Low loss fast recovery diode Littelfuse IXYS DSEP12-12A suitable for switch mode power supplies and UPS
Product Overview
The DSEP12-12A is a high-performance fast recovery diode featuring low loss and soft recovery characteristics. Designed with planar passivated chips, it offers very low leakage current, very short recovery time, and improved thermal behavior. Its very low Irm-values and soft reverse recovery contribute to reduced power dissipation and lower turn-on losses in commutating switches, minimizing EMI/RFI. This diode is avalanche voltage rated for reliable operation and is suitable as an antiparallel diode for high-frequency switching devices, antisaturation diode, snubber diode, and freewheeling diode, as well as in rectifiers for switch mode power supplies (SMPS) and uninterruptible power supplies (UPS).
Product Attributes
- Brand: IXYS
- Package: TO-220
- Certifications: RoHS compliant, Epoxy meets UL 94V-0
- Chip Technology: Planar passivated
Technical Specifications
| Symbol | Definition | Conditions | Unit | typ. | max. | min. |
|---|---|---|---|---|---|---|
| VRRM | max. repetitive reverse blocking voltage | TVJ = 25C | V | 1200 | ||
| VRRM | max. repetitive reverse blocking voltage | TVJ = 150C | V | 1200 | ||
| VRRM | max. repetitive reverse blocking voltage | TVJ = 175C | V | 1200 | ||
| IFAVM | average forward current | TA = 45C | A | 15 | ||
| IFSM | max. forward surge current | t = 10 ms; (50 Hz), sine; TA = 45C | A | 120 | ||
| VJ | virtual junction temperature | C | 175 | -55 | ||
| Tstg | storage temperature | C | 150 | -55 | ||
| Ptot | total power dissipation | TA = 25C | W | 95 | ||
| VF0 | threshold voltage | TVJ = 175C | V | 1.03 | ||
| rF | slope resistance for power loss calculation only | TVJ = 175C | m | 43 | ||
| thJC | thermal resistance junction to case | K/W | 0.50 | |||
| thCH | thermal resistance case to heatsink | K/W | 0.50 | |||
| CJ | junction capacitance | VJ = 600 V; f = 1 MHz | pF | 135 | ||
| IR | reverse current, drain current | VJ = 1200 V; TVJ = 25C | A | 150 | ||
| IR | reverse current, drain current | VJ = 1200 V; TVJ = 100C | A | 150 | ||
| VF | forward voltage drop | IF = 15 A; TVJ = 100C | V | 1.03 | ||
| VF | forward voltage drop | IF = 30 A; TVJ = 100C | V | 1.87 | ||
| trr | reverse recovery time | IF = 15 A; -diF/dt = 200 A/s; VR = 600 V; TVJ = 100C | ns | 40 | ||
| IRM | max. reverse recovery current | IF = 15 A; -diF/dt = 200 A/s; VR = 600 V; TVJ = 100C | A | 9 | 140 | |
| Qr | reverse recovery charge | IF = 15 A; -diF/dt = 200 A/s; VR = 600 V; TVJ = 100C | C | 140 | ||
| VRSM | max. non-repetitive reverse blocking voltage | TVJ = 25C | V | 1200 | ||
| FAV | average forward current | TA = 100C | A | 12 |
Dimensions (TO-220):
| Dim. | Millimeter | Inches | ||
|---|---|---|---|---|
| Min. | Max. | Min. | Max. | |
| A | 4.32 | 4.82 | 0.170 | 0.190 |
| A1 | 1.14 | 1.39 | 0.045 | 0.055 |
| A2 | 2.29 | 2.79 | 0.090 | 0.110 |
| b | 0.64 | 1.01 | 0.025 | 0.040 |
| b2 | 1.15 | 1.65 | 0.045 | 0.065 |
| C | 0.35 | 0.56 | 0.014 | 0.022 |
| D | 14.73 | 16.00 | 0.580 | 0.630 |
| E | 9.91 | 10.66 | 0.390 | 0.420 |
| e | 5.08 BSC | 0.200 BSC | ||
| H1 | 5.85 | 6.85 | 0.230 | 0.270 |
| L | 12.70 | 13.97 | 0.500 | 0.550 |
| L1 | 2.79 | 5.84 | 0.110 | 0.230 |
| P | 3.54 | 4.08 | 0.139 | 0.161 |
| Q | 2.54 | 3.18 | 0.100 | 0.125 |
Product Marking: DSEP12-12A
Date Code: Zyyww
Lot #: abcdef
Assembly Line: 1 3
Backside: cathode
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