1N4740AAlternatives & Equivalent Parts
About 1N4740A
1N4740A is a Zener Diode component manufactured by MULTICOMP. 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 | 1N4740ASource | 870135775004 | 1N5929BG | 1N5819-T |
|---|---|---|---|---|
| Manufacturer | MULTICOMP | Würth Elektronik | ON Semiconductor | Diodes Inc. |
| Package Type | Diodes, Axial Diameter Horizontal Mounting | Capacitor, Polarized Radial Diameter | Diodes, Axial Diameter Horizontal Mounting | Diodes, Axial Diameter Horizontal Mounting |
| Pin Count | 2 | 2 | 2 | 2 |
| Temperature Range | — | -55.0°C ~ 125.0°C | -65.0°C ~ 200.0°C | -65.0°C ~ 125.0°C |
| Price | $0.0044 | $2.1000 | $0.0450 | $0.1240 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | ||||
| YTEOL | 5.85 | 15 | 0 | 6 |
| Diode Type | ZENER DIODE | — | ZENER DIODE | RECTIFIER DIODE |
| Reach Compliance Code | — | Compliant | — | — |
| Additional Feature | — | ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ | — | LOW POWER LOSS, FREE WHEELING DIODE |
| Capacitance | — | 47 µF | — | — |
| Capacitor Type | — | ALUMINUM ELECTROLYTIC CAPACITOR | — | — |
| Diameter | — | 10 mm | — | — |
| Dielectric Material | — | ALUMINUM (SOLID POLYMER) | — | — |
| ESR | — | 25 mΩ | — | — |
| Leakage Current | — | 0.47 mA | — | — |
| Mounting Feature | — | THROUGH HOLE MOUNT | — | — |
| Negative Tolerance | — | 20% | — | — |
| Package Style | — | Radial | LONG FORM | LONG FORM |
| Packing Method | — | AMMO PACK | — | — |
| Polarity | — | POLARIZED | UNIDIRECTIONAL | — |
| Positive Tolerance | — | 20% | — | — |
| Rated (DC) Voltage (URdc) | — | 50 V | — | — |
| Ripple Current | — | 4100 mA | — | — |
| Surface Mount | — | NO | NO | NO |
| Tan Delta | — | 0.12 | — | — |
| Terminal Pitch | — | 5 mm | — | — |
| Terminal Shape | — | WIRE | — | — |
| Pbfree Code | — | — | Yes | No |
| Manufacturer Package Code | — | — | 59-10 | — |
| Factory Lead Time | — | — | 4 Weeks | — |
| Case Connection | — | — | ISOLATED | ISOLATED |
| Configuration | — | — | SINGLE | SINGLE |
| Diode Element Material | — | — | SILICON | SILICON |
| Dynamic Impedance-Max | — | — | 9 Ω | — |
| JEDEC-95 Code | — | — | DO-41 | DO-41 |
| JESD-30 Code | — | — | O-PALF-W2 | O-PALF-W2 |
| JESD-609 Code | — | — | e3 | e3 |
| Number of Elements | — | — | 1 | 1 |
| Package Body Material | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | — | — | ROUND | ROUND |
| Power Dissipation-Max | — | — | 1 W | — |
| Qualification Status | — | — | Not Qualified | Not Qualified |
| Reference Voltage-Nom | — | — | 15 V | — |
| Technology | — | — | ZENER | SCHOTTKY |
| Terminal Finish | — | — | MATTE TIN | Bright Tin (Sn) |
| Terminal Form | — | — | WIRE | WIRE |
| Terminal Position | — | — | AXIAL | AXIAL |
| Voltage Tol-Max | — | — | 5% | — |
| Working Test Current | — | — | 25 mA | — |
| Application | — | — | — | EFFICIENCY |
| Forward Voltage-Max (VF) | — | — | — | 0.9 V |
| Non-rep Pk Forward Current-Max | — | — | — | 25 A |
| Number of Phases | — | — | — | 1 |
| Output Current-Max | — | — | — | 1 A |
| Peak Reflow Temperature (Cel) | — | — | — | 260 |
| Rep Pk Reverse Voltage-Max | — | — | — | 40 V |
| Reverse Current-Max | — | — | — | 1000 µA |
| Reverse Test Voltage | — | — | — | 40 V |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 10 |
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 1N4740A — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 1N4740A 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 1N4740A 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 1N4740A?
Known equivalents for 1N4740A include 870135775004, 1N5929BG, 1N5819-T. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 1N4740A?
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 1N4740A 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.