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TEC / Peltier Controller Selection Guide — Compare by Voltage, Current, Efficiency, Price & Stock

Compare Analog Technologies' complete TEC / Peltier temperature-controller lineup — 22 controllers plus three evaluation boards — side by side. Output current spans 2.5 A to 20 A, output voltage ±5 V to ±47.5 V, and efficiency 90% to >98%, in analog (manually-tuned) and embedded auto-PID architectures. Filter by family, click a spec header to sort, then jump straight to a datasheet, price or product page. These controllers pair with our TEC modules, NTC thermistors and thermally conductive epoxy to build a complete temperature-control system.

How to read this table: V_VPS is the DC supply range; V_TEC is the maximum voltage the controller applies across the TEC (choose V_TEC ≥ your TEC's rated voltage); I_TEC is the maximum output current. Rule of thumb: supply ≥ required TEC voltage + ~1 V headroom. Prices are single-unit list prices; volume pricing on each product page. Click the Price, Stock, Max I_TEC, Max V_TEC or Supply header to sort.

All (22) Micro SMT DIP Analog Standalone Shielded High-Power Auto-PID Digital Chamber

Part Number	Supply V_VPS	Max V_TEC	Max I_TEC	Eff.	Stability	Size (mm)	Pkg	Eval Board	Price	Stock	Buy
TEC14M5V3R5ASMicro SMT	5V	0–5V	3.5A	90%	0.001°C	14×14×2.2	SMT	TEC14MEV1.0	$52	37
TECA1-xV-xV-DDIP Analog	3.3 / 5V	0–V_PS	2.5A	90%	±0.1°C	25.4×17.78×4.5	DIP	TECEV104	$79	In stock
TECA1LD-xV-xV-DDIP Analog	3.3 / 5V	0–V_PS	2.5A	90%	±0.1°C	25.4×17.78×4.5	DIP	TECEV104	$79	In stock
TECA1-xV-xV-DAHDIP Analog	3.3/5V	0–V_PS	2.5A	≥90%	0.004°C	25.4×17.78×4.5	DIP	TECEV104	$89	32
TECA1LD-xV-xV-DAHDIP Analog	3.3/5V	0–V_PS	2.5A	≥90%	0.004°C	25.4×17.78×4.5	DIP	TECEV104	$89	18
TEC5V4A-DStandalone Shielded	5V	0–V_PS−0.2V	4A	90%	≤5mV	25.4×19.9×8.8	DIP	TECEV104	$89	199
TEC5V4A-DAStandalone Shielded	5V	0–V_PS−0.2V	4A	90%	≤2mV	25.4×19.9×8.8	DIP	TECEV104	$89	25
TEC5V4A-DAHStandalone Shielded	5V	0–V_PS−0.2V	4A	90%	0.01°C	25.4×19.9×8.8	DIP	TECEV104	$89	12
TEC5V6A-DStandalone Shielded	5V	0–V_PS	6A	90%	≤5mV	25.4×19.9×8.8	DIP/SMT	TECEV104	$89	150
TEC5V6A-DAStandalone Shielded	5V	0–V_PS	6A	90%	≤2mV	25.4×19.9×8.8	DIP/SMT	TECEV104	$89	7
TEC5V6A-DAHStandalone Shielded	5V	0–V_PS	6A	90%	0.01°C	25.4×19.9×8.8	DIP/SMT	TECEV104	$89	4
TEC48V10AHigh-Power Auto-PID	5.5–48V	0 to ±47.5V	±10A	>92%	±0.001°C	36×36×8.2	DIP/SMT	TEC24V15AEV2.2	Coming Soon	—	—
TEC28V15AHigh-Power Auto-PID	5.5–25V	±20V	15A	>92%	±0.001°C	35.96×35.96×8.2	DIP/SMT	TEC24V15AEV2.2	Coming Soon	—	—
TEC24V10AHigh-Power Auto-PID	5.5–24V	0 to ±23.5V	±10A	>92%	±0.001°C	36×36×8.2	DIP/SMT	TEC24V15AEV2.2	Coming Soon	—	—
TEC18V15AHigh-Power Auto-PID	5.5–18V	±14.5V	15A	>92%	±0.001°C	35.7×35.7×7.2	DIP/SMT	TEC24V15AEV2.2	$199	In stock
TEC12V9AHigh-Power Auto-PID	5.5–12V	±9.6V	9A	>92%	±0.001°C	35.96×35.96×8.2	DIP/SMT	TEC24V15AEV2.2	$189	In stock
TEC9V7AHigh-Power Auto-PID	5.5–9V	±7.2V	7A	>92%	±0.001°C	35.96×35.96×8.2	DIP/SMT	TEC24V15AEV2.2	$179	In stock
ATFC106DDigital Chamber	AC mains	12V	20A	>98%	Chamber LCD	152.6×76×20.4	Panel	—	$175	1

Bench SetupEvaluation Boards

Part Number	Evaluates	Price	Stock
TECEV104	TECA1 / TEC5V4A / TEC5V6A analog DIP series	$25	17
TEC14MEV1.0	Micro TEC14M5V3R5AS (140×130 mm board)	$59	1
TEC24V15AEV2.2	Universal board — TEC28V15A / TEC24V10A / TEC18V15A / TEC12V9A / TEC9V7A	$25	In stock

Engineering FAQTEC Controller Selection — Frequently Asked Questions

How do I choose the right TEC controller?

Start with three numbers from your TEC module: rated current, rated voltage, and required temperature stability. Pick a controller whose maximum I_TEC and V_TEC both meet or exceed those ratings, confirm your supply exceeds V_TEC by ~1 V of headroom, choose the package for your board, and decide between manually-tuned analog control and self-tuning auto-PID.

What's the difference between analog and auto-PID controllers?

Analog controllers (TECA1, TEC5V4A, TEC5V6A, TEC14M) use a compensation network you tune on the evaluation board to match your load. The high-power family (TEC48V10A through TEC9V7A) ships with embedded auto-PID firmware that self-tunes against the load, with the option to fall back to analog compensation.

What supply voltage does my TEC need?

The controller can only apply up to its rated V_TEC, and needs the supply above that. Set V_VPS ≥ (required TEC voltage) + ~1 V headroom; if your operating point is near a class ceiling, step up to the next voltage class.

Do I need a heat sink on the controller?

The hot side of the TEC must reject both the pumped heat and the controller's input power: Q_h = Q_c + P_in. Most DIP/SMT high-power units run without a heat sink below about 8 A; above that, add a heat sink sized for the total Q_h.

Where should I mount the temperature sensor?

Place the NTC thermistor on the cold plate within about 5 mm of the load — not on the TEC ceramic. Sensing the ceramic reads the pump surface rather than the object and destabilizes the loop.

DIP or SMT — which package?

For highest reliability and the best heat-sinking path, choose DIP where board space allows — the package makes direct contact with a metal case. Pick SMT for high-density boards; the Micro TEC14M5V3R5AS is SMT-only with a bottom thermal pad.

Which evaluation board do I need?

TECEV104 for the analog DIP series (TECA1 / TEC5V4A / TEC5V6A), TEC14MEV1.0 for the Micro TEC14M, and the universal TEC24V15AEV2.2 for the high-power auto-PID family — it replaces the legacy TEC28V15AEV1 / EV2 and TECEV103.

Are these RoHS and REACH compliant?

Yes — all ATI TEC controllers are 100% lead-free, RoHS-compliant and REACH-compliant. RoHS and REACH certificates are available.

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