1N4742AAlternatives & Equivalent Parts
About 1N4742A
1N4742A 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.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for 1N4742A — response within 24 hours.
Specification Comparison
| Parameter | 1N4742ASource | 35SVPD47M | STP40NF10L | TPS2087DRG4 | TPS650250RHBR |
|---|---|---|---|---|---|
| Manufacturer | Taiwan Semiconductor | Panasonic | STMicroelectronics | Texas Instruments | Texas Instruments |
| Package Type | Diodes, Axial Diameter Horizontal Mounting | Other | Transistor Outline, Vertical | Small Outline Packages | Quad Flat No-Lead |
| Pin Count | 2 | 2 | 3 | 16 | 32 |
| Temperature Range | -55.0°C ~ 150.0°C | -55.0°C ~ 125.0°C | ~ 175.0°C | ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.0050 | $0.7791 | $0.4584 | $2.0709 | $2.7240 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | |||||
| Factory Lead Time | 12 Weeks | — | 13 Weeks | — | — |
| YTEOL | 5.85 | 7 | 5.3 | 0 | 15 |
| Case Connection | ISOLATED | — | — | — | — |
| Configuration | SINGLE | — | SINGLE WITH BUILT-IN DIODE | — | — |
| Diode Element Material | SILICON | — | — | — | — |
| Diode Type | ZENER DIODE | — | — | — | — |
| Dynamic Impedance-Max | 9 Ω | — | — | — | — |
| JEDEC-95 Code | DO-41 | — | TO-220AB | — | — |
| JESD-30 Code | O-PALF-W2 | — | R-PSFM-T3 | R-PDSO-G16 | S-PQCC-N32 |
| JESD-609 Code | e3 | e4 | e3 | e4 | e4 |
| Number of Elements | 1 | — | 1 | — | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | ROUND | CYLINDRICAL PACKAGE | RECTANGULAR | RECTANGULAR | SQUARE |
| Package Style | LONG FORM | SMT | FLANGE MOUNT | SMALL OUTLINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | — | NOT SPECIFIED | 260 | 260 |
| Polarity | UNIDIRECTIONAL | POLARIZED | — | — | — |
| Power Dissipation-Max | 1 W | — | — | — | — |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified |
| Reference Voltage-Nom | 12 V | — | — | — | — |
| Surface Mount | NO | YES | NO | YES | YES |
| Technology | ZENER | — | — | CMOS | — |
| Terminal Finish | Matte Tin (Sn) | SILVER | Matte Tin (Sn) | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | WIRE | — | THROUGH-HOLE | GULL WING | NO LEAD |
| Terminal Position | AXIAL | — | SINGLE | DUAL | QUAD |
| Voltage Tol-Max | 5% | — | — | — | — |
| Working Test Current | 21 mA | — | — | — | — |
| Pbfree Code | — | Yes | — | — | Yes |
| Reach Compliance Code | — | Compliant | — | — | — |
| Additional Feature | — | ESR IS MEASURED AT 100KHZ TO 300KHZ | — | — | — |
| Capacitance | — | 47 µF | — | — | — |
| Capacitor Type | — | ALUMINUM ELECTROLYTIC CAPACITOR | — | — | — |
| Dielectric Material | — | ALUMINUM (SOLID POLYMER) | — | — | — |
| ESR | — | 30 mΩ | — | — | — |
| Height | — | 12.6 mm | — | — | — |
| Leakage Current | — | 0.329 mA | — | — | — |
| Mounting Feature | — | SURFACE MOUNT | — | — | — |
| Negative Tolerance | — | 20% | — | — | — |
| Packing Method | — | TR, EMBOSSED, 15 INCH | — | — | — |
| Positive Tolerance | — | 20% | — | — | — |
| Rated (DC) Voltage (URdc) | — | 35 V | — | — | — |
| Ripple Current | — | 57.5 mA | — | — | — |
| Size Code | — | 4141 | — | — | — |
| Tan Delta | — | 0.12 | — | — | — |
| Terminal Shape | — | FLAT | — | — | — |
| Avalanche Energy Rating (Eas) | — | — | 430 mJ | — | — |
| DS Breakdown Voltage-Min | — | — | 100 V | — | — |
| Drain Current-Max (ID) | — | — | 40 A | — | — |
| Drain-source On Resistance-Max | — | — | 0.036 Ω | — | — |
| FET Technology | — | — | METAL-OXIDE SEMICONDUCTOR | — | — |
| Operating Mode | — | — | ENHANCEMENT MODE | — | — |
| Polarity/Channel Type | — | — | N-CHANNEL | — | — |
| Power Dissipation-Max (Abs) | — | — | 150 W | — | — |
| Pulsed Drain Current-Max (IDM) | — | — | 160 A | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | NOT SPECIFIED | 30 | 30 |
| Transistor Application | — | — | SWITCHING | — | — |
| Transistor Element Material | — | — | SILICON | — | — |
| Built-in Protections | — | — | — | TRANSIENT; OVER CURRENT; THERMAL; UNDER VOLTAGE | — |
| Driver Number of Bits | — | — | — | 4 | — |
| Interface IC Type | — | — | — | BUFFER OR INVERTER BASED PERIPHERAL DRIVER | — |
| Number of Functions | — | — | — | 4 | 1 |
| Output Current Flow Direction | — | — | — | SINK | — |
| Output Current-Max | — | — | — | 0.5 A | 1.6 A |
| Output Peak Current Limit-Nom | — | — | — | 1 A | — |
| Package Equivalence Code | — | — | — | SOP16,.25 | LCC32,.2SQ,20 |
| Supply Current-Max | — | — | — | 0.11 mA | — |
| Supply Voltage-Max | — | — | — | 5.5 V | — |
| Supply Voltage-Min | — | — | — | 2.7 V | — |
| Supply Voltage-Nom | — | — | — | 3.3 V | — |
| Temperature Grade | — | — | — | COMMERCIAL EXTENDED | INDUSTRIAL |
| Terminal Pitch | — | — | — | 1.27 mm | 0.5 mm |
| Turn-off Time | — | — | — | 40000 µs | — |
| Turn-on Time | — | — | — | 20000 µs | — |
| ## TPS2087DRG4 Alternates Showing results | — | — | — | Image | — |
| Adjustable Threshold | — | — | — | — | YES |
| Analog IC - Other Type | — | — | — | — | INTEGRATED POWER MANAGEMENT UNIT |
| Input Voltage-Max | — | — | — | — | 6 V |
| Input Voltage-Min | — | — | — | — | 2.5 V |
| Number of Channels | — | — | — | — | 1 |
| Number of Outputs | — | — | — | — | 6 |
| Output Voltage-Max | — | — | — | — | 5.6 V |
| Output Voltage-Min | — | — | — | — | 1 V |
| Supply Current-Max (Isup) | — | — | — | — | 2.5 mA |
| Supply Voltage-Max (Vsup) | — | — | — | — | 6 V |
| Supply Voltage-Min (Vsup) | — | — | — | — | 2.5 V |
| Supply Voltage-Nom (Vsup) | — | — | — | — | 3.6 V |
| Switching Frequency-Max | — | — | — | — | 2550 kHz |
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 4 alternatives for 1N4742A — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 1N4742A 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 1N4742A 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for 1N4742A. Get expert recommendations within 24 hours.
FAQ
What is equivalent to 1N4742A?
Known equivalents for 1N4742A include 35SVPD47M, STP40NF10L, TPS2087DRG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 1N4742A?
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 1N4742A 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.