SDM160S1FQ-7 - 60V 1A Schottky Rectifier SOD-123F | Diodes Inc
N.º da peça: SDM160S1FQ-7 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0.42 | $0,42 |
| 10 | $0.36 | $3,60 |
| 100 | $0.24 | $24,00 |
| 500 | $0.18 | $90,00 |
| 1.000 | $0.13 | $130,00 |
| 3.000 | $0.1 | $300,00 |
SDM160S1FQ-7 Visão geral
A Schottky rectifier is a semiconductor diode that uses a metal-semiconductor junction rather than a P-N junction, producing a lower forward voltage drop (typically 0.3-0.5 V versus 0.7 V for a standard silicon diode) and faster switching. Rectifiers sit in the hierarchy of discrete semiconductors, specifically the diode family, and serve the essential role of converting AC to DC or blocking reverse current in DC rails. Low-VF Schottky parts are the workhorse of modern switch-mode power supplies where every millivolt of forward drop translates directly into conduction loss and thermal rise.
Key specifications of the SDM160S1FQ-7 include a 60 V maximum repetitive peak reverse voltage (VRRM), 1 A average rectified forward current (IO), 530 mV typical forward voltage at 1 A, 0.06 mA maximum reverse current at 25 C, and a fast recovery speed rated below 500 ns. The SOD-123F package provides a flat-lead, low-profile footprint with a typical thermal resistance suitable for 1 A continuous conduction on standard FR-4 copper pours. The device is lead-free, RoHS compliant, and halogen-free per the "Green" device designation.
Architecturally, the SDM160S1FQ-7 uses a guard-ring die construction for transient protection and an interlocking clip design that supports high surge current capacity. These features reduce leakage under reverse bias and improve robustness during inrush events typical of hot-plug or capacitive-load circuits. The die is optimized for low conduction loss at moderate currents, making it well-suited for output rectification in low-voltage buck converters and for OR-ing redundant supplies.
Typical applications include DC-DC converter output rectification, freewheeling diodes across inductive loads such as relays and solenoids, polarity-protection in USB and battery chargers, low-voltage AC adapters, and solar/photovoltaic bypass service. The combination of small package, low VF, and fast switching supports high-density PCB layouts where thermal budget is constrained.
When designing with this part, ensure the copper-pad area under the SOD-123F cathode lead is sized to keep junction temperature below 125 C at the worst-case steady-state forward current. For pulsed or repetitive surge service, consult the IFSM rating in the manufacturer datasheet. Polarity is cathode-marked; reverse insertion will short the supply and immediately destroy the device.
This page synthesizes distributor pricing, drop-in cross-brand equivalents, and practical design notes not found on the manufacturer datasheet cover page.
Alternativas drop-in para SDM160S1FQ-7 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com SDM160S1FQ-7 (mesmo formato e footprint) — diferindo em Package.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
SDM160S1F-7
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
NRVBS260T3G
✅ Drop-In✓ Em estoque
$0.15 / unidade
Ver ficha técnica →SS16-E3/61T
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
SBR1U60P1-7
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
B160-E3/61T
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MBR160SOD-123F
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
SDM160S1FQ-7 Classificações máximas e características elétricas
| Manufacturer | Diodes Incorporated |
| Product Type | Schottky Barrier Rectifier (single diode) |
| Encapsulamento | SOD-123F |
| Tipo de montagem | Surface Mount |
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 60 V |
| Average Rectified Forward Current (IO) | 1 A |
| Forward Voltage (VF max) at IF=1 A | 530 mV |
| Maximum Reverse Current (IR) at 25 C | 0.06 mA |
| Recovery Speed | Fast Recovery (<= 500 ns) |
| Technology | Schottky (metal-semiconductor junction) |
| Die Construction | Guard Ring for Transient Protection |
| Lead Finish | Lead-Free, RoHS Compliant |
| Halogen Status | Halogen-Free ("Green" device) |
Configuração de pinos do SDM160S1FQ-7
| Pino 1 | Cathode (K) — Cathode terminal, identified by the colored stripe on the SOD-123F body |
| Pino 2 | Anode (A) — Anode terminal, the unmarked side of the SOD-123F package |
Aplicações típicas
SDM160S1FQ-7 é adequado para 7 aplicaçãos: DC-DC Converter Output Rectification, Freewheeling Diode for Inductive Loads, Reverse-Polarity Protection, Low-Voltage AC Adapter Rectification, Solar Panel Bypass Diode, OR-ing Diode for Redundant Power, Automotive 12 V Accessory Rails.
