1N4744AAlternatives & Equivalent Parts
About 1N4744A
1N4744A is a Zener Diode component manufactured by Taiwan Semiconductor. It comes in a Diodes, Axial Diameter Horizontal Mounting package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | 1N4744ASource | 22-28-4030 | 90130-3226 | NDF10N60ZH |
|---|---|---|---|---|
| Manufacturer | Taiwan Semiconductor | Molex | Molex | ON Semiconductor |
| Package Type | Diodes, Axial Diameter Horizontal Mounting | Header, Vertical | Header, Shrouded - Right Angle PTH Box | Transistor Outline, Vertical |
| Pin Count | 2 | 3 | 26 | 3 |
| Temperature Range | -55.0°C ~ 150.0°C | -40.0°C ~ 80.0°C | -55.0°C ~ 125.0°C | ~ 150.0°C |
| Price | $0.0017 | $0.0500 | $2.1958 | $0.4790 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | ||||
| YTEOL | 5.85 | 9.1 | 9.1 | 0 |
| Case Connection | ISOLATED | — | — | ISOLATED |
| Configuration | SINGLE | — | — | SINGLE WITH BUILT-IN DIODE |
| Diode Element Material | SILICON | — | — | — |
| Diode Type | ZENER DIODE | — | — | — |
| Dynamic Impedance-Max | 14 Ω | — | — | — |
| JEDEC-95 Code | DO-41 | — | — | TO-220AB |
| JESD-30 Code | O-LALF-W2 | — | — | R-PSFM-T3 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Knee Impedance-Max | 700 Ω | — | — | — |
| Number of Elements | 1 | — | — | 1 |
| Package Body Material | GLASS | — | — | PLASTIC/EPOXY |
| Package Shape | ROUND | — | — | RECTANGULAR |
| Package Style | LONG FORM | — | — | FLANGE MOUNT |
| Peak Reflow Temperature (Cel) | 260 | — | — | NOT SPECIFIED |
| Polarity | UNIDIRECTIONAL | — | — | — |
| Power Dissipation-Max | 1 W | — | — | — |
| Reference Standard | IEC-60134 | UL | UL | — |
| Reference Voltage-Nom | 15 V | — | — | — |
| Reverse Current-Max | 5 µA | — | — | — |
| Reverse Test Voltage | 11.4 V | — | — | — |
| Surface Mount | NO | — | — | NO |
| Technology | ZENER | — | — | — |
| Terminal Finish | Tin (Sn) | — | — | Tin (Sn) |
| Terminal Form | WIRE | — | — | THROUGH-HOLE |
| Terminal Position | AXIAL | — | — | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 10 | — | — | NOT SPECIFIED |
| Voltage Tol-Max | 5% | — | — | — |
| Working Test Current | 17 mA | — | — | — |
| Pbfree Code | — | Yes | Yes | Yes |
| Additional Feature | — | SURFACE-MOUNT COMPATIBLE | SHROUDED | — |
| Body Breadth | — | 0.098 inch | 0.384 inch | — |
| Body Depth | — | 0.09 inch | 0.515 inch | — |
| Body Length | — | 0.3 inch | 1.392 inch | — |
| Body/Shell Style | — | RECEPTACLE | RECEPTACLE | — |
| Connector Type | — | BOARD CONNECTOR | BOARD CONNECTOR | — |
| Contact Finish Mating | — | NOT SPECIFIED | NOT SPECIFIED | — |
| Contact Finish Termination | — | Bright Tin (Sn) - with Nickel (Ni) barrier | Tin (Sn) | — |
| Contact Gender | — | MALE | MALE | — |
| Contact Material | — | PHOSPHOR BRONZE | BRASS | — |
| Contact Pattern | — | RECTANGULAR | RECTANGULAR | — |
| Contact Resistance | — | 10 mΩ | 20 mΩ | — |
| Contact Style | — | SQ PIN-SKT | SQ PIN-SKT | — |
| DIN Conformance | — | NO | NO | — |
| Durability | — | 25 Cycles | 500 Cycles | — |
| Filter Feature | — | NO | NO | — |
| IEC Conformance | — | NO | NO | — |
| Insertion Force-Max | — | 4.8928 N | 1.0008 N | — |
| Insulation Resistance | — | 1000000000 Ω | 5000000000 Ω | — |
| Insulator Color | — | BLACK | BLACK | — |
| Insulator Material | — | GLASS FILLED POLYAMIDE | GLASS FILLED POLYESTER | — |
| MIL Conformance | — | NO | NO | — |
| Mating Contact Pitch | — | 0.1 inch | 0.1 inch | — |
| Mating Information | — | MULTIPLE MATING PARTS AVAILABLE | 90142-0026 | — |
| Mixed Contacts | — | NO | NO | — |
| Mounting Option 1 | — | LOCKING | LOCKING | — |
| Mounting Style | — | STRAIGHT | RIGHT ANGLE | — |
| Mounting Type | — | BOARD | BOARD | — |
| Number Of Connectors | — | ONE | ONE | — |
| Number Of PCB Rows | — | 1 | 2 | — |
| Number of Rows Loaded | — | 1 | 2 | — |
| Option | — | GENERAL PURPOSE | GENERAL PURPOSE | — |
| PCB Contact Pattern | — | RECTANGULAR | RECTANGULAR | — |
| Plating Thickness | — | 100u inch | 15u inch | — |
| Rated Current (Signal) | — | 4 A | 3 A | — |
| Terminal Length | — | 0.455 inch | 0.114 inch | — |
| Terminal Pitch | — | 2.54 mm | 2.54 mm | — |
| Termination Type | — | SOLDER | SOLDER | — |
| Total Number of Contacts | — | 3 | 26 | — |
| UL Flammability Code | — | 94V-0 | 94V-0 | — |
| Withdrawl Force-Min | — | .556 N | — | — |
| Factory Lead Time | — | — | 13 Weeks | 4 Weeks |
| Dielectric Withstanding Voltage | — | — | 700VAC V | — |
| Mating Contact Row Spacing | — | — | 0.1 inch | — |
| PCB Contact Row Spacing | — | — | 2.54 mm | — |
| Polarization Key | — | — | POLARIZED HOUSING | — |
| Manufacturer Package Code | — | — | — | 221AH |
| Avalanche Energy Rating (Eas) | — | — | — | 300 mJ |
| DS Breakdown Voltage-Min | — | — | — | 600 V |
| Drain Current-Max (ID) | — | — | — | 6 A |
| Drain-source On Resistance-Max | — | — | — | 0.75 Ω |
| FET Technology | — | — | — | METAL-OXIDE SEMICONDUCTOR |
| Operating Mode | — | — | — | ENHANCEMENT MODE |
| Polarity/Channel Type | — | — | — | N-CHANNEL |
| Power Dissipation-Max (Abs) | — | — | — | 39 W |
| Pulsed Drain Current-Max (IDM) | — | — | — | 40 A |
| Qualification Status | — | — | — | Not Qualified |
| Transistor Element Material | — | — | — | SILICON |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for 1N4744A — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 1N4744A is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating 1N4744A replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to 1N4744A?
Known equivalents for 1N4744A include 22-28-4030, 90130-3226, NDF10N60ZH. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 1N4744A?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify 1N4744A alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.