KF33BD-TR
SearchKF33 Series 500 mA 3.3 V Fixed Output VLDO Regulator with Inhibit - SOIC-8
Lifecycle: Active Supply Risk Score and Supply Risk Trend are available on Pro and Enterprise. Watchlist (Pro)
Datasheets:Datasheet (Arrow USA)
Country of origin: CNRoHS Compliant MSL MSL 1

Farnell(1/8)
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View PlansConfirmed Stock
351,320
Availability is incomplete; unknown stock and unidentified marketplace inventory are excluded.
9 of 24 suppliers stocked
Best Unit Price
—
Availability
9of 24 suppliers
Fastest delivery: 105 days
Shortest factory lead: 14 weeks
Stock by Supplier
Stock & Availability
| Supplier | Supplier Part Number | Stock | Delivery | Factory Lead | MOQ | Packaging | Status |
|---|---|---|---|---|---|---|---|
| 137,500 | — | 14 weeks | Minimum order quantity 2,500Order multiple 2,500 | In Stock | In Stock | ||
| 97,500 | — — | 14 weeks — | Minimum order quantity 2,500Order multiple 2,500 Minimum order quantity 2,500Order multiple 2,500 | — | In Stock | ||
| 0 | — | 14 weeks | Minimum order quantity 2,500Order multiple 2,500 | Call For Quote | No Stock | ||
KF33BD-TR | 72,500 | 105 days | — | Minimum order quantity 2,500Order multiple 2,500 | — | In Stock | |
STMKF33BDTR | 25,000 | 105 days | — | Minimum order quantity 2,500Order multiple 2,500 | — | In Stock | |
STMKF33BDTR | 62,500 | 105 days | — | Minimum order quantity 2,500Order multiple 2,500 | — | In Stock | |
KF33BD-TR | 0 | 105 days | — | Minimum order quantity 2,500Order multiple 2,500 | — | No Stock | |
| 36,130 | — | — | Minimum order quantity 1 | RL1 | In Stock | ||
| 7,058 | — | — | Minimum order quantity 85 | Reel - TR | In Stock | ||
| 3,948 | — | 14 weeks | Minimum order quantity 1Order multiple 2,500 | Reel, Cut Tape, MouseReel | In Stock | ||
| 1,846 | 105 days | — | Minimum order quantity 5 | — | In Stock | ||
| 1,846 | 105 days | — | Minimum order quantity 100 | — | In Stock | ||
| 0 | 105 days | — | Minimum order quantity 2,500 | — | No Stock | ||
| 1,750 | — | — | Minimum order quantity 5Order multiple 5 | RL | In Stock | ||
| 0 | — | — | Minimum order quantity 2,500Order multiple 2,500 | RL | No Stock | ||
| 1,242 | — | — | Minimum order quantity 1Order multiple 2,500 | Tape & Reel (TR) | In Stock | ||
| 0 | — | 14 weeks | Minimum order quantity 1Order multiple 2,500 | Cut Tape (CT) | No Stock | ||
| 0 | — | 14 weeks | Minimum order quantity 2,500Order multiple 2,500 | Tape & Reel (TR) | No Stock | ||
| 0 | — | 14 weeks | Minimum order quantity 1Order multiple 2,500 | Digi-Reel® | No Stock | ||
| 0 | — | 14 weeks | Minimum order quantity 2,500Order multiple 2,500 | — | No Stock | ||
| 0 | — | 14 weeks | Minimum order quantity 2,500Order multiple 2,500 | — | No Stock | ||
| 0 | — | 14 weeks | Minimum order quantity 2,500Order multiple 2,500 | — | No Stock | ||
| 0 | — | 14 weeks | Minimum order quantity 2,500Order multiple 2,500 | — | No Stock | ||
| 0 | — | 14 weeks | Minimum order quantity 2,500Order multiple 2,500 | REEL | No Stock |
Supplier Part Details
| Supplier | Description | RoHS | MSL | Life Cycle | SVHC | Category | Country | Weight | Tariff Code | Packaging | Links |
|---|---|---|---|---|---|---|---|---|---|---|---|
Digi-Key 497-7757-2-ND | Linear Voltage Regulator IC Positive Fixed 1 Output 500mA 8-SOIC | — | MSL 1 | Active | — | Integrated Circuits (ICs) | — | — | 8542.39.0090 (US HTS) | Tape & Reel (TR) | |
Digi-Key 497-7757-1-ND | Linear Voltage Regulator IC Positive Fixed 1 Output 500mA 8-SOIC | — | MSL 1 | Active | — | Integrated Circuits (ICs) | — | — | 8542.39.0090 (US HTS) | Cut Tape (CT) | |
Winsource KF33BD-TR | IC REG LDO 3.3V 0.5A 8SO | Yes | — | — | — | — | — | — | — | Reel - TR | |
Avnet Silica STMKF33BDTR | SO 08 .15 JEDE/3.3V 0.5A 2% L.D. | Yes | — | — | — | — | — | — | — | — | |
