Jolly JYT

06/06/2026

What’s the most expensive component mistake you’ve made?

We’ve all been there.

You skip the thermal analysis. You miss the second source. You assume the distributor’s lead time is accurate.

Mine?

Specified a high-precision op-amp for a cost-sensitive design. Worked perfectly in the prototype. Got to production — and the part went on 30-week allocation. Entire production line stopped for 6 weeks.

Cost of the redesign: ~$12,000.
Cost of the wrong op-amp choice: priceless. 😅

What’s yours?

Wrong part specified? Missed the end-of-life notice? Forgot the “not for new design” note?

👇 Share your story — let’s help each other avoid the next expensive mistake.

Need help avoiding allocation surprises on your next BOM?
Visit www.jollybom.com — we help European buyers daily with cross-references, second sources, and fast-quote BOM services.

Jolly : Electronic Components Distributors and Suppliers: We only supply original circuits, integrated circuits( ICs), resistors, batteries, sensors, transistors, Raspberry P*s, and Esp32 pinouts; free samples; fast delivery; extensive stock inventory; please contact us for details, and we will surp...

03/06/2026

📦 Fresh Offer — Premium Analog & Power Components In Stock

Below is our current stock list — all in Hong Kong, ready for fast shipment to Europe.

🔧 Operational Amplifiers & Instrumentation
ADA4807-4ARUZ-R7 | AD8605ARTZ-REEL7 | LT1014DSW | AD8418WBRZ-RL

⚡ Power Management
ADP1755ACPZ-R7 | ADP2164ACPZ-R7 | ADM7171ACPZ-3.0-R7

🔌 Data Converters & Reference
LTC1668IG | AD5593RBCBZ-RL7 | AD780ARZ-REEL7

📡 SerDes — GMSL (Gigabit Multimedia Serial Link)
MAX96724GTN/VY+T | MAX96706GTN/VY+T

🧠 FPGA & Motion Control
LCMXO2-4000HC-4MG132I (Lattice) | TMC2160A-TA-T | TMC5160A-TA-T (TRINAMIC — now Analog Devices)

🔐 Secure EEPROM & 1-Wire
DS28E01P-100+T | DS2431P+T&R (40K+ pcs) | DS3231MZ+TRL (RTC)

🌡️ Supervisor & Hot Swap
ADM1273-1ACPZ-RL | ADM1278-1ACPZ-RL | DAU1701JSTZ-RL

💾 Memory & DRAM
MT47H64M16NF-25E IT:M (Micron DRAM)

📶 Wireless
CYW20706UA2KFFB4GT (Infineon/Cypress BLE SoC)

📋 Full stock list with quantities & pricing — DM me or visit www.jollybom.com

We also welcome BOM inquiries — same-day quotation.

29/05/2026

📈 MLCC Price Surge Hits the Market — Here’s What European Buyers Need to Know

If you’re sourcing MLCCs for 2026 production, you’ve probably seen the news.

What’s happening:

Murata, Samsung Electro-Mechanics, and Taiyo Yuden have raised MLCC prices by 15–35% since March 2026
High-end MLCCs (for AI servers & automotive): +30%
Mid-to-low end: +20%
Murata’s customer inquiries = 2× their current capacity
Lead times for high-cap, high-voltage MLCCs are extending
Why now?
AI servers. NVIDIA’s next-gen Rubin rack uses 600,000+ MLCCs — a 30% increase over the previous GB300 platform. MLCC content value per server jumped from $1,530 to $4,320 (+182%).

What this means for European buyers:
✅ Lock in pricing NOW before more manufacturers adjust
✅ Secure allocation for Q3–Q4 2026
✅ Consider second-source options (TDK, Samsung, local EU stock) to de-risk supply

At Jolly Electronic Technology (Hong Kong), we stock a wide range of MLCCs — ready to ship to Europe.

📦 Sample stock (25,00000+ pcs each):

TDK: C2012X5R1V226MT000E, C3216X5R1V226MTJ00E
Murata: GRM series, GCM series (automotive-grade)
Samsung: CL series, high-cap & high-voltage
Sizes: 0201 / 0402 / 0603 / 0805 / 1206 / 1210
Dielectrics: X5R / X6S / X7R / X7S
Capacitance: 0.1µF ~ 47µF
📋 Full stock list + pricing — DM me or visit www.jollybom.com

Same-day quote. Fast shipping from Hong Kong.

Proactive sourcing beats reactive crisis management. Let’s get ahead of the next price adjustment together. 🚀

Jolly : Electronic Components Distributors and Suppliers: We only supply original circuits, integrated circuits( ICs), resistors, batteries, sensors, transistors, Raspberry P*s, and Esp32 pinouts; free samples; fast delivery; extensive stock inventory; please contact us for details, and we will surp...

25/05/2026

🔌 Connector Selection Guide: 6 Specs Engineers Overlook (And Regret Later)

Connectors seem simple — pick a pitch, check the pin count, done.

Until your product fails vibration testing. Or the contact resistance drifts after 6 months. Or you realize the mating connector is on 40-week lead time.

