TNY253 Power Integrations Power Management (PMIC) parts available at DigiKey.
#fepart 10PCS/LOT TNY253PN DIP-7 TNY253P DIP7 Power ... - Amazon
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$12.99
Applications: Suitable for electronic equipment, IC Component,machinery, instruments, lighting, home appliances. NOTE - Package included: 1 Set ONLY.
The SPP-3001 is a 2.0W max transformer for TNY253 applications. The AC to DC converter is designed specifically for use with a TNY253 IC chip.