Specification: 

• Model: TQ-77
• Voltage: 110-130V, 220-240V AC 50/60Hz
• Power Consumption: High 150W / Low 15W (110-130V model), High 200W / Low 20W (220-240V model)
• Insulation Resistance: Over 100MΩ (500V DC)
• Heater: Ceramic Heater
• Power Cord Length: 1.5m
• Length: 167mm
• Weight: 190g
• Accessories: Soldering Iron Tip (TQ-77RT-B)
• *The length does not include the cord bushing. The weight include the cord.
• NOTE: High power runs while trigger/quick button is pressed.

Features: 

• The Goot TQ-77 Quick-Heat Soldering Iron is a professional-grade tool engineered for speed, precision, and reliability. Designed with a two-stage ceramic heater system, this soldering iron lets you switch instantly between High (150W/200W) and Low (15W/20W) power levels — giving you quick heating when needed and energy savings during standby.
• Built with Japan’s precision craftsmanship, the TQ-77 delivers stable heat, long lifespan, and superior insulation performance (>100 MΩ at 500 V DC). Whether you’re working on circuit boards, electrical repairs, or component soldering, this iron provides perfect control and consistent results.
• It comes with the TQ-77RT-B tip, and supports multiple replacement tips like TQ-77RT-SB, BC, 2C, and 3C — ensuring you always have the right shape for your soldering needs. Lightweight and easy to handle, it’s ideal for professionals, technicians, and hobbyists who demand quality and speed.
• Two-Stage Heat Switch System: Switches between High and Low modes depending on demand. High runs only while the trigger/button is pressed for fast heating.
  
• High / Low Power Modes: For 110-130 V version: High = 150 W, Low = 15 W, For 220-240 V version: High = 200 W, Low = 20 W
  
• Ceramic Heater: Offers fast thermal response, stability, and longevity.
  
• Compact & Lightweight Design: Length: 167 mm (for TQ-77 model), Weight: circa 90 g (excluding cord)
  
• Standard Tip & Replaceability: Comes with tip TQ-77RT-B, and supports replacement tips (e.g. TQ-77RT-SB, TQ-77RT-BC, TQ-77RT-2C, TQ-77RT-3C)
• Accessories & Spare Parts Available: Includes heat-resistant cap (TQ-CAP), spacers, collars, heater barrel, etc.
• Safety & Insulation: Insulation resistance over 100 MΩ (at 500 V DC)
• The TQ-77 is a quick-heat soldering iron engineered by goot / Taiyo Electric to deliver rapid thermal performance for both heavy and delicate soldering tasks. Its two-stage heat switch system allows the iron to operate at high power when needed, and drops to low standby power when idle — saving both energy and tip life.
• It is part of goot’s series of ceramic heater soldering irons, offering stable temperature control and dependable heater response

Usage & Application

• The TQ-77 is well suited for:
• General electronics soldering tasks
  
• Situations requiring quick heat up for heavier joints
  
• Occasional low power usage to prolong tip life
  
• Field or workshop work where rapid heating is advantageous
  
• When the high power trigger is held, the unit switches to full heat; releasing the trigger returns it to low standby.

Tips & Maintenance

• Use appropriate replacement tips matching the task (fine tips for fine work, chisel tips for heavier soldering).
  
• Always cap or shield the tip when idle using the TQ-CAP accessory.
  
• Clean the tip using a damp sponge or brass wool to maintain heat transfer.
  
• Replace worn heater, barrel, or contacts using official parts (e.g. TQ-77H heater, TQ-77HP barrel)

What is the price of Goot TQ-77 Quick-Heat Soldering Iron Two-Stage High Power Ceramic Heater in Bangladesh?

The latest price of TQ-77 Gooet Quick Heating Soldering Iron 20 to 200watt in Bangladesh is Price: ৳3,010.00 taka for 1Pcs of this product. You can buy this product at better and cheaper price from our website and also you can visit our warehouse between work hours 10am to 8pm.

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In Bangladesh, you can get original TQ-77 Gooet Quick Heating Soldering Iron 20 to 200watt From Dunia.com.bd . We have few collection of latest সোল্ডারিং আয়রন to purchase. Order সোল্ডারিং টুলস ও সরঞ্জাম Online at our website Or Visit our warehouse to get your product at lowest price.

FAQ

1. What is the main advantage of the Goot TQ-77 soldering iron?
It offers instant heating with a dual-power ceramic heater, allowing quick temperature rise and energy-saving standby mode.

2. How do I switch between High and Low power?
The iron automatically switches to High power when the button is pressed and returns to Low mode when released.

3. What’s the difference between the 110–130 V and 220–240 V models?
Only the power rating changes — 150 W/15 W for 110–130 V, and 200 W/20 W for 220–240 V regions.

4. Is the heater replaceable?
Yes, the TQ-77H ceramic heater can be replaced easily when worn out.

5. Can I use different tip shapes with this model?
Yes. It supports TQ-77RT-SB, BC, 2C, and 3C tip variants for different soldering tasks.

6. Is this suitable for lead-free soldering?
Yes, the ceramic heater provides enough heat capacity for lead-free solder joints.

7. How fast does it heat up?
It reaches working temperature within seconds when switched to High mode.

8. What kind of maintenance does it require?
Keep the tip clean with a sponge or brass wire, and replace tips when oxidized.

9. Does it have ESD protection?
It offers good insulation but isn’t certified ESD-safe; use ESD-safe models if handling sensitive ICs.

10. Can it be used for home DIY electronics?
Absolutely — it’s perfect for DIY, repair work, and professional electronics applications.