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Diodes Incorporated 1N4003G-T
- Part No.:
- 1N4003G-T
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
1N4003G-T.pdf
- Description:
- DIODE GEN PURP 200V 1A DO41
- Quantity:
- Payment:
- Shipping:
Inventory:14,113
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Product details
Overview
1N4003G-T from Diodes Incorporated is a glass passivated silicon rectifier diode rated for 200 V peak repetitive reverse voltage, 1.0 A average forward current, and 30 A non-repetitive surge current. It features a low 1.0 V forward voltage drop at 1.0 A and is commonly used in AC/DC power supplies, adapter circuits, and general-purpose DC power conversion.
For engineers reviewing the 1N4003G-T datasheet, 1N4003G-T pinout, 1N4003G-T application, or 1N4003G-T equivalent, key selection criteria include its 200 V blocking capability, DO-41 package thermal resistance (100 °C/W), reverse leakage (5.0 µA @ 25°C), and suitability for 60 Hz half-wave rectification with resistive or inductive loads.
Technical Context
This diode operates as a unidirectional current-conducting device in single-phase, half-wave rectifier configurations. Its glass passivation ensures stable junction performance under thermal cycling and humidity exposure, while the DO-41 plastic case provides mechanical robustness and UL 94V-0 flammability compliance.
The 1N4003G-T exhibits a typical reverse recovery time of 2.0 µs and total capacitance of 8.0 pF at 1 MHz and 4.0 V reverse bias - parameters critical for minimizing switching noise and EMI in low-frequency power conversion stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum peak reverse voltage the diode blocks without breakdown; defines usable input AC amplitude in rectifier designs. |
| IO (TA = 75°C) | 1.0 A - Continuous DC output current capability when ambient temperature is maintained at 75°C with leads at 9.5 mm from case. |
| VFM @ IF = 1.0 A | 1.0 V - Forward voltage drop determining conduction loss and thermal dissipation in linear power supply stages. |
| IFSM (8.3 ms) | 30 A - Surge withstand rating for brief line transients or capacitor-charging inrush, enabling robust startup behavior. |
| IRM @ 25°C | 5.0 µA - Reverse leakage current at rated DC blocking voltage; impacts standby power and high-impedance sensing accuracy. |
| RθJA | 100 °C/W - Junction-to-ambient thermal resistance in free-air; used to calculate junction temperature rise under load. |
Pinout & Package
Package: DO-41 plastic case with axial leads, cathode indicated by a band, tin-plated solderable terminals, and UL 94V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to AC source or transformer secondary during positive half-cycle; determines polarity of rectified output. |
| Cathode | Forward current exit point | Marked with band; connects to load or filter capacitor; defines DC output polarity in standard rectifier topology. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and moisture resistance versus epoxy-passivated alternatives, critical for industrial environments. |
| 30 A surge rating | Supports repeated cold-start conditions in wall adapters and battery chargers without degradation. |
| RoHS-compliant finish | Tin-plated leads meet EU Directive 2002/95/EC with applicable exemptions; enables global commercial deployment. |
| DO-41 mechanical standardization | Ensures compatibility with automated through-hole insertion equipment and legacy PCB footprints. |
Applications
| AC/DC Wall Adapters | Industrial Control Power Supplies |
|---|---|
Use Scenario: Converting 120/230 VAC mains to low-voltage DC for consumer electronics. IC Role / Device Role / Timing Role: Primary rectifier in single-phase, half-wave configuration feeding capacitor-input filter. Use Value: 200 V VRRM safely accommodates 120 VAC RMS with margin; 1.0 V VFM limits conduction loss at 1 A load. | Use Scenario: Providing isolated +5 V or +12 V bias rails for PLC I/O modules and sensor interfaces. IC Role / Device Role / Timing Role: Input-stage rectifier in auxiliary power circuitry with inductive load derating applied. Use Value: 100 °C/W RθJA allows operation up to 75°C ambient without heatsinking; 5.0 µA IRM minimizes standby leakage. |
| LED Driver Input Stage | Automotive Aftermarket Accessories |
Use Scenario: Rectifying AC from low-power transformers in constant-current LED drivers. IC Role / Device Role / Timing Role: Unidirectional current path before smoothing and regulation; handles 60 Hz ripple. Use Value: 2.0 µs trr prevents excessive switching loss at line frequency; DO-41 footprint simplifies board layout. | Use Scenario: Power conversion in 12 V vehicle accessory adapters (e.g., USB chargers, dashcams). IC Role / Device Role / Timing Role: Mains-derived or alternator-sourced rectifier in compact, cost-sensitive enclosures. Use Value: 30 A IFSM tolerates automotive load dump transients; 0.30 g weight supports vibration-resistant mounting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rectifier diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4003 | No "G" suffix; older epoxy-passivated construction, higher moisture sensitivity (not rated per J-STD-020). | Limited to non-humid or non-cycled environments; not RoHS-compliant per EU Directive 2002/95/EC. | Select only if legacy design reuse mandates identical historical part number and environmental compliance is not required. |
