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STTH108A

hot STTH108A

STTH108A

For Reference Only

Part Number STTH108A
Manufacturer STMicroelectronics
Description DIODE GEN PURP 800V 1A SMA
Datasheet STTH108A Datasheet
Package DO-214AC, SMA
In Stock 161136 piece(s)
Unit Price $ 0.1736 *
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Lead Time Can Ship Immediately
Estimated Delivery Time Jan 28 - Feb 2 (Choose Expedited Shipping)
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STTH108A

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STTH108A Specifications

ManufacturerSTMicroelectronics
CategoryDiscrete Semiconductor Products - Diodes - Rectifiers - Single
Datasheet STTH108A Datasheet
PackageDO-214AC, SMA
Series-
Diode TypeStandard
Voltage - DC Reverse (Vr) (Max)800V
Current - Average Rectified (Io)1A
Voltage - Forward (Vf) (Max) @ If1.65V @ 1A
SpeedFast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)75ns
Current - Reverse Leakage @ Vr5µA @ 800V
Mounting TypeSurface Mount
Package / CaseDO-214AC, SMA
Supplier Device PackageSMA (DO-214AC)
Operating Temperature - Junction175°C (Max)

STTH108A Datasheet

Page 1

Page 2

October 2009 Doc ID 9342 Rev 3 1/6 6 STTH108 High voltage ultrafast rectifier Features ■ Low forward voltage drop ■ High reliability ■ High surge current capability ■ Soft switching for reduced EMI disturbances ■ Planar technology Description The STTH108, which is using ST ultrafast high voltage planar technology, is specially suited for free-wheeling, clamping, snubbering, demagnetization in power supplies and other power switching applications. Table 1. Device summary Symbol Value IF(AV) 1 A VRRM 800 V Tj (max) 175 °C VF(max) 1.25 V K A K A SMA (JEDEC DO-214AC) STTH108A DO-41 STTH108 www.st.com

Page 3

Characteristics STTH108 2/6 Doc ID 9342 Rev 3 1 Characteristics To evaluate the conduction losses use the following equation: P = 1.05 x IF(AV) + 0.20 IF 2 (RMS) Table 2. Absolute ratings (limiting values) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 800 V V(RMS) Voltage rms 560 V IF(AV) Average forward current SMA TL = 110 °C δ = 0.5 1 A DO-41 TL = 130 °C δ = 0.5 IFSM Forward Surge current t = 8.3 ms SMA 20 A DO-41 25 Tstg Storage temperature range -50 to + 175 °C Tj Maximum operating junction temperature 175 °C Table 3. Thermal resistance Symbol Parameter Value Unit Rth(j-l) Junction to lead SMA 30 °C/WLead length = 10 mm DO-41 45 Rth(j-a) Junction to ambient Lead length = 10 mm DO-41 110 Table 4. Static electrical characteristics Symbol Parameter Tests conditions Min. Typ. Max. Unit IR Reverse leakage current Tj = 25 °C VR = 800 V 5 µA Tj = 125 °C 1 50 VF Forward voltage drop Tj = 25 °C IF = 1 A 1.65 V Tj = 125 °C 0.89 1.25 Table 5. Dynamic electrical characteristics Symbol Parameter Tests conditions Min. Typ. Max. Unit trr Reverse recovery time Tj = 25 °C IF = 0.5 A, Irr = 0.25 A IR = 1 A 75 ns tfr Forward recovery time Tj = 25 °C IF = 1 A, dIF/dt = 50 A/ms VFR = 1.1 x VFmax 200 ns VFP Forward recovery voltage Tj = 25 °C IF = 1 A, dIF/dt = 50 A/ms 12 V

