Part Details for 1N4743A by EIC Semiconductor Inc
Results Overview of 1N4743A by EIC Semiconductor Inc
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (10 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
1N4743A Information
1N4743A by EIC Semiconductor Inc is a Zener Diode.
Zener Diodes are under the broader part category of Diodes.
A diode is a electrical part that can control the direction in which the current flows in a device. Consider factors like voltage drop, current capacity, reverse voltage, and operating frequency when selecting a diode. Read more about Diodes on our Diodes part category page.
Price & Stock for 1N4743A
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
2439-1N4743A-ND
|
DigiKey | DIODE ZENER 13V 1W DO41 Min Qty: 1000 Lead time: 1 Weeks Container: Box MARKETPLACE PRODUCT |
10000 In Stock |
|
$0.1800 | Buy Now |
|
|
LCSC | Independent Type 1W 13V DO-41 Zener Diodes ROHS | 120 |
|
$0.0384 / $0.0716 | Buy Now |
Part Details for 1N4743A
1N4743A CAD Models
1N4743A Part Data Attributes
|
|
1N4743A
EIC Semiconductor Inc
Buy Now
Datasheet
|
Compare Parts:
1N4743A
EIC Semiconductor Inc
Zener Diode, 13V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | EIC SEMICONDUCTOR CO LTD | |
| Part Package Code | DO-41 | |
| Package Description | ROHS COMPLIANT, PLASTIC PACKAGE-2 | |
| Pin Count | 2 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.10.00.50 | |
| Samacsys Manufacturer | EIC Semiconductor | |
| Additional Feature | HIGH RELIABILITY, LOW LEAKAGE CURRENT | |
| Case Connection | ISOLATED | |
| Configuration | SINGLE | |
| Diode Element Material | SILICON | |
| Diode Type | ZENER DIODE | |
| Dynamic Impedance-Max | 10 Ω | |
| JEDEC-95 Code | DO-41 | |
| JESD-30 Code | O-PALF-W2 | |
| Number of Elements | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 175 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | ROUND | |
| Package Style | LONG FORM | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Polarity | UNIDIRECTIONAL | |
| Power Dissipation-Max | 1 W | |
| Qualification Status | Not Qualified | |
| Reference Voltage-Nom | 13 V | |
| Surface Mount | NO | |
| Technology | ZENER | |
| Terminal Form | WIRE | |
| Terminal Position | AXIAL | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Voltage Tol-Max | 5% | |
| Working Test Current | 19 mA |
Alternate Parts for 1N4743A
This table gives cross-reference parts and alternative options found for 1N4743A. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 1N4743A, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| MSP1N4743APTR | Microsemi Corporation | Check for Price | Zener Diode, 13V V(Z), 5%, 1W, Silicon, Unidirectional, DO-204AL, PLASTIC, DO-41, 2 PIN | 1N4743A vs MSP1N4743APTR |
| 1N4743A | Temic Semiconductors | Check for Price | Zener Diode, 13V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41, | 1N4743A vs 1N4743A |
| 1N4743A-TAP | Vishay Semiconductors | Check for Price | Zener Diode, 13V V(Z), 5%, 1W, | 1N4743A vs 1N4743A-TAP |
| 1N4743ATA2 | onsemi | Check for Price | 13V, 1W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-41, HERMETIC SEALED, GLASS, CASE 59-10, 2 PIN | 1N4743A vs 1N4743ATA2 |
| 1N4743ATA | Motorola Mobility LLC | Check for Price | 13V, 1W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-41, GLASS, CASE 59-03, 2 PIN | 1N4743A vs 1N4743ATA |
| MSP1N4743APE3TR | Microsemi Corporation | Check for Price | Zener Diode, 13V V(Z), 5%, 1W, Silicon, Unidirectional, DO-204AL, ROHS COMPLIANT, PLASIC, DO-41, 2 PIN | 1N4743A vs MSP1N4743APE3TR |
| MSP1N4743AP | Microsemi Corporation | Check for Price | Zener Diode, 13V V(Z), 5%, 1W, Silicon, Unidirectional, DO-204AL, PLASTIC, DO-41, 2 PIN | 1N4743A vs MSP1N4743AP |
| 1N4743AT50A | Fairchild Semiconductor Corporation | Check for Price | DIODE 13 V, 1 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-41, Voltage Regulator Diode | 1N4743A vs 1N4743AT50A |
| 1N4743A | Comchip Technology Corporation Ltd | Check for Price | Zener Diode, 13V V(Z), 5%, 1W, | 1N4743A vs 1N4743A |
| 1N4743A-G | Promax-Johnton Electronic Corporation | Check for Price | Zener Diode, 13V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41, GLASS, DO-14G, 2 PIN | 1N4743A vs 1N4743A-G |
1N4743A Frequently Asked Questions (FAQ)
-
The recommended mounting pad layout for the 1N4743A is a rectangular pad with a minimum size of 2.5mm x 1.5mm, with a 0.5mm radius corner to prevent thermal stress. The pad should be centered on the cathode (K) pin.
-
Yes, the 1N4743A can be used in a switching power supply, but it's essential to ensure that the diode is properly snubbed to prevent voltage spikes and ringing. A snubber circuit can be added to reduce electromagnetic interference (EMI) and ensure reliable operation.
-
To handle thermal management, ensure good thermal conductivity between the diode and the PCB or heat sink. Use a thermal interface material (TIM) with a thermal conductivity of at least 1 W/m-K. Keep the diode away from other heat sources, and ensure good airflow around the device.
-
The maximum allowable voltage transient for the 1N4743A is 1.5 times the rated voltage (100V) for a duration of less than 10ms. Exceeding this limit may cause damage to the diode.
-
The 1N4743A is not suitable for high-frequency applications above 100kHz due to its relatively high reverse recovery time (trr) of 3μs. For high-frequency applications, consider using a faster diode with a lower trr.