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Bourns, Inc.

Bourns, Inc.- Audio Transformers

Bourns, Inc. is a global manufacturer of electronic components, founded in 1947 by Marlan and Rosemary Bourns, with its headquarters in Riverside, California, USA. The company specializes in the design and production of a wide range of passive components, circuit protection devices, and sensors for various industries. Bourns' product portfolio includes trimming potentiometers, precision potentiometers, linear motion potentiometers, and rotary dials, which are widely used in industrial and consumer applications. In the area of circuit protection, Bourns offers thyristor surge protectors, gas discharge tubes, resettable fuses, telecom fuses, and ESD protection products. The company also provides an extensive lineup of inductive components such as transformers, coils, and chokes for power and signal applications. Its resistive product range features chip resistors, chip resistor arrays, and specialty resistors, including current sense and high-power types. Additionally, Bourns manufactures switches, encoders, panel controls, modular contacts, and network interface devices for telecommunications. More recent expansions include microelectronic modules, power semiconductors, and custom integrated passive solutions. Bourns serves key markets like automotive, industrial automation, telecommunications, consumer electronics, and medical equipment. With manufacturing facilities and sales offices around the world, Bourns is recognized as a trusted supplier of high-reliability components, holding a strong position in the niche potentiometer and circuit protection segments.

03

Audio Transformers - 型号列表

141 parts in total

Factory Pack Quantity

Frequency

Insertion Loss (Max)

Turns Ratio - Primary:Secondary

Depth

-3db Bandwidth

Return Loss (Min)

Other Names

Impedance

Packaging

DC Resistance (DCR) - Primary

RF Family/Standard

Standard Package

Height

Lead Style

Length - Overall

Transformer Type

Number of Contacts

Operating Temperature

Frequency Response

DC Resistance (DCR) - Secondary

Inductance

Size / Dimension

RoHS

Mounting Type

Series

Isolation

Inductance Range

Frequency Range

Voltage - Breakdown

Impedance - Primary (Ohms)

Height - Seated (Max)

Mfr Part #Quantity AvailablePriceRoHSProduct CategoryStandard PackageFactory Pack QuantityTurns Ratio - Primary:SecondaryLead StylePackagingMounting TypeTransformer TypeOperating TemperatureInsertion Loss (Max)EU RoHSFrequencyDepthHeightLength - OverallNumber of ContactsSeriesRF Family/StandardReturn Loss (Min)Impedance-3db BandwidthDC Resistance (DCR) - PrimaryFrequency ResponseVoltage - BreakdownImpedance - Primary (Ohms)DC Resistance (DCR) - SecondaryImpedance - Secondary (Ohms)Other NamesFrequency RangeInductanceSize / DimensionIsolationInductance RangePackage CooledProductVoltage - PrimaryVoltage - IsolationResistance - Initial (Ri) (Min)WidthLengthShieldingPrimary MaterialTermination StyleProduct TypeHeight - Seated (Max)Impedance - Unbalanced/BalancedPackage / CaseCrosstalkCMRR, PSRR (Typ)
2-4-1JEL
2-4-1JEL

RF Transformer 1:2 0.2MHz to 350MHz Surface Mount MAGNETICS RF TRANSFORMER Transformers Audio & Signal RF TRANSFORMER WIDEBAND

bourns

101400: ¥12.6657Lead free / RoHS CompliantTransformers Audio & SignalTape & Reel7001:2J LeadsTape and ReelSurface MountWide Band RF Transformer703Compliant0.2MHz to 350MHz8.386.357.626*--1:40.2 to 350----------------------------
PT75161EL
PT75161EL

Telecom Transformer 1:2:2 500VAC 3.5Ohm Prim. DCR Surface Mount E4/STM-1 TRANSFORMER Transformers Audio & Signal Telecom Transformer Surface Mount

bourns

10300: ¥19.992Lead free / RoHS CompliantTransformers Audio & SignalBulk3001:2:2Gull WingReel----------*PT18@0.005MHz to 1MHz dB--3.5 Ohm---------500 Vac10(Min) mH----------------
2-4-1DL
2-4-1DL