Page 4

STTH108 Characteristics Doc ID 9342 Rev 3 3/6 Figure 1. Conduction losses versus average current Figure 2. Forward voltage drop versus forward current P(W) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 I (A)F(AV) T δ=tp/T tp δ = 1 δ = 0.05 δ = 0.5δ = 0.2δ = 0.1 0.1 1.0 10.0 100.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 I (A)FM V (V)FM T =25°C (maximum values) j T =150°C (maximum values) j T =150°C (typical values) j Figure 3. Relative variation of thermal impedance junction ambient versus pulse duration (DO-41) Figure 4. Relative variation of thermal impedance junction ambient versus pulse duration (epoxy FR4) (SMA) Z /Rth(j-c) th(j-c) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 t (s)p T δ=tp/T tp δ = 0.5 δ = 0.2 δ = 0.1 Single pulse epoxy FR4, leads = 10 mm 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 Z /Rth(j-c) th(j-c) t (s)p T δ=tp/T tp δ = 0.5 δ = 0.2 δ = 0.1 Single pulse Figure 5. Thermal resistance junction to ambient versus copper surface under each lead (DO-41) Figure 6. Thermal resistance junction to ambient versus copper surface under each lead (SMA) R (°C/W)th(j-a) 0 10 20 30 40 50 60 70 80 90 100 110 120 0 1 2 3 4 5 6 7 8 9 10 S(cm²) epoxy printed circuit board FR4, copper thickness: 35 µm 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 R (°C/W)th(j-a) S(cm²) epoxy printed circuit board FR4, copper thickness: 35 µm

Page 5

Package information STTH108 4/6 Doc ID 9342 Rev 3 2 Package information ● Epoxy meets UL 94, V0 ● Band indicates cathode ● Bending method (DO-41): see Application note AN1471 In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Figure 7. Footprint (dimensions in mm) Table 6. SMA dimensions Ref. Dimensions Millimeters Inches Min. Max. Min. Max. A1 1.90 2.45 0.075 0.094 A2 0.05 0.20 0.002 0.008 b 1.25 1.65 0.049 0.065 c 0.15 0.40 0.006 0.016 D 2.25 2.90 0.089 0.114 E 4.80 5.35 0.189 0.211 E1 3.95 4.60 0.156 0.181 L 0.75 1.50 0.030 0.059 Table 7. DO-41 (plastic) package dimensions Ref. Dimensions Millimeters Inches Min. Max. Min. Max. A 4.07 5.20 0.160 0.205 B 2.04 2.71 0.080 0.107 C 25.4 1 D 0.71 0.86 0.028 0.034 E C L E1 D A1 A2 b 2.63 5.43 1.4 1.64 1.4 ØD ØB AC C

Page 6

STTH108 Ordering information Doc ID 9342 Rev 3 5/6 3 Ordering information 4 Revision history Table 8. Ordering information Order code Marking Package Weight Base qty Delivery mode STTH108 STTH108 DO-41 0.34 g 2000 Ammopack STTH108A H08 SMA 0.068 g 5000 Tape and reel STTH108RL STTH108 DO-41 0.34 g 5000 Tape and reel Table 9. Document revision history Date Revision Changes Jan-2003 2 Last update. 30-Sep-2009 3 Updated table 7 package dimensions.

STTH108A Reviews

Average User Rating
5 / 5 (184)
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5 ★
166
4 ★
18
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Marcos*****taraman

September 25, 2019

Good communication and fast shipping! Recommended!

Sor*****Suri

September 23, 2019

DELIVERY AND COMMUNICATION EXTRA SELLER TOP 5 STARS on my list

Jos*****Lewis

March 28, 2019

Purchased this in May and didn't use it until last week. worked and all was good.

Cla*****Pace

December 27, 2018

Worked as advertised and good price. Can you imagine buying these at local store it would cost way to much.

Fern***** Brock

November 28, 2018

Heisener has everything! Each product is easy to search and navigate. No minimum quantities. Fast shipping!

Elai*****yers

November 11, 2018

Boundless range of products, ease of search and fast delivery continue to impress. Heisener is always my first stop for electronic components.

Nora*****gueroa

October 17, 2018

Very happy for the fast shipping and good price!

Amb*****Craig

September 28, 2018

I can find what I want, and also trust I'm getting what I paid for. Many times I had to send things back or eat the cost dealing shady sellers, either way it cost me.

Yare*****Fields

September 16, 2018

Nice to have an assortment on hand, just in case. Happy with this purchase.

Fay*****line

August 30, 2018

Heisener is awesome! Never any issues whatsoever. Product selection is good and delivery is on time.

STTH108A Guarantees

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If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

STTH108A Packaging

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