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Diodes Incorporated PR1502-T
- Part No.:
- PR1502-T
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
PR1502-T.pdf
- Description:
- DIODE GEN PURP 100V 1.5A DO15
- Quantity:
- Payment:
- Shipping:
Inventory:9,105
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Product details
Overview
PR1502-T from Diodes Incorporated is a 100 V, 1.5 A fast recovery rectifier diode in DO-41 package with 1.2 V forward voltage at 1.5 A, 50 A non-repetitive surge rating, and 250 ns reverse recovery time-used in AC/DC input stage rectification for offline power supplies and LED drivers.
For engineers reviewing the PR1502-T datasheet, PR1502-T pinout, PR1502-T application, or PR1502-T equivalent, key selection criteria include peak repetitive reverse voltage (100 V), average rectified current derating above 50 °C, thermal resistance (35 K/W), RoHS-compliant bright tin plating, and DO-41 mechanical compatibility with legacy through-hole layouts.
Technical Context
This device employs a diffused junction structure optimized for fast switching and low conduction loss in single-phase, half-wave rectification under 60 Hz resistive or inductive loads. It supports capacitive load operation with 20% current derating.
Reverse recovery is characterized at IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A per JEDEC test conditions, yielding trr = 250 ns. Junction capacitance is 10 pF at 4.0 V reverse bias and 1.0 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum peak repetitive reverse voltage; defines safe blocking capability in AC line rectification. |
| IO @ TA=50°C | 1.5 A - Average rectified output current with leads held at ambient at 9.5 mm from case; sets continuous power handling. |
| VFM @ IF=1.5A | 1.2 V - Forward voltage drop at rated DC current; directly impacts conduction loss and thermal design. |
| IFSM | 50 A - Non-repetitive surge rating (8.3 ms half-sine); determines robustness against line transients and inrush. |
| trr | 250 ns - Reverse recovery time measured per JEDEC method; critical for EMI control and switching loss in high-frequency designs. |
| RJA | 35 K/W - Junction-to-ambient thermal resistance; used to calculate temperature rise under given power dissipation. |
| IRM @ 100°C | 100 µA - Peak reverse leakage at elevated temperature; affects standby power and reliability in high-temp environments. |
Pinout & Package
DO-41 axial-leaded plastic package with cathode band marking; lead finish is bright tin, solderable per MIL-STD-202 Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Positive input terminal during forward conduction | Connected to AC source or transformer secondary; carries full load current during positive half-cycle. |
| Cathode | Negative output terminal during forward conduction | Connected to filter capacitor or load return; marked by band; defines polarity-sensitive PCB layout. |
Key Features
| Feature | Design Value |
|---|---|
| Fast recovery time | 250 ns - Enables efficient operation up to ~100 kHz switching frequencies without excessive switching loss. |
| Low forward voltage | 1.2 V @ 1.5 A - Reduces conduction loss by ~15% vs. standard 1N400x series, improving thermal margin in compact designs. |
| High surge rating | 50 A IFSM - Withstands cold-start inrush and lightning-induced surges without failure in industrial AC inputs. |
| RoHS-compliant finish | Bright tin plating - Ensures reliable solder wetting and long-term intermetallic stability in lead-free reflow processes. |
| UL 94V-0 case | Molded plastic housing - Meets flammability requirements for Class II power supplies and enclosed LED drivers. |
Applications
| AC/DC Adapter Input Stage | LED Driver Bulk Rectification |
|---|---|
Use Scenario: Single-phase, 60 Hz, half-wave rectification feeding capacitor-input filter in wall-wart adapters. IC Role / Device Role / Timing Role: Discrete power diode performing unidirectional current conversion; no timing function. Use Value: 1.2 V VF minimizes heat generation in sealed enclosures; DO-41 footprint ensures compatibility with existing manufacturing tooling. |
Use Scenario: Off-line LED driver with bridge or half-wave topology powering streetlight or commercial lighting modules. IC Role / Device Role / Timing Role: Main rectifier element converting AC line to pulsating DC prior to buck or flyback regulation. Use Value: 50 A IFSM withstands repeated lamp hot-restrike surges; 100 V VRRM covers 120 VAC + 20% tolerance. |
| Industrial Control Power Supply | Appliance Motor Drive Input |
Use Scenario: Auxiliary power supply for PLC I/O modules operating in ambient temperatures up to 70 °C. IC Role / Device Role / Timing Role: Primary-side rectifier delivering bias power to isolated gate drivers and logic circuits. Use Value: 35 K/W RJA enables stable operation without heatsinking at 1.0 A load; -65 °C to +150 °C rating supports wide environmental range. |