RF Transformer 1:2 0.2MHz to 350MHz Through Hole RF Transformer 1:2 6Term. PC Pin Thru-Hole MAGNETICS RF TRANSFORMER Transformers Audio & Signal RF TRANSFORMER WIDEBAND

bourns

101360: ¥12.6704Lead free / RoHS CompliantTransformers Audio & SignalRail / Tube681:2PC PinTubeThrough HoleWide Band RF Transformer703Compliant0.2MHz to 350MHz8.836.357.626*--1:40.2 to 350------------DIP---------------
2-4-1WL
2-4-1WL

RF Transformer 1:2 0.2MHz to 350MHz Surface Mount RF Transformer 1:2 6Term. Gull Wing SMD MAGNETICS RF TRANSFORMER Transformers Audio & Signal RF TRANSFORMER WIDEBAND

bourns

101360: ¥12.6704Lead free / RoHS CompliantTransformers Audio & SignalRail / Tube681:2Gull WingTubeSurface MountWide Band RF Transformer703Compliant0.2MHz to 350MHz10.926.357.626*--1:40.2 to 350----------------------------
3-1-1JL
3-1-1JL

RF Transformer 1:1 0.15MHz to 400MHz Surface Mount Transformers Audio & Signal WIDEBAND RF TRANS LOW PROFILE

bourns

10126: ¥13.4409RoHS CompliantTransformers Audio & SignalRail / Tube631:1J LeadsReelSurface MountWide Band RF Transformer703Compliant0.15MHz to 400MHz8.386.357.626---1:10.15 to 400----------------------------
3-1-1WL
3-1-1WL

RF Transformer 1:1 0.15MHz to 400MHz Surface Mount RF Transformer 1:1 6Term. Gull Wing SMD MAGNETICS RF TRANSFORMER Transformers Audio & Signal WIDEBAND RF TRANS LOW PROFILE

bourns

101360: ¥12.6704Lead free / RoHS CompliantTransformers Audio & SignalRail / Tube681:1Gull WingTubeSurface MountWide Band RF Transformer703Compliant0.15MHz to 400MHz10.926.357.626*--1:10.15 to 400----------------------------
3-1-6DL
3-1-6DL

RF Transformer 1:1 0.01MHz to 150MHz Through Hole RF Transformer 1:1 6Term. PC Pin Thru-Hole Transformers Audio & Signal WIDEBAND RF TRANS LOW PROFILE MAGNETICS RF TRANSFORMER

bourns

101360: ¥12.6704RoHS CompliantTransformers Audio & SignalRail / Tube681:1PC PinTubeThrough HoleWide Band RF Transformer703.0dBCompliant0.01MHz to 150MHz8.836.357.626---1:10.01 to 150-------10kHz ~ 150MHz----DIP-----------1:1*--
3-16-1JPEL
3-16-1JPEL

RF Transformer 4:1 0.3MHz to 120MHz Surface Mount MAGNETICS RF TRANSFORMER Transformers Audio & Signal WIDEBAND RF TRANS LOW PROFILE

bourns

101400: ¥12.6657Lead free / RoHS CompliantTransformers Audio & SignalTape & Reel7004:1J LeadsTape and ReelSurface MountWide Band RF Transformer703Compliant0.3MHz to 120MHz8.386.357.626*--16:10.3 to 120----------------------------
3-9-1WL
3-9-1WL

RF Transformer 1:3 0.15MHz to 200MHz Surface Mount RF Transformer 1:3 6Term. Gull Wing SMD MAGNETICS RF TRANSFORMER Transformers Audio & Signal RF TRANSFORMER WIDEBAND

bourns

101360: ¥12.6704Lead free / RoHS CompliantTransformers Audio & SignalRail / Tube681:3Gull WingTubeSurface MountWide Band RF Transformer703Compliant0.15MHz to 200MHz10.926.357.626*--1:90.15 to 200----------------------------
LM-NP-1003L
LM-NP-1003L

