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Diodes Incorporated DF15005M
- Part No.:
- DF15005M
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-EDIP (0.300", 7.62mm)
- Datasheet:
-
DF15005M.pdf
- Description:
- BRIDGE RECT 1PHASE 50V 1.5A DFM
- Quantity:
- Payment:
- Shipping:
Inventory:4,342
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Product details
Overview
DF15005M from Diodes Incorporated is a 1.5A glass passivated single-phase bridge rectifier with 50V peak repetitive reverse voltage (VRRM), 1.1V forward voltage at 1.5A, and 50A non-repetitive surge capability - used in AC/DC power supplies for industrial control panels requiring compact PCB-mount rectification.
For engineers reviewing the DF15005M datasheet, DF15005M pinout, DF15005M application, or DF15005M equivalent, key selection criteria include VRRM rating, thermal resistance (40°C/W), IFSM surge margin, RoHS-compliant tin-terminated leads, and DF-M package compatibility with standard 13×13 mm copper land patterns.
Technical Context
This bridge rectifier integrates four silicon diodes in a single DF-M molded plastic case with glass passivation for enhanced reliability under thermal cycling and humidity exposure. It operates across –65°C to +150°C and delivers full-rated 1.5A average output current only when ambient temperature is ≤40°C, derating linearly beyond that per Figure 1.
The device exhibits 25 pF typical junction capacitance at 1 MHz and 4 V reverse bias, supporting stable performance in low-noise 50/60 Hz line-frequency applications. Its 10.4 A²s I²t fusing rating defines safe single-pulse surge withstand capability under 8.3 ms half-sine conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum peak reverse voltage each diode can block without breakdown; sets upper limit for AC input voltage selection. |
| IO @ TA=40°C | 1.5 A - Continuous DC output current achievable with 13×13 mm PCB copper area; requires thermal derating above 40°C ambient. |
| VFM @ IF=1.5A | 1.1 V - Forward voltage drop per diode pair in conduction; determines ~2.2 V total bridge conduction loss at full load. |
| IFSM | 50 A - Single 8.3 ms half-sine surge current tolerance; supports inrush limiting in transformer-coupled supplies. |
| RθJA | 40 °C/W - Junction-to-ambient thermal resistance on standard PCB layout; enables thermal design using ΔT = RθJA × Pdiss. |
| IRM @ 25°C | 10 µA - Peak reverse leakage per element at rated DC blocking voltage; ensures minimal standby power loss. |
| CT @ 1 MHz | 25 pF - Total junction capacitance per diode; impacts high-frequency noise coupling and EMI filter design. |
Pinout & Package
DF15005M uses the DF-M surface-mount-compatible molded plastic package (7.4–7.9 mm × 6.2–6.5 mm × 3.81–4.69 mm height), UL 94V-0 rated, with tin-plated terminals solderable per MIL-STD-202 Method 208. Polarity marked on case per industry-standard bridge orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC terminal 1 | One of two alternating-current input connections; tied internally to anode of D1 and cathode of D2. |
| AC2 | Input AC terminal 2 | Second AC input connection; tied internally to cathode of D1 and anode of D2 - forms full-wave input node pair. |
| + (Anode) | Positive DC output | Common cathode node of D1 and D3; delivers rectified positive output to filter capacitor or regulator input. |
| – (Cathode) | Negative DC output / GND reference | Common anode node of D2 and D4; serves as return path and system ground reference for downstream circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die construction | Enables operation up to +150°C junction temperature and improves long-term stability under humid environments. |
| UL Recognized Component (E94661) | Validates safety compliance for end-equipment certification in industrial and commercial AC/DC power systems. |
| Lead-free, RoHS-compliant finish (Date Code 0532+) | Meets EU Directive 2011/65/EU requirements; eliminates lead contamination risk in automated assembly and recycling. |
| 50A IFSM surge rating | Supports reliable startup into capacitive loads or transformer inrush without parametric shift or failure. |
| Moisture Sensitivity Level 1 | Permits unlimited floor life before reflow; no baking required prior to PCB assembly. |
Applications
| Industrial AC/DC Power Supply | Appliance Motor Control Board |
|---|---|
Use Scenario: Converts 24 VAC control transformer output to regulated 15 VDC for PLC I/O modules. IC Role / Device Role / Timing Role: Full-wave bridge rectifier providing unidirectional DC bus feeding bulk capacitor and linear regulator. Use Value: Low 1.1 V forward drop minimizes heat generation in space-constrained DIN-rail enclosures. | Use Scenario: Rectifies 12 VAC from relay driver transformer to power H-bridge gate drivers in washing machine motor control. IC Role / Device Role / Timing Role: Compact PCB-mount bridge delivering isolated DC rail for logic-level MOSFET biasing. Use Value: DF-M footprint allows direct replacement of legacy axial devices while maintaining creepage/clearance compliance. |
| LED Driver Input Stage | Medical Diagnostic Equipment Power Module |
