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Diodes Incorporated 1N4004GL-T
- Part No.:
- 1N4004GL-T
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
1N4004GL-T.pdf
- Description:
- DIODE GEN PURP 400V 1A DO41
- Quantity:
- Payment:
- Shipping:
Inventory:4,622
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Product details
Overview
1N4004GL-T from Diodes Incorporated is a glass-passivated silicon rectifier diode rated for 400V peak repetitive reverse voltage, 1.0A average forward current, and 30A non-repetitive surge current; it features 1.0V forward voltage at 1.0A and is used in AC/DC power supplies, adapter circuits, and general-purpose rectification.
For engineers reviewing the 1N4004GL-T datasheet, 1N4004GL-T pinout, 1N4004GL-T application, or 1N4004GL-T equivalent, key selection criteria include VRRM = 400V, IO = 1.0A @ TA = 75°C, IFSM = 30A, VFM = 1.0V @ IF = 1.0A, and DO-41 package compatibility with through-hole PCB layouts.
Technical Context
This device operates as a single-phase, half-wave rectifier under 60Hz resistive or inductive loads; capacitive loads require 20% current derating. Its glass-passivated die construction ensures stable junction performance and enhanced moisture resistance.
Thermal resistance is 100°C/W (junction-to-ambient), with operating temperature spanning –65°C to +175°C. Reverse recovery time is 2.0µs (IF = 0.5A, IR = –1A, Irr = 0.25A), and junction capacitance is 8.0pF at 1MHz and 4.0V reverse bias.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 400 V - Maximum peak reverse voltage before breakdown; defines safe AC input voltage limit in bridge or half-wave rectifiers. |
| IO | 1.0 A @ TA = 75°C - Continuous DC output current capability when leads are held at ambient at 9.5mm from case. |
| IFSM | 30 A - Peak surge withstand for one 8.3ms half-sine cycle; supports inrush current handling in transformer-fed supplies. |
| VFM | 1.0 V @ IF = 1.0A - Forward conduction loss directly impacts thermal rise and efficiency in low-voltage secondary-side rectification. |
| trr | 2.0 µs - Reverse recovery time affects switching losses and EMI in higher-frequency rectifier applications up to ~10kHz. |
| RθJA | 100 °C/W - Junction-to-ambient thermal resistance; determines required heatsinking or layout copper area for sustained 1A operation. |
Pinout & Package
Package: DO-41 molded plastic case (UL 94V-0), axial leaded, cathode band marked on body. Dimensions: A = 25.40 mm (length), B = 4.06–5.21 mm (body diameter), C = 0.71–0.864 mm (lead diameter), D = 2.00–2.72 mm (lead spacing).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to AC source or transformer secondary; polarity must align with circuit's forward-bias requirement. |
| Cathode | Forward current exit / reverse blocking terminal | Marked by band; ties to positive rail in half-wave rectifier; reverse voltage applied here during off-cycle. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enables stable long-term reliability and improved resistance to humidity-induced leakage versus epoxy-passivated equivalents. |
| 30A surge rating | Supports transient overload conditions common in transformer-coupled power supplies without catastrophic failure. |
| RoHS-compliant tin-plated leads | Ensures solderability per MIL-STD-202 Method 208 and compliance with EU Directive 2002/95/EC. |
| 100°C/W thermal resistance | Allows direct PCB mounting without heatsink for ≤1A continuous operation in free-air at ≤75°C ambient. |
Applications
| AC/DC Wall Adapters | Industrial Control Power Supplies |
|---|---|
Use Scenario: Step-down transformer followed by single-diode half-wave rectification feeding linear regulator or capacitor-input filter. IC Role / Device Role / Timing Role: Rectifying element converting AC line-derived secondary voltage to pulsating DC. Use Value: Low VFM (1.0V) minimizes conduction loss and heat generation in compact, unventilated enclosures. | Use Scenario: Auxiliary 24V DC supply derived from 115VAC control panel mains via step-down transformer and discrete rectification. IC Role / Device Role / Timing Role: Primary rectifier in ruggedized, long-lifecycle industrial power stage. Use Value: –65°C to +175°C operating range and glass passivation ensure reliability across wide ambient and thermal cycling conditions. |
| Consumer Appliance Power Sections | LED Driver Input Stages |