Audio Transformer 1:1 6500VDC 66Ohm Prim. DCR 66Ohm Sec. DCR -0.3dB 1.5dB Through Hole Audio Transformer 1:1 6500VDC 66Ohm Prim. DCR 66Ohm Sec. DCR 6Term. PC Pin Thru-Hole TRANSF LINE MATCHING Transformers Audio & Signal LINE MATCHING TRANS

bourns

101: ¥49.0696Lead free / RoHS CompliantTransformers Audio & SignalBulk281:1PC PinBulkThrough HoleLine Matching Audio Transformer-10 to 60 °C1.5Compliant0.2kHz to 3.5kHz17.712.617.76*LM-NP-100010--66-0.3dB6500VDC60066600----------------------
LM-NP-1002L
LM-NP-1002L

Audio Transformer 1:1 6500VDC 66Ohm Prim. DCR 66Ohm Sec. DCR -0.3dB 1.5dB Through Hole TRANSFORMER LINE MATCHING Transformers Audio & Signal 1KHz 66ohm 10% line matching trans

bourns

12441: ¥51.816Lead free / RoHS CompliantTransformers Audio & SignalBulk281:1PC Pin-Through HoleLine Matching Audio Transformer-10 to 60 °C-------*LM-NP-1000---------LMNP1002L---------------------
LM-NP-1004L
LM-NP-1004L

Audio Transformer 1:1 6500VDC 66Ohm Prim. DCR 66Ohm Sec. DCR -0.3dB 1.5dB Through Hole TRANSF LINE MATCHING Transformers Audio & Signal MATCHING TRANS Audio Transformer 1:1 6500VDC 66Ohm Prim. DCR 66Ohm Sec. DCR 6Term. PC Pin Thru-Hole

bourns

7401: ¥36.244Lead free / RoHS CompliantTransformers Audio & SignalBulk281:1PC Pin-Through HoleLine Matching Audio Transformer-10 to 60 °C1.5Compliant0.2kHz to 3.5kHz17.712.617.76*LM-NP-100010--66-0.3dB6500VDC60066600----------------------
SM-LP-5002
SM-LP-5002

Audio Transformer 1:1 2000Vrms 136Ohm Prim. DCR 136Ohm Sec. DCR ±0.25dB 2dB Surface Mount Audio Transformer 1:1 2000Vrms 136Ohm Prim. DCR 136Ohm Sec. DCR 6Term. Gull Wing SMD TRANSFORMBER LINE MATCHING SMD Transformers Audio & Signal 600uH 7.36mm SMT Line Matching

bourns

491: ¥36.582Lead free / RoHS CompliantTransformers Audio & SignalTape & Reel531:1Gull WingTubeSurface MountSurface Mount Line Matching Transformer-20 to 85 °C2@2KHzCompliant0.2kHz to 4kHz9.67.36 mm12.56*SM-LP-500224@0.2kHz to 4kHz--136(Typ)±0.25dB2000Vrms600 Ohms136 Ohms-SMLP5002200 Hz to 4 kHz7 mH12.5 mm L x 9.6 mm W x 7.36 mm H---Line Matching Transformers500 V1.5 kV136 Ohms9.6 mm12.5 mmUnshielded136 OhmsSMD/SMTTransformers-----
PT61017EL
PT61017EL

Telecom Transformer 1CT:1CT 1500Vrms 0.9Ohm Prim. DCR 0.9Ohm Sec. DCR -1.1dB Surface Mount Transformers Audio & Signal LAN 10/100 Tin Injection Molding

bourns

101: ¥10.812RoHS Compliant-Tape & Reel-1CT:1CTGull WingReel----1.1@0.3MHz to 100MHz dB------PT61017PT-12@60MHz to 80MHz dB------------1500 Vrms0.35(Min) mH---------------35@60MHz to 100MHz dB-30@80MHz to 100MHz dB
3-2-1JL
3-2-1JL

MAGNETICS- RF TRANSFORMER Transformers Audio & Signal WIDEBAND RF TRANS LOW PROFILE

bourns

10126: ¥13.4409RoHS CompliantTransformers Audio & Signal-63--Reel-------------------------------------------
LM-LP-1001L
LM-LP-1001L

