AI insight queued

Voltkit is preparing product insight and cross-reference information for this part.

TIP31A

Click to open full image.
Part #:TIP31A
Manufacturer:STMicroelectronics
Package:TO-220
Product Type:Bipolar (BJT)
RoHS: RoHS
Specifications (Specs)
Manufacturer STMicroelectronics
Part Number TIP31A
Product Type Bipolar (BJT)
RoHS Yes
Package / Case TO-220
Stock 479
MOQ 1
Order Multiple 1
Packaging Tube-packed
Factory Pack Quantity 50
Transistor Type NPN
Operating Temperature -65℃~+150℃
Collector Current (Ic) 3A
Power Dissipation (Pd) 40W
Transition Frequency (fT) -
DC Current Gain (hFE@Ic,Vce) 25@1A,4V
Collector Cut-Off Current (Icbo) 0.3mA
Collector-Emitter Breakdown Voltage (Vceo) 60V
Collector-Emitter Saturation Voltage (VCE(sat)@Ic,Ib) 1.2V@3A,375mA
BMAX (BMAX) 50
BMIN (BMIN) 10 · 25
FT (FT) >3
IB2 (IB2) 100 · 375
IC (IC) 3A
IC1 (IC1) 3A · 1A · 500
IC2 (IC2) 1A · 3A
Leakage Current (ISPERR) s200
Total Power Dissipation (PTOT) 2 · 40
Maximum Temperature (TMAX) 150
TOFF (TOFF)
TON (TON) 500
Power Test Temperature (TPTOT) 25
UC1 (UC1) 4 · 10
UCB (UCB) 60
UCE (UCE) 60
UEB (UEB) 5
USAT (USAT) 1.2
Documents & Compliance
Complementary Parts

Complementary relationships are shown separately and do not imply interchangeability.

Alternative Parts & Cross Reference
Cross-reference analysis queued Voltkit will check database-backed and AI-assisted alternatives without delaying this page.

Always verify package, pinout, electrical limits, and datasheets before approving a substitute.

Professional Semiconductor Sourcing
Extensive In-Stock InventoryImmediate stock visibility for active, legacy, and hard-to-find semiconductors.
Authorized Brand AccessVoltkit is an authorized distributor for selected semiconductor brands.
Quality & Traceability SupportRequest date-code review, product photos, traceability documents, or certificate support with your RFQ.
Dedicated Sourcing TeamGet support for target pricing, delivery schedules, BOM sourcing, and alternative-part verification.