Use Scenario: Input rectification for universal motor control in vacuum cleaners or power tools with variable-speed triac dimming. IC Role / Device Role / Timing Role: Line-frequency rectifier supplying DC bus to H-bridge or phase-cut controller. Use Value: 250 ns trr reduces EMI generation during commutation; UL 94V-0 case meets appliance safety standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4934 | Same DO-41 package, but VRRM = 100 V, trr = 200 ns, VF = 1.3 V @ 1.0 A - slightly faster but higher forward drop at lower current. | Optimized for lower-current (<1.0 A), higher-frequency flyback snubbers rather than 1.5 A bulk rectification. | Select when trr < 200 ns is required and IO ≤ 1.0 A; avoid if conduction loss at 1.5 A is critical. |
| FR104 | VRRM = 200 V, IO = 1.0 A, trr = 500 ns, VF = 1.3 V @ 1.0 A - higher voltage rating but slower and lower current rating. | Suitable for 230 VAC inputs where 100 V is insufficient, but requires derating for 1.5 A continuous use. | Choose only for 230 VAC systems needing >150 V blocking; not recommended for 120 VAC 1.5 A applications due to thermal limitation. |
Compared with 1N4934 and FR104, PR1502-T uniquely balances 1.5 A current capability, 100 V blocking, and 250 ns recovery-making it optimal for cost-sensitive, thermally constrained 120 VAC input stages where both conduction and switching losses must be managed.
Availability
PR1502-T is available at Aetrix Electronics and suitable for AC/DC adapter input stages, LED driver bulk rectification, and industrial control power supplies requiring stable component supply and DO-41 through-hole compatibility.
Supply support for PR1502-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-efficiency power management and signal integrity solutions.
PR1502-T belongs to the PR150x/S fast recovery rectifier product line, designed specifically for cost-effective, thermally robust line-frequency rectification in consumer, industrial, and lighting power supplies.
FAQ
What is the maximum allowable ambient temperature for PR1502-T at full 1.5 A load?
At 1.5 A DC, the device reaches thermal limit at approximately 50 °C ambient temperature, as specified in the datasheet's derating curve. Operation above this requires current reduction or forced-air cooling, since RJA = 35 K/W implies ~52.5 °C junction rise at full load-exceeding the 150 °C max Tj if ambient exceeds 50 °C.
Is PR1502-T compatible with lead-free reflow soldering processes?
Yes-PR1502-T features bright tin-plated leads qualified per MIL-STD-202 Method 208 and rated for lead-free reflow profiles. Its DO-41 package withstands peak temperatures up to 260 °C for 10 seconds, meeting IPC/JEDEC J-STD-020C Level 1 moisture sensitivity requirements.
Can PR1502-T replace a 1N4002 in an existing design?
Yes, with performance benefits: PR1502-T offers faster recovery (250 ns vs. 8 µs), lower VF (1.2 V vs. ~1.1 V at 1 A), and higher IFSM (50 A vs. 30 A). However, verify layout clearance for DO-41 dimensions and confirm that 100 V VRRM suffices for the application's peak line voltage.
Why is PR1502-T marked "NOT RECOMMENDED FOR NEW DESIGN" in the datasheet?
This designation reflects Diodes Incorporated's strategic shift toward newer platforms like the FRED Pt® series with superior trr and Qrr. PR1502-T remains fully qualified and supported for legacy production and repair, but new designs should consider alternatives offering better efficiency or smaller footprints such as the SB1100 or MUR110.
PR1502-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-204AC, DO-15, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 1.5A
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 1.5 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 150 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 100 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-15
- Operating Temperature - Junction:
- -65°C ~ 150°C
PR1502-T FAQ
1.How can I place an order for PR1502-T through Aetrix?
Please submit a Request for Quotation (RFQ) for PR1502-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 PR1502-T reliable?
The price and inventory of PR1502-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PR1502-T is usually 5 days.
3.What payment methods are accepted for PR1502-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PR1502-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PR1502-T?
PR1502-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PR1502-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 PR1502-T?
For technical support, including PR1502-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PR1502-T requirements.
6.How does Aetrix verify that PR1502-T is sourced from the original manufacturer or authorized distributors?
All PR1502-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 PR1502-T meets industry standards.
7.What is the process for return or replacement of PR1502-T?
All PR1502-T units undergo pre-shipment inspection (PSI). If there is an issue with PR1502-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 PR1502-T part is unused and in its original packaging.
Return procedure for PR1502-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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