Datasheet

7 Physical Dimensions and PCB Land Pattern
7.3 Dimensions of External Antenna Connector
ESP32-C3-MINI-1U uses the third generation external antenna connector as shown in Figure 12. This connector
is compatible with the following connectors:
• W.FL Series connector from Hirose
• MHF III connector from I-PEX
• AMMC connector from Amphenol
SECTION: A-A
SCALE: 1:1
A
1.7
1.7
0.85
2.05±0.10
1.40
A
0.10
0.57
INSULATION RESISTANCE: 500MOHM Min.
DIELECTRIC WITHSTANDING VOLTAGE: 200V AC FOR 1MINUTE;
CONTACT MATERIAL: COPPER ALLOY, GOLD PLATED ALL OVER;
PERFORMANCE:
CONTACT RESISTANCE: 20mOHM Max.
HOUSING MATERIAL: THERMOPLASTIC, WHITE, UL 94V-0;
SHELL MATERIAL: COPPER ALLOY, GOLD PLATED ALL OVER;
CONTACT
GROUND CONTACT
2.00±0.10
Unit: mm
Tolerance: +/-0.1 mm
HOUSING
CONTACT
SHELL
Figure 12: Dimensions of External Antenna Connector
Espressif Systems 28
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ESP32-C3-MINI-1 & MINI-1U Datasheet v1.0