Tianbo Products

Browse our comprehensive range of Tianbo electronic components. As a core distributor, we provide genuine products with technical support and competitive pricing.

Product Categories

Signal Relays

Compact signal relays for telecom, computer peripherals, and low-power applications....

TR5V Series HJR4102 Series

Power Relays

High-current power relays for appliances, HVAC, and industrial applications....

TRA1-4 Series HJR-21FF Series HJQ-15F Series

Automotive Relays

Automotive-grade relays for vehicle electronics and control systems....

HJR-78F Series TRKM Series

High Voltage DC Relays

High-voltage DC relays for solar inverters, EV charging, and energy storage systems....

TRNA-200 Series TRNA-270 Series

Automotive Relays

Automotive-grade relays for vehicle electronics and control systems....

HJR-78F Series TRKM Series

High Voltage DC Relays

High-voltage DC relays for solar inverters, EV charging, and energy storage systems....

TRNA-200 Series TRNA-270 Series

Frequently Asked Questions

What relay categories does Tianbo offer?

Tianbo offers four main relay categories: (1) Signal Relays: Compact relays for low-current signal switching in telecom and computer applications. (2) Power Relays: High-current relays for appliance and industrial power switching. (3) Automotive Relays: AEC-Q200 qualified relays for vehicle electronics. (4) High Voltage DC Relays: High-current relays for solar inverters and EV charging. Each category includes multiple series with various contact arrangements and specifications.

Browse our product categories or contact FAE to find the right relay for your application.

Tianbo relay categories relay types product selection
How do I choose between different Tianbo relay series?

Choosing between Tianbo relay series: (1) Signal Relays: TR5V for telecom, HJR4102 for general purpose. (2) Power Relays: TRA1-4 series for 10-16A applications, HJR-21FF for 12A compact applications, HJR-3FF for subminiature 10A applications. (3) Automotive Relays: HJR-78F for 20A automotive applications. (4) High Voltage DC: TRNA series for 200-270A solar/EV applications. Consider switching capacity, size constraints, and environmental requirements.

Use our selection guide or contact FAE for series comparison and recommendations.

relay series series comparison product selection