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Diodes Incorporated 1N4935GL-T
- Part No.:
- 1N4935GL-T
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
1N4935GL-T.pdf
- Description:
- DIODE GEN PURP 200V 1A DO41
- Quantity:
- Payment:
- Shipping:
Inventory:4,718
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Product details
Overview
1N4935GL-T from Diodes Incorporated is a 1.0A fast recovery glass passivated rectifier diode with 200V peak repetitive reverse voltage (VRRM), 1.2V forward voltage at 1.0A, and 200ns reverse recovery time (trr), used in AC/DC input stage rectification for offline switch-mode power supplies and auxiliary power rails.
For engineers reviewing the 1N4935GL-T datasheet, 1N4935GL-T pinout, 1N4935GL-T application, or 1N4935GL-T equivalent, key selection criteria include VRRM derating for capacitive loads, thermal resistance (RθJA = 100 K/W), surge rating (30A peak), and DO-41 package compatibility with through-hole PCB layouts.
Technical Context
This discrete rectifier employs a diffused junction and glass passivated die construction to achieve fast switching performance and high reliability under repetitive surge stress. Its 200ns trr enables efficient operation in 50–100 kHz SMPS front-end designs where reverse recovery losses must be minimized.
The device supports 1.0A average rectified output current at TA = 75°C with mandatory lead length control (9.5 mm from case), and exhibits low junction capacitance (15 pF at 4.0V reverse bias, 1 MHz) suitable for moderate-frequency rectification without excessive EMI generation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum non-repetitive reverse voltage before breakdown; sets minimum insulation margin for 120/230 VAC input designs. |
| IF(AV) | 1.0 A at TA = 75°C - Continuous DC output current capability with defined thermal mounting condition (9.5 mm lead length). |
| VFM | 1.2 V @ IF = 1.0A - Forward conduction loss directly impacts efficiency and thermal rise in rectifier stage. |
| trr | 200 ns - Reverse recovery time determines switching loss and RFI generation during turn-off in inductive/capacitive loads. |
| IFSM | 30 A peak (8.3 ms half-sine) - Surge withstand capability for cold-start inrush and line transients. |
| RθJA | 100 K/W - Junction-to-ambient thermal resistance defines required board copper area and airflow for thermal management. |
| Cj | 15 pF @ VR = 4.0V, 1 MHz - Junction capacitance affects high-frequency noise coupling and snubber design. |
Pinout & Package
Package: DO-41 molded plastic case (UL 94V-0), axial leads with cathode band marking. Weight: 0.35 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to AC source or transformer secondary; polarity-sensitive for correct rectification direction. |
| Cathode | Forward current exit point | Marked by band; connects to positive rail; reverse-biased during off-state to block AC half-cycles. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances moisture resistance and long-term stability of reverse leakage (IRM ≤ 5 μA @ 25°C). |
| Diffused junction | Enables controlled carrier lifetime for predictable trr = 200 ns and soft recovery behavior. |
| 30A surge rating | Supports robustness against line surges and capacitor charging spikes without failure. |
| RoHS-compliant finish | Bright tin-plated leads meet MIL-STD-202 solderability requirements and eliminate lead-based assembly concerns. |
Applications
| AC/DC Adapter Input Rectification | Industrial Control Power Supply |
|---|---|
Use Scenario: 120 VAC-fed wall adapter converting to 12 VDC for consumer electronics. IC Role / Device Role / Timing Role: Primary-side unidirectional current steering element in single-phase bridge or half-wave configuration. Use Value: 1.2 V VFM minimizes conduction loss at 1 A load; 200 V VRRM provides 2× safety margin over peak line voltage (170 V). | Use Scenario: Auxiliary 5 V/1 A bias supply in PLC I/O module powered from 24 VAC field wiring. IC Role / Device Role / Timing Role: Isolated rectifier feeding linear regulator or buck converter input. Use Value: 30 A IFSM withstands repeated 24 VAC short-circuit events; DO-41 package allows manual rework in field-serviceable assemblies. |
| LED Driver Bulk Rectification | Appliance Motor Control Auxiliary Supply |