Farnell 2253497 | STMICROELECTRONICS - KF33BD-TR - LDO-Festspannungsregler, 5.3V bis 20V, 400mV Dropout, 3.3Vout, 1Aout, SOIC-8 | Yes | — | Active | No SVHC (25-Jun-2025) | — | CN | — | 85423990 (EU CN) | — | |
Digi-Key 497-7757-6-ND | Linear Voltage Regulator IC Positive Fixed 1 Output 500mA 8-SOIC | — | MSL 1 | Active | — | Integrated Circuits (ICs) | — | — | 8542.39.0090 (US HTS) | Digi-Reel® | |
Farnell 9755314RL | STMICROELECTRONICS - KF33BD-TR - LDO-Festspannungsregler, 5.3V bis 20V, 400mV Dropout, 3.3Vout, 1Aout, SOIC-8 | Yes | — | Active | No SVHC (25-Jun-2025) | — | CN | — | 85423990 (EU CN) | — | |
Avnet EBV KF33BD-TR | VERY LOW DROP VOLTAG | Yes | — | — | — | — | — | — | — | — | |
Farnell 9755314 | STMICROELECTRONICS - KF33BD-TR - LDO-Festspannungsregler, 5.3V bis 20V, 400mV Dropout, 3.3Vout, 1Aout, SOIC-8 | Yes | — | Active | No SVHC (25-Jun-2025) | — | CN | — | 85423990 (EU CN) | — | |
Future Electronics 6189952 | KF33 Series 500 mA 3.3 V Fixed Output VLDO Regulator with Inhibit - SOIC-8 | Yes | — | Active | — | linear regulators | — | 0.3024 g | — | — | |
Avnet EBV STMKF33BDTR | VERY LOW DROP VOLTAG | Yes | — | — | — | — | — | — | — | — | |
Arrow USA E02:0323_00208379 | LDO Regulator Pos 3.3V 0.5A 8-Pin SO N T/R | Yes | — | Active | — | Linear Regulators | — | — | — | In Stock | |
Mouser 511-KF33BD-TR | LDO Voltage Regulators 3.3V 0.5A Positive | Yes | — | — | — | LDO Voltage Regulators | — | 0.00029 g | 8542399000 | Reel, Cut Tape, MouseReel | |
RS 1686537 | STMicroelectronics Spannungsregler 500mA, 1 Niedrige Abfallspannung SOIC, 8-Pin, Fest | — | — | — | — | — | — | — | — | RL | |
LCSC C283393 | 3.3V Positive Fixed SO-8 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators RoHS | Yes | — | — | — | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | — | 0.000194 g | — | Tape & Reel (TR) | |
RS 6869029P | STMicroelectronics Spannungsregler 500mA, 1 Niedrige Abfallspannung SOIC, 8-Pin, Fest | — | — | — | — | — | — | — | — | RL | |
Arrow USA V36:1790_06552013 | LDO Regulator Pos 3.3V 0.5A 8-Pin SO N T/R | Yes | — | Active | — | Linear Regulators | — | — | — | Call For Quote | |
Avnet Silica KF33BD-TR | SO 08 .15 JEDE/3.3V 0.5A 2% L.D. | Yes | — | — | — | — | — | — | — | — | |
Arrow USA KF33BD-TR | LDO Regulator Pos 3.3V 0.5A 8-Pin SO N T/R | Yes | — | Active | — | Linear Regulators | — | — | — | — | |
TME KF33BD-TR | IC: Spannungsstabilisator; LDO,Linie,nicht geregelt; 3,3V; SO8 | — | — | — | — | LDO-Festspannungsregler | — | — | — | RL1 | |
Future Electronics KF33BD-TR | KF33 Series 500 mA 3.3 V Fixed Output VLDO Regulator with Inhibit - SOIC-8 | Yes | — | Active | — | linear regulators | — | 0.3024 g | — | REEL | |
Future Electronics 6886220 | KF33 Series 500 mA 3.3 V Fixed Output VLDO Regulator with Inhibit - SOIC-8 | Yes | — | Active | — | linear regulators | — | 0.288 g | — | — | |
Future Electronics 7318405 | KF33 Series 500 mA 3.3 V Fixed Output VLDO Regulator with Inhibit - SOIC-8 | Yes | — | Active | — | linear regulators | — | 0.288 g | — | — | |
Future Electronics 9158030 | KF33 Series 500 mA 3.3 V Fixed Output VLDO Regulator with Inhibit - SOIC-8 | Yes | — | Active | — | linear regulators | — | 0.3024 g | — | — | |
MyArrow KF33BD-TR | LDO Regulator Pos 3.3V 0.5A 8-Pin SO N T/R | Yes | — | Active | — | SP1 | — | — | — | TAPE/REEL |
Technical Attributes
Anzahl der Ausgänge1Ausgänge
Anzahl der Pins8Pin(s)
AusgangFest
Ausgangsspannung, max.-
Ausgangsspannung, min.-
Ausgangsspannung, nom.3.3V
Ausgangsstrom, max.500mA
Betriebstemperatur, max.125°C
Betriebstemperatur, min.-40°C
Dropout-Spannung, typ., bei Strom400mV
Eingangsspannung, max.20V
Eingangsspannung, min.5.3V
euEccnNLR
hazardousfalse
IC-Gehäuse / BauformSOIC
IC-MontageOberflächenmontage
isCanonicalN
MSLMSL 1 - unbegrenzt
Nennausgangsspannung3.3V
PolaritätPositiver Ausgang
productTraceabilityYes-Date/Lot Code
Produktpalette3.3V 1A LDO Voltage Regulators
rohsPhthalatesCompliantYES
Typische Dropout-Spannung bei Strom400mV
usEccnEAR99