Document
Philips Semiconductors
Product specification
Rectifier diodes ultrafast, rugged
FEATURES
• Low forward volt drop • Fast switching • Soft recovery characteristic • Reverse surge capability • High thermal cycling performance • Isolated mounting tab
BYQ28F, BYQ28EX series
SYMBOL
QUICK REFERENCE DATA VR = 150 V/ 200 V
a1 1 k 2
a2 3
VF ≤ 0.895 V IO(AV) = 10 A IRRM = 0.2 A trr ≤ 25 ns
GENERAL DESCRIPTION
Dual, ultra-fast, epitaxial rectifier diodes intended for use as output rectifiers in high frequency switched mode power supplies. The BYQ28F series is supplied in the SOT186 package. The BYQ28EX series is supplied in the SOT186A package.
PINNING
PIN 1 2 3 tab DESCRIPTION anode 1 (a) cathode (k) anode 2 (a) isolated
SOT186
case
SOT186A
case
1 2 3
1 2 3
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134). SYMBOL VRRM VRWM VR IO(AV) IFRM IFSM PARAMETER Peak repetitive reverse voltage Crest working reverse voltage Continuous reverse voltage Average rectified output current (both diodes conducting)1 Repetitive peak forward current per diode Non-repetitive peak forward current per diode CONDITIONS BYQ28F / BYQ28EX Ths ≤ 148˚C -40 MIN. -150 150 150 150 10 10 50 55 0.2 0.2 150 150 MAX. -200 200 200 200 UNIT V V V A A A A A A ˚C ˚C
IRRM IRSM Tstg Tj
square wave δ = 0.5; Ths ≤ 92 ˚C t = 25 µs; δ = 0.5; Ths ≤ 92 ˚C t = 10 ms t = 8.3 ms sinusoidal; with reapplied VRWM(max) Repetitive peak reverse current tp = 2 µs; δ = 0.001 per diode Non-repetitive peak reverse tp = 100 µs current per diode Storage temperature Operating junction temperature
1 Neglecting switching and reverse current losses October 1998 1 Rev 1.300
Philips Semiconductors
Product specification
Rectifier diodes ultrafast, rugged
ESD LIMITING VALUE
SYMBOL VC PARAMETER Electrostatic discharge capacitor voltage CONDITIONS Human body model; C = 250 pF; R = 1.5 kΩ
BYQ28F, BYQ28EX series
MIN. -
MAX. 8
UNIT kV
ISOLATION LIMITING VALUE & CHARACTERISTIC
Ths = 25 ˚C unless otherwise specified SYMBOL PARAMETER Visol Peak isolation voltage from all terminals to external heatsink CONDITIONS SOT186 package; R.H. ≤ 65%; clean and dustfree MIN. TYP. MAX. UNIT 1500 V
Visol
R.M.S. isolation voltage from SOT186A package; f = 50-60 Hz; all terminals to external sinusoidal waveform; R.H. ≤ 65%; clean heatsink and dustfree Capacitance from pin 2 to external heatsink f = 1 MHz
-
-
2500
V
Cisol
-
10
-
pF
THERMAL RESISTANCES
SYMBOL Rth j-hs Rth j-a PARAMETER Thermal resistance junction to heatsink Thermal resistance junction to ambient CONDITIONS with heatsink compound without heatsink compound in free air MIN. TYP. 55 MAX. 5.7 6.7 UNIT K/W K/W K/W
ELECTRICAL CHARACTERISTICS
characteristics are per diode at Tj = 25 ˚C unless otherwise stated SYMBOL VF IR Qs trr1 trr2 Irrm Vfr PARAMETER Forward voltage Reverse current Reverse recovery charge Reverse recovery time Reverse recovery time Peak reverse recovery current Forward recovery voltage CONDITIONS.