VLBS1007083T-R18L - 180nH 70A Shielded Power Inductor | TDK
Référence : VLBS1007083T-R18L ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $2.47 | $2,47 |
| 10 | $2.28 | $22,80 |
| 25 | $2.09 | $52,25 |
| 50 | $1.78 | $89,00 |
| 100 | $1.59 | $159,00 |
| 500 | $1.4 | $700,00 |
| 1 000 | $1.22 | $1 220,00 |
VLBS1007083T-R18L Présentation
A power inductor is a passive energy-storage component used in switching voltage regulators, filters, and DC/DC converters. Inductors store energy in a magnetic field when current flows and release it during the switch-off interval, smoothing ripple and enabling continuous current delivery. Hypernym hierarchy: inductor -> passive component -> electromagnetic component -> electronic component. The VLBS series occupies the high-current, low-DCR niche favored by server and telecom POL (point-of-load) buck regulators. TDK part-number encoding "VLBS1007083-R18L" decodes as: VLBS = series, 1007083 = 10.0 x 7.0 x 8.3 mm case, T = taping, R18 = 0.18 uH (180 nH), L = inductance tolerance grade.
Key electrical performance: 180 nH nominal at 100 kHz/1 V per the manufacturer test condition, 0.18 mOhm typical DCR (measured at +25 C, well below 1 milliohm), 70 A saturation current (Isat, defined as 20% inductance drop), and rated for ambient operating temperatures consistent with TDK's -40 C to +150 C power-inductor envelope. The shielded construction eliminates the need for keep-out zones around the part and supports bottom-side PCB placement in many designs.
Architecturally, the part uses a flat-wire or rectangular-wire winding on a drum ferrite core with magnetic shielding, which reduces proximity-effect losses at high ripple frequencies and supports the high-current density that defines the VLBS family. The non-standard 10x7 mm land pattern is mechanically robust and accommodates the wide terminations required for >50 A continuous current. Designers should note that inductance tolerance is asymmetric and that saturation current is the binding limit in VR13 / VR14 multi-phase VR applications.
Typical applications include multi-phase VR (voltage regulator) output chokes for server and workstation CPUs/GPUs, point-of-load buck converters in 48 V intermediate bus architectures, high-current energy-storage inductors in telecom equipment, industrial robotics motor-drive filtering, automotive 12 V / 24 V power-conversion modules, and FPGA/processor POL rails. The combination of small footprint, very low DCR, and 70 A Isat makes it a strong candidate for any application where conduction loss must be minimized at high duty cycles.
Designers should derate against the 0.18 mOhm DCR by computing I^2R copper loss at the worst-case RMS current and verify that saturation current exceeds the regulator's peak current limit. Pairing the inductor with low-ESR ceramic output capacitors mitigates ripple-induced audible noise and supports stable multi-phase interleaving. Refer to TDK's VLBS1007083 series datasheet for full L-vs-I, L-vs-frequency, and thermal derating curves.
Alternatives de remplacement direct pour VLBS1007083T-R18L — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
VLBS1007083T-R12L
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
VLBS1007083T-R15L
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
VLBS1007083T-R22L
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
VLBS1007083T-R10L
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
VLBU1007090T-R18L
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
VLBS1007083T-R33L
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
VLBS1007083T-R18L Valeurs maximales et caractéristiques électriques
| Inductance (Nominal) | 180 nH |
| Test Frequency (L) | 100 kHz / 1 V typical for power inductors |
| DC Resistance (DCR, typical) | 0.18 mOhm |
| Saturation Current (Isat) | 70 A (20% inductance drop, per datasheet) |
| Rated Current (typical) | 56 A (per Mouser listing at 15% inductance drop) |
| Package / Case Size | 10.0 x 7.0 x 8.3 mm (Nonstandard SMD) |
| Shielding | Shielded (drum-core magnetic shield) |
| Core Material | Ferrite drum core (wirewound) |
| Type de montage | Surface Mount |
| Packaging | Tape & Reel (TDK 'T' suffix) |
| RoHS / Lead-Free Status | Lead Free / RoHS compliant (per distributor listings) |
| Series | VLBS1007083 - Commercial Grade for Power Circuits |
Guide de configuration des broches du VLBS1007083T-R18L 10.0 x 7.0 x 8.3 mm (nonstandard smd)
Configuration des broches du VLBS1007083T-R18L (boîtier 10.0 x 7.0 x 8.3 mm (nonstandard smd)). La numérotation des broches, les fonctions et les schémas de connexion sont définis dans la fiche technique du fabricant. Consultez-la pour l'empreinte exacte et les directives de soudage.
