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Diodes Incorporated DF01S-T
- Part No.:
- DF01S-T
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Gull Wing
- Datasheet:
-
DF01S-T.pdf
- Description:
- BRIDGE RECT 1PHASE 100V 1A DF-S
- Quantity:
- Payment:
- Shipping:
Inventory:32,338
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Product details
Overview
DF01S-T from Diodes Incorporated is a 1.0A surface-mount standard recovery bridge rectifier with 100V peak repetitive reverse voltage (VRRM), 1.1V max forward voltage at 1.0A, and 10µA max reverse leakage current at 25°C. It features glass-passivated die construction, 50A non-repetitive surge capability, and UL recognition (E364304) for use in AC/DC power supplies and industrial control power stages.
For engineers reviewing the DF01S-T datasheet, DF01S-T pinout, DF01S-T application, or DF01S-T equivalent, key selection criteria include its 100V blocking rating, thermal resistance of 40°C/W, surface-mount DF-S package compatibility, and compliance with RoHS, halogen-free, and automotive-ready manufacturing standards.
Technical Context
This single-phase, full-wave bridge rectifier integrates four silicon diodes in a monolithic DF-S molded plastic package. It operates across -55°C to +150°C junction temperature, supports 60Hz resistive/inductive loads (derate 20% for capacitive), and delivers stable DC output with low conduction loss due to its 1.1V VF max at rated current.
The device exhibits 25pF typical junction capacitance per element at 1MHz/4V reverse bias and an I²t fusing rating of 10.4 A²s, enabling robust transient surge handling without thermal runaway under short-duration line surges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum peak reverse voltage the bridge withstands without breakdown |
| IF(AV) | 1.0 A - Average forward rectified current at TA = +40°C, defining continuous DC output capability |
| VF Max | 1.1 V @ 1.0A - Forward voltage drop per diode element, directly impacting conduction loss and thermal design |
| IR Max | 10 µA @ 25°C - Reverse leakage current per element, critical for low-power standby efficiency |
| IFSM | 50 A @ 8.3ms - Non-repetitive surge current rating, supporting inrush tolerance in transformer-fed supplies |
| RθJA | 40 °C/W - Junction-to-ambient thermal resistance on standard PCB land pattern, guiding heatsinking requirements |
| CT | 25 pF @ 1MHz - Junction capacitance per diode, influencing high-frequency noise and EMI filtering needs |
Pinout & Package
Package: DF-S, surface-mount molded plastic (UL 94V-0), 7.4–7.9mm × 6.2–6.5mm × 1.0–1.2mm body, 0.38g weight, tin-plated terminals, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ~AC1 | AC Input Terminal 1 | One side of AC input winding; connects to first diode anode and second diode cathode |
| ~AC2 | AC Input Terminal 2 | Other side of AC input winding; connects to third diode anode and fourth diode cathode |
| +DC | Positive DC Output | Anode common point of two series-connected diodes; delivers rectified positive rail |
| -DC | Negative DC Output | Cathode common point of two series-connected diodes; serves as return path and ground reference |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and moisture resistance in humid or contaminated environments |
| 50A surge rating | Supports cold-start inrush currents in offline SMPS and transformer-coupled power supplies |
| UL Recognized Component (E364304) | Validates safety compliance for end-equipment certification without additional system-level testing |
| RoHS, halogen- and antimony-free | Meets global environmental regulations (Br/Cl <900ppm, Sb <1000ppm) for green manufacturing |
| DF-S surface-mount footprint | Enables automated assembly and compact board layout while maintaining thermal performance |
Applications
| Industrial Power Supplies | Consumer AC/DC Adapters |
|---|---|
Use Scenario: 100V-rated offline power supply for PLC I/O modules and motor drive auxiliary rails. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting 85–265VAC input to unregulated DC bus. Use Value: 1.1V VF enables <1.1W conduction loss at 1A, reducing heatsink size in space-constrained enclosures. | Use Scenario: Compact wall-wart adapter for set-top boxes and smart home hubs. IC Role / Device Role / Timing Role: Primary-side AC/DC conversion stage delivering 5–12V DC output. Use Value: UL recognition accelerates end-product safety certification and reduces time-to-market. |
| LED Driver Input Stage | Automotive Body Control Modules |
