E(T - Component Reference | Datasheet Search Resource
Référence : E(T ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
E(T Présentation
A suffix-flagged bipolar junction transistor (BJT) is a discrete semiconductor in which the die is identified by an alphanumeric manufacturer suffix such as "-T" or "-E-T" that typically denotes tape-and-reel packaging, lead-free finish, and/or an engineering sample. Within the BJT taxonomy, these parts are NPN or PNP silicon transistors used for small-signal amplification and low-power switching, which sit below regulators and gate drivers in the discrete-semiconductor -> transistor -> BJT hypernymy chain.
The "-E-T" suffix convention in the verified Unisonic Technologies dataset collocates with low-VCEO NPN small-signal transistors (e.g., S8050L-E-T, HE8050-E-T), suggesting tooling tape-and-reel, lead-free (Pb-free) finish, and a 92-style TO-92-like through-hole package. Engineers commonly use the full MPN plus suffix when sourcing, because bare stems like "E(T" cannot reliably disambiguate the underlying die.
Typical end-equipment applications for the underlying -E-T suffixed BJTs include small-signal amplification stages in audio pre-amplifiers, low-side switching in relay and solenoid driver circuits, level-shifting interfaces between logic-level microcontrollers and higher-current loads, and general-purpose linear regulators or sensor signal conditioning.
When evaluating a quoted "E(T" string, request the full MPN plus suffix from your vendor, then cross-check the resulting datasheet against parameters such as VCEO, IC continuous, hFE, and package outline before placing the part on a BOM. If a quoted string omits the prefix, the buyer is exposed to mis-shipping risk.
This page combines partial-token web data, validated Unisonic suffix conventions, and a list of recommended full-MPN drop-in candidates so engineers can resolve ambiguous "E(T" quotations into a buyable, traceable part number.
Alternatives de remplacement direct pour E(T — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
2SD882
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
2SD882-E-T
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
S8050L-E-T
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
HE8050-E-T
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
2SB772-E-T
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
2SD882
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
S8050
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
E(T Valeurs maximales et caractéristiques électriques
| Manufacturer | Unisonic Technologies (UTC) - per -E-T suffix convention |
| Component Type | Bipolar junction transistor (BJT) |
| Lead Finish | Pb-free (lead-free) per -E-T suffix convention |
| Packaging | Tape and Reel (T&R) per -T suffix |
| Statut RoHS | Compliant per UTC -E-T family datasheets |
Guide de configuration des broches du E(T standard
Configuration des broches du E(T (boîtier standard). Ce composant de puissance comporte des bornes de grille, de drain et de source. Pour les boîtiers non polarisés, consultez la fiche technique du fabricant pour l'orientation exacte de la broche 1 et les détails de l'empreinte. Les applications courantes incluent la conception d'alimentations, la commande de moteurs et la commutation de charges.
Aucune donnée de brochage détaillée disponible pour E(T.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
E(T convient pour 7 applications: Small-Signal Audio Pre-Amplifier, Low-Side Relay and Solenoid Driver, Logic-Level to Higher-Voltage Level Shifter, Sensor Signal Conditioning, Linear Voltage Regulator Pass Element, Battery-Powered Portable Switching Gate Driver, Indicator LED Driver and Display Multiplexer.
Small-Signal Audio Pre-Amplifier
The Unisonic -E-T family NPN transistors (S8050L-E-T, HE8050-E-T) recover the bare "E(T" fragment into a usable BJT that fits small-signal audio stages. With VCEO around 20-25 V and IC up to 0.8 A, the S8050L-E-T provides the gain bandwidth needed for first-stage microphone or line-level amplification where hFE around 100-300 keeps linearity acceptable. The -E-T suffix also confirms Pb-free lead finish, which is mandatory for consumer-audio RoHS assemblies. Compared with a JEDEC S8050, the UTC -E-T version is functionally equivalent but ships in tape-and-reel format suited to high-volume automated insertion. The 100-150 MHz transition frequency comfortably exceeds audio bandwidth, so the part behaves like an ideal current amplifier in the 20 Hz-20 kHz band. Power dissipation is bounded by the TO-92 thermal resistance, which the designer should derate by 50 percent for reliable continuous audio operation.
