SDM1A40CSP-7 Diodes Inc. Schottky Diode (Other) In Stock
Diodes Inc. SDM1A40CSP-7 is a single silicon Schottky rectifier diode rated for 1 A continuous forward current and 40 V reverse voltage in a compact CSP-2 package. Features a non-repetitive peak forward current of 14 A and low forward voltage drop for general-purpose rectification. Available in stock with worldwide shipping.
- Manufacturer
- Diodes Inc.
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- SDM1A40CSP-7 Datasheet PDF
- Category
- Schottky Diode
- Price
- From $0.0747(MOQ 500)
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SDM1A40CSP-7?
- 40 V reverse voltage and 1 A continuous forward current rating in a compact CSP-2 chip-scale package for space-constrained PCB layouts
- Non-repetitive peak forward current of 14 A enabling robust surge handling in rectifier and protection circuit applications
- Silicon Schottky junction technology providing low forward voltage drop and fast reverse recovery for efficient high-frequency rectification
What is SDM1A40CSP-7 used for?
The SDM1A40CSP-7 is used in general-purpose rectification, reverse polarity protection, and freewheeling diode applications in portable electronics, switching power supplies, and DC-DC converter output stages. Its 40 V blocking voltage and 1 A continuous rating cover typical 5 V to 24 V system protection requirements in compact consumer and industrial products. The chip-scale CSP-2 footprint minimizes PCB area, making it ideal for space-critical designs such as wearables, IoT modules, and handheld instruments.
What are the specifications of SDM1A40CSP-7?
| Factory Lead Time | 12Weeks |
| YTEOL | 5 |
| Application | GENERAL PURPOSE |
| Case Connection | ANODE |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | RECTIFIER DIODE |
| JESD-30 Code | R-XBCC-N2 |
| JESD-609 Code | e4 |
| Non-rep Pk Forward Current-Max | 14A |
| Number of Elements | 1 |
| Number of Phases | 1 |
| Output Current-Max | 1A |
| Package Body Material | UNSPECIFIED |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER |
| Peak Reflow Temperature (Cel) | 260 |
| Rep Pk Reverse Voltage-Max | 40V |
| Surface Mount | YES |
| Technology | SCHOTTKY |
| Terminal Finish | Nickel/Gold (Ni/Au) |
| Terminal Form | NO LEAD |
| Terminal Position | BOTTOM |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.80 |
| Country of Origin | Mainland China |
Where can I find the SDM1A40CSP-7 datasheet?
SDM1A40CSP-7 Datasheet DownloadOfficial datasheet from Diodes Inc.
What are equivalent replacements for SDM1A40CSP-7?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the key electrical ratings of the SDM1A40CSP-7 Schottky diode?
The SDM1A40CSP-7 is rated for 40 V reverse voltage, 1 A continuous forward current, and a non-repetitive peak forward current of 14 A. The Schottky junction delivers a low forward voltage drop, typically 0.3 V to 0.45 V at 1 A, reducing conduction losses in rectifier stages operating at 5 V or 12 V supply rails compared to standard PN junction diodes with 0.7 V drop.
How does the CSP-2 package of the SDM1A40CSP-7 benefit high-density PCB designs?
The CSP-2 (chip-scale package) used by the SDM1A40CSP-7 has a footprint of approximately 1 mm x 0.6 mm, making it among the smallest available for a 1 A, 40 V Schottky diode. Compared to SOD-123 or SMA packages of similar rating, the CSP-2 occupies less than 30% of the PCB area, enabling diode placement under or adjacent to ICs in dense IoT module and wearable designs.
For which surge handling scenarios is the 14 A peak current of the SDM1A40CSP-7 relevant?
The 14 A non-repetitive peak forward current allows the SDM1A40CSP-7 to absorb short-duration current surges, such as inrush currents when a capacitive load is connected to a 5 V USB power supply or during startup transients in DC-DC converter output stages. At 14 A peak for durations below 1 ms, the diode withstands single-event surges without degradation, providing protection margin 14x above its 1 A continuous rating.
When should a designer choose the SDM1A40CSP-7 over a standard PN rectifier for a 24 V reverse polarity protection circuit?
For reverse polarity protection in a 24 V system at currents up to 1 A, the SDM1A40CSP-7 Schottky diode dissipates approximately 0.35 W of conduction loss versus 0.7 W for a standard PN rectifier at the same forward current, cutting diode thermal dissipation in half. The 40 V blocking voltage provides a safety margin of 16 V above the 24 V rail, accommodating transients up to 40 V without breakdown in automotive accessory or industrial sensor supply circuits.
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Why Buy from FindMyChip
About Diodes Inc.
Diodes Inc. is a leading electronic component manufacturer. FindMyChip sources Diodes Inc. ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 500+ | $0.1510 | $75.50 |
| 1000+ | $0.1330 | $133.00 |
| 2315+ | $0.0864 | $200.02 |
| 2995+ | $0.0836 | $250.38 |
| 4010+ | $0.0749 | $300.35 |
| 40000+ | $0.0747 | $2987.20 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
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