Use Scenario: Provides DC input to constant-current LED driver IC from 12 VAC wall adapter. IC Role / Device Role / Timing Role: Primary rectification stage converting low-voltage AC to ripple-rich DC before buck conversion. Use Value: 25 pF junction capacitance limits high-frequency noise injection into sensitive analog LED current sensing paths. | Use Scenario: Supplies auxiliary 5 VDC rail from 6.3 VAC filament winding in portable ultrasound imaging unit. IC Role / Device Role / Timing Role: Isolated low-power bridge rectifier in secondary-side power conversion chain. Use Value: –65°C to +150°C operating range supports cold-storage transport and sterilization cycle survivability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU4A | Same 1.5A/50V rating but TO-220AB package; higher RθJA (30°C/W) due to metal tab heatsinking. | Requires mechanical mounting and heatsink; unsuitable for dense SMT layouts. | Select when board-level thermal management is impractical and chassis-mounting is available. |
| DF005M | Same DF-M package but lower 50V VRRM and 1.0A IO rating; identical pinout and footprint. | Limited to <12 VAC inputs; not suitable for 24 VAC industrial lines. | Choose only for cost-sensitive, low-voltage consumer applications where surge margin is non-critical. |
Compared with GBU4A and DF005M, DF15005M uniquely balances SMT manufacturability, 50A surge headroom, and 40°C/W thermal performance in a UL-recognized, RoHS-compliant DF-M package - making it optimal for space-constrained industrial power supplies where reworkability and regulatory alignment matter.
Availability
DF15005M is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, appliance motor control boards, and medical diagnostic equipment power modules requiring stable component supply and long-lifecycle support.
Supply support for DF15005M 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, headquartered in Plano, Texas, with design and manufacturing operations across Asia and the US.
DF15005M belongs to Diodes' DF-M series of glass-passivated bridge rectifiers, engineered specifically for high-reliability, high-volume PCB-mounted AC/DC conversion in industrial and commercial equipment.
FAQ
Is DF15005M suitable for use in automotive applications?
No. DF15005M is not AEC-Q101 qualified and lacks automotive-grade screening, temperature cycling validation, or PPAP documentation. Its –65°C to +150°C operating range does not equate to automotive qualification; use only in industrial, commercial, or consumer equipment per Diodes' published specifications.
What is the minimum recommended PCB copper area for thermal management?
Diodes specifies a 13 × 13 mm (0.03 mm thick) copper land area per terminal for the RθJA = 40°C/W rating. Reducing copper area increases thermal resistance proportionally; for example, halving land size raises RθJA to ~65°C/W, requiring significant current derating above 25°C ambient.
Does DF15005M support capacitive-load operation?
Yes, but with 20% average current derating per datasheet guidance. At full 1.5A rating, capacitive loads must be limited to ≤1.2A to prevent excessive peak diode stress during charging transients - critical for designs using large bulk electrolytic capacitors after rectification.
How does the "NOT RECOMMENDED FOR NEW DESIGN" status affect procurement?
This designation indicates Diodes has introduced newer alternatives (e.g., DF15005S) with improved efficiency or packaging. DF15005M remains fully manufactured and supported with no announced obsolescence date; Aetrix maintains active inventory and offers lifecycle coordination for legacy program continuity.
DF15005M Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-EDIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 50 V
- Current - Average Rectified (Io):
- 1.5 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 1.5 A
- Current - Reverse Leakage @ Vr:
- 10 µA @ 50 V
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DFM
DF15005M FAQ
1.How can I place an order for DF15005M through Aetrix?
Please submit a Request for Quotation (RFQ) for DF15005M 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 DF15005M reliable?
The price and inventory of DF15005M are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF15005M is usually 5 days.
3.What payment methods are accepted for DF15005M?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF15005M transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF15005M?
DF15005M orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF15005M 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 DF15005M?
For technical support, including DF15005M datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF15005M requirements.
6.How does Aetrix verify that DF15005M is sourced from the original manufacturer or authorized distributors?
All DF15005M 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 DF15005M meets industry standards.
7.What is the process for return or replacement of DF15005M?
All DF15005M units undergo pre-shipment inspection (PSI). If there is an issue with DF15005M, 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 DF15005M part is unused and in its original packaging.
Return procedure for DF15005M:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DF15005M Tags
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HDS10M-13
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MB10S-13
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