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STR-A6069MZ
Sanken Electric USA Inc.
AC/DC CONVERTER IC (INTEGRATED M
3363 Pcs New Original In Stock
Converter Offline Flyback Topology 67kHz 8-DIP
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5.0 / 5.0
- (65 Ratings)
STR-A6069MZ
Product Overview
10527293
DiGi Electronics Part Number
STR-A6069MZ-DGManufacturer
Sanken Electric USA Inc.
STR-A6069MZ
Description
AC/DC CONVERTER IC (INTEGRATED MInventory
3363 Pcs New Original In Stock
Converter Offline Flyback Topology 67kHz 8-DIP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
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STR-A6069MZ Technical Specifications
Category
Power Management (PMIC), AC DC Converters, Offline Switches
Packaging
Tube
Series
-
Product Status
Active
Output Isolation
Isolated
Internal Switch(s)
Yes
Voltage - Breakdown
700V
Topology
Flyback
Voltage - Start Up
47 V
Voltage - Supply (Vcc/Vdd)
8.5V ~ 32V
Duty Cycle
75%
Frequency - Switching
67kHz
Power (Watts)
26 W
Fault Protection
Current Limiting, Over Load, Over Temperature, Over Voltage
Control Features
Soft Start
Operating Temperature
-40°C ~ 125°C (TA)
Package / Case
8-DIP (0.300", 7.62mm), 7 Leads
Supplier Device Package
8-DIP
Mounting Type
Through Hole
Base Product Number
STR-A6069
Datasheet & Documents
HTML Datasheet
STR-A6069MZ-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
1261-STR-A6069MZ
Standard Package
50
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
웹사이트에서 주문 상태와 배송 상황을 실시간으로 확인할 수 있어서 매우 편리했습니다.
Dec 02, 2025
After-sales support from DiGi Electronics is top-notch; they truly care about their customers.
Dec 02, 2025
I appreciate their transparent pricing and high-quality standards.
Dec 02, 2025
DiGi Electronics truly cares about their customers' satisfaction.
Dec 02, 2025
Customer support is available via multiple channels, including email and phone.
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Frequently Asked Questions (FAQ)
Can the STR-A6069MZ be used in a universal input design (85VAC – 265VAC) given its 700V breakdown rating, and what derating margin should I apply for long-term reliability?
Yes, the STR-A6069MZ can be used in universal input offline flyback designs, as its 700V breakdown voltage provides sufficient margin when designed with proper derating. Under worst-case conditions (265VAC input), the reflected voltage spike on the primary side can approach 600–650V depending on snubber design and transformer leakage inductance. To ensure long-term reliability, limit the maximum drain voltage to 620V (88% of breakdown), especially in high-temperature environments or applications with poor ventilation. Implement a robust RCD snubber circuit and keep PCB creepage/clearance ≥ 6mm to prevent arcing. The STR-A6069MZ’s integrated 700V MOSFET simplifies high-voltage design while maintaining reliability when these voltage margins are observed.
What are the risks of replacing a STR-A6070MZ with the STR-A6069MZ in an existing power supply design, and are they pin-compatible?
Replacing the STR-A6070MZ with the STR-A6069MZ requires caution—although both are 8-DIP isolated flyback controllers from Sanken, they differ in switching frequency (67kHz vs. 100kHz) and protection thresholds, which can impact transformer design and EMI performance. The STR-A6069MZ operates at a fixed 67kHz, resulting in larger magnetics but lower EMI compared to the STR-A6070MZ’s higher frequency. Additionally, current limit and soft-start characteristics may vary. While pin-compatible and both use 7-lead 8-DIP packages, the control loop response and fault protection behavior are not identical. Always re-validate thermal performance, startup behavior, and load transient response when swapping between these two parts, especially in tightly regulated designs.
How does the STR-A6069MZ handle startup under low line voltage conditions, and what design considerations prevent startup failure at 85VAC?
The STR-A6069MZ starts up at 47V Vcc but requires sufficient HV bus voltage to charge the VCC capacitor via internal high-voltage current source. At 85VAC (120VDC peak), startup is generally reliable, but brown-out conditions or high startup loads on the bias rail can delay or prevent turn-on. To ensure reliable startup, minimize VCC capacitor value to the lowest needed for stable operation (typically 10–22µF), ensure the auxiliary winding provides adequate voltage gain after startup, and avoid excessive bias winding loads before regulation begins. Use a capacitor with low ESR and verify that the auxiliary winding delivers ≥12V under all load conditions to sustain the 8.5–32V supply range after startup.
Is the STR-A6069MZ suitable for continuous overload protection in medical or industrial applications, and how does its fault recovery behavior work?
The STR-A6069MZ includes latch-type over load, over voltage, and over temperature protections that shut down the controller under fault conditions. However, it does not auto-retry; instead, it requires power cycling the VCC supply to reset the protection latch. For medical or industrial applications requiring fail-safe operation, this means the system must incorporate external circuitry (e.g., a supervisor IC with manual reset) or rely on input power interruption to recover. Continuous overload events without reset will leave the output dead. Designers should implement input fusing or latch-release circuits if automatic or controlled recovery is needed. Use thermal management practices to avoid triggering OT protection in enclosed or high-ambient environments.
What are the trade-offs when using the STR-A6069MZ in a 26W flyback design compared to modern quasi-resonant (QR) controllers like the LNK605EG, and when should I choose one over the other?
Compared to modern quasi-resonant controllers like the LNK605EG, the STR-A6069MZ offers a fixed-frequency 67kHz flyback design with through-hole mounting and higher breakdown voltage (700V), making it ideal for rugged, cost-sensitive industrial designs with simpler EMI filtering. However, it lacks the high efficiency at light loads and frequency jittering of QR controllers like the LNK605EG, which excel in no-load power consumption and conducted noise. The STR-A6069MZ’s 26W capability suits legacy or high-reliability systems where repairability (via through-hole mounting) and component availability matter. Choose the STR-A6069MZ for designs needing robustness, repairability, and predictable EMI profiles; opt for QR controllers when efficiency, energy standards (e.g., CoC Tier 2), or compact SMD layouts are key.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
STR-A6069MZ CAD Models
Sanken Electric USA Inc. STR-A6069MZ PCB symbols & footprints
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