BZD17C27P RUG Equivalent & Substitute Parts

Part Overview

The BZD17C27P RUG is a 27 V Zener diode rated for 800 mW power dissipation, manufactured by Taiwan Semiconductor Corporation. This surface mount component operates across the temperature range of -55°C to 175°C and is packaged in the DO-219AB (Sub SMA) form factor. The device is Active in product status and RoHS3 compliant.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across critical parameters including nominal Zener voltage, maximum power rating, impedance characteristics, and package specifications. Substitution becomes necessary when the primary part experiences supply constraints, extended lead times, or when alternative qualified sources are required for production continuity.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	27	V
Power - Max	800	mW
Impedance (Max)	15	Ohms
Current - Reverse Leakage @ Vr	1	µA @ 20 V
Voltage - Forward (Vf) (Max) @ If	1.2	V @ 200 mA
Operating Temperature Range	-55 to 175	°C
Package / Case	DO-219AB	-
Mounting Type	Surface Mount	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the BZD17C27P RUG are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Nominal Zener voltage: 27 V
Maximum power dissipation: 800 mW
Maximum impedance: 15 Ohms
Reverse leakage current: 1 µA @ 20 V
Forward voltage: 1.2 V @ 200 mA
Package type: DO-219AB surface mount
RoHS3 compliance status

The substitute parts BZD27C27P-E3-08 and BZD27C27P-HE3-08, both manufactured by Vishay General Semiconductor - Diodes Division, meet all specified electrical parameters and package requirements. Both substitutes maintain identical Zener voltage, power rating, impedance, leakage current, and forward voltage characteristics. The operating temperature range of the Vishay parts extends to -65°C, providing enhanced low-temperature performance compared to the primary part.

Parameter Comparison

Parameter	BZD17C27P RUG (Primary)	BZD27C27P-E3-08 (Substitute)	BZD27C27P-HE3-08 (Substitute)
Manufacturer	Taiwan Semiconductor Corporation	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Voltage - Zener (Nom)	27 V	27 V	27 V
Power - Max	800 mW	800 mW	800 mW
Impedance (Max)	15 Ohms	15 Ohms	15 Ohms
Current - Reverse Leakage @ Vr	1 µA @ 20 V	1 µA @ 20 V	1 µA @ 20 V
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 200 mA	1.2 V @ 200 mA	1.2 V @ 200 mA
Operating Temperature Range	-55°C to 175°C	-65°C to 175°C	-65°C to 175°C
Package / Case	DO-219AB	DO-219AB	DO-219AB
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active

Engineering Selection Recommendations

Both substitute parts are qualified for direct replacement of the BZD17C27P RUG based on electrical parameter equivalence and mechanical compatibility.

BZD27C27P-E3-08 is suitable for general industrial applications requiring standard performance characteristics. This part maintains all electrical specifications and is packaged in Tape & Reel format with 3200 units available in inventory.

BZD27C27P-HE3-08 is qualified for automotive applications, carrying AEC-Q101 certification and Automotive grade designation. This variant is recommended for designs requiring automotive-grade reliability and qualification. Inventory availability is 12100 units in Tape & Reel packaging.

Both substitutes provide extended low-temperature operation to -65°C, which exceeds the primary part specification of -55°C. All three parts maintain identical RoHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity level (MSL 1), ensuring compatibility with standard surface mount assembly processes.

Frequently Asked Questions (FAQ)

Q: Can BZD27C27P-E3-08 or BZD27C27P-HE3-08 be used as direct replacements for BZD17C27P RUG?

A: Yes. Both substitute parts maintain identical electrical parameters including 27 V nominal Zener voltage, 800 mW power rating, 15 Ohms maximum impedance, and 1 µA reverse leakage current. Package type (DO-219AB) and mounting method (surface mount) are identical, enabling direct substitution in PCB designs.

Q: What is the difference between BZD27C27P-E3-08 and BZD27C27P-HE3-08?

A: The primary difference is qualification level. BZD27C27P-HE3-08 carries AEC-Q101 automotive qualification and Automotive grade designation, making it suitable for automotive applications. BZD27C27P-E3-08 is a standard industrial-grade variant. Both parts are electrically and mechanically identical.

Q: Are there any temperature range differences between the primary part and substitutes?

A: The primary part BZD17C27P RUG operates from -55°C to 175°C. Both substitute parts extend the minimum operating temperature to -65°C, providing enhanced low-temperature performance. The maximum temperature remains 175°C across all three parts.

Q: Do the substitute parts require different PCB layout or assembly procedures?

A: No. Both substitute parts use the identical DO-219AB package and surface mount configuration. PCB footprints, reflow profiles, and assembly procedures remain unchanged.

Q: Are all three parts RoHS3 compliant?

A: Yes. The primary part BZD17C27P RUG and both substitute parts BZD27C27P-E3-08 and BZD27C27P-HE3-08 are RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Q: Which substitute part should be selected for automotive applications?

A: BZD27C27P-HE3-08 is the appropriate selection for automotive applications due to its AEC-Q101 qualification and Automotive grade designation. This part meets automotive reliability and qualification requirements.

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