Aucune donnée de brochage détaillée disponible pour VLBS1007083T-R18L.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
VLBS1007083T-R18L convient pour 6 applications: Multi-Phase VR13/VR14 Server CPU Voltage Regulator, 48 V Intermediate-Bus POL Buck Converter, Industrial Robotics Motor Drive DC-Link Filter, Automotive 12 V / 24 V Power Module, FPGA / ASIC Point-of-Load Power Rail, Telecom Base-Station Power Module.
Multi-Phase VR13/VR14 Server CPU Voltage Regulator
The VLBS1007083T-R18L's 70 A saturation current and 0.18 mOhm DCR make it a strong candidate for the output choke in multi-phase VR13 and VR14 buck regulators that power server-class CPUs and GPUs. Its 180 nH nominal inductance supports switching frequencies in the 600 kHz to 1 MHz range typical of VR13/VR14 implementations, where each phase delivers 30-40 A and the inductor must store sufficient energy between switching cycles without saturating. The 10 x 7 x 8.3 mm shielded footprint fits densely laid-out VR phases adjacent to the package. Pairing with low-ESR ceramic output capacitors (e.g., 22 uF X7R per phase) stabilizes the regulator loop and supports adaptive voltage positioning. Compared to taller shielded alternatives, VLBS1007083T-R18L's 8.3 mm profile fits the height envelope of 1U/2U server blades.
Recommandé
48 V Intermediate-Bus POL Buck Converter
In 48 V-to-POL (point-of-load) intermediate-bus converter stages that feed downstream 12 V / 5 V rails in telecom and data-center hardware, the VLBS1007083T-R18L handles high ripple current while keeping conduction loss low. The 0.18 mOhm DCR keeps I^2R losses under 1% even at 30 A RMS continuous, and the shielded drum-core construction prevents stray flux from coupling into adjacent signal traces. At a typical 600-800 kHz switching frequency and 180 nH inductance, the part maintains >90% efficiency end-to-end. Its 10 x 7 mm footprint supports compact quarter-brick and eighth-brick form factors, and the tape-and-reel packaging matches high-volume SMT assembly.
Recommandé
Industrial Robotics Motor Drive DC-Link Filter
Industrial servo drives and robotics motor inverters often place power inductors on the DC-link between rectifier and inverter stages to smooth current ripple and reduce conducted EMI. The VLBS1007083T-R18L's 70 A Isat handles the peak motor-regeneration currents typical of 1-3 kW servo amplifiers, while the shielded construction limits radiated magnetic interference that can disrupt encoder feedback signals. The 10 x 7 x 8.3 mm footprint fits within the tight enclosure of modular servo drive bays. Compared to older axial-leaded inductors, the SMD VLBS design supports vibration-tolerant assembly and automated production lines. Designers should derate the 0.18 mOhm DCR against expected RMS ripple, which can reach 20-30 A in continuous-operation servos.
Recommandé
Automotive 12 V / 24 V Power Module
Automotive DC/DC converters for 12 V battery rails and 24 V truck electrical systems require inductors that handle high transient currents with minimal DCR. The VLBS1007083T-R18L's 70 A Isat absorbs crank-dump and load-dump transients while the 0.18 mOhm DCR keeps steady-state losses low. The shielded construction resists magnetic interference with adjacent CAN/LIN transceivers and RF receivers. Operating within the -40 C to +125 C ambient envelope typical of under-hood automotive applications, the part is suitable for body-electronics modules, ADAS sensor power supplies, and infotainment head-unit rails. Engineers should verify AEC-Q200 stress-test compliance on the actual TDK datasheet before deployment in vibration-prone engine-bay environments.
Recommandé
FPGA / ASIC Point-of-Load Power Rail
High-performance FPGAs and ASICs often require dedicated POL rails delivering 30-60 A at sub-1 V core voltages. The VLBS1007083T-R18L handles these currents in a single phase (for moderate loads) or as one of several phases in a multi-phase configuration. Its 0.18 mOhm DCR contributes under 50 mW of conduction loss at 30 A, preserving the overall regulator efficiency above 90% even at low-output voltages. The shielded drum-core construction minimizes magnetic coupling that could couple switching noise into sensitive analog/RF inputs of mixed-signal FPGAs. The 10 x 7 mm footprint fits standard FPGA PMBus-compatible PMIC board layouts, and the part's wide current headroom supports transient surge events during FPGA configuration or logic-state changes.
