VLBS1007083T-R18L - 180nH 70A Shielded Power Inductor | TDK
料号： VLBS1007083T-R18L ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： VLBS1007083T-R18L ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
VLBS1007083T-R12L
✅ 直接替换📋 参考替代料（不在目录中）
VLBS1007083T-R15L
✅ 直接替换📋 参考替代料（不在目录中）
VLBS1007083T-R22L
✅ 直接替换📋 参考替代料（不在目录中）
VLBS1007083T-R10L
✅ 直接替换📋 参考替代料（不在目录中）
VLBU1007090T-R18L
✅ 直接替换📋 参考替代料（不在目录中）
VLBS1007083T-R33L
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
VLBS1007083T-R18L 最大额定值与电气特性
| 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) |
| 安装类型 | 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 |
VLBS1007083T-R18L 10.0 x 7.0 x 8.3 mm (nonstandard smd) 引脚配置指南
VLBS1007083T-R18L（10.0 x 7.0 x 8.3 mm (nonstandard smd) 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： VLBS1007083T-R18L.
请参阅 数据手册 以查看完整引脚配置。
典型应用
VLBS1007083T-R18L 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： VLBS1007083T-R18L ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Very low 0.18 mOhm DCR in 10x7 mm footprint （对比 VLBS1007083T-R12L)
- Thinner 8.3 mm profile vs. taller alternatives （对比 VLBU1007090T-R18L)
- Same-family interchangeability enables BOM flexibility （对比 VLBS1007083T-R15L)
设计说明
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.
合规信息
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.