Use Scenario: Low-cost rectification in microwave oven control boards, washing machine timers, or HVAC fan controllers. IC Role / Device Role / Timing Role: General-purpose AC input rectifier providing unregulated DC bus for logic and relay drivers. Use Value: DO-41 axial package enables automated through-hole insertion and wave soldering in high-volume manufacturing. | Use Scenario: Bridge or half-wave rectification feeding constant-current LED driver ICs in outdoor signage or streetlight modules. IC Role / Device Role / Timing Role: Input-stage rectifier handling 50/60Hz line frequency prior to buck or flyback conversion. Use Value: 400V VRRM safely accommodates 230VAC nominal inputs with margin for line surges and transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rectifier diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4004-T | Same electrical specs and DO-41 package; differs only in passivation (plastic vs. glass) and RoHS status (non-RoHS legacy variant). | Not suitable for new RoHS-compliant designs; may be used in legacy repair or non-regulated markets. | Select 1N4004GL-T for certified RoHS compliance and superior moisture resistance. |
| RS1M | DO-41, 1.0A/1000V, VFM = 1.3V, trr = 500ns - faster but higher forward drop and cost. | Better suited for higher-frequency or higher-VRRM requirements where speed matters more than conduction loss. | Choose RS1M only if >400V blocking or sub-µs recovery is required; otherwise 1N4004GL-T offers optimal cost/performance balance. |
Compared with 1N4004-T, the 1N4004GL-T adds RoHS compliance and glass passivation for enhanced reliability; versus RS1M, it trades lower VFM and cost for slower recovery-making it ideal for standard 50/60Hz line-frequency rectification.
Availability
1N4004GL-T is available at Aetrix Electronics and suitable for AC/DC power supplies, industrial control systems, and consumer appliance power sections requiring stable component supply and long-term manufacturability.
Supply support for 1N4004GL-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, serving industrial, computing, communications, and consumer markets.
The 1N400xG series belongs to Diodes' general-purpose rectifier product line, designed specifically for cost-sensitive, high-volume AC/DC conversion where reliability, manufacturability, and regulatory compliance are essential.
FAQ
Is 1N4004GL-T suitable for use in a 230VAC input rectifier?
Yes. With a 400V peak repetitive reverse voltage (VRRM), the 1N4004GL-T supports 230VAC RMS inputs (≈325V peak) with adequate margin for normal line variations and brief transients. It is commonly used in such configurations when paired with appropriate fusing and inrush limiting.
What is the difference between 'GL' and 'G' suffixes in Diodes Incorporated part numbers?
The 'GL' suffix denotes glass-passivated construction and RoHS-compliant tin-plated leads, while 'G' indicates plastic-passivated construction. Both share identical electrical ratings and DO-41 packaging, but GL variants offer superior environmental robustness and regulatory compliance for modern designs.
Can 1N4004GL-T replace 1N4007GL-T in a 100VDC power supply?
No-though both share the same forward characteristics, the 1N4004GL-T has a 400V VRRM versus 1000V for the 1N4007GL-T. Substitution is only safe if the circuit's maximum reverse voltage never exceeds 400V; otherwise, premature breakdown may occur.
Does 1N4004GL-T require a heatsink in typical operation?
Not under standard conditions: at 1.0A average forward current and 75°C ambient, its 100°C/W thermal resistance results in ≈100°C junction rise-within the –65°C to +175°C rating. Adequate PCB copper and airflow eliminate need for external heatsinking in most linear or low-duty-cycle applications.
1N4004GL-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 400 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 @ 400 V
- Capacitance @ Vr, F:
- 8pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-41
- Operating Temperature - Junction:
- -65°C ~ 150°C
1N4004GL-T FAQ
1.How can I place an order for 1N4004GL-T through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4004GL-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 1N4004GL-T reliable?
The price and inventory of 1N4004GL-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4004GL-T is usually 5 days.
3.What payment methods are accepted for 1N4004GL-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4004GL-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N4004GL-T?
1N4004GL-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N4004GL-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 1N4004GL-T?
For technical support, including 1N4004GL-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4004GL-T requirements.
6.How does Aetrix verify that 1N4004GL-T is sourced from the original manufacturer or authorized distributors?
All 1N4004GL-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 1N4004GL-T meets industry standards.
7.What is the process for return or replacement of 1N4004GL-T?
All 1N4004GL-T units undergo pre-shipment inspection (PSI). If there is an issue with 1N4004GL-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 1N4004GL-T part is unused and in its original packaging.
Return procedure for 1N4004GL-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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