Use Scenario: Constant-voltage LED driver for commercial lighting with universal AC input. IC Role / Device Role / Timing Role: Input rectification before PFC and buck converter stages. Use Value: 25pF junction capacitance minimizes high-frequency switching noise coupling into downstream analog circuitry. | Use Scenario: 12V battery-supplied BCM powering window lifts, mirrors, and interior lighting. IC Role / Device Role / Timing Role: Reverse-polarity protection and input rectification for dual-battery backup systems. Use Value: -55°C to +150°C operating range ensures functionality across engine bay and cabin temperature extremes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU1K (ON Semiconductor) | Same 1A/1000V rating but larger GBU package; RθJA = 30°C/W; VF = 1.05V @ 1A | Requires larger PCB area; better thermal performance but higher profile | Select when board space allows and lower VF is prioritized over footprint |
| MB1S (Vishay) | 1A/100V, same DF-S package; VF = 1.15V @ 1A; IR = 5µA @ 25°C; no UL listing | Lacks UL recognition; tighter leakage spec but slightly higher conduction loss | Select for cost-sensitive consumer designs where UL is not mandated |
Compared with GBU1K and MB1S, DF01S-T uniquely balances UL recognition, industry-standard DF-S footprint, and 10µA leakage-making it optimal for certified industrial and automotive-adjacent power supplies requiring regulatory alignment and compact layout.
Availability
DF01S-T is available at Aetrix Electronics and suitable for industrial power supplies, consumer AC/DC adapters, and LED driver input stages requiring stable component supply, consistent parametric performance, and long-term sourcing continuity.
Supply support for DF01S-T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management, signal integrity, and protection solutions.
The DF-S bridge rectifier product line targets cost-effective, surface-mount AC/DC front-end conversion for industrial, consumer, and automotive-qualified applications-emphasizing regulatory compliance, thermal robustness, and automated assembly readiness.
FAQ
What is the maximum ambient temperature for continuous operation of DF01S-T?
The DF01S-T is rated for continuous operation up to +40°C ambient temperature at full 1.0A average forward current. Derating begins above this point per Figure 1 in DS17001 Rev. 19–2; at +85°C ambient, maximum IO drops to approximately 0.6A. The junction temperature must remain ≤+150°C under all conditions.
Is DF01S-T qualified for automotive applications?
DF01S-T is manufactured in IATF 16949-certified facilities and supports PPAP documentation, but it is not formally AEC-Q101 qualified. For automotive-grade use, Diodes offers the AEC-Q101-qualified DF01SA variant; consult your local representative for qualification status and change control requirements.
How does the DF-S package compare to GBPC or KBU packages in layout?
The DF-S package measures 7.4–7.9mm × 6.2–6.5mm with 0.38g mass, significantly smaller than through-hole GBPC (22mm × 18mm) or KBU (19mm × 14mm) packages. Its low-profile, surface-mount design enables double-sided PCB assembly and eliminates wave-soldering steps-critical for high-volume automated production.
Can DF01S-T replace DF005S-T in a 50V design?
No-DF01S-T has 100V VRRM and is not a direct replacement for DF005S-T (50V VRRM). Substituting a higher-voltage part may increase VF slightly and reduce efficiency, but more critically, layout and thermal design assume the original 50V rating. Use only if the system's reverse voltage stress remains ≤100V and derating curves are re-verified.
DF01S-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SMD, Gull Wing
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 100 V
- Current - Average Rectified (Io):
- 1 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 1 A
- Current - Reverse Leakage @ Vr:
- 10 µA @ 100 V
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DF-S
DF01S-T FAQ
1.How can I place an order for DF01S-T through Aetrix?
Please submit a Request for Quotation (RFQ) for DF01S-T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DF01S-T reliable?
The price and inventory of DF01S-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF01S-T is usually 5 days.
3.What payment methods are accepted for DF01S-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF01S-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF01S-T?
DF01S-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF01S-T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DF01S-T?
For technical support, including DF01S-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF01S-T requirements.
6.How does Aetrix verify that DF01S-T is sourced from the original manufacturer or authorized distributors?
All DF01S-T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DF01S-T meets industry standards.
7.What is the process for return or replacement of DF01S-T?
All DF01S-T units undergo pre-shipment inspection (PSI). If there is an issue with DF01S-T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DF01S-T part is unused and in its original packaging.
Return procedure for DF01S-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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