DC-DC Converter Output Rectification
The SDM160S1FQ-7 is well suited as the output rectifier in non-isolated buck and buck-boost DC-DC converters. Its 530 mV VF at 1 A keeps conduction loss low - at 1 A continuous the diode dissipates about 0.53 W, versus 0.7 W for a standard silicon rectifier - which directly improves converter efficiency and reduces thermal stress on the PCB. The fast recovery (under 500 ns) prevents reverse-recovery spikes from coupling back into the switching node, allowing clean PWM operation at 100 kHz to 1 MHz. For 12 V input to 5 V/3.3 V output designs, the 60 V VRRM provides at least 5x derating margin, ensuring long-term reliability.
Recomendado
Freewheeling Diode for Inductive Loads
The SDM160S1FQ-7 serves as a freewheeling (snubber) diode across relays, solenoids, motors, and small inductors. When the driving transistor switches off, the inductor's collapsing magnetic field generates a reverse-polarity voltage spike that can destroy the switch if not clamped; placing the SDM160S1FQ-7 in anti-parallel provides a low-impedance path that recirculates the current. Its 530 mV forward drop means the recirculation voltage stays near zero, while the 60 V reverse rating comfortably handles the back-EMF of 12 V and 24 V coils. The fast switching speed minimizes the dead-time when both the transistor and diode conduct simultaneously.
Recomendado
Reverse-Polarity Protection
The SDM160S1FQ-7 is a textbook choice for reverse-polarity protection on USB, battery, and DC-jack inputs. Wired in series with the supply rail and oriented for forward conduction, it blocks reverse voltage while its low 530 mV forward drop adds only modest loss at 1 A. Compared to P-MOSFET ideal-diode circuits, this approach is cheaper and simpler, trading a small amount of efficiency for BOM reduction. The 60 V VRRM protects downstream electronics from mis-wired bench supplies and field-service errors. The SOD-123F footprint allows placement directly behind the input connector.
Recomendado
Low-Voltage AC Adapter Rectification
In linear AC adapters and small wall-warts feeding 5 V to 24 V DC loads, the SDM160S1FQ-7 acts as the secondary-side rectifier after the transformer bridge. Its 1 A rating handles typical adapter outputs, and the 530 mV forward drop reduces heat inside the plastic enclosure compared to a 1N400x series diode. The guard-ring die construction protects against line-side transients and EFT bursts common on unconditioned mains-derived rails. The SOD-123F surface-mount package suits high-density adapter PCBs where through-hole diodes are impractical.
Recomendado
Solar Panel Bypass Diode
For small 12 V and 24 V photovoltaic panels, the SDM160S1FQ-7 operates as a bypass diode across shaded cells. Its 60 V VRRM is appropriate for series strings up to two panels, and the 1 A current rating covers typical bypass service when a single cell is partially shaded. The low forward voltage keeps power dissipation in the bypass path low, allowing the panel to continue producing useful current from its illuminated sections. The SOD-123F package is small enough to mount directly on the back of standard PV junction boxes.
Recomendado
OR-ing Diode for Redundant Power
The SDM160S1FQ-7 functions as a simple OR-ing diode between two redundant DC supplies, allowing either source to power the load while blocking reverse current into the other. The 530 mV forward drop at 1 A introduces a small but acceptable loss in 3.3 V and 5 V systems, where a MOSFET-based ideal-diode ORing controller is overkill. The 60 V reverse rating supports 12 V and 24 V redundant battery and AC-adapter topologies. The SOD-123F surface-mount package fits compact redundant-power PCBs in industrial controllers.