Recommandé
Telecom Base-Station Power Module
4G and 5G base stations require high-efficiency, high-current power inductors for their RF power-amplifier and baseband DC/DC stages. The VLBS1007083T-R18L handles the 30-50 A RMS loads typical of remote-radio-head (RRH) power supplies while its magnetic-shielded construction prevents stray flux from perturbing sensitive RF signal chains. The very low 0.18 mOhm DCR supports the >95% efficiency demands of energy-conscious telecom deployments where total annual energy cost exceeds the BOM cost of the inductor. The 180 nH inductance supports 600 kHz+ switching frequencies that reduce passive-component size throughout the rest of the regulator. The 10 x 7 mm footprint fits the dense 19-inch rack-mount form factor of modern radios.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour VLBS1007083T-R18L — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | VLBS1007083T-R12L | VLBS1007083T-R15L | VLBS1007083T-R22L | VLBU1007090T-R18L |
|---|---|---|---|---|---|
| Brand | TDK | TDK | TDK | TDK | TDK |
| Package | 10.0 x 7.0 x 8.3 mm SMD (VLBS1007083) | 10.0 x 7.0 x 8.3 mm SMD - same | 10.0 x 7.0 x 8.3 mm SMD - same | 10.0 x 7.0 x 8.3 mm SMD - same | 10.0 x 7.0 x 9.0 mm SMD - taller |
| Inductance | 180 nH | 120 nH (-33%) | 150 nH (-17%) | 220 nH (+22%) | 180 nH (same value) |
| DC Resistance (DCR) | 0.18 mOhm typical | 0.18 mOhm typical (same family) | 0.18 mOhm typical (same family) | 0.18 mOhm typical (same family) | 0.18 mOhm typical (same DCR class) |
| Shielding | Shielded drum core | Shielded drum core | Shielded drum core | Shielded drum core | Shielded drum core |
| Series | VLBS1007083 (Commercial Grade) | VLBS1007083 | VLBS1007083 | VLBS1007083 | VLBU1007090 |
| Mounting / Packaging | SMD, Tape & Reel | SMD, Tape & Reel | SMD, Tape & Reel | SMD, Tape & Reel | SMD, Tape & Reel |
Principaux différenciateurs
- Very low 0.18 mOhm DCR in 10x7 mm footprint (vs VLBS1007083T-R12L)
- Thinner 8.3 mm profile vs. taller alternatives (vs VLBU1007090T-R18L)
- Same-family interchangeability enables BOM flexibility (vs VLBS1007083T-R15L)
Notes de conception
Estimated: At 30 A RMS continuous current with the datasheet's 0.18 mOhm DCR, copper loss is approximately (30 A)^2 * 0.18 mOhm = 162 mW, well within self-cooling thermal headroom for the 10x7 mm package. However, at 50 A continuous the loss rises to (50 A)^2 * 0.18 mOhm = 450 mW and self-heating becomes significant. Designers targeting 50 A continuous duty should verify junction-rise curves on the datasheet and consider 1 oz copper pours or thermal vias beneath the part. The shielded construction traps heat inside the device body, so airflow matters more than in non-shielded inductors.
Do not assume 70 A saturation current equals 70 A continuous operating current: saturation is a magnetic phenomenon (inductance drops), while thermal rating is set by DCR-driven self-heating. At 70 A continuous, I^2R loss at 0.18 mOhm is already 882 W, which is far beyond the part's thermal dissipation capability. Use saturation current as the upper bound on peak currents in transients, but derate RMS current to whatever the thermal curve permits (typically 30-40 A continuous in this footprint).
Place the inductor on a copper pour with at least 2 oz copper weight and minimum 100 mm^2 of copper area beneath/around the terminations. Match the magnetic-shielded drum-core construction with widely-spaced input/output traces to avoid coupling. The bottom-pad termination benefits from thermal vias; recommended via pattern is 4-6 vias at 0.3 mm diameter. Although the construction is shielded, route high-current traces away from sensitive analog inputs by at least 5 mm to minimize residual EMI coupling.
Route high-current switching nodes with minimum-loop area to reduce parasitic inductance and radiated EMI. Place the input ceramic capacitor as close as possible to the regulator's switching node, with the VLBS1007083T-R18L inductor on the opposite side of the SW node for a tight flux loop. Use 4-layer PCB stackup with dedicated ground plane adjacent to the inductor layer for best thermal and EMI performance.
Informations de conformité
RoHS compliant and lead-free per multiple distributor listings. AEC-Q100 qualification is not_applicable for an SMD inductor; automotive-grade equivalents should be verified against AEC-Q200 stress-test results on the datasheet.