Here are 6 specs worth checking before you lock in your connector choice:

1. Contact resistance vs. number of mating cycles
That “5mΩ” spec is for a brand-new connector. After 500 mating cycles? It could double. If your application involves frequent connects/disconnects, check the durability curve.

2. Current rating derating at altitude
A connector rated for 5A at sea level may only handle 3.5A at 3,000m. Critical for aviation, telecom towers, and high-altitude installations.

3. Mating cycle rating
Board-to-board: typically 30–50 cycles. FPC/FFC: 10–30 cycles. Industrial circular: 500–5,000 cycles. If you’re designing a test fixture, this matters.

4. Creepage and clearance
For medical or industrial (IEC 61010), creepage and clearance distances determine if your connector passes isolation requirements. Don’t assume all connectors with the same pitch have the same creepage.

5. Operating temperature range
Automotive-grade connectors typically handle -40°C to +125°C or +150°C. Consumer-grade may stop at +85°C. Check the actual spec — “automotive” on the datasheet cover doesn’t always mean AEC-Q200 qualified.

6. Second source and cross-reference
Some connector families have drop-in alternatives (JST → Molex → Hirose). Others don’t. If your connector goes on allocation, having a cross-reference can save your production line.

What connector spec has surprised you in production? 👇

📦 Need help sourcing connectors or finding alternatives? Visit www.jollybom.com

Jolly : Electronic Components Distributors and Suppliers: We only supply original circuits, integrated circuits( ICs), resistors, batteries, sensors, transistors, Raspberry P*s, and Esp32 pinouts; free samples; fast delivery; extensive stock inventory; please contact us for details, and we will surp...

22/05/2026

🔧 Why Engineers Trust LEM — The Gold Standard in Current & Voltage Sensing

Founded in 1972 in Switzerland, LEM invented the Hall-effect current sensor. Today, they’re the go-to choice for solar inverters, EV chargers, industrial automation, and railway systems worldwide.

At Jolly Electronic Technology, we stock a wide range of LEM sensors — ready to ship from Hong Kong to Europe.

📦 Voltage Sensors
LV25-P | LV100 Series (750V–4000V) | LV200-AW/2 Series | AV100 Series (750V–2000V)

⚡ Current Sensors — LA Series
LA28-NP | LA55-P | LA100-P | LA125-P | LA200-P

⚡ Current Sensors — LT Series
LT108-S7 | LT208-S7 | LT308-S7 | LT508-S6 | LT1005-S | LT2005-S

⚡ Current Sensors — LF Series (High Current)
LF1005-S | LF2005-S

⚡ HAL / HAS / LTS Series
HAL500-S | HAL1000-S | HAS50-S ~ HAS600-S | LTS6-NP | LTS15-NP

🆕 New: GXM-AN
Integrated current sensor — 5660Vrms isolation, -40°C to 150°C, automotive-grade. Perfect for solar MPPT and EV OBC.

✅ Full certifications: UL, CE, RoHS, REACH — European compliance guaranteed.

📋 Full stock list with quantities available — DM me or visit www.jollybom.com

🚀 Same-day quote. Fast shipping from Hong Kong.

21/05/2026

offer：
LMK063BJ104KP-F 25+
JMK063BJ224KP-F 26+
EDK063BBJ105MPLF 26+
LDK063BBJ225MP-F 26+
JDK063BBJ475MV-AT 25+
LMK105BJ105KV-F 26+
EMK105BJ105KV-F 26+
TMK105CBJ225KV-F 26+
EMK105C6105KV-F 25+ X6S
TMK105AC6105KV-F 25+ X6S
EMK105CC6225KV-F 25+
JMK105CBJ106MV-F 25+
LDK105CBJ106MVLF 26+
UMK107B7474KA-TR 25+
EMK107BJ105KA-T 26+
TMK107BJ105KA-T 25+
MSASE168SB7105KTNA01 26+
MSAST168SB7105KTNA01 26+
MSASU168SB5105KTNA01 26+
LMK107BJ225KA-T 25+
MSASE168SB5225KTNA01 26+
MSASU168BB5225KTNA01 26+
GDK107BBJ475KA-T 25+
GMK107BBJ475KA-T 26+
TMK107BB106MA-T 25+
GDK107BBJ106MA-T 24+
ADK107BBJ476MA-R 26+
JDK107BBJ476MA-RE 26+
UMK212BB7225KG-T 26+
UMK212B7105KG-T 26+
EMK212BB7106KG-T 26+
LMK316AB7226KL-TR 26+
TMK316AB7106KL-T 26+
MSASH32NSB7105KTNA01 25+
MSASU32MSB7475KPNA01 26+
TMK325BJ106KN-T 26+
GMK325BJ106KN-T 26+
UMK325BJ106KM-P 26+
MSASE32MSB5476MTNA01 26+
LMK325B7476KM-PR 26+
UMK105B7104KVHF 26+
UMK107B7104KAHT 26+
TMK107AB105KAHT 26+
EMK107BBJ475KAHT 2511+
JMK107BD7106MAHTE 26+
UMK212B7104KGHT 26+
UMK212B7105KGHT 26+
EMK212B7225KGHT 26+
TMK212B7225KGHT 26+
TMK212BBJ106KGHT 26+
UMK325B7475KMHP 26+
UMK325AB7106KMHP 26+
TMK325B7226KMHP 26+
PMK316BBJ227ML-T 2511+
LMK325ABJ107MM-T 26+
LMK325ABJ107MM-P 26+
EMK325ABJ107MM-P 26+
AMK432BJ477MM-T 26+
MBKK1608T1R0M 25+
MBKK1608T2R2M 25+
MBKK1608T4R7M 25+
MBKK1608T1R0M 25+
MBKK1608T2R2M 25+
MBKK1608T4R7M 25+
LBMF1608T100K 25+
CBMF1608T100K 25+
MAMK2520T2R2M 25+
MAMK2520T4R7M 26+
C2012X5R1V226MT000E TDK 26+
C3216X5R1V226MTJ00E TDK 26+

