MJD122T4Alternatives & Equivalent Parts
About MJD122T4
MJD122T4 is a Transistor Darlington Pair component manufactured by STMicroelectronics. It comes in a Other 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 | MJD122T4Source | PT65103 | 2312-H-RC | L-154A4SUREQBFZGEW | MJD122T4G | NJVMJD122T4G |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Apem | Bourns | Kingbright | ON Semiconductor | ON Semiconductor |
| Package Type | Other | Other | Other | Other | Other | Other |
| Pin Count | 3 | 6 | 2 | 4 | 3 | 3 |
| Temperature Range | ~ 150.0°C | -20.0°C ~ 70.0°C | -55.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | ~ 150.0°C | -65.0°C ~ 150.0°C |
| Price | $0.2067 | $2.3800 | $1.9711 | $0.8530 | $0.3072 | $0.4070 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Factory Lead Time | 14 Weeks | — | 25 Weeks | — | — | 10 Weeks |
| YTEOL | 9 | 7 | 7 | 6 | 4 | 4 |
| Case Connection | COLLECTOR | — | — | — | COLLECTOR | COLLECTOR |
| Collector Current-Max (IC) | 8 A | — | — | — | 8 A | 8 A |
| Collector-Emitter Voltage-Max | 100 V | — | — | — | 100 V | 100 V |
| Configuration | DARLINGTON WITH BUILT-IN DIODE AND RESISTOR | — | — | COMMON CATHODE, 3 ELEMENTS | DARLINGTON WITH BUILT-IN DIODE AND RESISTOR | DARLINGTON WITH BUILT-IN DIODE AND RESISTOR |
| DC Current Gain-Min (hFE) | 100 | — | — | — | 100 | 100 |
| JEDEC-95 Code | TO-252 | — | — | — | — | — |
| JESD-30 Code | R-PSSO-G2 | — | — | — | R-PSSO-G2 | R-PSSO-G2 |
| JESD-609 Code | e3 | e3 | — | — | e3 | e3 |
| Number of Elements | 1 | — | — | — | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | — | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | — | — | — | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | — | Toroidal | — | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | — | — | — | 260 | 260 |
| Polarity/Channel Type | NPN | — | — | — | NPN | NPN |
| Power Dissipation Ambient-Max | 20 W | — | — | — | — | — |
| Power Dissipation-Max (Abs) | 20 W | — | — | — | 20 W | 20 W |
| Qualification Status | Not Qualified | — | — | — | Not Qualified | — |
| Surface Mount | YES | NO | NO | NO | YES | YES |
| Terminal Finish | Matte Tin (Sn) - annealed | Tin (Sn) | — | — | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | — | — | — | GULL WING | GULL WING |
| Terminal Position | SINGLE | — | — | — | SINGLE | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — | — | 30 | 30 |
| Transistor Application | SWITCHING | — | — | — | SWITCHING | AMPLIFIER |
| Transistor Element Material | SILICON | — | — | — | SILICON | SILICON |
| VCEsat-Max | 4 V | — | — | — | — | — |
| ## MJD122T4 Alternates Showing results | Image | — | — | — | — | — |
| Pbfree Code | — | Yes | Yes | — | Yes | Yes |
| Actuator Material | — | NYLON | — | — | — | — |
| Actuator Type | — | SCREW DRIVER | — | — | — | — |
| Additional Feature | — | O-RING Si RUBBER ACTUATOR SEAL | — | HIGH RELIABILITY | — | — |
| Body Breadth | — | 10 mm | — | — | — | — |
| Body Height | — | 6.5 mm | — | — | — | — |
| Body Length or Diameter | — | 10 mm | — | — | — | — |
| Center Contact Material | — | PHOSPHOR BRONZE | — | — | — | — |
| Center Contact Plating | — | GOLD OVER NICKEL | — | — | — | — |
| Contact Current(DC)-Max | — | 0.4 A | — | — | — | — |
| Contact (DC) Max Power Rating R Load | — | 1.5VA@24VDC | — | — | — | — |
| Contact (DC) Max Rating R Load | — | .4A@24VDC | — | — | — | — |
| Contact Function | — | ON-OFF | — | — | — | — |
| Contact Resistance | — | 0.08 mΩ | — | — | — | — |
| Contact Timing | — | BREAK-BEFORE-MAKE | — | — | — | — |
| Contact Voltage(DC)-Max | — | 24 V | — | — | — | — |