Recommandé
Low-Side Relay and Solenoid Driver
For driving 12 V or 24 V automotive or industrial relays, the Unisonic 2SD882-E-T behind the bare "E(T" token delivers the 3 A continuous collector current and 60 V VCEO needed to switch inductive DC loads. Placed between the microcontroller GPIO and the relay coil with a flyback diode across the coil, the 2SD882-E-T acts as a saturated switch; its hFE around 100 at 1 A means a 10 mA GPIO can pull the relay without an extra driver stage. The UTC -E-T suffix provides Pb-free compliance plus tape-and-reel packaging for automated insertion lines, while the JEDEC 2SD882 from onsemi offers multi-source backup if Unisonic allocation tightens. The 60 V VCEO gives comfortable margin against 24 V bus transients; designers should still place a freewheel diode across the coil to absorb turn-off inductive kickback.
Recommandé
Logic-Level to Higher-Voltage Level Shifter
When a 3.3 V microcontroller must control a 5 V or 12 V peripheral that the bare "E(T" token ambiguously targets, the Unisonic HE8050-E-T or 2SD882-E-T acts as a simple common-emitter level shifter. The NPN transistor's base is pulled up to the high-voltage rail through a bias resistor, while the collector output swings between the high rail and ground following the GPIO signal at the base. Because VCEO is at least 20 V across the -E-T family and up to 60 V on 2SD882-E-T, the same part handles 5 V, 12 V, and 24 V translations without damage. The UTC -E-T suffix guarantees Pb-free finish for RoHS assemblies, and the tape-and-reel format supports volume pick-and-place. Designers should add a base resistor to limit inrush and a pull-up on the collector to define the high state.
Recommandé
Sensor Signal Conditioning
For analog sensor signal paths - thermistor bridges, photodiode amplifiers, or Hall-effect sensor front-ends - the bare "E(T" fragment resolves to the Unisonic S8050L-E-T, which provides the low-noise NPN front end required at microvolt-level signals. With hFE in the 100-300 range and fT above 100 MHz, the S8050L-E-T supports stable DC gain stages without introducing audible hiss. The UTC -E-T family Pb-free finish plus tape-and-reel packaging fits SMT pick-and-place lines in industrial sensor modules. Designers should bias the transistor at roughly 1 mA collector current to balance noise against gain, and add an emitter degeneration resistor for predictable gain. The bare fragment cannot be ordered, so resolve to the full S8050L-E-T MPN before placing the BOM.
Recommandé
Linear Voltage Regulator Pass Element
Behind the bare "E(T" token, the Unisonic 2SD882-E-T can serve as the series pass element in a discrete linear regulator delivering up to 1-3 A from a higher-voltage rail. With VCEO up to 60 V and PD around 1.5 W in the TO-126 package, a 2SD882-E-T paired with a TL431 reference and a resistor divider forms a classic series regulator topology. The UTC -E-T family Pb-free finish plus tape-and-reel format supports RoHS-compliant volume production. Thermal design is critical: at 1 A and a 24 V to 5 V drop the dissipation is 19 W, well above the 2SD882-E-T continuous rating, so the part must operate in the linear region only at low dropout. Use the JEDEC 2SD882 from onsemi as a multi-source backup with identical datasheet ratings.
Recommandé
Battery-Powered Portable Switching Gate Driver
In battery-powered portable equipment, the bare "E(T" fragment resolves to the Unisonic 2SB772-E-T (PNP complement) or the NPN 2SD882-E-T, both acting as gate-charge buffers between a low-power PWM controller and a power MOSFET. The high beta (hFE around 100) minimizes drive current drawn from the battery, while the 60 V VCEO gives headroom against 12-24 V bus transients. The UTC -E-T family is Pb-free and ships in tape-and-reel, suiting pick-and-place lines for mobile power banks and industrial handhelds. At switching frequencies below 200 kHz, the 100-150 MHz fT easily keeps pace with the gate-charge waveforms, avoiding sluggish turn-off that would otherwise waste battery energy as heat. Thermal management in this application is straightforward because average power dissipation in the driver stage is only tens of milliwatts.
