---|---|---|
Brand STMicroelectronics | ||
Diode Configuration Single | ||
Direction Type Uni-Directional | ||
Product Type TVS Diode | ||
Minimum Breakdown Voltage Vbr 22.2V | ||
Mount Type Surface | ||
Package Type SMA Flat | ||
Maximum Reverse Stand-off Voltage Vwm 20V | ||
Pin Count 2 | ||
Peak Pulse Power Dissipation Pppm 400W | ||
Test Current It 1mA | ||
Minimum Operating Temperature -55°C | ||
Clamping Voltage VC 42.8V | ||
Maximum Peak Pulse Current Ippm 54A | ||
Maximum Operating Temperature 175°C | ||
Number of Elements per Chip 1 | ||
Length 4.6mm | ||
Width 2.9mm | ||
Series SMA4FxxAY | ||
Standards/Approvals No | ||
Height 1.05mm | ||
Automotive Standard AEC-Q101 | ||
Maximum Reverse Leakage Current 1μA | ||
- COO (Country of Origin):
- MA
The SMA4FY Transil series are designed to protect sensitive automotive circuits against surges and against electrostatic discharges. The Planar technology makes it compatible with high-end circuits where low leakage current and high junction temperature are required to provide long term reliability and stability.
Peak pulse power: 400 W (10/1000 μs) and 2.5 kW (8/20 μs)
Flat and thin package: 1 mm
Stand-off voltage range from 5 V to 188 V
Unidirectional type
Low leakage current: 0.2 μA at 25 °C and 1 μA at 85 °C
Operating Tj max: 175 °C
High power capability at Tj max.: up to 200 W (10/1000 μs)
Lead finishing: matte tin plating
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