21/05/2026

⚡ IN STOCK: MLCCs & Inductors — Fast Shipping from Hong Kong

Large stock of MLCCs and inductors ready to ship from Hong Kong.

📦 MLCCs (Multi-Layer Ceramic Capacitors)
• Sizes: 0201 / 0402 / 0603 / 0805 / 1206 / 1210
• Capacities: 0.1µF ~ 47µF
• Voltages: 6.3V / 10V / 16V / 25V / 50V / 100V
• Dielectrics: X5R / X6S / X7R / X7S
• Brands: TDK · muRata · Samsung

📦 Inductors
• Sizes: 0603 / 0805
• Values: 1µH / 2.2µH / 4.7µH / 10µH
• High current rated options available

📊 Sample Stock (25,000+ pcs each):
LMK063BJ104KP-F | JMK063BJ224KP-F | UMK212B7105KGHT | MBKK1608T2R2M

Full stock list with exact quantities — DM for complete availability and pricing.

🚀 Same-day quote. Fast shipping from Hong Kong.

📦 Need help with your MLCC or inductor sourcing? Visit www.jollybom.com

Jolly : Electronic Components Distributors and Suppliers: We only supply original circuits, integrated circuits( ICs), resistors, batteries, sensors, transistors, Raspberry P*s, and Esp32 pinouts; free samples; fast delivery; extensive stock inventory; please contact us for details, and we will surp...

19/05/2026

🔥 Why Your 1W Regulator Overheats (It’s Not Just Power Rating)

The datasheet says your regulator can handle 1W. Your design uses 0.8W. It should be fine, right?

Not always.

The problem: Power rating ≠ thermal reality

The power rating in the datasheet assumes perfect heat dissipation. In the real world, your PCB, ambient temperature, and enclosure all matter.

Key concept: Thermal resistance (θJA)
θJA = thermal resistance from junction to ambient. It tells you how much the die temperature rises per watt of power.

Example:

Regulator dissipating 0.8W
θJA = 80°C/W (typical for SOT-223 on a small pad)
Ambient = 25°C
Junction temp = 25 + (0.8 × 80) = 89°C
That’s already hot — and you haven’t even considered the enclosure yet.

3 things you can do:
1️⃣ Increase copper area — More copper = better heat spreading. A larger pad can reduce θJA significantly.

2️⃣ Add thermal vias — Connect the thermal pad to internal ground planes for better dissipation.

3️⃣ Consider a different package — DPAK, D2PAK, or even a heatsink if your power is significant.

Rule of thumb:
If Tj is within 20°C of the max rating → redesign needed.

Have you ever had a part overheat unexpectedly in production? 👇

📦 Need thermal guidance or component alternatives? www.jollybom.com

Jolly : Electronic Components Distributors and Suppliers: We only supply original circuits, integrated circuits( ICs), resistors, batteries, sensors, transistors, Raspberry P*s, and Esp32 pinouts; free samples; fast delivery; extensive stock inventory; please contact us for details, and we will surp...

19/05/2026

⚡ LDO vs Buck: Choosing the Right Regulator for Your Design

One of the first power design decisions — and it’s also one of the most commonly debated.

When to reach for an LDO:
✅ Low current (< 500mA)
✅ Noise-sensitive circuits — RF, audio, precision ADC reference
✅ Small voltage drop (Vin - Vout < 1.5V)
✅ Simple layout, minimal external components

When to use a Buck converter:
✅ High current needs (> 1A)
✅ Large voltage difference between input and output
✅ Efficiency matters — Bucks run 85-95% efficient; LDOs drop to 60-80% with high Vdrop
✅ Thermal management is a concern

The real trade-off:
LDOs are clean but wasteful when Vdrop is large. Bucks are efficient but noisier.

Quick rule of thumb:
If (Vin - Vout) × Iout > 0.5W → seriously consider a Buck.

What’s your default choice for low-power designs? LDO or Buck? 👇

📦 Need a second opinion on power components for your project? www.jollybom.com

Jolly : Electronic Components Distributors and Suppliers: We only supply original circuits, integrated circuits( ICs), resistors, batteries, sensors, transistors, Raspberry P*s, and Esp32 pinouts; free samples; fast delivery; extensive stock inventory; please contact us for details, and we will surp...