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HSChapter 85
U.S. imports of low-power transistors (non-photosensitive, under 1 watt dissipation) (HS 854121) totaled $22.0M in April 2026, traded with 30 countries.
Importers of Low-Power Transistors (Non-Photosensitive, Under 1 Watt Dissipation) paid $1.2M in duties in April 2026 — an effective duty rate of 45% on $2.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataTransistors with a dissipation rate below 1 watt — covering chips, dice, and wafers as well as finished devices — are further subdivided by operating frequency, with the 100 MHz boundary separating high-frequency RF transistors (8541210075) from lower-frequency general-purpose types (8541210095). Japan leads US imports under this heading, reflecting its deep expertise in precision analog and RF semiconductor fabrication. Frequency-based classification requires importers to reference manufacturer specifications carefully, as misclassification between the frequency-split lines is a common audit finding.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The US tariff schedule subdivides sub-1-watt transistors by whether their rated frequency is at or above 100 MHz (8541210075) or below 100 MHz (8541210095). This distinction reflects different end-use applications — RF and microwave circuits versus general switching and amplification — and the two lines may carry different duty treatment. The rated frequency on the manufacturer's datasheet is the controlling specification.
No. Unfinished chips, dice, and wafers for non-photosensitive transistors have their own dedicated line (8541210040) regardless of dissipation rate or frequency. Finished transistors are then classified into the frequency- and power-based lines. Importers shipping die-level product should confirm the stage of manufacture to avoid misclassification into a finished-device line.
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8541210095 | TRANSISTORS W/ DISSIP RATE LT 1 W, FREQ. LT 100MHZ | $17.6M | 45.94% | $800K |
| 8541210040 | CHIP,DICE & WAFER,TRANSISTORS OTHER THAN PHOTOSENS | $2.8M | 50.00% | $287K |
| 8541210075 | TRANSISTORS W/ DISSIP RATE LT 1 W,FREQ. GT=100MHZ | $1.6M | 29.86% | $110K |
TRANSISTORS W/ DISSIP RATE LT 1 W, FREQ. LT 100MHZ
CHIP,DICE & WAFER,TRANSISTORS OTHER THAN PHOTOSENS
TRANSISTORS W/ DISSIP RATE LT 1 W,FREQ. GT=100MHZ
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8541210080 | TRANSISTORS OTHER THAN PHOTOSENSITIVE,LT 1 W,NESOI | $8.8M |
| 8541210040 | CHIP,DICE & WAFER,TRANSISTORS OTHER THAN PHOTOSENS | $4.3M |
TRANSISTORS OTHER THAN PHOTOSENSITIVE,LT 1 W,NESOI
25.8M no
CHIP,DICE & WAFER,TRANSISTORS OTHER THAN PHOTOSENS
6.2M no
MACH FOR RECP/CONVR/TRANS/REGN OF VOICE/IMAGE/DATA
HS 851762
SOLID-STATE NON-VOL SEMICONDUCTOR STORAGE DEVICES
HS 852351
SMARTPHONES
HS 851713
PROCESSORS AND CONTROLLERS, ELECTRONIC INTEG CIRCT
HS 854231
CONTROLS ETC W ELECT APPR F ELECT CONT NOV 1000 V
HS 853710
STATIC CONVERTERS; ADP POWER SUPPLIES
HS 850440
Supplier Network
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| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $2.9M | $5.0M | +$2.1M |
| Tennessee | $6.3M | -- | -$6.3M |
| California | $3.5M | $2.8M | -$647K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES INTERNATIONAL AIRPORT, CA | $6.0M | $482K | -$5.6M |
| CLEVELAND, OH | $2.3M | $2.6M | +$335K |
| LOS ANGELES, CA | $3.9M | -- | -$3.9M |