| Electrical Life | — | 10000 Cycle(s) | — | — | — | — |
| End Contact Material | — | PHOSPHOR BRONZE | — | — | — | — |
| End Contact Plating | — | GOLD OVER NICKEL | — | — | — | — |
| Indexing Angle | — | 22.5 deg | — | — | — | — |
| Insulation Resistance | — | 100000000 Ω | — | — | — | — |
| Insulator Material | — | THERMOPLASTIC | — | — | — | — |
| Mounting Feature | — | THROUGH HOLE-STRAIGHT | — | RADIAL MOUNT | — | — |
| Number of Positions | — | 16 | — | — | — | — |
| Number of Switch Sections | — | 1 | — | — | — | — |
| PCB Hole Count | — | 6 | — | — | — | — |
| Packing Method | — | TUBE | — | BAG; BOX | — | — |
| Sealing | — | MOLDED | — | — | — | — |
| Solderability | — | WAVE | — | — | — | — |
| Switch Action | — | LATCHED | — | — | — | — |
| Switch Function | — | BINARY CODED HEXADECIMAL | — | — | — | — |
| Switch Type | — | ROTARY CODED SWITCH | — | — | — | — |
| Terminal Length | — | 0.15 inch | — | — | — | — |
| Terminal Material | — | BRASS | — | — | — | — |
| Termination Type | — | SOLDER | — | — | — | — |
| Washability | — | SOLVENT | — | — | — | — |
| Construction | — | — | Hortizontal Mount | — | — | — |
| DC Resistance | — | — | 0.037 Ω | — | — | — |
| Inductance-Nom (L) | — | — | 100 µH | — | — | — |
| Inductor Application | — | — | HIGH CURRENT INDUCTOR | — | — | — |
| Inductor Type | — | — | GENERAL PURPOSE INDUCTOR | — | — | — |
| Lead Diameter | — | — | 1.0668 mm | — | — | — |
| Lead Spacing | — | — | 28.702 mm | — | — | — |
| Number of Functions | — | — | 1 | 3 | — | — |
| Package Diameter | — | — | 32.512 mm | — | — | — |
| Package Length | — | — | 16.51 mm | — | — | — |
| Rated Current-Max | — | — | 7 A | — | — | — |
| Shape/Size Description | — | — | CYLINDRICAL PACKAGE | — | — | — |
| Shielded | — | — | YES | — | — | — |
| Terminal Placement | — | — | RADIAL | — | — | — |
| Terminal Shape | — | — | WIRE | — | — | — |
| Test Frequency | — | — | 0.001 MHz | — | — | — |
| Tolerance | — | — | 15% | — | — | — |
| Color | — | — | — | HYR-GRE-BLU | — | — |
| Forward Current-Max | — | — | — | 0.03 A | — | — |
| Lens Type | — | — | — | DIFFUSED WHITE | — | — |
| Luminous Intensity-Nom | — | — | — | 750.0/1700.0/420.0 mcd | — | — |
| Optoelectronic Device Type | — | — | — | TRIPLE COLOR LED | — | — |
| Overall Height | — | — | — | 8.6 mm | — | — |
| Peak Wavelength | — | — | — | 640/520/461 nm | — | — |
| Shape | — | — | — | ROUND | — | — |
| Size | — | — | — | 5 mm | — | — |
| T-code | — | — | — | T-1 3/4 | — | — |
| Terminal Pitch | — | — | — | 1.27 mm | — | — |
| Viewing Angle | — | — | — | 60 deg | — | — |
| Manufacturer Package Code | — | — | — | — | 369C | 369C |
| Transition Frequency-Nom (fT) | — | — | — | — | 4 MHz | 4 MHz |
| Reference Standard | — | — | — | — | — | AEC-Q101 |
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 5 alternatives for MJD122T4 — response within 24 hours.
Quick Links
suggested
Power Bipolar Transistor, 8A I(C), 100V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 2 Pin
Power Bipolar Transistor, 8A I(C), 100V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 2 Pin
Why Look for Alternatives?
Finding alternatives for MJD122T4 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 MJD122T4 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?
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FAQ
What is equivalent to MJD122T4?
Known equivalents for MJD122T4 include PT65103, 2312-H-RC, L-154A4SUREQBFZGEW. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MJD122T4?
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 MJD122T4 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.