Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
MJE4353
onsemi
TRANS PNP 160V 16A SOT93
900307 Pcs New Original In Stock
Bipolar (BJT) Transistor PNP 160 V 16 A 1MHz 125 W Through Hole SOT-93
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (420 Ratings)
MJE4353
Product Overview
12844316
DiGi Electronics Part Number
MJE4353-DGManufacturer
onsemi
MJE4353
Description
TRANS PNP 160V 16A SOT93Inventory
900307 Pcs New Original In Stock
Bipolar (BJT) Transistor PNP 160 V 16 A 1MHz 125 W Through Hole SOT-93
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
MJE4353 Technical Specifications
Category
Transistors, Bipolar (BJT), Single Bipolar Transistors
Packaging
-
Series
-
Product Status
Obsolete
Transistor Type
PNP
Current - Collector (Ic) (Max)
16 A
Voltage - Collector Emitter Breakdown (Max)
160 V
Vce Saturation (Max) @ Ib, Ic
3.5V @ 2A, 16A
Current - Collector Cutoff (Max)
750µA
DC Current Gain (hFE) (Min) @ Ic, Vce
15 @ 8A, 2V
Power - Max
125 W
Frequency - Transition
1MHz
Operating Temperature
-65°C ~ 150°C (TJ)
Mounting Type
Through Hole
Package / Case
TO-218-3
Supplier Device Package
SOT-93
Base Product Number
MJE43
Datasheet & Documents
Datasheets
Download MJE4353 Product Specification (PDF)
HTML Datasheet
MJE4353-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.29.0095
Additional Information
Other Names
ONSONSMJE4353
MJE4353OS
2156-MJE4353-ON
Standard Package
30
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
The staff was friendly and responsive, making the entire process stress-free.
de desembre 02, 2025
The quality of the electronic products is superior, and the after-sales assistance is very reassuring.
de desembre 02, 2025
I trust DiGi Electronics to provide solutions that stand the test of time.
de desembre 02, 2025
My order arrived quickly, wrapped in packaging that clearly prioritizes sustainability.
de desembre 02, 2025
The durability of their products helps me avoid frequent replacements.
de desembre 02, 2025
Consistent product quality makes me a repeat customer; I trust their offerings.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
Can the MJE4353 be used as a drop-in replacement for the MJE340 in high-voltage switching applications, and what are the key performance trade-offs to consider?
While the MJE4353 and MJE340 are both PNP BJTs with similar voltage ratings (160V vs. 150V), the MJE4353 offers higher current capability (16A vs. 10A) and better power dissipation (125W vs. 75W), making it suitable for more demanding loads. However, the MJE4353 has a higher Vce(sat) of 3.5V at 16A compared to the MJE340’s ~2.5V at 10A, which increases conduction losses in low-duty-cycle or high-current scenarios. Additionally, the MJE4353 is through-hole (SOT-93/TO-218), while some MJE340 variants use TO-220; mechanical fit must be verified. Since the MJE4353 is obsolete, long-term sourcing risk should be evaluated before design-in.
What are the reliability risks of using the MJE4353 in automotive under-hood environments given its maximum junction temperature of 150°C and RoHS non-compliance status?
The MJE4353’s 150°C max junction temperature aligns with many automotive under-hood requirements, but its RoHS non-compliant status may violate OEM material restrictions, potentially disqualifying it from new automotive designs. While the part is REACH unaffected and MSL 1 (unlimited floor life), thermal cycling between -65°C and 150°C can induce mechanical stress in the SOT-93 package due to CTE mismatch, especially if not properly heatsinked. For mission-critical systems, consider modern RoHS-compliant alternatives like the NJW3281G from Toshiba or the TIP147 from STMicroelectronics, which offer similar specs with improved environmental compliance and active lifecycle support.
How does the MJE4353 perform in linear-mode operation, and what derating guidelines should be followed to avoid secondary breakdown?
The MJE4353 can operate in linear mode, but caution is required due to the risk of secondary breakdown at high Vce and moderate-to-high collector currents. Unlike MOSFETs, BJTs like the MJE4353 lack a wide safe operating area (SOA) in linear applications. To mitigate risk, apply aggressive derating: limit continuous power to ≤60% of the 125W rating at 25°C ambient, and use a robust heatsink with thermal resistance <1.5°C/W. Always operate within the 1ms and 10ms SOA curves (if available in legacy datasheets), and avoid inductive loads without snubbers. For new designs, consider replacing with a modern Darlington or MOSFET-based solution for improved linear-mode reliability.
Is the MJE4353 suitable for replacing the obsolete 2N6491 in industrial motor drive circuits, and what base drive considerations are critical?
The MJE4353 can replace the 2N6491 in motor drive applications due to its superior current (16A vs. 12A) and voltage (160V vs. 100V) ratings. However, the MJE4353 has a lower minimum hFE (15 @ 8A, 2V) compared to the 2N6491 (~20–40), requiring higher base drive current for saturation. Ensure the driver stage can supply at least 1A of base current (Ib ≈ Ic/10 for hard saturation) to minimize Vce(sat). Also, the MJE4353’s slower transition frequency (1MHz vs. ~3MHz for 2N6491) may increase switching losses at high PWM frequencies (>20kHz). Add a Baker clamp or speed-up capacitor to reduce storage time and improve turn-off behavior.
What are the long-term supply and obsolescence risks of designing with the MJE4353, and which active alternatives offer pin-compatible or functionally equivalent performance?
The MJE4353 is marked obsolete by onsemi, indicating no future production and limited distributor support despite current stock availability. Relying on it introduces significant long-term supply chain risk, especially for products with >3-year lifecycles. While no direct pin-compatible replacement exists in SOT-93, functionally equivalent active alternatives include the MJL4281A (onsemi, TO-264, 15A, 200V, RoHS-compliant) or the KSA1300 (Fairchild/onsemi, TO-126, lower current but usable in parallel). For new designs, consider migrating to the D44VH10 (Vishay, PNP, 10A, 80V, TO-220) if voltage allows, or evaluate MOSFETs like the IRF9Z34N for improved efficiency and availability. Always validate thermal and electrical performance in-circuit before finalizing any substitution.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MJE4353 CAD Models
onsemi MJE4353 PCB symbols & footprints
productDetail