Use Scenario: Off-line LED driver for commercial lighting with universal input (90–305 VAC). IC Role / Device Role / Timing Role: Input-stage rectifier preceding PFC controller and flyback primary. Use Value: 200 ns trr reduces switching loss and EMI in 65 kHz PFC stage; 100 K/W RθJA enables natural-convection cooling on compact PCB. | Use Scenario: Low-power logic supply derived from mains-connected motor drive board. IC Role / Device Role / Timing Role: Half-wave rectifier feeding RC-filtered +5 V rail for microcontroller and gate drivers. Use Value: Glass passivation ensures reliability under humid kitchen/bathroom environments; cathode band enables rapid visual polarity verification during assembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1L06 | VRRM = 600 V, trr = 150 ns, VF = 1.15 V @ 1 A, DO-41 package | Higher voltage rating and faster recovery; suited for 230 VAC-only or higher-margin designs | Select when >400 V reverse stress or <200 ns trr is required; may increase cost without benefit in 120 VAC systems. |
| ON Semiconductor MUR120 | VRRM = 200 V, trr = 75 ns, VF = 1.0 V @ 1 A, DO-41 package | Lower VF and faster trr; optimized for higher-frequency, lower-loss operation | Prefer for 100+ kHz SMPS where conduction and switching loss trade-offs favor ultrafast performance. |
Compared with STTH1L06 and MUR120, the 1N4935GL-T offers balanced cost-performance for general-purpose 50/60 Hz–100 kHz rectification, with proven thermal robustness and RoHS compliance in legacy-compatible DO-41 packaging.
Availability
1N4935GL-T is available at Aetrix Electronics and suitable for AC/DC adapters, industrial control power supplies, LED driver bulk rectification, and appliance auxiliary power rails requiring stable component supply and long-lifecycle support.
Supply support for 1N4935GL-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, cost-optimized components for power management and signal integrity.
The 1N493xG series targets cost-sensitive, high-volume rectification applications where fast recovery, surge robustness, and DO-41 compatibility are prioritized over ultra-low VF or sub-100 ns trr.
FAQ
What is the maximum allowable ambient temperature for continuous 1.0A operation?
The 1N4935GL-T delivers 1.0A average forward current only when ambient temperature is maintained at ≤75°C and leads are held at ambient temperature at 9.5 mm from the case body. At 25°C ambient, derating curves permit up to ~1.3A, but thermal design must account for RθJA = 100 K/W and PCB copper area.
Can this diode replace a standard 1N4007 in a 120 VAC power supply?
Yes, the 1N4935GL-T (200 V VRRM) exceeds the 1N4007's 1000 V rating but offers faster recovery (200 ns vs. 30 µs) and lower VF (1.2 V vs. ~1.1 V at 1 A). It is suitable where reduced switching loss or EMI is needed, though its lower surge rating (30 A vs. 30 A for 1N4007) requires verification against inrush profiles.
Is the DO-41 package compatible with automated through-hole insertion equipment?
Yes, the DO-41 package has standardized axial lead spacing and dimensions per JEDEC DO-41 outline, supporting compatibility with common wave soldering and selective soldering processes. Lead finish (bright tin) meets MIL-STD-202 Method 208 for reliable wetting and joint formation in high-yield manufacturing.
Does the "L" in 1N4935GL-T indicate a specific revision or screening level?
No - the "L" is a Diodes Incorporated internal part number suffix denoting tape-and-reel packaging (5K per reel) and RoHS-compliant finish; it does not indicate enhanced screening, extended temperature range, or process revision beyond the base 1N4935G specification.
1N4935GL-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):
- 200 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 200 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-41
- Operating Temperature - Junction:
- -65°C ~ 150°C
1N4935GL-T FAQ
1.How can I place an order for 1N4935GL-T through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4935GL-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 1N4935GL-T reliable?
The price and inventory of 1N4935GL-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4935GL-T is usually 5 days.
3.What payment methods are accepted for 1N4935GL-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4935GL-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N4935GL-T?
1N4935GL-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N4935GL-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 1N4935GL-T?
For technical support, including 1N4935GL-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4935GL-T requirements.
6.How does Aetrix verify that 1N4935GL-T is sourced from the original manufacturer or authorized distributors?
All 1N4935GL-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 1N4935GL-T meets industry standards.
7.What is the process for return or replacement of 1N4935GL-T?
All 1N4935GL-T units undergo pre-shipment inspection (PSI). If there is an issue with 1N4935GL-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 1N4935GL-T part is unused and in its original packaging.
Return procedure for 1N4935GL-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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