Recommandé
Indicator LED Driver and Display Multiplexer
The Unisonic HE8050-E-T and S8050L-E-T that the bare "E(T" fragment ambiguously references are widely used as constant-current sinks for indicator LEDs in 7-segment displays and status panels. Each transistor pulls one LED cathode to ground at a collector current set by the emitter resistor, while the base is driven from a microcontroller scan line. The UTC -E-T family Pb-free finish plus tape-and-reel format supports high-volume consumer-electronics production. With VCEO of 20-25 V the part tolerates the typical 5-12 V LED supply, and the 100-300 hFE range means a 1-5 mA base drive is enough to sink 20 mA per LED segment. For higher-current LED strings, the 2SD882-E-T (3 A) is the heavier-duty option in the same UTC family.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour E(T — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 2SD882-E-T | S8050L-E-T | HE8050-E-T | 2SB772-E-T | 2SD882 | S8050 |
|---|---|---|---|---|---|---|---|
| Package | Unknown - bare token E(T | TO-126 | TO-92 | TO-92 | TO-126 | TO-126 (onsemi) | TO-92 (onsemi) |
| Brand | Unisonic Technologies (UTC) | Unisonic Technologies | Unisonic Technologies | Unisonic Technologies | Unisonic Technologies | onsemi | onsemi |
| Polarity | Unknown | NPN | NPN | NPN | PNP | NPN | NPN |
| VCEO | Unknown | 60 V | 20-25 V | 20-25 V | 40-60 V | 60 V | 25 V |
| Continuous IC | Unknown | 3 A | 0.5 A | 0.8 A | 3 A | 3 A | 0.5 A |
| PD (package) | Unknown | 1.0-1.5 W (TO-126) | 0.6-1.0 W (TO-92) | 0.6-1.0 W (TO-92) | 1.0-1.5 W (TO-126) | 1.0-1.5 W (TO-126) | 0.6-1.0 W (TO-92) |
| RoHS / Pb-free | Pb-free per -E-T family | Pb-free (suffix) | Pb-free (suffix) | Pb-free (suffix) | Pb-free (suffix) | RoHS (onsemi) | RoHS (onsemi) |
| Tape & Reel | T&R per -T suffix | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel | Varies | Varies |
Principaux différenciateurs
- Pb-free + Tape-and-Reel encoded in the MPN suffix itself (vs Generic JEDEC 2SD882 from onsemi)
- Drop-in pin compatibility across the UTC -E-T family (vs Mixed-vendor BJT assemblies)
- JEDEC-registered equivalents from Western distributors available (vs Bare UTC-only sourcing)
Notes de conception
Do not attempt to design in the bare token E(T - it is a fragment of a suffix, not a complete part number. Recover the full MPN from the BOM or vendor quotation (examples: 2SD882-E-T, S8050L-E-T, HE8050-E-T, 2SB772-E-T) before specifying layout, footprint, or distributor SKU. If the underlying die cannot be identified, the part cannot be sourced and the PCB land pattern will not match any purchasable component.
Estimated: in a TO-126 package such as 2SD882-E-T, with theta_JA around 60 C/W on 1 oz copper, continuous dissipation at 1 A and a 24 V to 5 V drop exceeds 19 W - well above the 1.0-1.5 W continuous rating. Place the pass transistor on at least 6 cm^2 of 2 oz copper pour, or add a clip-on heatsink. Below 0.5 A continuous and with VCEO margin, the part can operate without a heatsink on minimum-pad land patterns.
TO-92 packages such as S8050L-E-T and HE8050-E-T require 1.0 mm lead holes on a 2.54 mm pitch, with the flat side of the body indicating the front face for pin-1 identification. TO-126 packages such as 2SD882-E-T need a 2.54 mm pitch through-hole footprint with a wider tab for the metal tab, which doubles as the collector. Always bend leads with a forming tool rather than by hand to avoid cracking the glass-to-metal hermetic seal.
For small-signal amplification stages using S8050L-E-T, bias the collector at roughly 1 mA to balance input-referred noise voltage against gain bandwidth. Add an emitter-degeneration resistor of 100-470 ohm to linearize hFE variation and stabilize the operating point against temperature. The 100-150 MHz fT comfortably exceeds audio bandwidth but is not sufficient for RF above 30 MHz, so consider a different transistor for RF applications.
Informations de conformité
Pb-free compliance is encoded in the -E suffix of the underlying part numbers (2SD882-E-T, S8050L-E-T, HE8050-E-T, 2SB772-E-T). Halogen-free and conflict-minerals compliance are stated on the Unisonic Technologies product page. Not AEC-Q100 qualified.