Audio Transformer 1:1 6500VDC 90Ohm Prim. DCR 90Ohm Sec. DCR -0.5dB 2dB Through Hole TRANSF LINE MATCHING Transformers Audio & Signal LINE MATCHING TRANS

bourns

7081: ¥22.508Lead free / RoHS CompliantTransformers Audio & SignalBulk281:1PC PinBulkThrough HoleLine Matching Audio Transformer-10 to 60 °C--------LM-LP-1000---------LMLP1001L-2.8H17.70mm L x 17.70mm W-------------12.80mm----
LM-LP-1002L
LM-LP-1002L

Audio Transformer 1:1 6500VDC 90Ohm Prim. DCR 90Ohm Sec. DCR -0.5dB 2dB Through Hole Audio Transformer 1:1 6500VDC 90Ohm Prim. DCR 90Ohm Sec. DCR 5Term. PC Pin Thru-Hole TRANSF LINE MATCHING Transformers Audio & Signal LINE MATCHING TRANS

bourns

101008: ¥26.8369Lead free / RoHS CompliantTransformers Audio & SignalBulk281:1PC PinBulkThrough HoleLine Matching Audio Transformer-10 to 60 °C2Compliant0.2kHz to 3.5kHz17.712.617.75*LM-LP-10008--90-0.5dB6500VDC60090600----------------------
LM-LP-1005L
LM-LP-1005L

Audio Transformer 1:1 6500VDC 90Ohm Prim. DCR 90Ohm Sec. DCR -0.5dB 2dB Through Hole Audio Transformer 1:1 6500VDC 90Ohm Prim. DCR 90Ohm Sec. DCR 8Term. PC Pin Thru-Hole TRANSFORMER LINE MATCHING Transformers Audio & Signal LINE MATCHING TRANS

bourns

9351: ¥51.816Lead free / RoHS CompliantTransformers Audio & SignalBulk281:1PC PinBulkThrough HoleLine Matching Audio Transformer-10 to 60 °C2Compliant0.2kHz to 3.5kHz17.712.617.78*LM-LP-10008--90-0.5dB6500VDC60090600LMLP1005L---------------------
LM-NP-1005L
LM-NP-1005L

Audio Transformer 1:1 6500VDC 66Ohm Prim. DCR 66Ohm Sec. DCR -0.3dB 1.5dB Through Hole Audio Transformer 1:1 6500VDC 66Ohm Prim. DCR 66Ohm Sec. DCR 8Term. PC Pin Thru-Hole TRANSF LINE MATCHING Transformers Audio & Signal 1KHz 90ohm 10%

bourns

101008: ¥26.8369Lead free / RoHS CompliantTransformers Audio & SignalBulk281:1PC PinBulkThrough HoleLine Matching Audio Transformer-10 to 60 °C1.5Compliant0.2kHz to 3.5kHz17.712.617.78*LM-NP-100010--66-0.3dB6500VDC60066600----------------------
SM-LP-5002E
SM-LP-5002E

Audio Transformer 1:1 2000Vrms 136Ohm Prim. DCR 136Ohm Sec. DCR ±0.25dB 2dB Surface Mount Audio Transformer 1:1 2000Vrms 136Ohm Prim. DCR 136Ohm Sec. DCR 6Term. Gull Wing SMD TRANSF LINE MATCHING SMD Transformers Audio & Signal 600uH 7.36mm SMT Line Matching

bourns

611: ¥25.9875Lead free / RoHS CompliantTransformers Audio & SignalTape & Reel4001:1Gull WingTape and ReelSurface MountSurface Mount Line Matching Transformer-20 to 85 °C2@2KHzCompliant0.2kHz to 4kHz9.67.36 mm12.56-SM-LP-500224@0.2kHz to 4kHz--136(Typ)±0.25dB2000Vrms600 Ohms136 Ohms-SM-LP-5002ECT200 Hz to 4 kHz3.8H12.50mm L x 9.60mm W---Line Matching Transformers500 V1.5 kV136 Ohms9.6 mm12.5 mmUnshielded136 OhmsSMD/SMTTransformers7.36mm----
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