Recomendado
Automotive 12 V Accessory Rails
The SDM160S1FQ-7 supports non-safety automotive accessory circuits such as interior lighting, USB chargers, and infotainment power inputs. The 60 V VRRM tolerates 12 V load-dump transients up to about 35 V when combined with upstream TVS clamping, well within the 60 V rating. The 1 A continuous current matches typical accessory fuse ratings, and the low forward drop reduces heat inside the passenger cabin. The Green (lead-free, halogen-free) qualification meets automotive OEM material requirements.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para SDM160S1FQ-7 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | SDM160S1F-7 | NRVBS260T3G | SS16-E3/61T | SBR1U60P1-7 | B160-E3/61T |
|---|---|---|---|---|---|---|
| Brand | Diodes Incorporated | Diodes Incorporated | onsemi | Vishay Intertechnology | Diodes Incorporated | Vishay Intertechnology |
| Package | SOD-123F | SOD-123F - same | SOD-123F - same | SOD-123F - same | SOD-123F - same | SOD-123F - same |
| VRRM (V) | 60 | 60 | 60 | 60 | 60 | 60 |
| Average Forward Current IO (A) | 1 | 1 | 2 | 1 | 1 | 1 |
| Recovery Speed | Fast (<= 500 ns) | Fast (<= 500 ns) | Fast | Fast | Fast (SBR) | Fast |
| Green / Halogen-Free | Yes (Green, lead-free) | No (standard finish) | Yes | Yes (lead-free) | Yes (Green) | Yes (lead-free) |
Principais diferenciais
- Lowest VF in its 60 V/1 A SOD-123F class (vs Vishay SS16-E3/61T)
- Green / Halogen-Free qualification (vs Diodes SDM160S1F-7 (non-Green))
- Higher current headroom in same footprint (vs onsemi NRVBS260T3G (2 A))
Notas de projeto
Estimated: At 1 A continuous forward current and 530 mV VF, the SDM160S1FQ-7 dissipates approximately 0.53 W. With the SOD-123F package mounted on the minimum recommended copper pad (about 100 mm^2 of 1 oz copper), the junction-to-ambient thermal resistance is typically 80-100 C/W, producing a 42-53 C rise above ambient. To keep the junction below 125 C in a 70 C environment, derate to about 0.5 A continuous or expand the copper pad to at least 200 mm^2. The datasheet thermal derating curve should be consulted for the exact pad geometry used.
Use a cathode-side copper pad of at least 100 mm^2 (roughly 10 mm x 10 mm of 1 oz copper) on a standard FR-4 board to achieve rated 1 A operation. The anode side also requires copper for heat spreading, but the cathode pad is the primary thermal path. Keep the SOD-123F body away from tall adjacent components to allow post-reflow inspection and rework. Follow the JEDEC J-STD-020 MSL-1 reflow profile; the device is rated for peak body temperature of 260 C.
Never insert the SDM160S1FQ-7 in reverse polarity: the unmarked stripe on the SOD-123F body indicates the cathode side, and inserting the device backward will short the supply through the forward-biased junction and destroy the part within milliseconds. Do not parallel multiple SDM160S1FQ-7 devices for higher current without ballast resistors - small VF mismatches will force one device to carry most of the load. For 100 V or higher reverse-voltage service, upgrade to a 100 V or 150 V part in the same SOD-123F footprint.
When using the SDM160S1FQ-7 as a freewheeling diode, minimize the loop area between the diode and the switching transistor to reduce inductive ringing. Place the diode within 5 mm of the switch, with both terminals routed on the top layer to avoid via inductance. For reverse-polarity protection, place the diode immediately after the input connector and before any TVS clamp or fuse so that a reverse-miswire condition is blocked at the earliest possible point in the power path.
Informações de conformidade
Per Diodes Incorporated datasheet and product page, the SDM160S1FQ-7 is RoHS compliant, lead-free (matte-tin finish), halogen-free, antimony-free, and qualifies as a Green device. Not AEC-Q100 qualified - select an automotive-grade equivalent such as NRVBS260T3G for vehicle applications.