| RS1M | Same 1.0 A / 1000 V rating but faster 500 ns trr and lower 0.95 V VFM; DO-41 package with same pinout. | Better suited for higher-frequency or efficiency-critical rectification where reduced switching loss matters. | Prefer RS1M when upgrading for lower conduction loss or tighter thermal budget; verify layout compatibility. |
Compared with 1N4003G-T, the 1N4003 lacks glass passivation and RoHS compliance, limiting modern production use; RS1M offers improved electrical performance but targets different efficiency priorities - making 1N4003G-T optimal for cost-sensitive, thermally tolerant 60 Hz rectification.
Availability
1N4003G-T is available at Aetrix Electronics and suitable for AC/DC power supplies, industrial control systems, LED driver input stages, and automotive aftermarket accessories requiring stable component supply across volume production cycles.
Supply support for 1N4003G-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, headquartered in Plano, Texas, with design and manufacturing operations across Asia and the Americas.
The 1N400xG series belongs to Diodes' general-purpose rectifier product line, engineered for reliable, low-cost AC/DC conversion in commercial and industrial power applications where robustness and standardization are prioritized over ultra-fast switching.
FAQ
What is the maximum operating temperature for the 1N4003G-T?
The 1N4003G-T has an operating junction temperature range of –65°C to +175°C. Its safe continuous operation at 1.0 A average forward current is specified at TA = 75°C with leads held at ambient temperature at 9.5 mm from the case body. Derating is required above this ambient temperature per Figure 1 in the datasheet.
Can the 1N4003G-T be used in capacitive-load rectifier circuits?
No - the datasheet explicitly requires a 20% current derating for capacitive loads due to higher peak charging currents. For full-rated 1.0 A operation, it must be used with resistive or inductive loads. In capacitor-input filter applications, the average current must be limited to 0.8 A to maintain reliability and avoid premature failure.
Is the 1N4003G-T lead-free and RoHS compliant?
Yes - the 1N4003G-T features a lead-free finish and is RoHS compliant per EU Directive 2002/95/EC, with all applicable exemptions applied. Its tin-plated leads meet MIL-STD-202 Method 208 for solderability, and the device carries the "G" suffix to denote glass passivation and RoHS-conforming construction.
How does the DO-41 package affect thermal performance?
The DO-41 package delivers a junction-to-ambient thermal resistance of 100 °C/W in free-air conditions. This value assumes standard lead length and mounting; thermal performance improves significantly with PCB copper pour or short lead lengths. For sustained 1.0 A operation, ambient temperature must remain ≤75°C, or additional heatsinking or airflow must be provided.
1N4003G-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 1 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 2 µs
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Capacitance @ Vr, F:
- 8pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-41
- Operating Temperature - Junction:
- -65°C ~ 175°C
1N4003G-T FAQ
1.How can I place an order for 1N4003G-T through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4003G-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 1N4003G-T reliable?
The price and inventory of 1N4003G-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4003G-T is usually 5 days.
3.What payment methods are accepted for 1N4003G-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4003G-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N4003G-T?
1N4003G-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N4003G-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 1N4003G-T?
For technical support, including 1N4003G-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4003G-T requirements.
6.How does Aetrix verify that 1N4003G-T is sourced from the original manufacturer or authorized distributors?
All 1N4003G-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 1N4003G-T meets industry standards.
7.What is the process for return or replacement of 1N4003G-T?
All 1N4003G-T units undergo pre-shipment inspection (PSI). If there is an issue with 1N4003G-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 1N4003G-T part is unused and in its original packaging.
Return procedure for 1N4003G-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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