Hyperfast power diode in a 2-lead TO220 plastic package.

Features and Benefits
  • Soft reverse recovery
  • Fast switching
  • Low leakage current
  • Low reverse recovery current
  • Low thermal resistance
  • Reduces switching losses in associated MOSFET or IGBT
  • Package meets UL94V0 which guaranteed by epoxy mold compound
  • Active PFC in air conditioner
  • High frequency switched-mode power supplies
  • Power Factor Correction (PFC)
Quality, reliability & chemical content
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
BYC31M-650PS VRRM repetitive peak reverse voltage       650 V
IF(AV) average forward current δ = 0.5; square-wave pulse     30 A
IFRM repetitive peak forward current δ = 0.5; square-wave pulse     60 A
IFSM non-repetitive peak forward current tp = 10 ms; Tj(init) = 25 °C; sine-wave pulse     250 A
tp = 8.3 ms; Tj(init) = 25 °C; sine-wave pulse     275 A
VF forward voltage IF = 30 A; Tj = 25 °C   1.85 2.50 V
IF = 30 A; Tj = 150 °C   1.45 2.10 V
trr reverse recovery time IF = 0.5 A; Irr = 0.25 A; IR = 1 A;
Tj = 25 °C
  36   ns
IF = 1 A; VR = 30 V; dIF/dt = 200 A/µs; Tj = 25 °C   23   ns
IF = 30 A; VR = 200 V; dIF/dt = 200 A/µs; Tj = 25 °C   72   ns
IF = 30 A; VR = 200 V; dIF/dt = 200 A/µs; Tj = 125 °C   121   ns
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)


HORIZONTAL, RAIL PACK Volume production Standard Marking BYC31M-650PSQ 9340 737 14127
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BYC31M-650PS 9340 737 14127 BYC31M-650PSQ NA NA  


Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BYC31M-650PS BYC31M-650PSQ BYC31M-650PS Leaded  H NA    

Chemical Content - BYC31M-650PS

As a proactive and sustainable company, WeEn Semiconductors has decided to publish chemical content information of its product portfolio through direct Internet access. With this information, we can provide data to our customers to facilitate any assessment regarding compliance to the RoHS directive and lead-free status. WeEn Semiconductors has set a standard in the semiconductor business with this detailed level of data, directly retrieved from its general product database. WeEn Semiconductors products are compliant to the EU Directives RoHS, ELV and the China RoHS.


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